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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "../PrecompiledHeaders.h"
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34 #include "ImageProcessing.h"
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35
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36 #include "../OrthancException.h"
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37
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38 #include <cassert>
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39 #include <string.h>
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40
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41 namespace Orthanc
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42 {
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43 void ImageProcessing::Copy(ImageAccessor& target,
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44 const ImageAccessor& source)
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45 {
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46 if (target.GetWidth() != source.GetWidth() ||
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47 target.GetHeight() != source.GetHeight())
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48 {
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49 throw OrthancException(ErrorCode_IncompatibleImageSize);
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50 }
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51
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52 if (target.GetFormat() != source.GetFormat())
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53 {
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54 throw OrthancException(ErrorCode_IncompatibleImageFormat);
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55 }
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56
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57 unsigned int lineSize = GetBytesPerPixel(source.GetFormat()) * source.GetWidth();
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58
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59 assert(source.GetPitch() >= lineSize && target.GetPitch() >= lineSize);
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60
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61 for (unsigned int y = 0; y < source.GetHeight(); y++)
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62 {
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63 memcpy(target.GetRow(y), source.GetRow(y), lineSize);
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64 }
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65 }
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66
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67 void ImageProcessing::Convert(ImageAccessor& target,
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68 const ImageAccessor& source)
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69 {
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70 if (target.GetWidth() != source.GetWidth() ||
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71 target.GetHeight() != source.GetHeight())
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72 {
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73 throw OrthancException(ErrorCode_IncompatibleImageSize);
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74 }
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75
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76 if (source.GetFormat() == target.GetFormat())
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77 {
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78 Copy(target, source);
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79 return;
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80 }
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81 }
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82 }
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