octave: libinterp/corefcn/ft-text-renderer.cc annotate

annotate libinterp/corefcn/ft-text-renderer.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	796f54d4ddbf
children	aac27ad79be6

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30390 diff changeset	3 // Copyright (C) 2009-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21568 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21209 diff changeset	27 # include "config.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	28 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	29
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	30 #include "base-text-renderer.h"
23462 314d980bee93 maint: Add '#include "XXX.h"' to XXX.cc files. Rik <rik@octave.org> parents: 23457 diff changeset	31 #include "ft-text-renderer.h"
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	32
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	33 #if defined (HAVE_FREETYPE)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	34
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	35 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
24444 53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	36 # pragma GCC diagnostic push
53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	37 # pragma GCC diagnostic ignored "-Wold-style-cast"
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	38 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	39
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	40 #include <ft2build.h>
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	41 #include FT_FREETYPE_H
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	42 #include FT_GLYPH_H
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	43
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	44 #if defined (HAVE_FONTCONFIG)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21102 diff changeset	45 # include <fontconfig/fontconfig.h>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	47
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	48 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
24444 53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	49 # pragma GCC diagnostic pop
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	50 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	51
17352 4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	52 #include <clocale>
4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	53 #include <cwchar>
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	54 #include <map>
ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	55 #include <utility>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	56
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	57 #include "singleton-cleanup.h"
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	58 #include "unistr-wrappers.h"
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	59
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	60 #include "defaults.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	61 #include "error.h"
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	62 #include "file-ops.h"
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	63 #include "oct-env.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	64 #include "pr-output.h"
29489 ee66869c30d6 Fix loading fonts from path with non-ASCII characters on Windows. Markus Mützel <markus.muetzel@gmx.de> parents: 29470 diff changeset	65 #include "sysdep.h"
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	66 #include "text-renderer.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	67
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	68 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	69
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	70 // FIXME: maybe issue at most one warning per glyph/font/size/weight
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	71 // combination.
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	72
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	73 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	74 warn_missing_glyph (FT_ULong c)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	75 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	76 warning_with_id ("Octave:missing-glyph",
26152 b68c41cb0f99 Silence compiler warning about incorrect format specifier (bug #55046). Markus Mützel <markus.muetzel@gmx.de> parents: 25460 diff changeset	77 "text_renderer: skipping missing glyph for character '%lx'", c);
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	78 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	79
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	80 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 warn_glyph_render (FT_ULong c)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	82 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	83 warning_with_id ("Octave:glyph-render",
26152 b68c41cb0f99 Silence compiler warning about incorrect format specifier (bug #55046). Markus Mützel <markus.muetzel@gmx.de> parents: 25460 diff changeset	84 "text_renderer: unable to render glyph for character '%lx'", c);
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	85 }
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	86
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	87 #if defined (_MSC_VER)
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	88 // FIXME: is this really needed?
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	89 //
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	90 // This is just a trick to avoid multiple symbol definitions.
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	91 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type>
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	92 // that will cause MSVC not to generate a new instantiation and
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	93 // use the imported one instead.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	94 # include "PermMatrix.h"
13730 a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	95 #endif
a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	96
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	97 // Forward declaration
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	98 static void ft_face_destroyed (void *object);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	99
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	100 class
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	101 ft_manager
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	102 {
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	103 private:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	104
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	105 ft_manager (void)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	106 : m_library (), m_freetype_initialized (false),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	107 m_fontconfig_initialized (false)
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	108 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	109 if (FT_Init_FreeType (&m_library))
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	110 error ("unable to initialize FreeType library");
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	111 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	112 m_freetype_initialized = true;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	113
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	114 #if defined (HAVE_FONTCONFIG)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	115 if (! FcInit ())
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	116 error ("unable to initialize fontconfig library");
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	117 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	118 m_fontconfig_initialized = true;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	119 #endif
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	120 }
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	121
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	122 public:
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	123
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	124 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	125
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	126 ft_manager (const ft_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	127
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	128 ft_manager& operator = (const ft_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	129
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	130 private:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	131
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	132 ~ft_manager (void)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	133 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	134 if (m_freetype_initialized)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	135 FT_Done_FreeType (m_library);
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	136
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	137 #if defined (HAVE_FONTCONFIG)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	138 // FIXME: Skip the call to FcFini because it can trigger the assertion
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	139 //
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	140 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed.
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	141 //
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	142 // if (m_fontconfig_initialized)
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	143 // FcFini ();
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	144 #endif
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	145 }
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	146
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	147 public:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	148
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	149 static bool instance_ok (void)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	150 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	151 bool retval = true;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	152
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	153 if (! m_instance)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	154 {
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	155 m_instance = new ft_manager ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 26340 diff changeset	156 singleton_cleanup_list::add (cleanup_instance);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	157 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	158
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	159 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	160 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	161
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	162 static void cleanup_instance (void)
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	163 { delete m_instance; m_instance = nullptr; }
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	164
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	165 static FT_Face get_font (const std::string& name, const std::string& weight,
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	166 const std::string& angle, double size,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	167 FT_ULong c = 0)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	168 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	169 return (instance_ok ()
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	170 ? m_instance->do_get_font (name, weight, angle, size, c)
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	171 : nullptr);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	172 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	173
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	174 static octave_map get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	175 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	176 return (instance_ok ()
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	177 ? m_instance->do_get_system_fonts ()
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	178 : octave_map ());
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	179 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	180
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	181 static void font_destroyed (FT_Face face)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	182 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	183 if (instance_ok ())
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	184 m_instance->do_font_destroyed (face);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	185 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	186
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	187 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	188
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	189 typedef std::pair<std::string, double> ft_key;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	190 typedef std::map<ft_key, FT_Face> ft_cache;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	191
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	192 static octave_map do_get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	193 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	194 static octave_map font_map;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	195
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	196 if (font_map.isempty ())
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	197 {
28483 98889de398dd * ft-text-renderer.cc: Allow build to succeed if HAVE_FONTCONFIG is undefined. John W. Eaton <jwe@octave.org> parents: 28305 diff changeset	198 #if defined (HAVE_FONTCONFIG)
