C++ KisPaintDeviceSP::clear方法代码示例

void KisPaintDeviceTest::testClear()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);

    QVERIFY(dev->extent() == QRect(2147483647, 2147483647, 0, 0));
    QVERIFY(dev->exactBounds() == QRect(2147483647, 2147483647, 0, 0));

    dev->clear();

    QVERIFY(dev->extent() == QRect(2147483647, 2147483647, 0, 0));
    QVERIFY(dev->exactBounds() == QRect(2147483647, 2147483647, 0, 0));

    dev->clear(QRect(100, 100, 100, 100));

    // XXX: This is strange!
    QVERIFY(dev->extent() == QRect(64, 64, 192, 192));
    QVERIFY(dev->exactBounds() == QRect(64, 64, 192, 192));

    dev->clear();

    QVERIFY(dev->extent() == QRect(2147483647, 2147483647, 0, 0));
    QVERIFY(dev->exactBounds() == QRect(2147483647, 2147483647, 0, 0));

}

void KisSelectionBasedLayer::copyOriginalToProjection(const KisPaintDeviceSP original,
        KisPaintDeviceSP projection,
        const QRect& rect) const
{
    lockTemporaryTarget();

    m_d->selection->updateProjection();
    KisSelectionSP tempSelection = m_d->selection;
    KisPainter gc(projection);

    if (m_d->selection) {
        if (hasTemporaryTarget()) {
            /**
             * Cloning a selection with COW
             * FIXME: check whether it's faster than usual bitBlt'ing
             */
            tempSelection = new KisSelection(*tempSelection);

            KisPainter gc2(tempSelection->pixelSelection());
            gc2.setOpacity(temporaryOpacity());
            gc2.setCompositeOp(temporaryCompositeOp());
            gc2.bitBlt(rect.topLeft(), temporaryTarget(), rect);
        }

        projection->clear(rect);
        gc.setCompositeOp(colorSpace()->compositeOp(COMPOSITE_OVER));
        gc.setSelection(tempSelection);
    } else
        gc.setCompositeOp(colorSpace()->compositeOp(COMPOSITE_COPY));


    gc.bitBlt(rect.topLeft(), original, rect);

    unlockTemporaryTarget();
}

void KisShearVisitor::shear(KisPaintDeviceSP dev, qreal angleX, qreal angleY, KoUpdater *progress)
{
    const qreal pi = 3.1415926535897932385;
    qreal thetaX = angleX * pi / 180;
    qreal shearX = tan(thetaX);
    qreal thetaY = angleY * pi / 180;
    qreal shearY = tan(thetaY);

    QRect r = dev->exactBounds();
    progress->setRange(0, r.height() + r.width());

    KisPaintDeviceSP sheared;
    sheared = xShear(dev, shearX, progress);

    sheared = yShear(sheared, shearY, progress);
    dev->clear();

    KisPainter p2(dev);
    r = sheared->extent();

    p2.bitBlt(r.x(), r.y(), sheared, r.x(), r.y(), r.width(), r.height());
    p2.end();

    progress->setProgress(progress->maximum());
}

void KisScratchPad::fillDefault()
{
    if(!m_paintLayer) return;
    KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();

    paintDevice->setDefaultPixel(m_defaultColor.data());
    paintDevice->clear();
    update();
}

void KisScratchPad::fillBackground()
{
    if(!m_paintLayer) return;
    KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();

    KoColor c(m_resourceProvider->bgColor(), paintDevice->colorSpace());
    paintDevice->setDefaultPixel(c.data());
    paintDevice->clear();
    update();
}

void KisFilterTest::testOldDataApiAfterCopy()
{
    QRect updateRect(0,0,63,63);

    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    quint8 *whitePixel = new quint8[cs->pixelSize()];
    cs->fromQColor(Qt::white, whitePixel);
    cs->setOpacity(whitePixel, OPACITY_OPAQUE_U8, 1);

    KisPaintDeviceSP tmp = new KisPaintDevice(cs);

    KisPaintDeviceSP src = new KisPaintDevice(cs);
    src->fill(0, 0, 50, 50, whitePixel);

    /**
     * Make a full copy here to catch the bug.
     * Buggy memento manager would make a commit
     * that is not good.
     */
    KisPaintDeviceSP dst = new KisPaintDevice(*src);

