Mercurial > hg > orthanc
annotate UnitTestsSources/Png.cpp @ 797:37adac56017a
ImageAccessor abstraction
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 06 May 2014 12:47:26 +0200 |
| parents | 8f62e8d5a384 |
| children | 777b6b694da6 |
| rev | line source |
|---|---|
| 368 | 1 #include "gtest/gtest.h" |
| 2 | |
| 3 #include <stdint.h> | |
| 455 | 4 #include "../Core/FileFormats/PngReader.h" |
| 454 | 5 #include "../Core/FileFormats/PngWriter.h" |
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6 #include "../Core/Toolbox.h" |
| 709 | 7 #include "../Core/Uuid.h" |
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8 |
| 368 | 9 |
| 10 TEST(PngWriter, ColorPattern) | |
| 11 { | |
| 12 Orthanc::PngWriter w; | |
| 13 int width = 17; | |
| 14 int height = 61; | |
| 15 int pitch = width * 3; | |
| 16 | |
| 17 std::vector<uint8_t> image(height * pitch); | |
| 18 for (int y = 0; y < height; y++) | |
| 19 { | |
| 20 uint8_t *p = &image[0] + y * pitch; | |
| 21 for (int x = 0; x < width; x++, p += 3) | |
| 22 { | |
| 23 p[0] = (y % 3 == 0) ? 255 : 0; | |
| 24 p[1] = (y % 3 == 1) ? 255 : 0; | |
| 25 p[2] = (y % 3 == 2) ? 255 : 0; | |
| 26 } | |
| 27 } | |
| 28 | |
| 29 w.WriteToFile("ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]); | |
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parents:
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30 |
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31 std::string f, md5; |
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32 Orthanc::Toolbox::ReadFile(f, "ColorPattern.png"); |
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parents:
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33 Orthanc::Toolbox::ComputeMD5(md5, f); |
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34 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); |
| 368 | 35 } |
| 36 | |
| 37 TEST(PngWriter, Gray8Pattern) | |
| 38 { | |
| 39 Orthanc::PngWriter w; | |
| 40 int width = 17; | |
| 41 int height = 256; | |
| 42 int pitch = width; | |
| 43 | |
| 44 std::vector<uint8_t> image(height * pitch); | |
| 45 for (int y = 0; y < height; y++) | |
| 46 { | |
| 47 uint8_t *p = &image[0] + y * pitch; | |
| 48 for (int x = 0; x < width; x++, p++) | |
| 49 { | |
| 50 *p = y; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 w.WriteToFile("Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]); | |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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55 |
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parents:
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56 std::string f, md5; |
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parents:
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57 Orthanc::Toolbox::ReadFile(f, "Gray8Pattern.png"); |
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51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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58 Orthanc::Toolbox::ComputeMD5(md5, f); |
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51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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59 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); |
| 368 | 60 } |
| 61 | |
| 62 TEST(PngWriter, Gray16Pattern) | |
| 63 { | |
| 64 Orthanc::PngWriter w; | |
| 65 int width = 256; | |
| 66 int height = 256; | |
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67 int pitch = width * 2 + 16; |
| 368 | 68 |
| 69 std::vector<uint8_t> image(height * pitch); | |
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70 |
| 368 | 71 int v = 0; |
| 72 for (int y = 0; y < height; y++) | |
| 73 { | |
| 74 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 75 for (int x = 0; x < width; x++, p++, v++) | |
| 76 { | |
| 77 *p = v; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 w.WriteToFile("Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
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51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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82 |
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51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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83 std::string f, md5; |
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51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
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84 Orthanc::Toolbox::ReadFile(f, "Gray16Pattern.png"); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
85 Orthanc::Toolbox::ComputeMD5(md5, f); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
86 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); |
| 368 | 87 } |
| 455 | 88 |
| 89 TEST(PngWriter, EndToEnd) | |
| 90 { | |
| 91 Orthanc::PngWriter w; | |
| 92 int width = 256; | |
| 93 int height = 256; | |
| 94 int pitch = width * 2 + 16; | |
| 95 | |
| 96 std::vector<uint8_t> image(height * pitch); | |
| 97 | |
| 98 int v = 0; | |
| 99 for (int y = 0; y < height; y++) | |
| 100 { | |
| 101 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 102 for (int x = 0; x < width; x++, p++, v++) | |
| 103 { | |
| 104 *p = v; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 std::string s; | |
| 109 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
| 110 | |
| 709 | 111 { |
| 112 Orthanc::PngReader r; | |
| 113 r.ReadFromMemory(s); | |
| 455 | 114 |
| 710 | 115 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
| 709 | 116 ASSERT_EQ(r.GetWidth(), width); |
| 117 ASSERT_EQ(r.GetHeight(), height); | |
| 455 | 118 |
| 709 | 119 v = 0; |
| 120 for (int y = 0; y < height; y++) | |
| 121 { | |
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797
37adac56017a
ImageAccessor abstraction
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
711
diff
changeset
|
122 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); |
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37adac56017a
ImageAccessor abstraction
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
711
diff
changeset
|
123 ASSERT_EQ(p, r.GetConstRow(y)); |
| 709 | 124 for (int x = 0; x < width; x++, p++, v++) |
| 125 { | |
| 126 ASSERT_EQ(*p, v); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 455 | 131 { |
| 710 | 132 Orthanc::Toolbox::TemporaryFile tmp; |
| 133 Orthanc::Toolbox::WriteFile(s, tmp.GetPath()); | |
| 709 | 134 |
| 135 Orthanc::PngReader r2; | |
| 136 r2.ReadFromFile(tmp.GetPath()); | |
| 137 | |
| 710 | 138 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); |
| 709 | 139 ASSERT_EQ(r2.GetWidth(), width); |
| 140 ASSERT_EQ(r2.GetHeight(), height); | |
| 710 | 141 |
| 142 v = 0; | |
| 709 | 143 for (int y = 0; y < height; y++) |
| 455 | 144 { |
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797
37adac56017a
ImageAccessor abstraction
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
711
diff
changeset
|
145 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); |
|
37adac56017a
ImageAccessor abstraction
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
711
diff
changeset
|
146 ASSERT_EQ(p, r2.GetConstRow(y)); |
| 709 | 147 for (int x = 0; x < width; x++, p++, v++) |
| 148 { | |
| 149 ASSERT_EQ(*p, v); | |
| 150 } | |
| 455 | 151 } |
| 152 } | |
| 153 } |