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	199 FcConfig *config = FcConfigGetCurrent();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	200 FcPattern *pat = FcPatternCreate ();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	201 FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, FC_SLANT, FC_WEIGHT,
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	202 FC_CHARSET, nullptr);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	203 FcFontSet *fs = FcFontList (config, pat, os);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	204
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	205 if (fs->nfont > 0)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	206 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	207 // Mark fonts that have at least all printable ASCII chars
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	208 FcCharSet *minimal_charset = FcCharSetCreate ();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	209 for (int i = 32; i < 127; i++)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	210 FcCharSetAddChar (minimal_charset, static_cast<FcChar32> (i));
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	211
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	212 string_vector fields (4);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	213 fields(0) = "family";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	214 fields(1) = "angle";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	215 fields(2) = "weight";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	216 fields(3) = "suitable";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	217
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	218 dim_vector dv (1, fs->nfont);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	219 Cell families (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	220 Cell angles (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	221 Cell weights (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	222 Cell suitable (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	223
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	224 unsigned char *family;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	225 int val;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	226 for (int i = 0; fs && i < fs->nfont; i++)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	227 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	228 FcPattern *font = fs->fonts[i];
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	229 if (FcPatternGetString (font, FC_FAMILY, 0, &family)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	230 == FcResultMatch)
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30119 diff changeset	231 families(i) = std::string (reinterpret_cast<char *> (family));
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	232 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	233 families(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	234
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	235 if (FcPatternGetInteger (font, FC_SLANT, 0, &val)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	236 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	237 angles(i) = (val == FC_SLANT_ITALIC
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	238 \|\| val == FC_SLANT_OBLIQUE)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	239 ? "italic" : "normal";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	240 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	241 angles(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	242
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	243 if (FcPatternGetInteger (font, FC_WEIGHT, 0, &val)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	244 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	245 weights(i) = (val == FC_WEIGHT_BOLD
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	246 \|\| val == FC_WEIGHT_DEMIBOLD)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	247 ? "bold" : "normal";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	248 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	249 weights(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	250
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	251 FcCharSet *cset;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	252 if (FcPatternGetCharSet (font, FC_CHARSET, 0, &cset)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	253 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	254 suitable(i) = (FcCharSetIsSubset (minimal_charset, cset)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	255 ? true : false);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	256 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	257 suitable(i) = false;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	258 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	259
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	260 font_map = octave_map (dv, fields);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	261
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	262 font_map.assign ("family", families);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	263 font_map.assign ("angle", angles);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	264 font_map.assign ("weight", weights);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	265 font_map.assign ("suitable", suitable);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	266
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	267 if (fs)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	268 FcFontSetDestroy (fs);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	269 }
28483 98889de398dd * ft-text-renderer.cc: Allow build to succeed if HAVE_FONTCONFIG is undefined. John W. Eaton <jwe@octave.org> parents: 28305 diff changeset	270 #endif
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	271 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	272
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	273 return font_map;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	274 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	275
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	276 FT_Face do_get_font (const std::string& name, const std::string& weight,
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	277 const std::string& angle, double size,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	278 FT_ULong search_code_point)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	279 {
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	280 FT_Face retval = nullptr;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	281
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	282 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	283 // Look first into the font cache, then use fontconfig. If the font
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	284 // is present in the cache, simply add a reference and return it.
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	285
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	286 ft_key key (name + ':' + weight + ':' + angle + ':'
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	287 + std::to_string (search_code_point), size);
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	288 ft_cache::const_iterator it = m_cache.find (key);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	289
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	290 if (it != m_cache.end ())
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	291 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	292 FT_Reference_Face (it->second);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	293 return it->second;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	294 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	295 #endif
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	296
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	297 static std::string fonts_dir;
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	298
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	299 if (fonts_dir.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	300 {
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	301 fonts_dir = sys::env::getenv ("OCTAVE_FONTS_DIR");
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	302
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	303 if (fonts_dir.empty ())
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	304 #if defined (SYSTEM_FREEFONT_DIR)
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	305 fonts_dir = SYSTEM_FREEFONT_DIR;
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	306 #else
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	307 fonts_dir = config::oct_fonts_dir ();
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	308 #endif
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	309 }
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	310
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	311
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	312 // Default font file
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	313 std::string file;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	314
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	315 if (! fonts_dir.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	316 {
25336 389757b7b6af eliminate redundant octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	317 file = fonts_dir + sys::file_ops::dir_sep_str () + "FreeSans";
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	318
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	319 if (weight == "bold")
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	320 file += "Bold";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	321
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	322 if (angle == "italic" \|\| angle == "oblique")
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	323 file += "Oblique";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	324
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	325 file += ".otf";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	326 }
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	327
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	328 #if defined (HAVE_FONTCONFIG)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	329 if ((search_code_point != 0 \|\| name != "*") && m_fontconfig_initialized)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	330 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	331 int fc_weight, fc_angle;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	332
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	333 if (weight == "bold")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	334 fc_weight = FC_WEIGHT_BOLD;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	335 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	336 fc_weight = FC_WEIGHT_NORMAL;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	337
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	338 if (angle == "italic")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	339 fc_angle = FC_SLANT_ITALIC;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	340 else if (angle == "oblique")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	341 fc_angle = FC_SLANT_OBLIQUE;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	342 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	343 fc_angle = FC_SLANT_ROMAN;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	344
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	345 FcPattern *pat = FcPatternCreate ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	346
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	347 FcPatternAddString (pat, FC_FAMILY,
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	348 (reinterpret_cast<const FcChar8 *>
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	349 (name.c_str ())));
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	350
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	351 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	352 FcPatternAddInteger (pat, FC_SLANT, fc_angle);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	353 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	354
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	355 if (search_code_point > 0)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	356 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	357 FcCharSet *minimal_charset = FcCharSetCreate ();
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	358 FcCharSetAddChar (minimal_charset,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	359 static_cast<FcChar32> (search_code_point));
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	360 FcPatternAddCharSet (pat, FC_CHARSET, minimal_charset);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	361 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	362
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	363 if (FcConfigSubstitute (nullptr, pat, FcMatchPattern))
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	364 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	365 FcResult res;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	366 FcPattern *match;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	367
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	368 FcDefaultSubstitute (pat);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	369
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	370 match = FcFontMatch (nullptr, pat, &res);
9833 637fa784d102 Allow more font matches godfrey@isl.Stanford.EDU parents: 9619 diff changeset	371
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	372 // FIXME: originally, this test also required that
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	373 // res != FcResultNoMatch. Is that really needed?
