138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
// Copyright (C) 2009-2012 Colin MacDonald
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// No rights reserved: this software is in the public domain.
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#if defined(_MSC_VER)
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#define _CRT_SECURE_NO_WARNINGS 1
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#endif // _MSC_VER
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#include "testUtils.h"
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using namespace irr;
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using namespace core;
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using namespace scene;
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using namespace video;
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using namespace io;
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using namespace gui;
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//! Tests IVideoDriver::writeImageToFile() using IWriteFile
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bool writeImageToFile(void)
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{
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IrrlichtDevice *device = createDevice( EDT_BURNINGSVIDEO, dimension2d<u32>(160, 120), 32);
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if (!device)
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return true; // Treat a failure to create a driver as benign; this saves a lot of #ifdefs
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IVideoDriver* driver = device->getVideoDriver();
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ISceneManager * smgr = device->getSceneManager();
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// Draw a cube background so that we can check that the pixels' alpha is working.
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ISceneNode * cube = smgr->addCubeSceneNode(50.f, 0, -1, vector3df(0, 0, 60));
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cube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
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cube->setMaterialFlag(video::EMF_LIGHTING, false);
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(void)smgr->addCameraSceneNode();
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, SColor(255,100,101,140));
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smgr->drawAll();
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// Test for benign handling of offscreen pixel values as well as onscreen ones.
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for(s32 x = -10; x < 170; ++x)
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{
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s32 y = 120 * x / 160;
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driver->drawPixel((u32)x, (u32)y, SColor(255, 255 * x / 640, 255 * (640 - x) / 640, 0));
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y = 120 - y;
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driver->drawPixel((u32)x, (u32)y, SColor(255 * x / 640, 0, 255, 255));
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}
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driver->endScene();
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bool result = false;
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IWriteFile * writtenFile = 0;
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IWriteFile * memoryFile = 0;
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const char * writtenFilename = 0;
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const u32 BUFFER_SIZE = 160 * 120 * 4;
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c8 * buffer = 0;
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const char * referenceFilename = 0;
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video::ECOLOR_FORMAT format;
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irr::video::IImage * screenshot = driver->createScreenShot(video::ECF_R8G8B8);
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if (!screenshot)
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{
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logTestString("Failed to take screenshot\n");
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assert_log(false);
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goto cleanup;
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}
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format = screenshot->getColorFormat();
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if (format != video::ECF_R8G8B8)
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{
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irr::video::IImage * fixedScreenshot = driver->createImage(video::ECF_R8G8B8, screenshot->getDimension());
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screenshot->copyTo(fixedScreenshot);
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screenshot->drop();
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screenshot = 0;
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if (!fixedScreenshot)
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{
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logTestString("Failed to convert screenshot to ECF_A8R8G8B8\n");
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assert_log(false);
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goto cleanup;
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}
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screenshot = fixedScreenshot;
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}
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buffer = new c8[BUFFER_SIZE];
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writtenFilename = "results/Burning's Video-writeImageToFile.png";
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memoryFile = device->getFileSystem()->createMemoryWriteFile(buffer, BUFFER_SIZE, writtenFilename, false);
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if (!driver->writeImageToFile(screenshot, memoryFile))
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{
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logTestString("Failed to write png to memory file\n");
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assert_log(false);
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goto cleanup;
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}
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writtenFile = device->getFileSystem()->createAndWriteFile(memoryFile->getFileName());
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if (!writtenFile)
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{
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logTestString("Can't open %s for writing.\n", writtenFilename);
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assert_log(false);
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goto cleanup;
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}
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if ((size_t)memoryFile->getPos() != writtenFile->write(buffer, (size_t)memoryFile->getPos()))
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{
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logTestString("Error while writing to %s.\n", writtenFilename);
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assert_log(false);
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goto cleanup;
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}
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writtenFile->drop();
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writtenFile = 0;
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referenceFilename = "media/Burning's Video-drawPixel.png";
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if ( fuzzyCompareImages(driver,writtenFilename, referenceFilename) < 99.9)
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{
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logTestString("File written from memory is not the same as the reference file. %s:%d\n" , __FILE__, __LINE__);
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// assert_log(false);
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goto cleanup;
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}
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result = true;
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cleanup:
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if ( screenshot )
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screenshot->drop();
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if(writtenFile)
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writtenFile->drop();
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if(memoryFile)
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memoryFile->drop();
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delete [] buffer;
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device->drop();
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return result;
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}
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