Mercurial > hg > orthanc
annotate Core/ImageFormats/ImageBuffer.cpp @ 853:839be3022203 jpeg
DicomImageInformation
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 06 Jun 2014 11:45:16 +0200 |
parents | 502c49adb5ad |
children | 80c7e53a69b5 |
rev | line source |
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801 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
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precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
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33 #include "../PrecompiledHeaders.h" |
801 | 34 #include "ImageBuffer.h" |
35 | |
36 namespace Orthanc | |
37 { | |
38 void ImageBuffer::Allocate() | |
39 { | |
40 if (changed_) | |
41 { | |
844 | 42 /* |
43 if (forceMinimalPitch_) | |
44 { | |
45 TODO: Align pitch and memory buffer to optimal size for SIMD. | |
46 } | |
47 */ | |
48 | |
801 | 49 pitch_ = GetBytesPerPixel() * width_; |
50 | |
51 data_.resize(pitch_ * height_); | |
52 if (data_.size() > 0) | |
53 { | |
54 buffer_ = &data_[0]; | |
55 } | |
56 else | |
57 { | |
58 buffer_ = 0; | |
59 } | |
60 | |
61 changed_ = false; | |
62 } | |
63 } | |
64 | |
65 | |
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66 ImageBuffer::ImageBuffer(unsigned int width, |
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67 unsigned int height, |
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68 PixelFormat format) |
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69 { |
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70 Initialize(); |
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71 SetWidth(width); |
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72 SetHeight(height); |
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73 SetFormat(format); |
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74 } |
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75 |
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76 |
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77 void ImageBuffer::Initialize() |
801 | 78 { |
79 changed_ = false; | |
844 | 80 forceMinimalPitch_ = true; |
801 | 81 format_ = PixelFormat_Grayscale8; |
82 width_ = 0; | |
83 height_ = 0; | |
84 pitch_ = 0; | |
85 buffer_ = NULL; | |
86 } | |
87 | |
88 | |
89 void ImageBuffer::SetFormat(PixelFormat format) | |
90 { | |
91 changed_ = true; | |
92 format_ = format; | |
93 } | |
94 | |
95 | |
96 void ImageBuffer::SetWidth(unsigned int width) | |
97 { | |
98 changed_ = true; | |
99 width_ = width; | |
100 } | |
101 | |
102 | |
103 void ImageBuffer::SetHeight(unsigned int height) | |
104 { | |
105 changed_ = true; | |
106 height_ = height; | |
107 } | |
108 | |
109 | |
110 ImageAccessor ImageBuffer::GetAccessor() | |
111 { | |
112 Allocate(); | |
113 | |
114 ImageAccessor accessor; | |
115 accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); | |
116 return accessor; | |
117 } | |
118 | |
119 | |
120 ImageAccessor ImageBuffer::GetConstAccessor() | |
121 { | |
122 Allocate(); | |
123 | |
124 ImageAccessor accessor; | |
125 accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); | |
126 return accessor; | |
127 } | |
844 | 128 |
129 | |
130 void ImageBuffer::SetMinimalPitchForced(bool force) | |
131 { | |
132 changed_ = true; | |
133 forceMinimalPitch_ = force; | |
134 } | |
801 | 135 } |