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	374 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	375 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	376 unsigned char *tmp;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	377
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	378 FcPatternGetString (match, FC_FILE, 0, &tmp);
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	379 file = reinterpret_cast<char *> (tmp);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	380 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	381 else
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	382 ::warning ("could not match any font: %s-%s-%s-%g, using default font",
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	383 name.c_str (), weight.c_str (), angle.c_str (),
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	384 size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	385
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	386 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	387 FcPatternDestroy (match);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	388 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	389
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	390 FcPatternDestroy (pat);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	391 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	392 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	393
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	394 if (file.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	395 ::warning ("unable to find default font files");
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	396 else
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	397 {
29489 ee66869c30d6 Fix loading fonts from path with non-ASCII characters on Windows. Markus Mützel <markus.muetzel@gmx.de> parents: 29470 diff changeset	398 std::string ascii_file = sys::get_ASCII_filename (file);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	399
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	400 if (FT_New_Face (m_library, ascii_file.c_str (), 0, &retval))
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	401 ::warning ("ft_manager: unable to load font: %s", file.c_str ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	402 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	403 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	404 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	405 // Install a finalizer to notify ft_manager that the font is
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	406 // being destroyed. The class ft_manager only keeps weak
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	407 // references to font objects.
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	408
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	409 retval->generic.data = new ft_key (key);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	410 retval->generic.finalizer = ft_face_destroyed;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	411
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	412 // Insert loaded font into the cache.
28206 11d66485fc19 Correctly cache fonts in ft_manager (bug #58150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27923 diff changeset	413 if (FT_Reference_Face (retval) == 0)
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	414 m_cache[key] = retval;
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	415 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	416 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	417 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	418
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	419 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	420 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	421
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	422 void do_font_destroyed (FT_Face face)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	423 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	424 if (face->generic.data)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	425 {
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	426 ft_key pkey = reinterpret_cast<ft_key > (face->generic.data);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	427
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	428 m_cache.erase (*pkey);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	429 delete pkey;
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	430 face->generic.data = nullptr;
28206 11d66485fc19 Correctly cache fonts in ft_manager (bug #58150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27923 diff changeset	431 FT_Done_Face (face);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	432 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	433 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	434
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	435 //--------
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	436
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	437 static ft_manager *m_instance;
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	438
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	439 // Cache the fonts loaded by FreeType. This cache only contains
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	440 // weak references to the fonts, strong references are only present
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	441 // in class text_renderer.
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	442 ft_cache m_cache;
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	443
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	444 FT_Library m_library;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	445 bool m_freetype_initialized;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	446 bool m_fontconfig_initialized;
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	447 };
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	448
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	449 ft_manager *ft_manager::m_instance = nullptr;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	450
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	451 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	452 ft_face_destroyed (void *object)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	453 {
25336 389757b7b6af eliminate redundant octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	454 ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object));
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	455 }
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	456
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	457 class
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	458 OCTINTERP_API
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	459 ft_text_renderer : public base_text_renderer
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	460 {
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	461 public:
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	462
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	463 enum
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	464 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	465 MODE_BBOX = 0,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	466 MODE_RENDER = 1
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	467 };
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	468
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	469 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	470
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	471 ft_text_renderer (void)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	472 : base_text_renderer (), m_font (), m_bbox (1, 4, 0.0), m_halign (0),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	473 m_xoffset (0), m_line_yoffset (0), m_yoffset (0), m_mode (MODE_BBOX),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	474 m_color (dim_vector (1, 3), 0), m_do_strlist (false), m_strlist (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	475 m_line_xoffset (0), m_ymin (0), m_ymax (0), m_deltax (0),
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	476 m_max_fontsize (0), m_antialias (true)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	477 { }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	478
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	479 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	480
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	481 ft_text_renderer (const ft_text_renderer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	482
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	483 ft_text_renderer& operator = (const ft_text_renderer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	484
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	485 ~ft_text_renderer (void) = default;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	486
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	487 void visit (text_element_string& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	488
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	489 void visit (text_element_list& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	490
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	491 void visit (text_element_subscript& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	492
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	493 void visit (text_element_superscript& e);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	494
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	495 void visit (text_element_color& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	496
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	497 void visit (text_element_fontsize& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	498
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	499 void visit (text_element_fontname& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	500
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	501 void visit (text_element_fontstyle& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	502
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	503 void visit (text_element_symbol& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	504
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	505 void visit (text_element_combined& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	506
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	507 void reset (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	508
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	509 uint8NDArray get_pixels (void) const { return m_pixels; }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	510
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	511 Matrix get_boundingbox (void) const { return m_bbox; }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	512
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	513 uint8NDArray render (text_element *elt, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	514 int rotation = ROTATION_0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	515
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	516 Matrix get_extent (text_element *elt, double rotation = 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	517 Matrix get_extent (const std::string& txt, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	518 const caseless_str& interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	519
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	520 void set_anti_aliasing (bool val) { m_antialias = val; };
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	521
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	522 void set_font (const std::string& name, const std::string& weight,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	523 const std::string& angle, double size);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	524
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	525 octave_map get_system_fonts (void);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	526
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	527 void set_color (const Matrix& c);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	528
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	529 void set_mode (int m);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	530
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	531 void text_to_pixels (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	532 uint8NDArray& pxls, Matrix& bbox,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	533 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	534 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	535 bool handle_rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	536
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	537 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	538
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	539 // Class to hold information about fonts and a strong
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	540 // reference to the font objects loaded by FreeType.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	541
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	542 class ft_font : public text_renderer::font
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	543 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	544 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	545
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	546 ft_font (void)
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	547 : text_renderer::font (), m_face (nullptr) { }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	548
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	549 ft_font (const std::string& nm, const std::string& wt,
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	550 const std::string& ang, double sz, FT_Face f = nullptr)
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	551 : text_renderer::font (nm, wt, ang, sz), m_face (f)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	552 { }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	553
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	554 ft_font (const ft_font& ft);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	555
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	556 ~ft_font (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	557 {
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	558 if (m_face)
f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	559 FT_Done_Face (m_face);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	560 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	561
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	562 ft_font& operator = (const ft_font& ft);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	563
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	564 bool is_valid (void) const { return get_face (); }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	565
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	566 FT_Face get_face (void) const;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	567
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	568 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	569
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	570 mutable FT_Face m_face;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	571 };
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	572
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	573 void push_new_line (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	574
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	575 void update_line_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	576
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	577 void compute_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	578
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	579 int compute_line_xoffset (const Matrix& lb) const;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	580
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	581 FT_UInt process_character (FT_ULong code, FT_UInt previous,
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	582 std::string& sub_font);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	583
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	584 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	585
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	586 void text_to_strlist (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	587 std::list<text_renderer::string>& lst, Matrix& bbox,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	588 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	589 const caseless_str& interp);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	590
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	591 private:
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	592
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	593 // The current font used by the renderer.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	594 ft_font m_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	595
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	596 // Used to stored the bounding box corresponding to the rendered text.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	597 // The bounding box has the form [x, y, w, h] where x and y represent the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	598 // coordinates of the bottom left corner relative to the anchor point of
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	599 // the text (== start of text on the baseline). Due to font descent or
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	600 // multiple lines, the value y is usually negative.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	601 Matrix m_bbox;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	602
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	603 // Used to stored the rendered text. It's a 3D matrix with size MxNx4
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	604 // where M and N are the width and height of the bounding box.
