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annotate libinterp/corefcn/base-text-renderer.h @ 29358:0a5b15007766 stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 09:52:15 -0500
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2009-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_base_text_renderer_h)
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27 #define octave_base_text_renderer_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <list>
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32 #include <string>
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33
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34 #include "dMatrix.h"
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35 #include "oct-map.h"
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36 #include "uint8NDArray.h"
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37
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38 #include "text-engine.h"
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39 #include "text-renderer.h"
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40
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41 namespace octave
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42 {
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43 class
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44 base_text_renderer : public text_processor
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45 {
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46 public:
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47
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48 base_text_renderer (void) : text_processor () { }
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49
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50 // No copying!
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51
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52 base_text_renderer (const base_text_renderer&) = delete;
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53
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54 base_text_renderer& operator = (const base_text_renderer&) = delete;
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55
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56 virtual ~base_text_renderer (void) = default;
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57
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58 virtual void
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59 set_anti_aliasing (bool val) = 0;
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60
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61 virtual Matrix
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62 get_extent (text_element *elt, double rotation) = 0;
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63
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64 virtual Matrix
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65 get_extent (const std::string& txt, double rotation,
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66 const caseless_str& interpreter) = 0;
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67
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68 virtual void
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69 set_font (const std::string& name, const std::string& weight,
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70 const std::string& angle, double size) = 0;
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71
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72 virtual octave_map
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73 get_system_fonts (void) = 0;
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74
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75 virtual void set_color (const Matrix& c) = 0;
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76
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77 virtual void
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78 text_to_pixels (const std::string& txt, uint8NDArray& pxls,
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79 Matrix& bbox, int halign, int valign, double rotation,
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80 const caseless_str& interpreter,
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81 bool handle_rotation) = 0;
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82
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83 virtual void
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84 text_to_strlist (const std::string& txt,
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85 std::list<text_renderer::string>& lst,
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86 Matrix& box, int halign, int valign, double rotation,
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87 const caseless_str& interpreter = "tex") = 0;
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88 };
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89 }
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90
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91 #endif