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comparison Core/ImageFormats/ImageProcessing.cpp @ 853:839be3022203 jpeg

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DicomImageInformation
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 06 Jun 2014 11:45:16 +0200
parents
children ff530685e46a
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852:5944b8b80842 853:839be3022203
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 "../PrecompiledHeaders.h"
34 #include "ImageProcessing.h"
35
36 #include "../OrthancException.h"
37
38 #include <cassert>
39 #include <string.h>
40
41 namespace Orthanc
42 {
43 void ImageProcessing::Copy(ImageAccessor& target,
44 const ImageAccessor& source)
45 {
46 if (target.GetWidth() != source.GetWidth() ||
47 target.GetHeight() != source.GetHeight())
48 {
49 throw OrthancException(ErrorCode_IncompatibleImageSize);
50 }
51
52 if (target.GetFormat() != source.GetFormat())
53 {
54 throw OrthancException(ErrorCode_IncompatibleImageFormat);
55 }
56
57 unsigned int lineSize = GetBytesPerPixel(source.GetFormat()) * source.GetWidth();
58
59 assert(source.GetPitch() >= lineSize && target.GetPitch() >= lineSize);
60
61 for (unsigned int y = 0; y < source.GetHeight(); y++)
62 {
63 memcpy(target.GetRow(y), source.GetRow(y), lineSize);
64 }
65 }
66
67 void ImageProcessing::Convert(ImageAccessor& target,
68 const ImageAccessor& source)
69 {
70 if (target.GetWidth() != source.GetWidth() ||
71 target.GetHeight() != source.GetHeight())
72 {
73 throw OrthancException(ErrorCode_IncompatibleImageSize);
74 }
75
76 if (source.GetFormat() == target.GetFormat())
77 {
78 Copy(target, source);
79 return;
80 }
81 }
82 }