Mercurial > octave
annotate libinterp/corefcn/gl-render.h @ 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 | 83f9f8bda883 |
children | aac27ad79be6 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2008-2022 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if ! defined (octave_gl_render_h) |
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27 #define octave_gl_render_h 1 |
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28 |
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29 #include "octave-config.h" |
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30 |
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31 #include "graphics.h" |
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32 #include "text-renderer.h" |
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33 |
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34 OCTAVE_BEGIN_NAMESPACE(octave) |
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35 |
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36 class opengl_functions; |
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37 |
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38 class |
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39 OCTINTERP_API |
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40 opengl_renderer |
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41 { |
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42 public: |
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43 |
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44 opengl_renderer (opengl_functions& glfcns); |
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45 |
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46 // No copying! |
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47 |
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48 opengl_renderer (const opengl_renderer&) = delete; |
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49 |
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50 opengl_renderer& operator = (const opengl_renderer&) = delete; |
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51 |
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52 virtual ~opengl_renderer (void) = default; |
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53 |
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54 opengl_functions& get_opengl_functions (void) const { return m_glfcns; } |
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55 |
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56 virtual void draw (const graphics_object& go, bool toplevel = true); |
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57 |
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58 // The following version of the draw method is not declared virtual |
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59 // because no derived class overrides it. |
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60 |
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61 void draw (const Matrix& hlist, bool toplevel = false); |
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62 |
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63 virtual void set_viewport (int w, int h); |
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64 virtual void set_device_pixel_ratio (double dpr) { m_devpixratio = dpr; } |
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65 virtual Matrix get_viewport_scaled (void) const; |
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66 virtual graphics_xform get_transform (void) const { return m_xform; } |
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67 virtual uint8NDArray get_pixels (int width, int height); |
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68 |
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69 virtual void draw_zoom_box (int width, int height, |
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70 int x1, int y1, int x2, int y2, |
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71 const Matrix& overlaycolor, |
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72 double overlayalpha, |
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73 const Matrix& bordercolor, |
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74 double borderalpha, double borderwidth); |
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75 |
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76 virtual void finish (void); |
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77 |
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78 protected: |
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79 |
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80 virtual void draw_figure (const figure::properties& props); |
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81 virtual void draw_axes (const axes::properties& props); |
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82 virtual void draw_line (const line::properties& props); |
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83 virtual void draw_surface (const surface::properties& props); |
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84 virtual void draw_patch (const patch::properties& props); |
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85 virtual void draw_scatter (const scatter::properties& props); |
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86 virtual void draw_light (const light::properties& props); |
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87 virtual void draw_hggroup (const hggroup::properties& props); |
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88 virtual void draw_text (const text::properties& props); |
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89 virtual void draw_text_background (const text::properties& props, |
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90 bool do_rotate = false); |
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91 virtual void draw_image (const image::properties& props); |
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92 virtual void draw_uipanel (const uipanel::properties& props, |
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93 const graphics_object& go); |
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94 virtual void draw_uibuttongroup (const uibuttongroup::properties& props, |
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95 const graphics_object& go); |
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96 virtual void init_gl_context (bool enhanced, const Matrix& backgroundColor); |
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97 virtual void setup_opengl_transformation (const axes::properties& props); |
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98 |
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99 virtual void set_clipbox (double x1, double x2, double y1, double y2, |
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100 double z1, double z2); |
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101 virtual void set_clipping (bool on); |
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102 virtual void set_font (const base_properties& props); |
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103 virtual void set_color (const Matrix& c); |
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104 virtual void set_interpreter (const caseless_str& interp) |
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105 { |
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106 m_interpreter = interp; |
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107 } |
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108 virtual void set_linewidth (float w); |
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109 virtual void set_linestyle (const std::string& s, bool stipple = false, |
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110 double linewidth = 0.5); |
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111 virtual void set_linecap (const std::string&) { }; |
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112 virtual void set_linejoin (const std::string&) { }; |
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113 virtual void set_polygon_offset (bool on, float offset = 0.0f); |
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114 virtual void set_selecting (bool on) |
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115 { |
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116 m_selecting = on; |
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117 } |
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118 |
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119 virtual void init_marker (const std::string& m, double size, float width); |
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120 virtual void change_marker (const std::string& m, double size); |
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121 virtual void end_marker (void); |
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122 virtual void draw_marker (double x, double y, double z, |
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123 const Matrix& lc, const Matrix& fc, |
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124 const double la = 1.0, const double fa = 1.0); |
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125 |
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126 virtual void text_to_pixels (const std::string& txt, |
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127 uint8NDArray& pixels, |
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128 Matrix& bbox, |
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129 int halign = 0, int valign = 0, |
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130 double rotation = 0.0); |
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131 |
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132 virtual void text_to_strlist (const std::string& txt, |
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133 std::list<text_renderer::string>& lst, |
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134 Matrix& bbox, |
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135 int halign = 0, int valign = 0, |
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136 double rotation = 0.0); |
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137 |
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138 virtual Matrix render_text (const std::string& txt, |
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139 double x, double y, double z, |
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140 int halign, int valign, double rotation = 0.0); |
