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comparison UnitTests/Png.cpp @ 455:238a0c99ced2

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PNG reader
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 Jul 2013 15:25:15 +0200
parents 6f47a4262618
children
comparison
equal deleted inserted replaced
454:6f47a4262618 455:238a0c99ced2
1 #include "gtest/gtest.h" 1 #include "gtest/gtest.h"
2 2
3 #include <stdint.h> 3 #include <stdint.h>
4 #include "../Core/FileFormats/PngReader.h"
4 #include "../Core/FileFormats/PngWriter.h" 5 #include "../Core/FileFormats/PngWriter.h"
5 6
6 TEST(PngWriter, ColorPattern) 7 TEST(PngWriter, ColorPattern)
7 { 8 {
8 Orthanc::PngWriter w; 9 Orthanc::PngWriter w;
64 } 65 }
65 } 66 }
66 67
67 w.WriteToFile("Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); 68 w.WriteToFile("Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]);
68 } 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 }