annotate Framework/Viewport/CairoSurface.h @ 438:237160cbb44f am-vsol-upgrade

allow derivation of RadiographyScene
author am@osimis.io
date Thu, 20 Dec 2018 18:24:52 +0100
parents 557c8ff1db5c
children b70e9be013e4
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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) 2017-2018 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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22 #pragma once
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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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40 void Release();
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42 void Allocate(unsigned int width,
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43 unsigned int height);
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45 public:
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46 CairoSurface() :
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47 surface_(NULL)
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48 {
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49 Allocate(0, 0);
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50 }
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52 CairoSurface(unsigned int width,
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53 unsigned int height) :
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54 surface_(NULL)
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55 {
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56 Allocate(width, height);
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57 }
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59 CairoSurface(Orthanc::ImageAccessor& accessor);
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61 ~CairoSurface()
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62 {
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63 Release();
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64 }
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66 void SetSize(unsigned int width,
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67 unsigned int height);
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68
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69 void Copy(const CairoSurface& other);
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71 unsigned int GetWidth() const
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72 {
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73 return width_;
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74 }
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76 unsigned int GetHeight() const
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77 {
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78 return height_;
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79 }
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81 unsigned int GetPitch() const
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82 {
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83 return pitch_;
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84 }
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86 const void* GetBuffer() const
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87 {
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88 return buffer_;
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89 }
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91 void* GetBuffer()
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92 {
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93 return buffer_;
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94 }
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96 cairo_surface_t* GetObject()
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97 {
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98 return surface_;
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99 }
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100
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101 void GetReadOnlyAccessor(Orthanc::ImageAccessor& target) const;
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102
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103 void GetWriteableAccessor(Orthanc::ImageAccessor& target);
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104 };
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105 }