Mercurial > hg > orthanc
comparison Core/ImageFormats/ImageBuffer.cpp @ 801:262feb14f92f
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 May 2014 16:35:21 +0200 |
parents | |
children | a811bdf8b8eb |
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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 | |
33 #include "ImageBuffer.h" | |
34 | |
35 namespace Orthanc | |
36 { | |
37 void ImageBuffer::Allocate() | |
38 { | |
39 if (changed_) | |
40 { | |
41 pitch_ = GetBytesPerPixel() * width_; | |
42 | |
43 data_.resize(pitch_ * height_); | |
44 if (data_.size() > 0) | |
45 { | |
46 buffer_ = &data_[0]; | |
47 } | |
48 else | |
49 { | |
50 buffer_ = 0; | |
51 } | |
52 | |
53 changed_ = false; | |
54 } | |
55 } | |
56 | |
57 | |
58 ImageBuffer::ImageBuffer() : changed_(false) | |
59 { | |
60 changed_ = false; | |
61 format_ = PixelFormat_Grayscale8; | |
62 width_ = 0; | |
63 height_ = 0; | |
64 pitch_ = 0; | |
65 buffer_ = NULL; | |
66 } | |
67 | |
68 | |
69 void ImageBuffer::SetFormat(PixelFormat format) | |
70 { | |
71 changed_ = true; | |
72 format_ = format; | |
73 } | |
74 | |
75 | |
76 void ImageBuffer::SetWidth(unsigned int width) | |
77 { | |
78 changed_ = true; | |
79 width_ = width; | |
80 } | |
81 | |
82 | |
83 void ImageBuffer::SetHeight(unsigned int height) | |
84 { | |
85 changed_ = true; | |
86 height_ = height; | |
87 } | |
88 | |
89 | |
90 ImageAccessor ImageBuffer::GetAccessor() | |
91 { | |
92 Allocate(); | |
93 | |
94 ImageAccessor accessor; | |
95 accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); | |
96 return accessor; | |
97 } | |
98 | |
99 | |
100 ImageAccessor ImageBuffer::GetConstAccessor() | |
101 { | |
102 Allocate(); | |
103 | |
104 ImageAccessor accessor; | |
105 accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); | |
106 return accessor; | |
107 } | |
108 } |