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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, 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 Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "Jpeg2000Writer.h"
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22
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23 #include "Orthanc/Core/ChunkedBuffer.h"
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24 #include "Orthanc/Core/OrthancException.h"
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25
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26 #include <openjpeg.h>
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27 #include <string.h>
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28 #include <vector>
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29
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30 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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31 # define OPJ_CLRSPC_GRAY CLRSPC_GRAY
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32 # define OPJ_CLRSPC_SRGB CLRSPC_SRGB
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33 # define OPJ_CODEC_J2K CODEC_J2K
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34 typedef opj_cinfo_t opj_codec_t;
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35 typedef opj_cio_t opj_stream_t;
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36 #elif ORTHANC_OPENJPEG_MAJOR_VERSION == 2
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37 #else
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38 #error Unsupported version of OpenJpeg
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39 #endif
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40
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41 namespace OrthancWSI
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42 {
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43 namespace
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44 {
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45 class OpenJpegImage : public boost::noncopyable
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46 {
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47 private:
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48 std::vector<opj_image_cmptparm_t> components_;
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49 COLOR_SPACE colorspace_;
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50 opj_image_t* image_;
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51
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52 void SetupComponents(unsigned int width,
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53 unsigned int height,
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54 Orthanc::PixelFormat format)
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55 {
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56 switch (format)
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57 {
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58 case Orthanc::PixelFormat_Grayscale8:
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59 colorspace_ = OPJ_CLRSPC_GRAY;
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60 components_.resize(1);
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61 break;
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62
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63 case Orthanc::PixelFormat_RGB24:
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64 colorspace_ = OPJ_CLRSPC_SRGB;
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65 components_.resize(3);
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66 break;
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67
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68 default:
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69 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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70 }
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71
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72 for (size_t i = 0; i < components_.size(); i++)
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73 {
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74 memset(&components_[i], 0, sizeof(opj_image_cmptparm_t));
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75 components_[i].dx = 1;
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76 components_[i].dy = 1;
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77 components_[i].x0 = 0;
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78 components_[i].y0 = 0;
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79 components_[i].w = width;
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80 components_[i].h = height;
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81 components_[i].prec = 8;
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82 components_[i].bpp = 8;
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83 components_[i].sgnd = 0;
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84 }
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85 }
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86
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87 void CopyRGB24(unsigned int width,
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88 unsigned int height,
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89 unsigned int pitch,
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90 const void* buffer)
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91 {
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92 int32_t* r = image_->comps[0].data;
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93 int32_t* g = image_->comps[1].data;
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94 int32_t* b = image_->comps[2].data;
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95
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96 for (unsigned int y = 0; y < height; y++)
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97 {
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98 const uint8_t *p = reinterpret_cast<const uint8_t*>(buffer) + y * pitch;
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99
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100 for (unsigned int x = 0; x < width; x++)
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101 {
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102 *r = p[0];
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103 *g = p[1];
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104 *b = p[2];
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105 p += 3;
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106 r++;
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107 g++;
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108 b++;
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109 }
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110 }
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111 }
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112
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113 void CopyGrayscale8(unsigned int width,
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114 unsigned int height,
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115 unsigned int pitch,
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116 const void* buffer)
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117 {
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118 int32_t* q = image_->comps[0].data;
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119
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120 for (unsigned int y = 0; y < height; y++)
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121 {
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122 const uint8_t *p = reinterpret_cast<const uint8_t*>(buffer) + y * pitch;
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123
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124 for (unsigned int x = 0; x < width; x++)
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125 {
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126 *q = *p;
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127 p++;
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128 q++;
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129 }
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130 }
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131 }
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132
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133 public:
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134 OpenJpegImage(unsigned int width,
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135 unsigned int height,
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136 unsigned int pitch,
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137 Orthanc::PixelFormat format,
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138 const void* buffer) : image_(NULL)
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139 {
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140 SetupComponents(width, height, format);
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141
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142 image_ = opj_image_create(components_.size(), &components_[0], colorspace_);
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143 if (!image_)
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144 {
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145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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146 }
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147
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148 image_->x0 = 0;
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149 image_->y0 = 0;
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150 image_->x1 = width;
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151 image_->y1 = height;
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152
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153 switch (format)
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154 {
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155 case Orthanc::PixelFormat_Grayscale8:
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156 CopyGrayscale8(width, height, pitch, buffer);
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157 break;
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158
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159 case Orthanc::PixelFormat_RGB24:
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160 CopyRGB24(width, height, pitch, buffer);
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161 break;
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162
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163 default:
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164 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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165 }
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166 }
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167
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168
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169 ~OpenJpegImage()
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170 {
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171 if (image_)
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172 {
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173 opj_image_destroy(image_);
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174 image_ = NULL;
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175 }
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176 }
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177
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178
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179 opj_image_t* GetObject()
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180 {
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181 return image_;
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182 }
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183 };
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184
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185
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186 class OpenJpegEncoder : public boost::noncopyable
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187 {
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188 private:
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189 opj_codec_t* cinfo_;
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190
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191 public:
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192 OpenJpegEncoder(opj_cparameters_t& parameters,
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193 OpenJpegImage& image) : cinfo_(NULL)
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194 {
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195 cinfo_ = opj_create_compress(OPJ_CODEC_J2K);
