irrlicht/tests/draw2DImage.cpp

133 lines
3.9 KiB
C++

#include "testUtils.h"
using namespace irr;
namespace
{
bool testWithRenderTarget(video::E_DRIVER_TYPE driverType)
{
// create device
IrrlichtDevice *device = createDevice(driverType, core::dimension2d<u32>(160,120));
if (device == 0)
return true; // could not create selected driver.
video::IVideoDriver* driver = device->getVideoDriver();
if (!driver->queryFeature(video::EVDF_RENDER_TO_TARGET))
{
device->closeDevice();
device->run();
device->drop();
return true;
}
logTestString("Testing driver %ls\n", driver->getName());
video::ITexture* RenderTarget=driver->addRenderTargetTexture(core::dimension2d<u32>(64,64), "BASEMAP");
video::ITexture *tex=driver->getTexture("../media/water.jpg");
driver->beginScene(true, true, video::SColor(255,255,0,255));//Backbuffer background is pink
//draw the 256x256 water image on the rendertarget:
driver->setRenderTarget(RenderTarget,true,true,video::SColor(255,0,0,255));//Rendertarget background is blue
driver->draw2DImage(tex, core::position2d<s32>(0,0), core::recti(0,0,32,32));
driver->setRenderTarget(0, false);
//draw the rendertarget on screen:
//this should normally draw a 64x64 image containing a 32x32 image in the top left corner
driver->draw2DImage(RenderTarget, core::position2d<s32>(0,0));
driver->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-draw2DImageRTT.png");
device->closeDevice();
device->run();
device->drop();
return result;
}
// draws a complex (interlaced, paletted, alpha) png image
bool testWithPNG(video::E_DRIVER_TYPE driverType)
{
// create device
IrrlichtDevice *device = createDevice(driverType, core::dimension2d<u32>(160,120));
if (device == 0)
return true; // could not create selected driver.
video::IVideoDriver* driver = device->getVideoDriver();
logTestString("Testing driver %ls\n", driver->getName());
video::ITexture *tex=driver->getTexture("media/RedbrushAlpha-0.25.png");
driver->beginScene(true, true, video::SColor(255,40,40,255));//Backbuffer background is blue
driver->draw2DImage(tex, core::recti(0,0,160,120), core::recti(0,0,256,256), 0, 0, true);
driver->endScene();
bool result = takeScreenshotAndCompareAgainstReference(driver, "-draw2DImagePNG.png", 98.f);
device->closeDevice();
device->run();
device->drop();
return result;
}
// draws an image and checks if the written example equals the original image
bool testExactPlacement(video::E_DRIVER_TYPE driverType)
{
// create device
IrrlichtDevice *device = createDevice(video::EDT_DIRECT3D9, core::dimension2d<u32>(160,120), 32);
if (device == 0)
return true; // could not create selected driver.
video::IVideoDriver* driver = device->getVideoDriver();
if (driver->getColorFormat() != video::ECF_A8R8G8B8 || !driver->queryFeature(video::EVDF_RENDER_TO_TARGET))
{
device->closeDevice();
device->run();
device->drop();
return true;
}
logTestString("Testing driver %ls\n", driver->getName());
video::ITexture* rt=driver->addRenderTargetTexture(core::dimension2d<u32>(32,32), "rt1");
video::ITexture *tex=driver->getTexture("../media/fireball.bmp");
driver->beginScene(true, true, video::SColor(255,40,40,255));//Backbuffer background is blue
driver->setRenderTarget(rt);
driver->draw2DImage(tex, core::recti(0,0,32,32), core::recti(0,0,64,64));
driver->setRenderTarget(0);
driver->endScene();
video::IImage* img = driver->createImage(rt, core::vector2di(), rt->getSize());
driver->writeImageToFile(img, "results/fireball.png");
bool result = binaryCompareFiles("media/fireball.png", "results/fireball.png");
device->closeDevice();
device->run();
device->drop();
return result;
}
}
bool draw2DImage()
{
bool result = true;
TestWithAllDrivers(testWithRenderTarget);
TestWithAllDrivers(testExactPlacement);
TestWithAllHWDrivers(testWithPNG);
return result;
}