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comparison Core/ImageFormats/ImageProcessing.cpp @ 859:610a9a1ed855 jpeg

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ImageProcessing::Convert
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 06 Jun 2014 18:12:31 +0200
parents ff530685e46a
children 80c7e53a69b5
comparison
equal deleted inserted replaced
858:ebc41566f742 859:610a9a1ed855
35 35
36 #include "../OrthancException.h" 36 #include "../OrthancException.h"
37 37
38 #include <cassert> 38 #include <cassert>
39 #include <string.h> 39 #include <string.h>
40 #include <limits>
41 #include <stdint.h>
42
43 #include <stdio.h>
40 44
41 namespace Orthanc 45 namespace Orthanc
42 { 46 {
47 template <typename TargetType, typename SourceType>
48 static void ConvertInternal(ImageAccessor& target,
49 const ImageAccessor& source)
50 {
51 const TargetType minValue = std::numeric_limits<TargetType>::min();
52 const TargetType maxValue = std::numeric_limits<TargetType>::max();
53
54 for (unsigned int y = 0; y < source.GetHeight(); y++)
55 {
56 TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y));
57 const SourceType* s = reinterpret_cast<const SourceType*>(source.GetConstRow(y));
58
59 for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s++)
60 {
61 if (static_cast<int32_t>(*s) < static_cast<int32_t>(minValue))
62 {
63 *t = minValue;
64 }
65 else if (static_cast<int32_t>(*s) > static_cast<int32_t>(maxValue))
66 {
67 *t = maxValue;
68 }
69 else
70 {
71 *t = static_cast<TargetType>(*s);
72 }
73 }
74 }
75 }
76
77
78
43 void ImageProcessing::Copy(ImageAccessor& target, 79 void ImageProcessing::Copy(ImageAccessor& target,
44 const ImageAccessor& source) 80 const ImageAccessor& source)
45 { 81 {
46 if (target.GetWidth() != source.GetWidth() || 82 if (target.GetWidth() != source.GetWidth() ||
47 target.GetHeight() != source.GetHeight()) 83 target.GetHeight() != source.GetHeight())
78 { 114 {
79 Copy(target, source); 115 Copy(target, source);
80 return; 116 return;
81 } 117 }
82 118
119 if (target.GetFormat() == PixelFormat_Grayscale16 &&
120 source.GetFormat() == PixelFormat_Grayscale8)
121 {
122 ConvertInternal<uint16_t, uint8_t>(target, source);
123 return;
124 }
125
126 if (target.GetFormat() == PixelFormat_SignedGrayscale16 &&
127 source.GetFormat() == PixelFormat_Grayscale8)
128 {
129 ConvertInternal<int16_t, uint8_t>(target, source);
130 return;
131 }
132
133 if (target.GetFormat() == PixelFormat_Grayscale8 &&
134 source.GetFormat() == PixelFormat_Grayscale16)
135 {
136 printf("ICI\n");
137 ConvertInternal<uint8_t, uint16_t>(target, source);
138 return;
139 }
140
141 if (target.GetFormat() == PixelFormat_SignedGrayscale16 &&
142 source.GetFormat() == PixelFormat_Grayscale16)
143 {
144 ConvertInternal<int16_t, uint16_t>(target, source);
145 return;
146 }
147
148 if (target.GetFormat() == PixelFormat_Grayscale8 &&
149 source.GetFormat() == PixelFormat_SignedGrayscale16)
150 {
151 printf("ICI2\n");
152 ConvertInternal<uint8_t, int16_t>(target, source);
153 return;
154 }
155
156 if (target.GetFormat() == PixelFormat_Grayscale16 &&
157 source.GetFormat() == PixelFormat_SignedGrayscale16)
158 {
159 ConvertInternal<uint16_t, int16_t>(target, source);
160 return;
161 }
162
83 throw OrthancException(ErrorCode_NotImplemented); 163 throw OrthancException(ErrorCode_NotImplemented);
84 } 164 }
85 165
86 166
87 void ImageProcessing::ShiftRight(ImageAccessor& image, 167 void ImageProcessing::ShiftRight(ImageAccessor& image,