    /**
     * This would write go to a new revision in a buggy
     * memento manager
     */
    dst->clear(updateRect);

    KisFilterSP f = KisFilterRegistry::instance()->value("invert");
    Q_ASSERT(f);
    KisFilterConfiguration * kfc = f->defaultConfiguration(0);
    Q_ASSERT(kfc);

    /**
     * This filter reads from oldRawData, so if we have some
     * weirdness with transactions it will read from old and non-cleared
     * version of the device and we will see a black square instead
     * of empty device in tmp
     */
    f->process(dst, tmp, 0, updateRect, kfc);

    /**
     * In theory, both devices: dst and tmp must be empty by now
     */
    KisPaintDeviceSP reference = new KisPaintDevice(cs);

    QImage refImage = reference->convertToQImage(0,0,0,63,63);
    QImage dstImage = dst->convertToQImage(0,0,0,63,63);
    QImage tmpImage = tmp->convertToQImage(0,0,0,63,63);

    QPoint pt;
    QVERIFY(TestUtil::compareQImages(pt, refImage, dstImage));
    QVERIFY(TestUtil::compareQImages(pt, refImage, tmpImage));

}

void KisUniformColorSource::colorize(KisPaintDeviceSP dev, const QRect& size)
{
    Q_UNUSED(size);
    if (!m_cachedColor || !(*dev->colorSpace() == *m_cachedColor->colorSpace())) {
        if (m_cachedColor) delete m_cachedColor;
        m_cachedColor = new KoColor(dev->colorSpace());
        m_cachedColor->fromKoColor(*m_color);
    }

    dev->dataManager()->setDefaultPixel(m_cachedColor->data());
    dev->clear();
}

void KisPaintDeviceTest::testGeometry()
{
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);

    quint8* pixel = new quint8[cs->pixelSize()];
    cs->fromQColor(Qt::white, pixel);
    dev->fill(0, 0, 512, 512, pixel);

    QCOMPARE(dev->exactBounds(), QRect(0, 0, 512, 512));
    QCOMPARE(dev->extent(), QRect(0, 0, 512, 512));

    dev->move(10, 10);

    QCOMPARE(dev->exactBounds(), QRect(10, 10, 512, 512));
    QCOMPARE(dev->extent(), QRect(10, 10, 512, 512));

    dev->crop(50, 50, 50, 50);
    QCOMPARE(dev->exactBounds(), QRect(50, 50, 50, 50));
    QCOMPARE(dev->extent(), QRect(10, 10, 128, 128));

    QColor c;

    dev->clear(QRect(50, 50, 50, 50));
    dev->pixel(80, 80, &c);
    QVERIFY(c.alpha() == OPACITY_TRANSPARENT_U8);

    dev->fill(0, 0, 512, 512, pixel);
    dev->pixel(80, 80, &c);
    QVERIFY(c == Qt::white);
    QVERIFY(c.alpha() == OPACITY_OPAQUE_U8);

    dev->clear();
    dev->pixel(80, 80, &c);
    QVERIFY(c.alpha() == OPACITY_TRANSPARENT_U8);

    QVERIFY(dev->extent().isEmpty());
    QVERIFY(dev->exactBounds().isEmpty());

}

void KisPaintDeviceTest::testDeviceDuplication()
{
    QRect fillRect(0,0,64,64);
    quint8 fillPixel[4]={255,255,255,255};
    QRect clearRect(10,10,20,20);
    QImage referenceImage;
    QImage resultImage;

    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP device = new KisPaintDevice(cs);

//    qDebug()<<"FILLING";
    device->fill(fillRect.left(), fillRect.top(),
                 fillRect.width(), fillRect.height(),fillPixel);
    referenceImage = device->convertToQImage(0);


    KisTransaction transaction1(device);
//    qDebug()<<"CLEARING";
    device->clear(clearRect);

    transaction1.revert();

    resultImage = device->convertToQImage(0);
    QVERIFY(resultImage == referenceImage);

    KisPaintDeviceSP clone =  new KisPaintDevice(*device);

    KisTransaction transaction(clone);
//    qDebug()<<"CLEARING";
    clone->clear(clearRect);

    transaction.revert();

    resultImage = clone->convertToQImage(0);
    QVERIFY(resultImage == referenceImage);