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	605 uint8NDArray m_pixels;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	606
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	607 // Used to store the bounding box of each line. This is used to layout
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	608 // multiline text properly.
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	609 std::list<Matrix> m_line_bbox;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	610
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	611 // The current horizontal alignment. This is used to align multi-line text.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	612 int m_halign;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	613
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	614 // The X offset for the next glyph.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	615 int m_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	616
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	617 // The Y offset of the baseline for the current line.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	618 int m_line_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	619
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	620 // The Y offset of the baseline for the next glyph. The offset is relative
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	621 // to line_yoffset. The total Y offset is computed with:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	622 // line_yoffset + yoffset.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	623 int m_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	624
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	625 // The current mode of the rendering process (box computing or rendering).
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	626 int m_mode;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	627
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	628 // The base color of the rendered text.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	629 uint8NDArray m_color;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	630
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	631 // A list of parsed strings to be used for printing.
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	632 bool m_do_strlist;
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	633 std::list<text_renderer::string> m_strlist;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	634
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	635 // The X offset of the baseline for the current line.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	636 int m_line_xoffset;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	637
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	638 // Min and max y coordinates of all glyphs in a line.
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	639 FT_Pos m_ymin;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	640 FT_Pos m_ymax;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	641
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	642 // Difference between the advance and the actual extent of the latest glyph
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	643 FT_Pos m_deltax;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	644
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	645 // Used for computing the distance between lines.
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	646 double m_max_fontsize;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	647
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	648 // Anti-aliasing.
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	649 bool m_antialias;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	650
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	651 };
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	652
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	653 void
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	654 ft_text_renderer::set_font (const std::string& name,
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	655 const std::string& weight,
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	656 const std::string& angle, double size)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	657 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	658 // FIXME: take "fontunits" into account
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	659 m_font = ft_font (name, weight, angle, size, nullptr);
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	660 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	661
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	662 octave_map
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	663 ft_text_renderer::get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	664 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	665 return ft_manager::get_system_fonts ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	666 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	667
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	668 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	669 ft_text_renderer::push_new_line (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	670 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	671 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	672 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	673 case MODE_BBOX:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	674 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	675 // Create a new bbox entry based on the current font.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	676
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	677 FT_Face face = m_font.get_face ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	678
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	679 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	680 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	681 Matrix bb (1, 5, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	682
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	683 m_line_bbox.push_back (bb);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	684
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	685 m_xoffset = m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	686 m_ymin = m_ymax = m_deltax = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	687 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	688 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	689 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	690
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	691 case MODE_RENDER:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	692 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	693 // Move to the next line bbox, adjust xoffset based on alignment
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	694 // and yoffset based on the old and new line bbox.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	695
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	696 Matrix old_bbox = m_line_bbox.front ();
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	697 m_line_bbox.pop_front ();
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	698 Matrix new_bbox = m_line_bbox.front ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	699
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	700 m_xoffset = m_line_xoffset = compute_line_xoffset (new_bbox);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	701 m_line_yoffset -= (-old_bbox(1) + math::round (0.4 * m_max_fontsize)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	702 + (new_bbox(3) + new_bbox(1)));
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	703 m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	704 m_ymin = m_ymax = m_deltax = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	705 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	706 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	707 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	708 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	709
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	710 int
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	711 ft_text_renderer::compute_line_xoffset (const Matrix& lb) const
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	712 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	713 if (! m_bbox.isempty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	714 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	715 switch (m_halign)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	716 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	717 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	718 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	719 case 1:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	720 return (m_bbox(2) - lb(2)) / 2;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	721 case 2:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	722 return (m_bbox(2) - lb(2));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	723 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	724 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	725
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	726 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	727 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	728
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	729 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	730 ft_text_renderer::compute_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	731 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	732 // Stack the various line bbox together and compute the final
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	733 // bounding box for the entire text string.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	734
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	735 m_bbox = Matrix ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	736
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	737 switch (m_line_bbox.size ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	738 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	739 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	740 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	741
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	742 case 1:
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	743 m_bbox = m_line_bbox.front ().extract (0, 0, 0, 3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	744 break;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	745
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	746 default:
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	747 for (const auto& lbox : m_line_bbox)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	748 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	749 if (m_bbox.isempty ())
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	750 m_bbox = lbox.extract (0, 0, 0, 3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	751 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	752 {
26221 76ac35f71573 Fix regression in multi-line text rendering (bug #55218) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26187 diff changeset	753 double delta = math::round (0.4 * m_max_fontsize) + lbox(3);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	754 m_bbox(1) -= delta;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	755 m_bbox(3) += delta;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	756 m_bbox(2) = math::max (m_bbox(2), lbox(2));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	757 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	758 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	759 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	760 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	761 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	762
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	763 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	764 ft_text_renderer::update_line_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	765 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	766 // Called after a font change, when in MODE_BBOX mode, to update the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	767 // current line bbox with the new font metrics. This also includes the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	768 // current yoffset, that is the offset of the current glyph's baseline
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	769 // the line's baseline.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	770
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	771 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	772 {
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	773 Matrix& bb = m_line_bbox.back ();
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	774 bb(1) = m_ymin;
26330 45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	775 // Add one pixel to the bbox height to avoid occasional text clipping.
45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	776 // See bug #55328.
