Mercurial > octave-nkf
view libinterp/corefcn/gl2ps-renderer.cc @ 18518:0bdecd41b2dd stable
correctly size fread result (bug #41648)
* oct-stream.cc (octave_base_stream::read): When reading to EOF, don't
add extra column to the result matrix if the number of elements found
is an exact multiple of the number of rows requested.
Avoid mixed signed/unsigned comparisons.
* io.tst: New tests.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sat, 22 Feb 2014 13:06:18 -0500 |
parents | 870f3e12e163 |
children | 6a71e5030df5 3277514f36da |
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/* Copyright (C) 2009-2013 Shai Ayal 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/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #ifdef HAVE_GL2PS_H #include <cstdio> #include "lo-mappers.h" #include "oct-locbuf.h" #include "gl2ps-renderer.h" #include "gl2ps.h" void glps_renderer::draw (const graphics_object& go, const std::string print_cmd) { static bool in_draw = false; static std::string old_print_cmd; if (!in_draw) { in_draw = true; GLint buffsize = 0, state = GL2PS_OVERFLOW; GLint viewport[4]; glGetIntegerv (GL_VIEWPORT, viewport); GLint gl2ps_term; if (term.find ("eps") != std::string::npos) gl2ps_term = GL2PS_EPS; else if (term.find ("pdf") != std::string::npos) gl2ps_term = GL2PS_PDF; else if (term.find ("svg") != std::string::npos) gl2ps_term = GL2PS_SVG; else if (term.find ("ps") != std::string::npos) gl2ps_term = GL2PS_PS; else if (term.find ("pgf") != std::string::npos) gl2ps_term = GL2PS_PGF; else if (term.find ("tex") != std::string::npos) gl2ps_term = GL2PS_TEX; else { error ("gl2ps-renderer:: Unknown terminal"); return; } GLint gl2ps_text = 0; if (term.find ("notxt") != std::string::npos) gl2ps_text = GL2PS_NO_TEXT; // Default sort order optimizes for 3D plots GLint gl2ps_sort = GL2PS_BSP_SORT; if (term.find ("is2D") != std::string::npos) gl2ps_sort = GL2PS_NO_SORT; while (state == GL2PS_OVERFLOW) { // For LaTeX output the fltk print process uses 2 drawnow() commands. // The first one is for the pdf/ps/eps graph to be included. The // print_cmd is saved as old_print_cmd. Then the second drawnow() // outputs the tex-file and the graphic filename to be included is // extracted from old_print_cmd. std::string include_graph; std::size_t found_redirect = old_print_cmd.find (">"); if (found_redirect != std::string::npos) include_graph = old_print_cmd.substr (found_redirect + 1); else include_graph = old_print_cmd; std::size_t n_begin = include_graph.find_first_not_of (" "); if (n_begin != std::string::npos) { std::size_t n_end = include_graph.find_last_not_of (" "); include_graph = include_graph.substr (n_begin, n_end - n_begin + 1); } else include_graph = "foobar-inc"; buffsize += 1024*1024; gl2psBeginPage ("glps_renderer figure", "Octave", viewport, gl2ps_term, gl2ps_sort, (GL2PS_SILENT | GL2PS_SIMPLE_LINE_OFFSET | GL2PS_NO_BLENDING | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT | gl2ps_text | GL2PS_NO_PS3_SHADING), GL_RGBA, 0, NULL, 0, 0, 0, buffsize, fp, include_graph.c_str ()); old_print_cmd = print_cmd; opengl_renderer::draw (go); state = gl2psEndPage (); } in_draw = 0; } else opengl_renderer::draw (go); } int glps_renderer::alignment_to_mode (int ha, int va) const { int gl2psa=GL2PS_TEXT_BL; if (ha == 0) { if (va == 0 || va == 3) gl2psa=GL2PS_TEXT_BL; else if (va == 2) gl2psa=GL2PS_TEXT_TL; else if (va == 1) gl2psa=GL2PS_TEXT_CL; } else if (ha == 2) { if (va == 0 || va == 3) gl2psa=GL2PS_TEXT_BR; else if (va == 2) gl2psa=GL2PS_TEXT_TR; else if (va == 1) gl2psa=GL2PS_TEXT_CR; } else if (ha == 1) { if (va == 0 || va == 3) gl2psa=GL2PS_TEXT_B; else if (va == 2) gl2psa=GL2PS_TEXT_T; else if (va == 1) gl2psa=GL2PS_TEXT_C; } return gl2psa; } Matrix glps_renderer::render_text (const std::string& txt, double x, double y, double z, int ha, int va, double rotation) { if (txt.empty ()) return Matrix (1, 4, 0.0); glRasterPos3d (x, y, z); gl2psTextOpt (txt.c_str (), fontname.c_str (), fontsize, alignment_to_mode (ha, va), rotation); // FIXME? // We have no way of getting a bounding box from gl2ps, so we use freetype. Matrix bbox; uint8NDArray pixels; text_to_pixels (txt, pixels, bbox, 0, 0, rotation); return bbox; } void glps_renderer::set_font (const base_properties& props) { opengl_renderer::set_font (props); fontsize = props.get ("fontsize").double_value (); caseless_str fn = props.get ("fontname").string_value (); fontname = ""; if (fn == "times" || fn == "times-roman") fontname = "Times-Roman"; else if (fn == "courier") fontname = "Courier"; else if (fn == "symbol") fontname = "Symbol"; else if (fn == "zapfdingbats") fontname = "ZapfDingbats"; else fontname = "Helvetica"; // FIXME: add support for bold and italic } template <typename T> static void draw_pixels (GLsizei w, GLsizei h, GLenum format, const T *data) { OCTAVE_LOCAL_BUFFER (GLfloat, a, 3*w*h); for (int i = 0; i < 3*w*h; i++) a[i] = data[i]; gl2psDrawPixels (w, h, 0, 0, format, GL_FLOAT, a); } void glps_renderer::draw_pixels (GLsizei w, GLsizei h, GLenum format, GLenum type, const GLvoid *data) { if (type == GL_UNSIGNED_SHORT) ::draw_pixels (w, h, format, static_cast<const GLushort *> (data)); else if (type == GL_UNSIGNED_BYTE) ::draw_pixels (w, h, format, static_cast<const GLubyte *> (data)); else gl2psDrawPixels (w, h, 0, 0, format, type, data); } void glps_renderer::draw_text (const text::properties& props) { if (props.get_string ().is_empty ()) return; set_font (props); set_color (props.get_color_rgb ()); const Matrix pos = get_transform ().scale (props.get_data_position ()); int halign = 0, valign = 0; if (props.horizontalalignment_is ("center")) halign = 1; else if (props.horizontalalignment_is ("right")) halign = 2; if (props.verticalalignment_is ("top")) valign = 2; else if (props.verticalalignment_is ("baseline")) valign = 3; else if (props.verticalalignment_is ("middle")) valign = 1; // FIXME: handle margin and surrounding box glRasterPos3d (pos(0), pos(1), pos.numel () > 2 ? pos(2) : 0.0); octave_value string_prop = props.get_string (); string_vector sv = string_prop.all_strings (); std::string s = sv.join ("\n"); gl2psTextOpt (s.c_str (), fontname.c_str (), fontsize, alignment_to_mode (halign, valign), props.get_rotation ()); } #endif