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comparison 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
comparison
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799:777b6b694da6 800:ecedd89055db
2 2
3 #include "../OrthancServer/FromDcmtkBridge.h" 3 #include "../OrthancServer/FromDcmtkBridge.h"
4 #include "../OrthancServer/OrthancInitialization.h" 4 #include "../OrthancServer/OrthancInitialization.h"
5 #include "../OrthancServer/DicomModification.h" 5 #include "../OrthancServer/DicomModification.h"
6 #include "../Core/OrthancException.h" 6 #include "../Core/OrthancException.h"
7 #include "../Core/ImageFormats/ImageBuffer.h"
8 #include "../Core/ImageFormats/PngReader.h"
9 #include "../Core/ImageFormats/PngWriter.h"
7 10
8 using namespace Orthanc; 11 using namespace Orthanc;
9 12
10 TEST(DicomFormat, Tag) 13 TEST(DicomFormat, Tag)
11 { 14 {
45 o.Replace(DICOM_TAG_SERIES_INSTANCE_UID, "coucou"); 48 o.Replace(DICOM_TAG_SERIES_INSTANCE_UID, "coucou");
46 m.Apply(*f); 49 m.Apply(*f);
47 f->SaveToFile(b); 50 f->SaveToFile(b);
48 } 51 }
49 } 52 }
53
54
55 #include <dcmdata/dcuid.h>
56
57 TEST(DicomModification, Png)
58 {
59 // Red dot in http://en.wikipedia.org/wiki/Data_URI_scheme (RGBA image)
60 std::string s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
61
62 std::string m, c;
63 Toolbox::DecodeDataUriScheme(m, c, s);
64
65 ASSERT_EQ("image/png", m);
66 ASSERT_EQ(116, c.size());
67
68 std::string cc = Toolbox::DecodeBase64(c);
69
70 Toolbox::WriteFile(cc, "/tmp/tata.png");
71
72 PngReader reader;
73 reader.ReadFromMemory(cc);
74
75 ASSERT_EQ(5, reader.GetHeight());
76 ASSERT_EQ(5, reader.GetWidth());
77 ASSERT_EQ(PixelFormat_RGBA32, reader.GetFormat());
78
79 ParsedDicomFile o;
80 o.EmbedImage(s);
81 o.SaveToFile("png1.dcm");
82
83 // Red dot, without alpha channel
84 s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAIAAAACDbGyAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gUGDTcIn2+8BgAAACJJREFUCNdj/P//PwMjIwME/P/P+J8BBTAxEOL/R9Lx/z8AynoKAXOeiV8AAAAASUVORK5CYII=";
85 o.EmbedImage(s);
86 o.SaveToFile("png2.dcm");
87
88 // Check box in Graylevel8
89 s = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gUGDDcB53FulQAAAElJREFUGNNtj0sSAEEEQ1+U+185s1CtmRkblQ9CZldsKHJDk6DLGLJa6chjh0ooQmpjXMM86zPwydGEj6Ed/UGykkEM8X+p3u8/8LcOJIWLGeMAAAAASUVORK5CYII=";
90 o.EmbedImage(s);
91 //o.Replace(DICOM_TAG_SOP_CLASS_UID, UID_DigitalXRayImageStorageForProcessing);
92 o.SaveToFile("png3.dcm");
93
94
95 {
96 // Gradient in Graylevel16
97
98 ImageBuffer img;
99 img.SetWidth(256);
100 img.SetHeight(256);
101 img.SetFormat(PixelFormat_Grayscale16);
102
103 int v = 0;
104 for (unsigned int y = 0; y < img.GetHeight(); y++)
105 {
106 uint16_t *p = reinterpret_cast<uint16_t*>(img.GetAccessor().GetRow(y));
107 for (unsigned int x = 0; x < img.GetWidth(); x++, p++, v++)
108 {
109 *p = v;
110 }
111 }
112
113 o.EmbedImage(img.GetAccessor());
114 o.SaveToFile("png4.dcm");
115 }
116 }