45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	777 bb(3) = (m_ymax + 1) - m_ymin;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	778 if (m_deltax > 0)
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	779 bb(2) += m_deltax;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	780 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	781 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	782
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	783 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	784 ft_text_renderer::set_mode (int m)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	785 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	786 m_mode = m;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	787
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	788 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	789 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	790 case MODE_BBOX:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	791 m_xoffset = m_line_yoffset = m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	792 m_max_fontsize = 0.0;
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	793 m_bbox = Matrix (1, 4, 0.0);
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	794 m_line_bbox.clear ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	795 push_new_line ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	796 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	797
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	798 case MODE_RENDER:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	799 if (m_bbox.numel () != 4)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	800 {
22515 77b50a83ec11 Error out, rather than segfault, when fontname is "" (bug #49102). Rik <rik@octave.org> parents: 22407 diff changeset	801 ::error ("ft_text_renderer: invalid bounding box, cannot render");
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	802
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	803 m_xoffset = m_line_yoffset = m_yoffset = 0;
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	804 m_pixels = uint8NDArray ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	805 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	806 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	807 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	808 dim_vector d (4, octave_idx_type (m_bbox(2)),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	809 octave_idx_type (m_bbox(3)));
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	810 m_pixels = uint8NDArray (d, static_cast<uint8_t> (0));
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	811 m_xoffset = compute_line_xoffset (m_line_bbox.front ());
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	812 m_line_yoffset = -m_bbox(1);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	813 m_yoffset = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	814 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	815 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	816
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	817 default:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	818 error ("ft_text_renderer: invalid mode '%d'", m_mode);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	819 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	820 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	821 }
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	822
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30119 diff changeset	823 bool is_opaque (const FT_GlyphSlot& glyph, const int x, const int y)
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	824 {
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	825 // Borrowed from https://stackoverflow.com/questions/14800827/
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	826 // indexing-pixels-in-a-monochrome-freetype-glyph-buffer
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	827 int pitch = std::abs (glyph->bitmap.pitch);
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	828 unsigned char row = &glyph->bitmap.buffer[pitch y];
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	829 char cvalue = row[x >> 3];
26995 ab5bfee22d18 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26858 diff changeset	830
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	831 return ((cvalue & (128 >> (x & 7))) != 0);
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	832 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	833
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	834 FT_UInt
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	835 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous,
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	836 std::string& sub_name)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	837 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	838 FT_Face face = m_font.get_face ();
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	839
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	840 sub_name = face->family_name;
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	841
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	842 FT_UInt glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	843
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	844 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	845 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	846 glyph_index = FT_Get_Char_Index (face, code);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	847
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	848 if (code != '\n' && code != '\t'
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	849 && (! glyph_index
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	850 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	851 {
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	852 #if defined (HAVE_FONTCONFIG)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	853 // Try to substitue font
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	854 FT_Face sub_face = ft_manager::get_font (m_font.get_name (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	855 m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	856 m_font.get_angle (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	857 m_font.get_size (),
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	858 code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	859
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	860 if (sub_face)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	861 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	862 FT_Set_Char_Size (sub_face, 0, m_font.get_size ()*64, 0, 0);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	863
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	864 glyph_index = FT_Get_Char_Index (sub_face, code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	865
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	866 if (glyph_index
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	867 && (FT_Load_Glyph (sub_face, glyph_index, FT_LOAD_DEFAULT)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	868 == 0))
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	869 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	870 static std::string prev_sub_name;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	871
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	872 if (prev_sub_name.empty ()
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	873 \|\| prev_sub_name != std::string (sub_face->family_name))
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	874 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	875 prev_sub_name = sub_face->family_name;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	876 warning_with_id ("Octave:substituted-glyph",
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	877 "text_renderer: substituting font to '%s' for some characters",
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	878 sub_face->family_name);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	879 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	880
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	881 ft_font saved_font = m_font;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	882
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	883 m_font = ft_font (m_font.get_name (), m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	884 m_font.get_angle (), m_font.get_size (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	885 sub_face);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	886
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	887 process_character (code, previous, sub_name);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	888
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	889 m_font = saved_font;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	890 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	891 else
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	892 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	893 glyph_index = 0;
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	894 warn_missing_glyph (code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	895 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	896 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	897 else
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	898 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	899 glyph_index = 0;
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	900 warn_missing_glyph (code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	901 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	902 #else
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	903 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	904 warn_missing_glyph (code);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	905 #endif
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	906 }
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	907 else if ((code == '\n') \|\| (code == '\t'))
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	908 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	909 glyph_index = FT_Get_Char_Index (face, ' ');
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	910 if (! glyph_index
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	911 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	912 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	913 glyph_index = 0;
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	914 warn_missing_glyph (' ');
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	915 }
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	916 else if (code == '\n')
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	917 push_new_line ();
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	918 else
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	919 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	920 // Advance to next multiple of 4 times the width of the "space"
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	921 // character.
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	922 int x_tab = 4 * (face->glyph->advance.x >> 6);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	923 m_xoffset = (1 + std::floor (1. * m_xoffset / x_tab)) * x_tab;
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	924 }
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	925 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	926 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	927 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	928 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	929 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	930 case MODE_RENDER:
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	931 if (FT_Render_Glyph (face->glyph, (m_antialias
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	932 ? FT_RENDER_MODE_NORMAL
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	933 : FT_RENDER_MODE_MONO)))
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	934 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	935 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	936 warn_glyph_render (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	937 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	938 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	939 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	940 FT_Bitmap& bitmap = face->glyph->bitmap;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	941 int x0, y0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	942
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	943 if (previous)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	944 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	945 FT_Vector delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	946
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	947 FT_Get_Kerning (face, previous, glyph_index,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	948 FT_KERNING_DEFAULT, &delta);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	949
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	950 m_xoffset += (delta.x >> 6);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	951 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	952
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	953 x0 = m_xoffset + face->glyph->bitmap_left;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	954 y0 = m_line_yoffset + m_yoffset
30390 a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release. Rik <rik@octave.org> parents: 30119 diff changeset	955 + (face->glyph->bitmap_top - 1);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	956
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	957 // 'w' seems to have a negative -1
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	958 // face->glyph->bitmap_left, this is so we don't index out
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	959 // of bound, and assumes we've allocated the right amount of
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	960 // horizontal space in the bbox.
