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annotate libinterp/corefcn/gl2ps-renderer.h @ 17535:c12c688a35ed default tip lyh

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Fix warnings
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents 68fc671a9339
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2009-2012 Shai Ayal
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (gl2ps_renderer_h)
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24 #define gl2ps_renderer_h 1
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25
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26 #include "gl-render.h"
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27 #include "gl2ps.h"
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28
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29 class
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30 OCTINTERP_API
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31 glps_renderer : public opengl_renderer
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32 {
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33 public:
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34 glps_renderer (FILE *_fp, const std::string& _term)
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35 : opengl_renderer () , fp (_fp), term (_term),
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36 fontsize (), fontname () { }
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37
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38 ~glps_renderer (void) { }
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39
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40 void draw (const graphics_object& go, const std::string print_cmd);
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41
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42 protected:
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43
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44 Matrix render_text (const std::string& txt,
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45 double x, double y, double z,
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46 int halign, int valign, double rotation = 0.0);
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47
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48
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49 void set_font (const base_properties& props);
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50
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51 void draw_text (const text::properties& props);
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52 void draw_pixels (GLsizei w, GLsizei h, GLenum format,
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53 GLenum type, const GLvoid *data);
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54
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55 void set_linestyle (const std::string& s, bool use_stipple = false)
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56 {
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57 opengl_renderer::set_linestyle (s, use_stipple);
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58
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59 if (s == "-" && ! use_stipple)
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60 gl2psDisable (GL2PS_LINE_STIPPLE);
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61 else
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62 gl2psEnable (GL2PS_LINE_STIPPLE);
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63 }
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64
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65 void set_polygon_offset (bool on, double offset = 0.0)
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66 {
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67 opengl_renderer::set_polygon_offset (on, offset);
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68 if (on)
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69 gl2psEnable (GL2PS_POLYGON_OFFSET_FILL);
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70 else
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71 gl2psDisable (GL2PS_POLYGON_OFFSET_FILL);
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72 }
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73
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74 void set_linewidth (float w)
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75 {
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76 gl2psLineWidth (w);
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77 }
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78
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79 private:
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80 int alignment_to_mode (int ha, int va) const;
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81 FILE *fp;
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82 caseless_str term;
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83 double fontsize;
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84 std::string fontname;
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85 };
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86
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87 #endif