Mercurial > octave
view libinterp/dldfcn/__init_gnuplot__.cc @ 21200:fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
* builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc,
__ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc,
balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc,
c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc,
defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc,
errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc,
find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc,
givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc,
hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc,
jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc,
lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc,
ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc,
mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc,
oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc,
octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc,
profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc,
tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc,
utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc,
symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, 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-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.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-float-conv.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-int-conv.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-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, pt-arg-list.cc,
pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc,
pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc:
Indent #ifdef blocks in libinterp.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 05 Feb 2016 16:29:08 -0800 |
parents | a65b906e25bc |
children | d78e45987d6a |
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/* Copyright (C) 2007-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ /* To initialize: graphics_toolkit ("gnuplot"); plot (randn (1e3, 1)); */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include "builtins.h" #include "defun-dld.h" #include "error.h" #include "file-stat.h" #include "graphics.h" #include "oct-conf.h" #include "oct-env.h" #include "parse.h" #include "utils.h" #include "variables.h" // PKG_ADD: if (__have_gnuplot__ ()) register_graphics_toolkit ("gnuplot"); endif static bool toolkit_loaded = false; class gnuplot_graphics_toolkit : public base_graphics_toolkit { public: gnuplot_graphics_toolkit (void) : base_graphics_toolkit ("gnuplot") { } ~gnuplot_graphics_toolkit (void) { } bool is_valid (void) const { return true; } bool initialize (const graphics_object& go) { return go.isa ("figure"); } void finalize (const graphics_object& go) { if (go.isa ("figure")) { const figure::properties& props = dynamic_cast<const figure::properties&> (go.get_properties ()); send_quit (props.get___plot_stream__ ()); } } void update (const graphics_object& go, int id) { if (go.isa ("figure")) { graphics_object obj (go); figure::properties& props = dynamic_cast<figure::properties&> (obj.get_properties ()); switch (id) { case base_properties::ID_VISIBLE: if (! props.is_visible ()) { send_quit (props.get___plot_stream__ ()); props.set___plot_stream__ (Matrix ()); props.set___enhanced__ (false); } break; } } } void redraw_figure (const graphics_object& go) const { octave_value_list args; args(0) = go.get_handle ().as_octave_value (); feval ("__gnuplot_drawnow__", args); } void print_figure (const graphics_object& go, const std::string& term, const std::string& file, bool mono, const std::string& debug_file) const { octave_value_list args; if (! debug_file.empty ()) args(4) = debug_file; args(3) = mono; args(2) = file; args(1) = term; args(0) = go.get_handle ().as_octave_value (); feval ("__gnuplot_drawnow__", args); } Matrix get_canvas_size (const graphics_handle&) const { Matrix sz (1, 2, 0.0); return sz; } double get_screen_resolution (void) const { return 72.0; } Matrix get_screen_size (void) const { return Matrix (1, 2, 0.0); } void close (void) { if (toolkit_loaded) { munlock ("__init_gnuplot__"); gtk_manager::unload_toolkit ("gnuplot"); toolkit_loaded = false; } } private: void send_quit (const octave_value& pstream) const { if (! pstream.is_empty ()) { octave_value_list args; Matrix fids = pstream.matrix_value (); Ffputs (ovl (fids(0), "\nquit;\n")); Ffflush (ovl (fids(0))); Fpclose (ovl (fids(0))); if (fids.numel () > 1) { Fpclose (ovl (fids(1))); if (fids.numel () > 2) Fwaitpid (ovl (fids(2))); } } } }; static bool have_gnuplot_binary (void) { const std::string exeext = octave::config::EXEEXT; const std::string path = octave_env::getenv ("PATH"); octave_value_list tmp = feval ("gnuplot_binary", octave_value_list ()); std::string gnuplot_binary = tmp(0).string_value (); string_vector args (gnuplot_binary); std::string gnuplot_path = search_path_for_file (path, args); file_stat fs (gnuplot_path); if (! fs.exists () && ! exeext.empty ()) { args[0] += exeext; gnuplot_path = search_path_for_file (path, args); fs = file_stat (gnuplot_path); } return fs.exists (); } // Initialize the gnuplot graphics toolkit. DEFUN_DLD (__init_gnuplot__, , , "") { octave_value retval; if (! have_gnuplot_binary ()) error ("__init_gnuplot__: the gnuplot program is not available, see 'gnuplot_binary'"); else if (! toolkit_loaded) { mlock (); graphics_toolkit tk (new gnuplot_graphics_toolkit ()); gtk_manager::load_toolkit (tk); toolkit_loaded = true; } return retval; } DEFUN_DLD (__have_gnuplot__, , , "-*- texinfo -*-\n\ @deftypefn {} {@var{gnuplot_available} =} __have_gnuplot__ ()\n\ Undocumented internal function.\n\ @end deftypefn") { octave_value retval; retval = have_gnuplot_binary (); return retval; }