Mercurial > hg > orthanc
annotate UnitTestsSources/Png.cpp @ 639:51892be15618
fix for big endian architectures
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 29 Oct 2013 15:56:29 +0000 |
| parents | 17815b9d4280 |
| children | 6c90ce085261 |
| 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" |
|
639
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
6 #include "../Core/Toolbox.h" |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
7 |
| 368 | 8 |
| 9 TEST(PngWriter, ColorPattern) | |
| 10 { | |
| 11 Orthanc::PngWriter w; | |
| 12 int width = 17; | |
| 13 int height = 61; | |
| 14 int pitch = width * 3; | |
| 15 | |
| 16 std::vector<uint8_t> image(height * pitch); | |
| 17 for (int y = 0; y < height; y++) | |
| 18 { | |
| 19 uint8_t *p = &image[0] + y * pitch; | |
| 20 for (int x = 0; x < width; x++, p += 3) | |
| 21 { | |
| 22 p[0] = (y % 3 == 0) ? 255 : 0; | |
| 23 p[1] = (y % 3 == 1) ? 255 : 0; | |
| 24 p[2] = (y % 3 == 2) ? 255 : 0; | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 w.WriteToFile("ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]); | |
|
639
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
29 |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
30 std::string f, md5; |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
31 Orthanc::Toolbox::ReadFile(f, "ColorPattern.png"); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
32 Orthanc::Toolbox::ComputeMD5(md5, f); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
33 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); |
| 368 | 34 } |
| 35 | |
| 36 TEST(PngWriter, Gray8Pattern) | |
| 37 { | |
| 38 Orthanc::PngWriter w; | |
| 39 int width = 17; | |
| 40 int height = 256; | |
| 41 int pitch = width; | |
| 42 | |
| 43 std::vector<uint8_t> image(height * pitch); | |
| 44 for (int y = 0; y < height; y++) | |
| 45 { | |
| 46 uint8_t *p = &image[0] + y * pitch; | |
| 47 for (int x = 0; x < width; x++, p++) | |
| 48 { | |
| 49 *p = y; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 w.WriteToFile("Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]); | |
|
639
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
54 |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
55 std::string f, md5; |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
56 Orthanc::Toolbox::ReadFile(f, "Gray8Pattern.png"); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
57 Orthanc::Toolbox::ComputeMD5(md5, f); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
58 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); |
| 368 | 59 } |
| 60 | |
| 61 TEST(PngWriter, Gray16Pattern) | |
| 62 { | |
| 63 Orthanc::PngWriter w; | |
| 64 int width = 256; | |
| 65 int height = 256; | |
|
369
4632a044746e
simplification of the code
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
368
diff
changeset
|
66 int pitch = width * 2 + 16; |
| 368 | 67 |
| 68 std::vector<uint8_t> image(height * pitch); | |
|
369
4632a044746e
simplification of the code
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
368
diff
changeset
|
69 |
| 368 | 70 int v = 0; |
| 71 for (int y = 0; y < height; y++) | |
| 72 { | |
| 73 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 74 for (int x = 0; x < width; x++, p++, v++) | |
| 75 { | |
| 76 *p = v; | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 w.WriteToFile("Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
|
639
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
81 |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
82 std::string f, md5; |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
83 Orthanc::Toolbox::ReadFile(f, "Gray16Pattern.png"); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
84 Orthanc::Toolbox::ComputeMD5(md5, f); |
|
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
632
diff
changeset
|
85 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); |
| 368 | 86 } |
| 455 | 87 |
| 88 TEST(PngWriter, EndToEnd) | |
| 89 { | |
| 90 Orthanc::PngWriter w; | |
| 91 int width = 256; | |
| 92 int height = 256; | |
| 93 int pitch = width * 2 + 16; | |
| 94 | |
| 95 std::vector<uint8_t> image(height * pitch); | |
| 96 | |
| 97 int v = 0; | |
| 98 for (int y = 0; y < height; y++) | |
| 99 { | |
| 100 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
| 101 for (int x = 0; x < width; x++, p++, v++) | |
| 102 { | |
| 103 *p = v; | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 std::string s; | |
| 108 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
| 109 | |
| 110 Orthanc::PngReader r; | |
| 111 r.ReadFromMemory(s); | |
| 112 | |
| 113 ASSERT_EQ(r.GetWidth(), width); | |
| 114 ASSERT_EQ(r.GetHeight(), height); | |
| 115 | |
| 116 v = 0; | |
| 117 for (int y = 0; y < height; y++) | |
| 118 { | |
| 119 uint16_t *p = reinterpret_cast<uint16_t*>((uint8_t*) r.GetBuffer() + y * r.GetPitch()); | |
| 120 for (int x = 0; x < width; x++, p++, v++) | |
| 121 { | |
| 122 ASSERT_EQ(*p, v); | |
| 123 } | |
| 124 } | |
| 125 } |