void KisPrescaledProjectionTest::testScalingUndeferredSmoothingPixelForPixel()
{
// Set up a nice image
QImage qimage(QString(FILES_DATA_DIR) + QDir::separator() + "lena.png");
// Undo adapter not necessary
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisImageSP image = new KisImage(0, qimage.width(), qimage.height(), cs, "projection test");
// 300 dpi recalculated to pixels per point (of which there are 72
// to the inch)
image->setResolution(100 / 72 , 100 / 72);
KisPaintLayerSP layer = new KisPaintLayer(image, "test", OPACITY_OPAQUE_U8, cs);
image->addNode(layer.data(), image->rootLayer(), 0);
layer->paintDevice()->convertFromQImage(qimage, 0);
KisPrescaledProjection projection;
KisCoordinatesConverter converter;
converter.setImage(image);
projection.setCoordinatesConverter(&converter);
projection.setMonitorProfile(0,
KoColorConversionTransformation::internalRenderingIntent(),
KoColorConversionTransformation::internalConversionFlags());
projection.setImage(image);
// pixel-for-pixel, at 100% zoom
converter.setResolution(image->xRes(), image->yRes());
testProjectionScenario(projection, &converter, "pixel_for_pixel");
}
void KisPrescaledProjectionTest::benchmarkUpdate()
{
QImage referenceImage(QString(FILES_DATA_DIR) + QDir::separator() + "lena.png");
QRect imageRect = QRect(QPoint(0,0), referenceImage.size());
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisImageSP image = new KisImage(0, imageRect.width(), imageRect.height(), cs, "projection test");
// set up 300dpi
image->setResolution(300 / 72 , 300 / 72);
KisPaintLayerSP layer = new KisPaintLayer(image, "paint1", OPACITY_OPAQUE_U8, cs);
layer->paintDevice()->convertFromQImage(referenceImage, 0);
image->addNode(layer, image->rootLayer(), 0);
KisPrescaledProjection projection;
KisCoordinatesConverter converter;
converter.setImage(image);
projection.setCoordinatesConverter(&converter);
projection.setMonitorProfile(0,
KoColorConversionTransformation::internalRenderingIntent(),
KoColorConversionTransformation::internalConversionFlags());
projection.setImage(image);
// Emulate "Use same aspect as pixels"
converter.setResolution(image->xRes(), image->yRes());
converter.setZoom(1.0);
KisUpdateInfoSP info = projection.updateCache(image->bounds());
projection.recalculateCache(info);
QCOMPARE(imageRect, QRect(0,0,512,512));
QRect dirtyRect(0,0,20,20);
const qint32 numShifts = 25;
const QPoint offset(dirtyRect.width(),dirtyRect.height());
//CALLGRIND_START_INSTRUMENTATION;
QBENCHMARK {
for(qint32 i = 0; i < numShifts; i++) {
KisUpdateInfoSP tempInfo = projection.updateCache(dirtyRect);
projection.recalculateCache(tempInfo);
dirtyRect.translate(offset);
}
}
//CALLGRIND_STOP_INSTRUMENTATION;
}