Mercurial > hg > orthanc
view UnitTestsSources/PngTests.cpp @ 1482:0bde293d7ba0 Orthanc-0.9.2
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sun, 02 Aug 2015 14:40:43 +0200 |
parents | 6e7e5ed91c2d |
children | 9f66a12eb8fc |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "PrecompiledHeadersUnitTests.h" #include "gtest/gtest.h" #include <stdint.h> #include "../Core/ImageFormats/PngReader.h" #include "../Core/ImageFormats/PngWriter.h" #include "../Core/Toolbox.h" #include "../Core/Uuid.h" TEST(PngWriter, ColorPattern) { Orthanc::PngWriter w; int width = 17; int height = 61; int pitch = width * 3; std::vector<uint8_t> image(height * pitch); for (int y = 0; y < height; y++) { uint8_t *p = &image[0] + y * pitch; for (int x = 0; x < width; x++, p += 3) { p[0] = (y % 3 == 0) ? 255 : 0; p[1] = (y % 3 == 1) ? 255 : 0; p[2] = (y % 3 == 2) ? 255 : 0; } } w.WriteToFile("UnitTestsResults/ColorPattern.png", width, height, pitch, Orthanc::PixelFormat_RGB24, &image[0]); std::string f, md5; Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/ColorPattern.png"); Orthanc::Toolbox::ComputeMD5(md5, f); ASSERT_EQ("604e785f53c99cae6ea4584870b2c41d", md5); } TEST(PngWriter, Gray8Pattern) { Orthanc::PngWriter w; int width = 17; int height = 256; int pitch = width; std::vector<uint8_t> image(height * pitch); for (int y = 0; y < height; y++) { uint8_t *p = &image[0] + y * pitch; for (int x = 0; x < width; x++, p++) { *p = y; } } w.WriteToFile("UnitTestsResults/Gray8Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale8, &image[0]); std::string f, md5; Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray8Pattern.png"); Orthanc::Toolbox::ComputeMD5(md5, f); ASSERT_EQ("5a9b98bea3d0a6d983980cc38bfbcdb3", md5); } TEST(PngWriter, Gray16Pattern) { Orthanc::PngWriter w; int width = 256; int height = 256; int pitch = width * 2 + 16; std::vector<uint8_t> image(height * pitch); int v = 0; for (int y = 0; y < height; y++) { uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); for (int x = 0; x < width; x++, p++, v++) { *p = v; } } w.WriteToFile("UnitTestsResults/Gray16Pattern.png", width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); std::string f, md5; Orthanc::Toolbox::ReadFile(f, "UnitTestsResults/Gray16Pattern.png"); Orthanc::Toolbox::ComputeMD5(md5, f); ASSERT_EQ("0785866a08bf0a02d2eeff87f658571c", md5); } TEST(PngWriter, EndToEnd) { Orthanc::PngWriter w; int width = 256; int height = 256; int pitch = width * 2 + 16; std::vector<uint8_t> image(height * pitch); int v = 0; for (int y = 0; y < height; y++) { uint16_t *p = reinterpret_cast<uint16_t*>(&image[0] + y * pitch); for (int x = 0; x < width; x++, p++, v++) { *p = v; } } std::string s; w.WriteToMemory(s, width, height, pitch, Orthanc::PixelFormat_Grayscale16, &image[0]); { Orthanc::PngReader r; r.ReadFromMemory(s); ASSERT_EQ(r.GetFormat(), Orthanc::PixelFormat_Grayscale16); ASSERT_EQ(r.GetWidth(), width); ASSERT_EQ(r.GetHeight(), height); v = 0; for (int y = 0; y < height; y++) { const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r.GetConstBuffer() + y * r.GetPitch()); ASSERT_EQ(p, r.GetConstRow(y)); for (int x = 0; x < width; x++, p++, v++) { ASSERT_EQ(*p, v); } } } { Orthanc::Toolbox::TemporaryFile tmp; Orthanc::Toolbox::WriteFile(s, tmp.GetPath()); Orthanc::PngReader r2; r2.ReadFromFile(tmp.GetPath()); ASSERT_EQ(r2.GetFormat(), Orthanc::PixelFormat_Grayscale16); ASSERT_EQ(r2.GetWidth(), width); ASSERT_EQ(r2.GetHeight(), height); v = 0; for (int y = 0; y < height; y++) { const uint16_t *p = reinterpret_cast<const uint16_t*>((const uint8_t*) r2.GetConstBuffer() + y * r2.GetPitch()); ASSERT_EQ(p, r2.GetConstRow(y)); for (int x = 0; x < width; x++, p++, v++) { ASSERT_EQ(*p, v); } } } }