}

void TransformStrokeStrategy::clearSelection(KisPaintDeviceSP device)
{
    KisTransaction transaction(device);
    if (m_selection) {
        device->clearSelection(m_selection);
    } else {
        QRect oldExtent = device->extent();
        device->clear();
        device->setDirty(oldExtent);
    }
    runAndSaveCommand(KUndo2CommandSP(transaction.endAndTake()),
                      KisStrokeJobData::SEQUENTIAL,
                      KisStrokeJobData::NORMAL);
}

void KisPaintDeviceTest::testFastBitBlt()
{
    QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");
    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dstDev = new KisPaintDevice(cs);
    KisPaintDeviceSP srcDev = new KisPaintDevice(cs);
    srcDev->convertFromQImage(image, 0);

    QRect cloneRect(100,100,200,200);
    QPoint errpoint;


    QVERIFY(dstDev->fastBitBltPossible(srcDev));
    dstDev->fastBitBlt(srcDev, cloneRect);

    QImage srcImage = srcDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                               cloneRect.width(), cloneRect.height());
    QImage dstImage = dstDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                              cloneRect.width(), cloneRect.height());

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

    // Test Rough version
    dstDev->clear();
    dstDev->fastBitBltRough(srcDev, cloneRect);

    srcImage = srcDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                       cloneRect.width(), cloneRect.height());
    dstImage = dstDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
                                       cloneRect.width(), cloneRect.height());

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

    srcDev->move(10,10);
    QVERIFY(!dstDev->fastBitBltPossible(srcDev));
}

void checkReadWriteRoundTrip(KisPaintDeviceSP dev,
                             const QRect &rc)
{
    KisPaintDeviceSP deviceCopy = new KisPaintDevice(*dev.data());

    QRect readRect(10, 10, 20, 20);
    int bufSize = rc.width() * rc.height() * dev->pixelSize();

    QScopedPointer<quint8> buf1(new quint8[bufSize]);

    deviceCopy->readBytes(buf1.data(), rc);

    deviceCopy->clear();
    QVERIFY(deviceCopy->extent().isEmpty());


    QScopedPointer<quint8> buf2(new quint8[bufSize]);
    deviceCopy->writeBytes(buf1.data(), rc);
    deviceCopy->readBytes(buf2.data(), rc);

    QVERIFY(!memcmp(buf1.data(), buf2.data(), bufSize));
}

void KisScratchPad::fillGradient()
{
    if(!m_paintLayer) return;
    KisPaintDeviceSP paintDevice = m_paintLayer->paintDevice();

    KoAbstractGradient* gradient = m_resourceProvider->currentGradient();
    QRect gradientRect = widgetToDocument().mapRect(rect());

    paintDevice->clear();

    KisGradientPainter painter(paintDevice);

    painter.setGradient(gradient);
    painter.paintGradient(gradientRect.topLeft(),
                          gradientRect.bottomRight(),
                          KisGradientPainter::GradientShapeLinear,
                          KisGradientPainter::GradientRepeatNone,
                          0.2, false,
                          gradientRect.left(), gradientRect.top(),
                          gradientRect.width(), gradientRect.height());

    update();
}

void KisPaintDeviceTest::testSharedDataManager()
{
    QRect fillRect(0,0,100,100);
    quint8 fillPixel[4]={255,255,255,255};
    QRect clearRect(10,10,20,20);
    QImage srcImage;
    QImage dstImage;

    const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP srcDevice = new KisPaintDevice(cs);

    srcDevice->setX(10);
    srcDevice->setY(20);

    srcDevice->fill(fillRect.left(), fillRect.top(),
                 fillRect.width(), fillRect.height(),fillPixel);

    KisPaintDeviceSP dstDevice = new KisPaintDevice(srcDevice->dataManager(), srcDevice);


