Mercurial > hg > orthanc
comparison UnitTestsSources/PngTests.cpp @ 967:dfc076546821
add suffix Tests to unit test sources
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 27 Jun 2014 15:36:38 +0200 |
parents | UnitTestsSources/Png.cpp@84513f2ee1f3 |
children | 6e7e5ed91c2d |
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966:886652370ff2 | 967:dfc076546821 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, | |
4 * Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "PrecompiledHeadersUnitTests.h" | |
34 #include "gtest/gtest.h" | |
35 | |
36 #include <stdint.h> | |
37 #include "../Core/ImageFormats/PngReader.h" | |
38 #include "../Core/ImageFormats/PngWriter.h" | |
39 #include "../Core/Toolbox.h" | |
40 #include "../Core/Uuid.h" | |
41 | |
42 | |
43 TEST(PngWriter, ColorPattern) | |
44 { | |
45 Orthanc::PngWriter w; | |
46 int width = 17; | |
47 int height = 61; | |
48 int pitch = width * 3; | |
49 | |
50 std::vector<uint8_t> image(height * pitch); | |
51 for (int y = 0; y < height; y++) | |
52 { | |
53 uint8_t *p = &image[0] + y * pitch; | |
54 for (int x = 0; x < width; x++, p += 3) | |
55 { | |
56 p[0] = (y % 3 == 0) ? 255 : 0; | |
57 p[1] = (y % 3 == 1) ? 255 : 0; | |
58 p[2] = (y % 3 == 2) ? 255 : 0; | |
59 } | |
60 } | |
61 | |
62 w.WriteToFile("UnitTestsResults/ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]); | |
63 | |
64 std::string f, md5; | |
65 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png"); | |
66 Orthanc::Toolbox::ComputeMD5(md5, f); | |
67 ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); | |
68 } | |
69 | |
70 TEST(PngWriter, Gray8Pattern) | |
71 { | |
72 Orthanc::PngWriter w; | |
73 int width = 17; | |
74 int height = 256; | |
75 int pitch = width; | |
76 | |
77 std::vector<uint8_t> image(height * pitch); | |
78 for (int y = 0; y < height; y++) | |
79 { | |
80 uint8_t *p = &image[0] + y * pitch; | |
81 for (int x = 0; x < width; x++, p++) | |
82 { | |
83 *p = y; | |
84 } | |
85 } | |
86 | |
87 w.WriteToFile("UnitTestsResults/Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]); | |
88 | |
89 std::string f, md5; | |
90 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png"); | |
91 Orthanc::Toolbox::ComputeMD5(md5, f); | |
92 ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); | |
93 } | |
94 | |
95 TEST(PngWriter, Gray16Pattern) | |
96 { | |
97 Orthanc::PngWriter w; | |
98 int width = 256; | |
99 int height = 256; | |
100 int pitch = width * 2 + 16; | |
101 | |
102 std::vector<uint8_t> image(height * pitch); | |
103 | |
104 int v = 0; | |
105 for (int y = 0; y < height; y++) | |
106 { | |
107 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
108 for (int x = 0; x < width; x++, p++, v++) | |
109 { | |
110 *p = v; | |
111 } | |
112 } | |
113 | |
114 w.WriteToFile("UnitTestsResults/Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
115 | |
116 std::string f, md5; | |
117 Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png"); | |
118 Orthanc::Toolbox::ComputeMD5(md5, f); | |
119 ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); | |
120 } | |
121 | |
122 TEST(PngWriter, EndToEnd) | |
123 { | |
124 Orthanc::PngWriter w; | |
125 int width = 256; | |
126 int height = 256; | |
127 int pitch = width * 2 + 16; | |
128 | |
129 std::vector<uint8_t> image(height * pitch); | |
130 | |
131 int v = 0; | |
132 for (int y = 0; y < height; y++) | |
133 { | |
134 uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); | |
135 for (int x = 0; x < width; x++, p++, v++) | |
136 { | |
137 *p = v; | |
138 } | |
139 } | |
140 | |
141 std::string s; | |
142 w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); | |
143 | |
144 { | |
145 Orthanc::PngReader r; | |
146 r.ReadFromMemory(s); | |
147 | |
148 ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); | |
149 ASSERT_EQ(r.GetWidth(), width); | |
150 ASSERT_EQ(r.GetHeight(), height); | |
151 | |
152 v = 0; | |
153 for (int y = 0; y < height; y++) | |
154 { | |
155 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); | |
156 ASSERT_EQ(p, r.GetConstRow(y)); | |
157 for (int x = 0; x < width; x++, p++, v++) | |
158 { | |
159 ASSERT_EQ(*p, v); | |
160 } | |
161 } | |
162 } | |
163 | |
164 { | |
165 Orthanc::Toolbox::TemporaryFile tmp; | |
166 Orthanc::Toolbox::WriteFile(s, tmp.GetPath()); | |
167 | |
168 Orthanc::PngReader r2; | |
169 r2.ReadFromFile(tmp.GetPath()); | |
170 | |
171 ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); | |
172 ASSERT_EQ(r2.GetWidth(), width); | |
173 ASSERT_EQ(r2.GetHeight(), height); | |
174 | |
175 v = 0; | |
176 for (int y = 0; y < height; y++) | |
177 { | |
178 const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); | |
179 ASSERT_EQ(p, r2.GetConstRow(y)); | |
180 for (int x = 0; x < width; x++, p++, v++) | |
181 { | |
182 ASSERT_EQ(*p, v); | |
183 } | |
184 } | |
185 } | |
186 } |