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annotate OrthancStone/Sources/Wrappers/CairoSurface.h @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 9ac2a65d4172
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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28956ed68280 agpl license
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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24 #pragma once
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25
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26 #include <Images/ImageAccessor.h>
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28 #include <boost/noncopyable.hpp>
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29 #include <cairo.h>
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30
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31 namespace OrthancStone
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32 {
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33 class CairoSurface : public boost::noncopyable
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34 {
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35 private:
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36 cairo_surface_t* surface_;
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37 unsigned int width_;
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38 unsigned int height_;
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39 unsigned int pitch_;
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40 void* buffer_;
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41 bool hasAlpha_;
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43 void Release();
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45 void Allocate(unsigned int width,
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46 unsigned int height,
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47 bool hasAlpha);
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49 public:
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50 CairoSurface() :
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51 surface_(NULL)
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52 {
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53 Allocate(0, 0, false);
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54 }
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56 CairoSurface(unsigned int width,
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57 unsigned int height,
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58 bool hasAlpha) :
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59 surface_(NULL)
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60 {
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61 Allocate(width, height, hasAlpha);
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62 }
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63
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64 CairoSurface(Orthanc::ImageAccessor& accessor,
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65 bool hasAlpha);
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66
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67 ~CairoSurface()
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68 {
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69 Release();
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70 }
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72 void SetSize(unsigned int width,
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73 unsigned int height,
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74 bool hasAlpha);
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76 void Copy(const CairoSurface& other);
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78 void Copy(const Orthanc::ImageAccessor& source,
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79 bool hasAlpha);
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80
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81 unsigned int GetWidth() const
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82 {
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83 return width_;
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84 }
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85
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86 unsigned int GetHeight() const
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87 {
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88 return height_;
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89 }
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90
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91 unsigned int GetPitch() const
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92 {
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93 return pitch_;
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94 }
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96 const void* GetBuffer() const
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97 {
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98 return buffer_;
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99 }
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100
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101 void* GetBuffer()
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102 {
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103 return buffer_;
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104 }
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105
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106 cairo_surface_t* GetObject()
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107 {
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108 return surface_;
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109 }
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110
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111 bool HasAlpha() const
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112 {
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113 return hasAlpha_;
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114 }
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115
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116 void GetReadOnlyAccessor(Orthanc::ImageAccessor& target) const;
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117
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118 void GetWriteableAccessor(Orthanc::ImageAccessor& target);
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119 };
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120 }