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	961 if (x0 < 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	962 x0 = 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	963
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	964 for (int r = 0; static_cast<unsigned int> (r) < bitmap.rows; r++)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	965 for (int c = 0; static_cast<unsigned int> (c) < bitmap.width; c++)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	966 {
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	967 unsigned char pix
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	968 = (m_antialias
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	969 ? bitmap.buffer[r*bitmap.width+c]
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	970 : (is_opaque (face->glyph, c, r) ? 255 : 0));
26995 ab5bfee22d18 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26858 diff changeset	971
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	972 if (x0+c < 0 \|\| x0+c >= m_pixels.dim2 ()
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	973 \|\| y0-r < 0 \|\| y0-r >= m_pixels.dim3 ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	974 {
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	975 // ::warning ("ft_text_renderer: x %d, y %d",
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	976 // x0+c, y0-r);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	977 }
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	978 else if (m_pixels(3, x0+c, y0-r).value () == 0)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	979 {
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	980 m_pixels(0, x0+c, y0-r) = m_color(0);
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	981 m_pixels(1, x0+c, y0-r) = m_color(1);
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	982 m_pixels(2, x0+c, y0-r) = m_color(2);
3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	983 m_pixels(3, x0+c, y0-r) = pix;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	984 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	985 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	986
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	987 m_xoffset += (face->glyph->advance.x >> 6);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	988 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	989 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	990
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	991 case MODE_BBOX:
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	992 Matrix& bb = m_line_bbox.back ();
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	993
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	994 // If we have a previous glyph, use kerning information. This
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	995 // usually means moving a bit backward before adding the next
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	996 // glyph. That is, "delta.x" is usually < 0.
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	997 if (previous)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	998 {
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	999 FT_Vector delta;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1000
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1001 FT_Get_Kerning (face, previous, glyph_index,
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1002 FT_KERNING_DEFAULT, &delta);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1003
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1004 m_xoffset += (delta.x >> 6);
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1005 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1006
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1007 // Extend current X offset box by the width of the current
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1008 // glyph. Then extend the line bounding box if necessary.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1009
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1010 m_xoffset += (face->glyph->advance.x >> 6);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1011 bb(2) = math::max (bb(2), m_xoffset);
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1012
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1013 // Store the actual bbox vertical coordinates of this character
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1014 FT_Glyph glyph;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1015 if (FT_Get_Glyph (face->glyph, &glyph))
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1016 warn_glyph_render (code);
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1017 else
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1018 {
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1019 FT_BBox glyph_bbox;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1020 FT_Glyph_Get_CBox (glyph, FT_GLYPH_BBOX_UNSCALED,
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1021 &glyph_bbox);
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1022 m_deltax = (glyph_bbox.xMax - face->glyph->advance.x) >> 6;
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1023 m_ymin = math::min ((glyph_bbox.yMin >> 6) + m_yoffset,
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1024 m_ymin);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1025 m_ymax = math::max ((glyph_bbox.yMax >> 6) + m_yoffset,
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1026 m_ymax);
26478 6f22d0c91beb Fix memory leak with FT_Glyph objects (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26376 diff changeset	1027 FT_Done_Glyph (glyph);
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1028 update_line_bbox ();
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1029 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1030 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1031 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1032 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1033 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1034
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1035 return glyph_index;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1036 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1037
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1038 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1039 ft_text_renderer::text_to_strlist (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1040 std::list<text_renderer::string>& lst,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1041 Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1042 int ha, int va, double rot,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1043 const caseless_str& interp)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1044 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1045 uint8NDArray pxls;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1046
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1047 // First run text_to_pixels which will also build the string list
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1048
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1049 m_strlist = std::list<text_renderer::string> ();
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1050
28857 43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1051 unwind_protect_var<bool> restore_var1 (m_do_strlist);
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1052 unwind_protect_var<std::list<text_renderer::string>>
28823 26cfccfee9a0 Replace unwind_protect with more efficient constructs (bug #59192). Rik <rik@octave.org> parents: 28483 diff changeset	1053 restore_var2 (m_strlist);
28857 43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1054
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1055 m_do_strlist = true;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1056
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1057 text_to_pixels (txt, pxls, box, ha, va, rot, interp, false);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1058
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1059 lst = m_strlist;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1060 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1061
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1062 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1063 ft_text_renderer::visit (text_element_string& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1064 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1065 if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1066 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1067 m_max_fontsize = std::max (m_max_fontsize, m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1068 FT_UInt glyph_index, previous = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1069
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1070 std::string str = e.string_value ();
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1071 const uint8_t c = reinterpret_cast<const uint8_t > (str.c_str ());
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1072 uint32_t u32_c;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1073
29654 d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1074 std::size_t n = str.size ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1075 std::size_t icurr = 0;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1076 std::size_t ibegin = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1077
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1078 // Initialize a new string
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1079 text_renderer::string fs (str, m_font, m_xoffset, m_yoffset);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1080
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1081 std::string fname = m_font.get_face ()->family_name;
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1082
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1083 if (fname.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1084 fname = "'" + fname + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1085
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1086 fs.set_family (fname);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1087
24076 1b7e49a72c62 improve text rendering in svg printout (bug #48567) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 23807 diff changeset	1088 std::vector<double> xdata;
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1089 std::string sub_name;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1090
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1091 while (n > 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1092 {
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1093 // Retrieve the length and the u32 representation of the current
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1094 // character
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1095 int mblen = octave_u8_strmbtouc_wrapper (&u32_c, c + icurr);
27142 8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1096 if (mblen < 1)
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1097 {
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1098 // This is not an UTF-8 character, use a replacement character
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1099 mblen = 1;
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1100 u32_c = 0xFFFD;
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1101 }
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	1102
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1103 n -= mblen;
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1104
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1105 if (m_do_strlist && m_mode == MODE_RENDER)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1106 {
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1107 if (u32_c == 10)
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1108 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1109 // Finish previous string in m_strlist before processing
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1110 // the newline character
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1111 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1112 fs.set_color (m_color);
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1113
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1114 std::string s = str.substr (ibegin, icurr - ibegin);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1115 if (! s.empty ())
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1116 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1117 fs.set_string (s);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1118 fs.set_y (m_line_yoffset + m_yoffset);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1119 fs.set_xdata (xdata);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1120 fs.set_family (fname);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1121 m_strlist.push_back (fs);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1122 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1123 }
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1124 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1125 xdata.push_back (m_xoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1126 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1127
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1128 glyph_index = process_character (u32_c, previous, sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1129
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1130 if (m_do_strlist && m_mode == MODE_RENDER && ! sub_name.empty ())
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1131 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1132 // Add substitution font to the family name stack
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1133 std::string tmp_family = fs.get_family ();
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1134
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1135 if (tmp_family.find (sub_name) == std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1136 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1137 if (sub_name.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1138 sub_name = "'" + sub_name + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1139
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1140 fs.set_family (tmp_family + ", " + sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1141 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1142 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1143
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1144 if (u32_c == 10)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1145 {
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1146 previous = 0;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1147
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1148 if (m_do_strlist && m_mode == MODE_RENDER)
