C++ KisFixedPaintDeviceSP::convertToQImage方法代码示例

void KisAutoBrushTest::testMaskGeneration()
{
    KisCircleMaskGenerator* circle = new KisCircleMaskGenerator(10, 1.0, 1.0, 1.0, 2, false);
    KisBrushSP a = new KisAutoBrush(circle, 0.0, 0.0);
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();

    KisPaintInformation info(QPointF(100.0, 100.0), 0.5);

    // check masking an existing paint device
    KisFixedPaintDeviceSP fdev = new KisFixedPaintDevice(cs);
    fdev->setRect(QRect(0, 0, 100, 100));
    fdev->initialize();
    cs->setOpacity(fdev->data(), OPACITY_OPAQUE_U8, 100 * 100);

    QPoint errpoint;
    QImage result(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_1.png");
    QImage image = fdev->convertToQImage(0);

    if (!TestUtil::compareQImages(errpoint, image, result)) {
        image.save("kis_autobrush_test_1.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }

    // Check creating a mask dab with a single color
    fdev = new KisFixedPaintDevice(cs);
    a->mask(fdev, KoColor(Qt::black, cs), KisDabShape(), info);

    result = QImage(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_3.png");
    image = fdev->convertToQImage(0);
    if (!TestUtil::compareQImages(errpoint, image, result)) {
        image.save("kis_autobrush_test_3.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }

    // Check creating a mask dab with a color taken from a paint device
    KoColor red(Qt::red, cs);
    cs->setOpacity(red.data(), quint8(128), 1);
    KisPaintDeviceSP dev = new KisPaintDevice(cs);
    dev->fill(0, 0, 100, 100, red.data());

    fdev = new KisFixedPaintDevice(cs);
    a->mask(fdev, dev, KisDabShape(), info);

    result = QImage(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_4.png");
    image = fdev->convertToQImage(0);
    if (!TestUtil::compareQImages(errpoint, image, result)) {
        image.save("kis_autobrush_test_4.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }

}

void KisFixedPaintDeviceTest::testFill()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    quint8* red = new quint8[cs->pixelSize()];
    memcpy(red, KoColor(Qt::red, cs).data(), cs->pixelSize());
    cs->setOpacity(red, quint8(128), 1);

    KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
    dev->fill(0, 0, 100, 100, red);

    QVERIFY(dev->bounds() == QRect(0, 0, 100, 100));
    QVERIFY(cs->opacityU8(dev->data()) == 128);
    QVERIFY(memcmp(dev->data(), red, cs->pixelSize()) == 0);
 
    //Compare fill will normal paint device
    dev = new KisFixedPaintDevice(cs);
    dev->setRect(QRect(0, 0, 150, 150));
    dev->initialize();
    dev->fill(50, 50, 50, 50, red);
    
    KisPaintDeviceSP dev2 = new KisPaintDevice(cs);
    dev2->fill(50, 50, 50, 50, red);
    
    QImage image = dev->convertToQImage(0);
    QImage checkImage = dev2->convertToQImage(0, 0, 0, 150, 150);
    QPoint errpoint;

    if (!TestUtil::compareQImages(errpoint, image, checkImage)) {
        image.save("kis_fixed_paint_device_filled_result.png");
        checkImage.save("kis_fixed_paint_device_filled_result_expected.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    } 
    
    delete[] red;
}

//#define SAVE_OUTPUT_IMAGES
void KisAutoBrushTest::testCopyMasking()
{
    int w = 64;
    int h = 64;
    int x = 0;
    int y = 0;
    QRect rc(x, y, w, h);

    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();

    KoColor black(Qt::black, cs);
    KoColor red(Qt::red, cs);


    KisPaintDeviceSP tempDev = new KisPaintDevice(cs);
    tempDev->fill(0, 0, w, h, red.data());
#ifdef SAVE_OUTPUT_IMAGES
    tempDev->convertToQImage(0).save("tempDev.png");
#endif

    KisCircleMaskGenerator * mask = new KisCircleMaskGenerator(w, 1.0, 0.5, 0.5, 2, true);
    KisAutoBrush brush(mask, 0, 0);

    KisFixedPaintDeviceSP maskDab = new KisFixedPaintDevice(cs);
    brush.mask(maskDab, black, KisDabShape(), KisPaintInformation());
    maskDab->convertTo(KoColorSpaceRegistry::instance()->alpha8());

#ifdef SAVE_OUTPUT_IMAGES
    maskDab->convertToQImage(0, 0, 0, 64, 64).save("maskDab.png");
#endif

    QCOMPARE(tempDev->exactBounds(), rc);
    QCOMPARE(maskDab->bounds(), rc);

    KisFixedPaintDeviceSP dev2fixed = new KisFixedPaintDevice(cs);
    dev2fixed->setRect(rc);
    dev2fixed->initialize();
    tempDev->readBytes(dev2fixed->data(), rc);
    dev2fixed->convertToQImage(0).save("converted-tempDev-to-fixed.png");

    KisPaintDeviceSP dev = new KisPaintDevice(cs);
    KisPainter painter(dev);
    painter.setCompositeOp(COMPOSITE_COPY);
    painter.bltFixedWithFixedSelection(x, y, dev2fixed, maskDab, 0, 0, 0, 0, rc.width(), rc.height());
    //painter.bitBltWithFixedSelection(x, y, tempDev, maskDab, 0, 0, 0, 0, rc.width(), rc.height());

#ifdef SAVE_OUTPUT_IMAGES
    dev->convertToQImage(0).save("final.png");
#endif
}

QImage KisAutoBrush::createBrushPreview()
{
    srand(0);
    srand48(0);
    int width = maskWidth(1.0, 0.0, 0.0, 0.0, KisPaintInformation());
    int height = maskHeight(1.0, 0.0, 0.0, 0.0, KisPaintInformation());

    KisPaintInformation info(QPointF(width * 0.5, height * 0.5), 0.5, 0, 0, 0, 0);

    KisFixedPaintDeviceSP fdev = new KisFixedPaintDevice( KoColorSpaceRegistry::instance()->rgb8() );
    fdev->setRect(QRect(0, 0, width, height));
    fdev->initialize();

    mask(fdev,KoColor(Qt::black, fdev->colorSpace()),1.0, 1.0, 0.0, info);
    return fdev->convertToQImage(0);
}

void KisFixedPaintDeviceTest::testRoundtripQImageConversion()
{
    QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
    dev->convertFromQImage(image, 0);
    QImage result = dev->convertToQImage(0, 0, 0, 640, 441);

    QPoint errpoint;

    if (!TestUtil::compareQImages(errpoint, image, result)) {
        image.save("kis_fixed_paint_device_test_test_roundtrip_qimage.png");
        result.save("kis_fixed_paint_device_test_test_roundtrip_result.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }
}

void KisFixedPaintDeviceTest::testBltFixed()
{
    QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisFixedPaintDeviceSP fdev = new KisFixedPaintDevice(cs);
    fdev->convertFromQImage(image, 0);

    // Without opacity
    KisPaintDeviceSP dev = new KisPaintDevice(cs);
    KisPainter gc(dev);
    gc.bltFixed(QPoint(0, 0), fdev, image.rect());

    QImage result = dev->convertToQImage(0, 0, 0, 640, 441);

    QPoint errpoint;

    if (!TestUtil::compareQImages(errpoint, image, result, 1)) {
        fdev->convertToQImage(0).save("kis_fixed_paint_device_test_test_blt_fixed_expected.png");
        result.save("kis_fixed_paint_device_test_test_blt_fixed_result.png");
        QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
    }

}