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comparison UnitTestsSources/Png.cpp @ 632:17815b9d4280

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rename the UnitTests directory to avoid clashes in filenames
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 28 Oct 2013 16:26:51 +0100
parents UnitTests/Png.cpp@238a0c99ced2
children 51892be15618
comparison
equal deleted inserted replaced
631:fc6ad5b97219 632:17815b9d4280
1 #include "gtest/gtest.h"
2
3 #include <stdint.h>
4 #include "../Core/FileFormats/PngReader.h"
5 #include "../Core/FileFormats/PngWriter.h"
6
7 TEST(PngWriter, ColorPattern)
8 {
9 Orthanc::PngWriter w;
10 int width = 17;
11 int height = 61;
12 int pitch = width * 3;
13
14 std::vector<uint8_t> image(height * pitch);
15 for (int y = 0; y < height; y++)
16 {
17 uint8_t *p = &image[0] + y * pitch;
18 for (int x = 0; x < width; x++, p += 3)
19 {
20 p[0] = (y % 3 == 0) ? 255 : 0;
21 p[1] = (y % 3 == 1) ? 255 : 0;
22 p[2] = (y % 3 == 2) ? 255 : 0;
23 }
24 }
25
26 w.WriteToFile("ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]);
27 }
28
29 TEST(PngWriter, Gray8Pattern)
30 {
31 Orthanc::PngWriter w;
32 int width = 17;
33 int height = 256;
34 int pitch = width;
35
36 std::vector<uint8_t> image(height * pitch);
37 for (int y = 0; y < height; y++)
38 {
39 uint8_t *p = &image[0] + y * pitch;
40 for (int x = 0; x < width; x++, p++)
41 {
42 *p = y;
43 }
44 }
45
46 w.WriteToFile("Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]);
47 }
48
49 TEST(PngWriter, Gray16Pattern)
50 {
51 Orthanc::PngWriter w;
52 int width = 256;
53 int height = 256;
54 int pitch = width * 2 + 16;
55
56 std::vector<uint8_t> image(height * pitch);
57
58 int v = 0;
59 for (int y = 0; y < height; y++)
60 {
61 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
62 for (int x = 0; x < width; x++, p++, v++)
63 {
64 *p = v;
65 }
66 }
67
68 w.WriteToFile("Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]);
69 }
70
71 TEST(PngWriter, EndToEnd)
72 {
73 Orthanc::PngWriter w;
74 int width = 256;
75 int height = 256;
76 int pitch = width * 2 + 16;
77
78 std::vector<uint8_t> image(height * pitch);
79
80 int v = 0;
81 for (int y = 0; y < height; y++)
82 {
83 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch);
84 for (int x = 0; x < width; x++, p++, v++)
85 {
86 *p = v;
87 }
88 }
89
90 std::string s;
91 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]);
92
93 Orthanc::PngReader r;
94 r.ReadFromMemory(s);
95
96 ASSERT_EQ(r.GetWidth(), width);
97 ASSERT_EQ(r.GetHeight(), height);
98
99 v = 0;
100 for (int y = 0; y < height; y++)
101 {
102 uint16_t *p = reinterpret_cast<uint16_t*>((uint8_t*) r.GetBuffer() + y * r.GetPitch());
103 for (int x = 0; x < width; x++, p++, v++)
104 {
105 ASSERT_EQ(*p, v);
106 }
107 }
108
109 }