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1149 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1150 // Start a new string in m_strlist
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1151 ibegin = icurr+1;
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1152 xdata.clear ();
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1153 fs = text_renderer::string (str.substr (ibegin), m_font,
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1154 m_line_xoffset, m_yoffset);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1155 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1156 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1157 else
def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1158 previous = glyph_index;
def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1159
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1160 icurr += mblen;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1161 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1162
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1163 if (m_do_strlist && m_mode == MODE_RENDER
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1164 && ! fs.get_string ().empty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1165 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1166 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1167 fs.set_color (m_color);
24076 1b7e49a72c62 improve text rendering in svg printout (bug #48567) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 23807 diff changeset	1168 fs.set_xdata (xdata);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1169 m_strlist.push_back (fs);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1170 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1171 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1172 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1173
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1174 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1175 ft_text_renderer::visit (text_element_list& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1176 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1177 // Save and restore (after processing the list) the current font and color.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1178
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1179 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1180 uint8NDArray saved_color (m_color);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1181
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1182 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1183
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1184 m_font = saved_font;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1185 m_color = saved_color;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1186 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1187
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1188 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1189 ft_text_renderer::visit (text_element_subscript& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1190 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1191 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1192 int saved_line_yoffset = m_line_yoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1193 int saved_yoffset = m_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1194
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1195 double sz = m_font.get_size ();
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1196
6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1197 // Reducing font size by 70% produces decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1198 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (),
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1199 std::max (5.0, sz * 0.7));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1200
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1201 if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1202 {
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1203 // Shifting the baseline by 15% of the font size gives decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1204 m_yoffset -= std::ceil (sz * 0.15);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1205
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1206 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1207 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1208 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1209
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1210 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1211
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1212 m_font = saved_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1213 // If line_yoffset changed, this means we moved to a new line; hence yoffset
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1214 // cannot be restored, because the saved value is not relevant anymore.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1215 if (m_line_yoffset == saved_line_yoffset)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1216 m_yoffset = saved_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1217 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1218
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1219 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1220 ft_text_renderer::visit (text_element_superscript& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1221 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1222 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1223 int saved_line_yoffset = m_line_yoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1224 int saved_yoffset = m_yoffset;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1225
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1226 double sz = m_font.get_size ();
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1227
6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1228 // Reducing font size by 70% produces decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1229 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (),
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1230 std::max (5.0, sz * 0.7));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1231
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1232 if (saved_font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1233 {
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1234 // Shifting the baseline by 40% of the font size gives decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1235 m_yoffset += std::ceil (sz * 0.4);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1236
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1237 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1238 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1239 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1240
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1241 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1242
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1243 m_font = saved_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1244 // If line_yoffset changed, this means we moved to a new line; hence yoffset
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1245 // cannot be restored, because the saved value is not relevant anymore.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1246 if (m_line_yoffset == saved_line_yoffset)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1247 m_yoffset = saved_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1248 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1249
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1250 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1251 ft_text_renderer::visit (text_element_color& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1252 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1253 if (m_mode == MODE_RENDER)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1254 set_color (e.get_color ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1255 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1256
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1257 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1258 ft_text_renderer::visit (text_element_fontsize& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1259 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1260 double sz = e.get_fontsize ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1261
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1262 // FIXME: Matlab documentation says that the font size is expressed
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1263 // in the text object FontUnit.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1264
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1265 set_font (m_font.get_name (), m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1266 m_font.get_angle (), sz);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1267
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1268 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1269 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1270 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1271
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1272 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1273 ft_text_renderer::visit (text_element_fontname& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1274 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1275 set_font (e.get_fontname (), m_font.get_weight (), m_font.get_angle (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1276 m_font.get_size ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1277
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1278 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1279 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1280 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1281
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1282 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1283 ft_text_renderer::visit (text_element_fontstyle& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1284 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1285 switch (e.get_fontstyle ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1286 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1287 case text_element_fontstyle::normal:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1288 set_font (m_font.get_name (), "normal", "normal", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1289 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1290
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1291 case text_element_fontstyle::bold:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1292 set_font (m_font.get_name (), "bold", "normal", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1293 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1294
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1295 case text_element_fontstyle::italic:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1296 set_font (m_font.get_name (), "normal", "italic", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1297 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1298
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1299 case text_element_fontstyle::oblique:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1300 set_font (m_font.get_name (), "normal", "oblique", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1301 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1302 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1303
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1304 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1305 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1306 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1307
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1308 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1309 ft_text_renderer::visit (text_element_symbol& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1310 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1311 uint32_t code = e.get_symbol_code ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1312
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1313 std::vector<double> xdata (1, m_xoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1314 text_renderer::string fs ("-", m_font, m_xoffset, m_yoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1315
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1316 if (code != text_element_symbol::invalid_code && m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1317 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1318 std::string sub_name;
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1319
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1320 process_character (code, 0, sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1321
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1322 if (m_do_strlist && m_mode == MODE_RENDER)
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1323 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1324 if (! sub_name.empty ())
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1325 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1326 // Add substitution font to the family name
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1327 std::string tmp_family = fs.get_family ();
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1328
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1329 if (tmp_family.find (sub_name) == std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1330 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1331 if (sub_name.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1332 sub_name = "'" + sub_name + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1333
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1334 fs.set_family (tmp_family + ", " + sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1335 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1336 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1337
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1338 fs.set_code (code);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1339 fs.set_xdata (xdata);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1340 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1341 }
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1342 else if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1343 ::warning ("ignoring unknown symbol: %d", e.get_symbol ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1344
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1345 if (m_do_strlist && m_mode == MODE_RENDER && fs.get_code ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1346 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1347 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1348 fs.set_color (m_color);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1349 fs.set_family (m_font.get_face ()->family_name);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1350 m_strlist.push_back (fs);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1351 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1352 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1353
