irrlicht/tests/makeColorKeyTexture.cpp

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// Copyright (C) 2008-2012 Colin MacDonald
// No rights reserved: this software is in the public domain.
#include "testUtils.h"
using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
/** Test the behaviour of makeColorKeyTexture() using both 16 bit (software)
and 32 bit (Burning) textures, with the new behaviour and the legacy
behaviour. */
static bool doTestWith(E_DRIVER_TYPE driverType,
bool zeroTexels)
{
IrrlichtDevice *device = createDevice( driverType,
dimension2d<u32>(160, 120), 32);
if (!device)
return false;
IVideoDriver* driver = device->getVideoDriver();
ISceneManager * smgr = device->getSceneManager();
// Draw a cube background so that we can check that the keying is working.
ISceneNode * cube = smgr->addCubeSceneNode(50.f, 0, -1, vector3df(0, 0, 60));
cube->setMaterialTexture(0, driver->getTexture("../media/wall.bmp"));
cube->setMaterialFlag(video::EMF_LIGHTING, false);
ITexture * Texture = device->getVideoDriver()->getTexture("../media/portal2.bmp");
device->getVideoDriver()->makeColorKeyTexture(Texture,
position2d<s32>(64,64),
zeroTexels);
device->getVideoDriver()->makeColorKeyTexture(Texture,
position2d<s32>(64,64),
zeroTexels);
(void)smgr->addCameraSceneNode();
driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, SColor(255,100,101,140));
smgr->drawAll();
driver->draw2DImage(Texture,
position2di(40, 40),
rect<s32>(0, 0, Texture->getSize().Width, Texture->getSize().Height),
0,
SColor(255,255,255,255),
true);
driver->endScene();
char screenshotName[256];
(void)snprintf_irr(screenshotName, 256, "-makeColorKeyTexture-%s.png",
zeroTexels? "old" : "new");
bool result = takeScreenshotAndCompareAgainstReference(driver, screenshotName);
device->closeDevice();
device->run();
device->drop();
return result;
}
bool makeColorKeyTexture(void)
{
bool result = true;
result &= doTestWith(EDT_BURNINGSVIDEO, false);
result &= doTestWith(EDT_SOFTWARE, false);
result &= doTestWith(EDT_BURNINGSVIDEO, true);
result &= doTestWith(EDT_SOFTWARE, true);
return result;
}