annotate Framework/Wrappers/CairoSurface.h @ 879:12b591d5d63c am-dev

some Qt integration (wip)
author Alain Mazy <alain@mazy.be>
date Fri, 05 Jul 2019 14:52:43 +0200
parents c237e0625065
children 2d8ab34c8c91
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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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b70e9be013e4 preparing for 2019
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program 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 GNU
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15 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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21
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22 #pragma once
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23
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24 #include <Core/Images/ImageAccessor.h>
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26 #include <boost/noncopyable.hpp>
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27 #include <cairo.h>
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29 namespace OrthancStone
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30 {
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31 class CairoSurface : public boost::noncopyable
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32 {
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33 private:
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34 cairo_surface_t* surface_;
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35 unsigned int width_;
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36 unsigned int height_;
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37 unsigned int pitch_;
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38 void* buffer_;
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39 bool hasAlpha_;
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41 void Release();
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43 void Allocate(unsigned int width,
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44 unsigned int height,
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45 bool hasAlpha);
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47 public:
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48 CairoSurface() :
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49 surface_(NULL)
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50 {
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51 Allocate(0, 0, false);
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52 }
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53
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54 CairoSurface(unsigned int width,
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55 unsigned int height,
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56 bool hasAlpha) :
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57 surface_(NULL)
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58 {
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59 Allocate(width, height, hasAlpha);
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60 }
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61
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62 CairoSurface(Orthanc::ImageAccessor& accessor,
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63 bool hasAlpha);
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64
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65 ~CairoSurface()
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66 {
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67 Release();
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68 }
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70 void SetSize(unsigned int width,
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71 unsigned int height,
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72 bool hasAlpha);
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74 void Copy(const CairoSurface& other);
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75
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76 void Copy(const Orthanc::ImageAccessor& source,
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77 bool hasAlpha);
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78
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79 unsigned int GetWidth() const
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80 {
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81 return width_;
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82 }
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83
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84 unsigned int GetHeight() const
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85 {
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86 return height_;
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87 }
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88
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89 unsigned int GetPitch() const
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90 {
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91 return pitch_;
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92 }
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93
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94 const void* GetBuffer() const
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95 {
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96 return buffer_;
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97 }
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98
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99 void* GetBuffer()
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100 {
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101 return buffer_;
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102 }
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103
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104 cairo_surface_t* GetObject()
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105 {
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106 return surface_;
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107 }
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108
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109 bool HasAlpha() const
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110 {
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111 return hasAlpha_;
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112 }
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113
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114 void GetReadOnlyAccessor(Orthanc::ImageAccessor& target) const;
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115
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116 void GetWriteableAccessor(Orthanc::ImageAccessor& target);
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117 };
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118 }