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annotate libgui/graphics/Backend.h @ 26376:00f796120a6d stable

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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents d04b74f5d02e
children e3d886685813
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1 /*
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2
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3 Copyright (C) 2011-2019 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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 <https://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 (octave_Backend_h)
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24 #define octave_Backend_h 1
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25
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26 #include <QObject>
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27
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28 #include "graphics.h"
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29
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30 namespace QtHandles
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31 {
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32
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33 class Object;
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34 class ObjectProxy;
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35
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36 class Backend :
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37 public QObject,
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38 public base_graphics_toolkit
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39 {
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40 Q_OBJECT
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41
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42 public:
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43 Backend (void);
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44
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45 ~Backend (void);
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46
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47 bool is_valid (void) const { return true; }
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48
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49 void redraw_figure (const graphics_object& h) const;
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50
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51 void show_figure (const graphics_object& h) const;
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52
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53 void update (const graphics_object& obj, int pId);
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54
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55 bool initialize (const graphics_object& obj);
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56
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57 void finalize (const graphics_object& obj);
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58
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59 void print_figure (const graphics_object& go,
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60 const std::string& term,
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61 const std::string& file_cmd,
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62 const std::string& /*debug_file*/) const;
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63
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64 uint8NDArray get_pixels (const graphics_object& go) const;
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65
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66 static Object * toolkitObject (const graphics_object& go);
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67
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68 static ObjectProxy * toolkitObjectProxy (const graphics_object& go);
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69
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70 signals:
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71 void createObject (double handle);
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72 };
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74 }
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75
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76 #endif