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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "../Orthanc/Core/Images/ImageAccessor.h"
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36
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37 #include <boost/noncopyable.hpp>
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38 #include <cairo.h>
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39
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40 namespace OrthancStone
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41 {
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42 class CairoSurface : public boost::noncopyable
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43 {
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44 private:
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45 cairo_surface_t* surface_;
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46 unsigned int width_;
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47 unsigned int height_;
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48 unsigned int pitch_;
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49 void* buffer_;
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50
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51 void Release();
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52
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53 void Allocate(unsigned int width,
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54 unsigned int height);
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55
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56 public:
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57 CairoSurface() :
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58 surface_(NULL)
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59 {
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60 Allocate(0, 0);
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61 }
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62
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63 CairoSurface(unsigned int width,
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64 unsigned int height) :
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65 surface_(NULL)
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66 {
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67 Allocate(width, height);
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68 }
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69
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70 CairoSurface(Orthanc::ImageAccessor& accessor);
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71
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72 ~CairoSurface()
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73 {
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74 Release();
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75 }
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76
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77 void SetSize(unsigned int width,
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78 unsigned int height);
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79
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80 void Copy(const CairoSurface& other);
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81
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82 unsigned int GetWidth() const
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83 {
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84 return width_;
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85 }
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86
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87 unsigned int GetHeight() const
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88 {
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89 return height_;
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90 }
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91
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92 unsigned int GetPitch() const
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93 {
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94 return pitch_;
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95 }
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96
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97 const void* GetBuffer() const
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98 {
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99 return buffer_;
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100 }
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101
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102 void* GetBuffer()
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103 {
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104 return buffer_;
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105 }
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106
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107 cairo_surface_t* GetObject()
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108 {
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109 return surface_;
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110 }
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111
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112 Orthanc::ImageAccessor GetConstAccessor() const;
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113
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114 Orthanc::ImageAccessor GetAccessor();
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115 };
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116 }
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