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141 |
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142 virtual void render_grid (const double linewidth, |
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143 const std::string& gridstyle, |
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144 const Matrix& gridcolor, const double gridalpha, |
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145 const Matrix& ticks, double lim1, double lim2, |
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146 double p1, double p1N, double p2, double p2N, |
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147 int xyz, bool is_3D); |
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148 |
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149 virtual void render_tickmarks (const Matrix& ticks, |
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150 double lim1, double lim2, |
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151 double p1, double p1N, double p2, double p2N, |
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152 double dx, double dy, double dz, |
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153 int xyz, bool doubleside); |
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154 |
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155 virtual void render_ticktexts (const Matrix& ticks, |
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156 const string_vector& ticklabels, |
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157 double lim1, double lim2, |
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158 double p1, double p2, |
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159 int xyz, int ha, int va, |
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160 int& wmax, int& hmax); |
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161 |
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162 virtual void draw_zoom_rect (int x1, int y1, int x2, int y2); |
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163 |
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164 //-------- |
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165 |
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166 opengl_functions& m_glfcns; |
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167 |
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168 // axis limits in model scaled coordinate |
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169 double m_xmin, m_xmax; |
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170 double m_ymin, m_ymax; |
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171 double m_zmin, m_zmax; |
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172 |
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173 // Factor used for translating Octave pixels to actual device pixels |
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174 double m_devpixratio; |
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175 |
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176 // axes transformation data |
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177 graphics_xform m_xform; |
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178 |
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179 private: |
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180 |
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181 class patch_tessellator; |
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182 |
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183 void init_maxlights (void); |
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184 |
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185 std::string get_string (unsigned int id) const; |
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186 |
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187 bool is_nan_or_inf (double x, double y, double z) const |
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188 { |
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189 return (math::isnan (x) || math::isnan (y) |
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190 || math::isnan (z) |
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191 || math::isinf (x) || math::isinf (y) |
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192 || math::isinf (z)); |
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193 } |
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194 |
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195 uint8_t clip_code (double x, double y, double z) const |
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196 { |
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197 return ((x < m_xmin ? 1 : 0) |
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198 | (x > m_xmax ? 1 : 0) << 1 |
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199 | (y < m_ymin ? 1 : 0) << 2 |
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200 | (y > m_ymax ? 1 : 0) << 3 |
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201 | (z < m_zmin ? 1 : 0) << 4 |
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202 | (z > m_zmax ? 1 : 0) << 5 |
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203 | (is_nan_or_inf (x, y, z) ? 0 : 1) << 6); |
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204 } |
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205 |
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206 void render_text (uint8NDArray pixels, Matrix bbox, |
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207 double x, double y, double z, double rotation); |
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208 |
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209 void set_normal (int bfl_mode, const NDArray& n, int j, int i); |
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210 |
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211 void set_ortho_coordinates (void); |
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212 |
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213 void restore_previous_coordinates (void); |
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214 |
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215 double points_to_pixels (const double val) const; |
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216 |
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217 unsigned int make_marker_list (const std::string& m, double size, |
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218 bool filled) const; |
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219 |
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220 void draw_axes_planes (const axes::properties& props); |
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221 void draw_axes_boxes (const axes::properties& props); |
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222 |
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223 void draw_axes_grids (const axes::properties& props); |
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224 void draw_axes_x_grid (const axes::properties& props); |
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225 void draw_axes_y_grid (const axes::properties& props); |
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226 void draw_axes_z_grid (const axes::properties& props); |
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227 |
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228 void draw_axes_children (const axes::properties& props); |
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229 |
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230 void draw_all_lights (const base_properties& props, |
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231 std::list<graphics_object>& obj_list); |
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233 void draw_texture_image (const octave_value cdata, |
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234 Matrix x, Matrix y, bool ortho = false); |
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235 |
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236 //-------- |
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237 |
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238 // The graphics m_toolkit associated with the figure being rendered. |
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239 graphics_toolkit m_toolkit; |
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241 // Z projection limits in windows coordinate |
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242 double m_xZ1, m_xZ2; |
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243 |
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244 // call lists identifiers for markers |
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245 unsigned int m_marker_id, m_filled_marker_id; |
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246 |
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247 // camera information for primitive sorting and lighting |
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248 ColumnVector m_camera_pos, m_camera_dir, m_view_vector; |
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249 |
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250 // interpreter to be used by text_to_pixels |
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251 caseless_str m_interpreter; |
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252 |
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253 text_renderer m_txt_renderer; |
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254 |
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255 // light object present and visible |
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256 unsigned int m_current_light; |
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257 unsigned int m_max_lights; |
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258 |
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259 // Indicate we are drawing for selection purpose |
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260 bool m_selecting; |
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261 |
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262 // Indicate we are drawing for printing purpose |
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263 bool m_printing; |
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264 }; |
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265 |
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266 OCTAVE_END_NAMESPACE(octave) |
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267 |
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268 #endif |