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annotate UnitTestsSources/FromDcmtk.cpp @ 800:ecedd89055db

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generation of DICOM images from PNG files
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 06 May 2014 16:33:40 +0200
parents b6d6b65142e8
children 82b07ab959f4
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1 #include "gtest/gtest.h"
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2
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3 #include "../OrthancServer/FromDcmtkBridge.h"
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4 #include "../OrthancServer/OrthancInitialization.h"
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5 #include "../OrthancServer/DicomModification.h"
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6 #include "../Core/OrthancException.h"
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7 #include "../Core/ImageFormats/ImageBuffer.h"
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8 #include "../Core/ImageFormats/PngReader.h"
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9 #include "../Core/ImageFormats/PngWriter.h"
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10
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11 using namespace Orthanc;
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12
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13 TEST(DicomFormat, Tag)
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14 {
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15 ASSERT_EQ("PatientName", FromDcmtkBridge::GetName(DicomTag(0x0010, 0x0010)));
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16
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17 DicomTag t = FromDcmtkBridge::ParseTag("SeriesDescription");
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18 ASSERT_EQ(0x0008, t.GetGroup());
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19 ASSERT_EQ(0x103E, t.GetElement());
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20
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21 t = FromDcmtkBridge::ParseTag("0020-e040");
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22 ASSERT_EQ(0x0020, t.GetGroup());
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23 ASSERT_EQ(0xe040, t.GetElement());
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24
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25 // Test ==() and !=() operators
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26 ASSERT_TRUE(DICOM_TAG_PATIENT_ID == DicomTag(0x0010, 0x0020));
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27 ASSERT_FALSE(DICOM_TAG_PATIENT_ID != DicomTag(0x0010, 0x0020));
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28 }
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29
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30
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31 TEST(DicomModification, Basic)
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32 {
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33 DicomModification m;
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34 m.SetupAnonymization();
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35 //m.SetLevel(DicomRootLevel_Study);
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36 //m.Replace(DICOM_TAG_PATIENT_ID, "coucou");
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37 //m.Replace(DICOM_TAG_PATIENT_NAME, "coucou");
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38
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39 ParsedDicomFile o;
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40 o.SaveToFile("anon.dcm");
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41
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42 for (int i = 0; i < 10; i++)
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43 {
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44 char b[1024];
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45 sprintf(b, "anon%06d.dcm", i);
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46 std::auto_ptr<ParsedDicomFile> f(o.Clone());
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47 if (i > 4)
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48 o.Replace(DICOM_TAG_SERIES_INSTANCE_UID, "coucou");
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49 m.Apply(*f);
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50 f->SaveToFile(b);
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51 }
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52 }
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53
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54
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55 #include <dcmdata/dcuid.h>
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56
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57 TEST(DicomModification, Png)
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58 {
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59 // Red dot in http://en.wikipedia.org/wiki/Data_URI_scheme (RGBA image)
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60 std::string s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
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61
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62 std::string m, c;
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63 Toolbox::DecodeDataUriScheme(m, c, s);
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64
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65 ASSERT_EQ("image/png", m);
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66 ASSERT_EQ(116, c.size());
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67
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68 std::string cc = Toolbox::DecodeBase64(c);
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69
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70 Toolbox::WriteFile(cc, "/tmp/tata.png");
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71
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72 PngReader reader;
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73 reader.ReadFromMemory(cc);
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74
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75 ASSERT_EQ(5, reader.GetHeight());
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76 ASSERT_EQ(5, reader.GetWidth());
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77 ASSERT_EQ(PixelFormat_RGBA32, reader.GetFormat());
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78
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79 ParsedDicomFile o;
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80 o.EmbedImage(s);
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81 o.SaveToFile("png1.dcm");
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82
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83 // Red dot, without alpha channel
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84 s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAIAAAACDbGyAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gUGDTcIn2+8BgAAACJJREFUCNdj/P//PwMjIwME/P/P+J8BBTAxEOL/R9Lx/z8AynoKAXOeiV8AAAAASUVORK5CYII=";
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85 o.EmbedImage(s);
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86 o.SaveToFile("png2.dcm");
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87
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88 // Check box in Graylevel8
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89 s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gUGDDcB53FulQAAAElJREFUGNNtj0sSAEEEQ1+U+185s1CtmRkblQ9CZldsKHJDk6DLGLJa6chjh0ooQmpjXMM86zPwydGEj6Ed/UGykkEM8X+p3u8/8LcOJIWLGeMAAAAASUVORK5CYII=";
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90 o.EmbedImage(s);
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91 //o.Replace(DICOM_TAG_SOP_CLASS_UID, UID_DigitalXRayImageStorageForProcessing);
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92 o.SaveToFile("png3.dcm");
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93
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94
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95 {
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96 // Gradient in Graylevel16
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97
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98 ImageBuffer img;
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99 img.SetWidth(256);
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100 img.SetHeight(256);
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101 img.SetFormat(PixelFormat_Grayscale16);
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102
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103 int v = 0;
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104 for (unsigned int y = 0; y < img.GetHeight(); y++)
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105 {
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106 uint16_t *p = reinterpret_cast<uint16_t*>(img.GetAccessor().GetRow(y));
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107 for (unsigned int x = 0; x < img.GetWidth(); x++, p++, v++)
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108 {
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109 *p = v;
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110 }
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111 }
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112
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113 o.EmbedImage(img.GetAccessor());
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114 o.SaveToFile("png4.dcm");
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115 }
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116 }