Mercurial > hg > orthanc-webviewer
comparison Orthanc/ImageFormats/ImageAccessor.cpp @ 0:02f7a0400a91
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Feb 2015 13:45:35 +0100 |
parents | |
children | 7a0af291cc90 |
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-1:000000000000 | 0:02f7a0400a91 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, 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 "../PrecompiledHeaders.h" | |
34 #include "ImageAccessor.h" | |
35 | |
36 #include "../OrthancException.h" | |
37 | |
38 #include <stdint.h> | |
39 #include <cassert> | |
40 #include <boost/lexical_cast.hpp> | |
41 | |
42 namespace Orthanc | |
43 { | |
44 void* ImageAccessor::GetBuffer() const | |
45 { | |
46 if (readOnly_) | |
47 { | |
48 throw OrthancException(ErrorCode_ReadOnly); | |
49 } | |
50 | |
51 return buffer_; | |
52 } | |
53 | |
54 | |
55 const void* ImageAccessor::GetConstRow(unsigned int y) const | |
56 { | |
57 if (buffer_ != NULL) | |
58 { | |
59 return reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_; | |
60 } | |
61 else | |
62 { | |
63 return NULL; | |
64 } | |
65 } | |
66 | |
67 | |
68 void* ImageAccessor::GetRow(unsigned int y) const | |
69 { | |
70 if (readOnly_) | |
71 { | |
72 throw OrthancException(ErrorCode_ReadOnly); | |
73 } | |
74 | |
75 if (buffer_ != NULL) | |
76 { | |
77 return reinterpret_cast<uint8_t*>(buffer_) + y * pitch_; | |
78 } | |
79 else | |
80 { | |
81 return NULL; | |
82 } | |
83 } | |
84 | |
85 | |
86 void ImageAccessor::AssignEmpty(PixelFormat format) | |
87 { | |
88 readOnly_ = false; | |
89 format_ = format; | |
90 width_ = 0; | |
91 height_ = 0; | |
92 pitch_ = 0; | |
93 buffer_ = NULL; | |
94 } | |
95 | |
96 | |
97 void ImageAccessor::AssignReadOnly(PixelFormat format, | |
98 unsigned int width, | |
99 unsigned int height, | |
100 unsigned int pitch, | |
101 const void *buffer) | |
102 { | |
103 readOnly_ = true; | |
104 format_ = format; | |
105 width_ = width; | |
106 height_ = height; | |
107 pitch_ = pitch; | |
108 buffer_ = const_cast<void*>(buffer); | |
109 | |
110 assert(GetBytesPerPixel() * width_ <= pitch_); | |
111 } | |
112 | |
113 | |
114 void ImageAccessor::AssignWritable(PixelFormat format, | |
115 unsigned int width, | |
116 unsigned int height, | |
117 unsigned int pitch, | |
118 void *buffer) | |
119 { | |
120 readOnly_ = false; | |
121 format_ = format; | |
122 width_ = width; | |
123 height_ = height; | |
124 pitch_ = pitch; | |
125 buffer_ = buffer; | |
126 | |
127 assert(GetBytesPerPixel() * width_ <= pitch_); | |
128 } | |
129 } |