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196 if (!cinfo_)
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197 {
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198 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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199 }
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200
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201 opj_setup_encoder(cinfo_, ¶meters, image.GetObject());
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202 }
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203
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204 ~OpenJpegEncoder()
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205 {
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206 if (cinfo_ != NULL)
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207 {
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208 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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209 opj_destroy_compress(cinfo_);
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210 #else
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211 opj_destroy_codec(cinfo_);
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212 #endif
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213 cinfo_ = NULL;
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214 }
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215 }
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216
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217 opj_codec_t* GetObject()
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218 {
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219 return cinfo_;
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220 }
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221 };
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222
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223
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224 class OpenJpegOutput : public boost::noncopyable
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225 {
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226 private:
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227 opj_stream_t* cio_;
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228
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229 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 2
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230 Orthanc::ChunkedBuffer buffer_;
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231
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232 static void Free(void *userData)
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233 {
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234 }
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235
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236 static OPJ_SIZE_T Write(void *buffer,
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237 OPJ_SIZE_T size,
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238 void *userData)
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239 {
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240 OpenJpegOutput* that = reinterpret_cast<OpenJpegOutput*>(userData);
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241 that->buffer_.AddChunk(reinterpret_cast<const char*>(buffer), size);
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242 return size;
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243 }
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244 #endif
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245
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246 public:
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247 OpenJpegOutput(OpenJpegEncoder& encoder) : cio_(NULL)
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248 {
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249 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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250 cio_ = opj_cio_open(reinterpret_cast<opj_common_ptr>(encoder.GetObject()), NULL, 0);
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251 #else
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252 cio_ = opj_stream_default_create(0 /* output stream */);
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253 if (!cio_)
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254 {
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255 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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256 }
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257
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258 opj_stream_set_user_data(cio_, this, Free);
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259 opj_stream_set_write_function(cio_, Write);
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260 #endif
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261 }
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262
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263 ~OpenJpegOutput()
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264 {
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265 if (cio_)
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266 {
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267 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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268 opj_cio_close(cio_);
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269 #else
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270 opj_stream_destroy(cio_);
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271 #endif
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272 cio_ = NULL;
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273 }
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274 }
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275
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276 opj_stream_t* GetObject()
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277 {
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278 return cio_;
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279 }
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280
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281 void Flatten(std::string& target)
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282 {
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283 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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284 target.assign(reinterpret_cast<const char*>(cio_->buffer), cio_tell(cio_));
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285 #else
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286 buffer_.Flatten(target);
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287 #endif
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288 }
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289 };
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290 }
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291
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292
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293 static void SetupParameters(opj_cparameters_t& parameters,
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294 Orthanc::PixelFormat format,
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295 bool isLossless)
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296 {
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297 opj_set_default_encoder_parameters(¶meters);
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298 parameters.cp_disto_alloc = 1;
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299
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300 if (isLossless)
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301 {
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302 parameters.tcp_numlayers = 1;
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303 parameters.tcp_rates[0] = 0;
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304 }
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305 else
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306 {
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307 parameters.tcp_numlayers = 5;
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308 parameters.tcp_rates[0] = 1920;
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309 parameters.tcp_rates[1] = 480;
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310 parameters.tcp_rates[2] = 120;
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311 parameters.tcp_rates[3] = 30;
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312 parameters.tcp_rates[4] = 10;
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313 parameters.irreversible = 1;
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314
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315 if (format == Orthanc::PixelFormat_RGB24 ||
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316 format == Orthanc::PixelFormat_RGBA32)
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317 {
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318 // This must be set to 1 if the number of color channels is >= 3
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319 parameters.tcp_mct = 1;
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320 }
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321 }
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322
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323 parameters.cp_comment = const_cast<char*>("");
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324 }
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325
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326
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327 void Jpeg2000Writer::WriteToMemoryInternal(std::string& compressed,
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328 unsigned int width,
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329 unsigned int height,
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330 unsigned int pitch,
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331 Orthanc::PixelFormat format,
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332 const void* buffer)
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333 {
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334 if (format != Orthanc::PixelFormat_Grayscale8 &&
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335 format != Orthanc::PixelFormat_RGB24 &&
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336 format != Orthanc::PixelFormat_RGBA32)
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337 {
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338 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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339 }
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340
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341 opj_cparameters_t parameters;
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342 SetupParameters(parameters, format, isLossless_);
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343
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344 OpenJpegImage image(width, height, pitch, format, buffer);
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345 OpenJpegEncoder encoder(parameters, image);
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346 OpenJpegOutput output(encoder);
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347
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348 #if ORTHANC_OPENJPEG_MAJOR_VERSION == 1
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349 if (!opj_encode(encoder.GetObject(), output.GetObject(), image.GetObject(), parameters.index))
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350 {
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351 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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352 }
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353 #else
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354 if (!opj_start_compress(encoder.GetObject(), image.GetObject(), output.GetObject()) ||
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355 !opj_encode(encoder.GetObject(), output.GetObject()) ||
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356 !opj_end_compress(encoder.GetObject(), output.GetObject()))
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357 {
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358 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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359 }
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360 #endif
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361
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362 output.Flatten(compressed);
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363 }
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364 }
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