C++ KisImageSP::xRes方法代码示例

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;

}

void KisShapeSelectionTest::testAddChild()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisImageSP image = new KisImage(new KisUndoAdapter(0), 300, 300, cs, "test");

    KisSelectionSP selection = new KisSelection();
    QVERIFY(selection->hasPixelSelection() == false);
    QVERIFY(selection->hasShapeSelection() == false);
    KisPixelSelectionSP pixelSelection = selection->getOrCreatePixelSelection();

    pixelSelection->select(QRect(0, 0, 100, 100));
    // Selection is using the pixel selection as datamanager so no projection update
    // needed
    QCOMPARE(pixelSelection->selected(25, 25), MAX_SELECTED);
    QCOMPARE(selection->selectedExactRect(), QRect(0, 0, 100, 100));

    QRect rect(50, 50, 100, 100);
    QTransform matrix;
    matrix.scale(1 / image->xRes(), 1 / image->yRes());
    rect = matrix.mapRect(rect);

    KoPathShape* shape = new KoPathShape();
    shape->setShapeId(KoPathShapeId);
    shape->moveTo(rect.topLeft());
    shape->lineTo(rect.topLeft() + QPointF(rect.width(), 0));
    shape->lineTo(rect.bottomRight());
    shape->lineTo(rect.topLeft() + QPointF(0, rect.height()));
    shape->close();
    shape->normalize();

    KisShapeSelection * shapeSelection = new KisShapeSelection(image, selection);
    selection->setShapeSelection(shapeSelection);
    shapeSelection->addShape(shape);

    QCOMPARE(pixelSelection->selected(25, 25), MAX_SELECTED);
    QCOMPARE(selection->selectedExactRect(), QRect(0, 0, 150, 150));

    selection->updateProjection();
}