    QVERIFY(srcDevice->extent() == dstDevice->extent());
    QVERIFY(srcDevice->exactBounds() == dstDevice->exactBounds());
    QVERIFY(srcDevice->defaultBounds() == dstDevice->defaultBounds());
    QVERIFY(srcDevice->x() == dstDevice->x());
    QVERIFY(srcDevice->y() == dstDevice->y());

    srcImage = srcDevice->convertToQImage(0);
    dstImage = dstDevice->convertToQImage(0);
    QVERIFY(srcImage == dstImage);

    srcDevice->clear(clearRect);

    srcImage = srcDevice->convertToQImage(0);
    dstImage = dstDevice->convertToQImage(0);
    QVERIFY(srcImage == dstImage);
}

void KisTransactionTest::testUndoWithUnswitchedFrames()
{
    KisSurrogateUndoAdapter undoAdapter;
    const QRect imageRect(0,0,100,100);


    const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
    KisPaintDeviceSP dev = new KisPaintDevice(cs);

    TestUtil::TestingTimedDefaultBounds *bounds = new TestUtil::TestingTimedDefaultBounds();
    dev->setDefaultBounds(bounds);

    KisRasterKeyframeChannel *channel = dev->createKeyframeChannel(KisKeyframeChannel::Content);
    QVERIFY(channel);

    KisPaintDeviceFramesInterface *i = dev->framesInterface();
    QVERIFY(i);

    QCOMPARE(i->frames().size(), 1);


    dev->fill(QRect(10,10,20,20), KoColor(Qt::white, cs));

    KIS_DUMP_DEVICE_2(dev, imageRect, "00_f0_w20", "dd");
    QCOMPARE(dev->exactBounds(), QRect(10,10,20,20));


    // add keyframe at position 10
    channel->addKeyframe(10);

    // add keyframe at position 11
    channel->addKeyframe(11);

    // add keyframe at position 12
    channel->addKeyframe(12);

    KIS_DUMP_DEVICE_2(dev, imageRect, "01_f0_b20", "dd");
    QCOMPARE(dev->exactBounds(), QRect(10,10,20,20));

    {
        KisTransaction transaction(kundo2_noi18n("first_stroke"), dev, 0);

        dev->clear();
        dev->fill(QRect(40,40,21,21), KoColor(Qt::red, cs));

        transaction.commit(&undoAdapter);

        KIS_DUMP_DEVICE_2(dev, imageRect, "02_f0_b21_stroke", "dd");
        QCOMPARE(dev->exactBounds(), QRect(40,40,21,21));
    }

    // switch to frame 10
    bounds->testingSetTime(10);

    KIS_DUMP_DEVICE_2(dev, imageRect, "03_f10_b0_switched", "dd");
    QVERIFY(dev->exactBounds().isEmpty());

    {
        KisTransaction transaction(kundo2_noi18n("second_stroke"), dev, 0);

        dev->fill(QRect(60,60,22,22), KoColor(Qt::green, cs));

        transaction.commit(&undoAdapter);

        KIS_DUMP_DEVICE_2(dev, imageRect, "04_f10_b22_stroke", "dd");
        QCOMPARE(dev->exactBounds(), QRect(60,60,22,22));
    }

    undoAdapter.undo();

    KIS_DUMP_DEVICE_2(dev, imageRect, "05_f10_b0_undone", "dd");
    QVERIFY(dev->exactBounds().isEmpty());

    bounds->testingSetTime(0);
    KIS_DUMP_DEVICE_2(dev, imageRect, "06_f0_b21_undone", "dd");
    QCOMPARE(dev->exactBounds(), QRect(40,40,21,21));

    bounds->testingSetTime(10);
    QVERIFY(dev->exactBounds().isEmpty());

    undoAdapter.undo();

    KIS_DUMP_DEVICE_2(dev, imageRect, "07_f10_b0_undone_x2", "dd");
    QVERIFY(dev->exactBounds().isEmpty());

    bounds->testingSetTime(0);
    KIS_DUMP_DEVICE_2(dev, imageRect, "08_f0_b20_undone_x2", "dd");
    QCOMPARE(dev->exactBounds(), QRect(10,10,20,20));

    {
        KisTransaction transaction(kundo2_noi18n("third_move"), dev, 0);

        dev->moveTo(17,17);

        transaction.commit(&undoAdapter);

        KIS_DUMP_DEVICE_2(dev, imageRect, "09_f0_o27_move", "dd");
        QCOMPARE(dev->exactBounds(), QRect(27,27,20,20));
    }

//.........这里部分代码省略.........