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1354 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1355 ft_text_renderer::visit (text_element_combined& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1356 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1357 int saved_xoffset = m_xoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1358 int max_xoffset = m_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1359
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	1360 for (auto *txt_elt : e)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1361 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1362 m_xoffset = saved_xoffset;
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	1363 txt_elt->accept (*this);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1364 max_xoffset = math::max (m_xoffset, max_xoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1365 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1366
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1367 m_xoffset = max_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1368 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1369
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1370 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1371 ft_text_renderer::reset (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1372 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1373 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1374 set_color (Matrix (1, 3, 0.0));
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1375 m_strlist = std::list<text_renderer::string> ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1376 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1377
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1378 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1379 ft_text_renderer::set_color (const Matrix& c)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1380 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1381 if (c.numel () == 3)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1382 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1383 m_color(0) = static_cast<uint8_t> (c(0)*255);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1384 m_color(1) = static_cast<uint8_t> (c(1)*255);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1385 m_color(2) = static_cast<uint8_t> (c(2)*255);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1386 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1387 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1388 ::warning ("ft_text_renderer::set_color: invalid color");
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1389 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1390
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1391 uint8NDArray
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1392 ft_text_renderer::render (text_element *elt, Matrix& box, int rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1393 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1394 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1395 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1396 compute_bbox ();
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1397 box = m_bbox;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1398
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1399 set_mode (MODE_RENDER);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1400
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	1401 if (m_pixels.numel () > 0)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1402 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1403 elt->accept (*this);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1404
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	1405 rotate_pixels (m_pixels, rotation);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1406 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1407
30119 3161a1ee0045 maint: use "m_" prefix for member variables in file ft-text-renderer.cc. Rik <rik@octave.org> parents: 30041 diff changeset	1408 return m_pixels;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1409 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1410
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1411 // Note:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1412 // x-extent accurately measures width of glyphs.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1413 // y-extent is overly large because it is measured from baseline-to-baseline.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1414 // Calling routines, such as ylabel, may need to account for this mismatch.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1415
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1416 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1417 ft_text_renderer::get_extent (text_element *elt, double rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1418 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1419 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1420 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1421 compute_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1422
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1423 Matrix extent (1, 2, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1424
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1425 switch (rotation_to_mode (rotation))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1426 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1427 case ROTATION_0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1428 case ROTATION_180:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1429 extent(0) = m_bbox(2);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1430 extent(1) = m_bbox(3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1431 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1432
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1433 case ROTATION_90:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1434 case ROTATION_270:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1435 extent(0) = m_bbox(3);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1436 extent(1) = m_bbox(2);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1437 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1438
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1439 return extent;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1440 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1441
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1442 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1443 ft_text_renderer::get_extent (const std::string& txt, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1444 const caseless_str& interpreter)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1445 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1446 text_element *elt = text_parser::parse (txt, interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1447 Matrix extent = get_extent (elt, rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1448 delete elt;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1449
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1450 return extent;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1451 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1452
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1453 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1454 ft_text_renderer::text_to_pixels (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1455 uint8NDArray& pxls, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1456 int _halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1457 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1458 bool handle_rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1459 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1460 int rot_mode = rotation_to_mode (rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1461
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1462 m_halign = _halign;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1463
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1464 text_element *elt = text_parser::parse (txt, interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1465 pxls = render (elt, box, rot_mode);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1466 delete elt;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1467
23577 80c42f4cca13 maint: Deprecate is_empty and replace with isempty. Rik <rik@octave.org> parents: 23462 diff changeset	1468 if (pxls.isempty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1469 return; // nothing to render
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1470
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29359 diff changeset	1471 // Move X0 and Y0 depending on alignments and eventually swap all values
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29359 diff changeset	1472 // for text rotated 90° 180° or 270°
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1473 fix_bbox_anchor (box, m_halign, valign, rot_mode, handle_rotation);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1474 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1475
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1476 ft_text_renderer::ft_font::ft_font (const ft_font& ft)
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1477 : text_renderer::font (ft), m_face (nullptr)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1478 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1479 #if defined (HAVE_FT_REFERENCE_FACE)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1480 FT_Face ft_face = ft.get_face ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1481
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1482 if (ft_face && FT_Reference_Face (ft_face) == 0)
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1483 m_face = ft_face;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1484 #endif
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1485 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1486
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1487 ft_text_renderer::ft_font&
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1488 ft_text_renderer::ft_font::operator = (const ft_font& ft)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1489 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1490 if (&ft != this)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1491 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1492 text_renderer::font::operator = (ft);
17271 cb7233cfbf43 Prepare base text rendering code for full TeX support. Michael Goffioul <michael.goffioul@gmail.com> parents: 17270 diff changeset	1493
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1494 if (m_face)
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1495 {
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1496 FT_Done_Face (m_face);
f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1497 m_face = nullptr;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1498 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1499
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1500 #if defined (HAVE_FT_REFERENCE_FACE)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1501 FT_Face ft_face = ft.get_face ();
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1502
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1503 if (ft_face && FT_Reference_Face (ft_face) == 0)
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1504 m_face = ft_face;
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1505 #endif
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1506 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1507
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1508 return *this;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1509 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1510
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1511 FT_Face
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1512 ft_text_renderer::ft_font::get_face (void) const
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1513 {
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1514 if (! m_face && ! m_name.empty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1515 {
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1516 m_face = ft_manager::get_font (m_name, m_weight, m_angle, m_size);
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1517
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1518 if (m_face)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1519 {
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1520 if (FT_Set_Char_Size (m_face, 0, m_size*64, 0, 0))
f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1521 ::warning ("ft_text_renderer: unable to set font size to %g", m_size);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1522 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1523 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1524 ::warning ("ft_text_renderer: unable to load appropriate font");
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1525 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1526
30041 f148aff802b6 maint: use "m_" prefix for member variables of text_renderer objects. Rik <rik@octave.org> parents: 29683 diff changeset	1527 return m_face;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1528 }
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1529
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1530 OCTAVE_END_NAMESPACE(octave)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1531
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20715 diff changeset	1532 #endif
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1533
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1534 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1535
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1536 base_text_renderer *
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1537 make_ft_text_renderer (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1538 {
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1539 #if defined (HAVE_FREETYPE)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1540 return new ft_text_renderer ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1541 #else
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1542 return 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1543 #endif
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1544 }
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1545
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	1546 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate libinterp/corefcn/ft-text-renderer.cc @ 31605:e88a07dec498 stable