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annotate libgui/graphics/gl-select.h @ 20038:f0e61a67ad9f

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Update copyright year in Qt graphics code.
author John W. Eaton <jwe@octave.org>
date Fri, 20 Mar 2015 16:18:10 -0400
parents 49877d3be064
children e05fe4260252
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1 /*
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2
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3 Copyright (C) 2011-2015 Michael Goffioul
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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 #ifndef __QtHandles_gl_selector__
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24 #define __QtHandles_gl_selector__ 1
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25
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26 #include "gl-render.h"
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27
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28 #include <map>
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29
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30 enum select_flags
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31 {
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32 select_ignore_hittest = 0x01,
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33 select_last = 0x02
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34 };
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35
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36 class opengl_selector : public opengl_renderer
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37 {
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38 public:
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39 opengl_selector (void) : size (5) { }
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40
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41 virtual ~opengl_selector (void) { }
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42
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43 graphics_object select (const graphics_object& ax, int x, int y,
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44 int flags = 0);
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45
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46 virtual void draw (const graphics_object& go, bool toplevel = true);
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47
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48 protected:
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49 virtual void draw_text (const text::properties& props);
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50
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51 virtual void setup_opengl_transformation (const axes::properties& props);
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52
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53 virtual void init_marker (const std::string& m, double size, float width);
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54
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55 virtual Matrix render_text (const std::string& txt,
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56 double x, double y, double z,
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57 int halign, int valign, double rotation = 0.0);
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58
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59 private:
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60 void apply_pick_matrix (void);
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61
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62 void fake_text (double x, double y, double z, const Matrix& bbox,
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63 bool use_scale = true);
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64
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65 private:
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66 // The mouse coordinate of the selection/picking point
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67 int xp, yp;
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68
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69 // The size (in pixels) of the picking window
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70 int size;
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71
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72 // The OpenGL name mapping
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73 std::map<GLuint, graphics_object> object_map;
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74 };
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75
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76 #endif // __QtHandles_gl_selector__