Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Wrappers/CairoSurface.h @ 1741:62377949e739
todo
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 19 Jan 2021 16:12:43 +0100 |
parents | 9ac2a65d4172 |
children | 3889ae96d2e9 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
0 | 6 * |
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 Lesser General Public License |
47 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
0 | 11 * |
12 * This program is distributed in the hope that it will be useful, but | |
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 * Lesser 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 Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
0 | 20 **/ |
21 | |
22 | |
23 #pragma once | |
24 | |
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25 #include <Images/ImageAccessor.h> |
0 | 26 |
27 #include <boost/noncopyable.hpp> | |
28 #include <cairo.h> | |
29 | |
30 namespace OrthancStone | |
31 { | |
32 class CairoSurface : public boost::noncopyable | |
33 { | |
34 private: | |
35 cairo_surface_t* surface_; | |
36 unsigned int width_; | |
37 unsigned int height_; | |
38 unsigned int pitch_; | |
39 void* buffer_; | |
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40 bool hasAlpha_; |
0 | 41 |
42 void Release(); | |
43 | |
44 void Allocate(unsigned int width, | |
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45 unsigned int height, |
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46 bool hasAlpha); |
0 | 47 |
48 public: | |
49 CairoSurface() : | |
50 surface_(NULL) | |
51 { | |
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52 Allocate(0, 0, false); |
0 | 53 } |
54 | |
55 CairoSurface(unsigned int width, | |
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56 unsigned int height, |
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57 bool hasAlpha) : |
0 | 58 surface_(NULL) |
59 { | |
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60 Allocate(width, height, hasAlpha); |
0 | 61 } |
62 | |
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63 CairoSurface(Orthanc::ImageAccessor& accessor, |
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64 bool hasAlpha); |
0 | 65 |
66 ~CairoSurface() | |
67 { | |
68 Release(); | |
69 } | |
70 | |
71 void SetSize(unsigned int width, | |
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72 unsigned int height, |
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73 bool hasAlpha); |
0 | 74 |
75 void Copy(const CairoSurface& other); | |
76 | |
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77 void Copy(const Orthanc::ImageAccessor& source, |
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78 bool hasAlpha); |
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79 |
0 | 80 unsigned int GetWidth() const |
81 { | |
82 return width_; | |
83 } | |
84 | |
85 unsigned int GetHeight() const | |
86 { | |
87 return height_; | |
88 } | |
89 | |
90 unsigned int GetPitch() const | |
91 { | |
92 return pitch_; | |
93 } | |
94 | |
95 const void* GetBuffer() const | |
96 { | |
97 return buffer_; | |
98 } | |
99 | |
100 void* GetBuffer() | |
101 { | |
102 return buffer_; | |
103 } | |
104 | |
105 cairo_surface_t* GetObject() | |
106 { | |
107 return surface_; | |
108 } | |
109 | |
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110 bool HasAlpha() const |
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111 { |
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112 return hasAlpha_; |
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113 } |
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114 |
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115 void GetReadOnlyAccessor(Orthanc::ImageAccessor& target) const; |
0 | 116 |
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117 void GetWriteableAccessor(Orthanc::ImageAccessor& target); |
0 | 118 }; |
119 } |