C++ KisPaintDeviceSP::extent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));

}

KisPaintDeviceSP KisMultipleProjection::getProjection(const QString &id, const QString &compositeOpId, KisPaintDeviceSP prototype)
{
    QReadLocker readLocker(&m_d->lock);

    PlanesMap::const_iterator constIt = m_d->planes.constFind(id);

    if (constIt == m_d->planes.constEnd() ||
        constIt->compositeOpId != compositeOpId ||
        !(*constIt->device->colorSpace() == *prototype->colorSpace())) {

        readLocker.unlock();

        {
            QWriteLocker writeLocker(&m_d->lock);

            PlanesMap::iterator writeIt = m_d->planes.find(id);
            if (writeIt == m_d->planes.end()) {
                ProjectionStruct plane;
                plane.device = new KisPaintDevice(*prototype);
                plane.compositeOpId = compositeOpId;
                writeIt = m_d->planes.insert(id, plane);
            } else if (writeIt->compositeOpId != compositeOpId ||
                       !(*writeIt->device->colorSpace() == *prototype->colorSpace())) {

                writeIt->device->makeCloneFromRough(prototype, prototype->extent());
                writeIt->compositeOpId = compositeOpId;
            }

            return writeIt->device;
        }
    }

    return constIt->device;
}

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 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 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::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 KisPaintDeviceTest::testTranslate()
{
    QRect fillRect(0,0,64,64);
    quint8 fillPixel[4]={255,255,255,255};

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

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

    device->setX(-10);
    device->setY(10);
    QCOMPARE(device->exactBounds(), QRect(-10,10,64,64));
    QCOMPARE(device->extent(), QRect(-10,10,64,64));
}

void TransformStrokeStrategy::transformAndMergeDevice(const ToolTransformArgs &config,
                                                      KisPaintDeviceSP src,
                                                      KisPaintDeviceSP dst,
                                                      KisProcessingVisitor::ProgressHelper *helper)
{
    KoUpdaterPtr mergeUpdater = src != dst ? helper->updater() : 0;

    KisTransformUtils::transformDevice(config, src, helper);
    if (src != dst) {
        QRect mergeRect = src->extent();
        KisPainter painter(dst);
        painter.setProgress(mergeUpdater);
        painter.bitBlt(mergeRect.topLeft(), src, mergeRect);
        painter.end();
    }
}

void KisRecordedFilterAction::play(KisNodeSP node, const KisPlayInfo& _info, KoUpdater* _updater) const
{
    KisFilterConfiguration * kfc = d->configuration();
    KisPaintDeviceSP dev = node->paintDevice();
    KisLayerSP layer = dynamic_cast<KisLayer*>(node.data());
    QRect r1 = dev->extent();
    KisTransaction transaction(kundo2_i18n("Filter: \"%1\"", d->filter->name()), dev);

    KisImageWSP image = _info.image();
    r1 = r1.intersected(image->bounds());
    if (layer && layer->selection()) {
        r1 = r1.intersected(layer->selection()->selectedExactRect());
    }

    d->filter->process(dev, dev, layer->selection(), r1, kfc, _updater);
    node->setDirty(r1);

    transaction.commit(_info.undoAdapter());
}

void KisFilterStrokeStrategy::initStrokeCallback()
{
    KisPainterBasedStrokeStrategy::initStrokeCallback();

    KisPaintDeviceSP dev = targetDevice();
    m_d->filterDeviceBounds = dev->extent();


    if (activeSelection() ||
        (dev->colorSpace() != dev->compositionSourceColorSpace() &&
         !(dev->colorSpace() == dev->compositionSourceColorSpace()))) {

        m_d->filterDevice = dev->createCompositionSourceDevice(dev);
        m_d->secondaryTransaction = new KisTransaction(m_d->filterDevice);

        if (activeSelection()) {
            m_d->filterDeviceBounds &= activeSelection()->selectedRect();
        }
    } else {
        m_d->filterDevice = dev;
    }
}

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 KisFilterFastColorTransfer::processImpl(KisPaintDeviceSP device,
                                             const QRect& applyRect,
                                             const KisFilterConfiguration* config,
                                             KoUpdater* progressUpdater) const
{
    Q_ASSERT(device != 0);

    dbgPlugins << "Start transferring color";

    // Convert ref and src to LAB
    const KoColorSpace* labCS = KoColorSpaceRegistry::instance()->lab16();
    if (!labCS) {
        dbgPlugins << "The LAB colorspace is not available.";
        return;
    }
    
    dbgPlugins << "convert a copy of src to lab";
    const KoColorSpace* oldCS = device->colorSpace();
    KisPaintDeviceSP srcLAB = new KisPaintDevice(*device.data());
    dbgPlugins << "srcLab : " << srcLAB->extent();
    KUndo2Command* cmd = srcLAB->convertTo(labCS, KoColorConversionTransformation::internalRenderingIntent(), KoColorConversionTransformation::internalConversionFlags());
    delete cmd;

    if (progressUpdater) {
        progressUpdater->setRange(0, 2 * applyRect.width() * applyRect.height());
    }
    int count = 0;

    // Compute the means and sigmas of src
    dbgPlugins << "Compute the means and sigmas of src";
    double meanL_src = 0., meanA_src = 0., meanB_src = 0.;
    double sigmaL_src = 0., sigmaA_src = 0., sigmaB_src = 0.;

    KisSequentialConstIterator srcIt(srcLAB, applyRect);

    do {
        const quint16* data = reinterpret_cast<const quint16*>(srcIt.oldRawData());
        quint32 L = data[0];
        quint32 A = data[1];
        quint32 B = data[2];
        meanL_src += L;
        meanA_src += A;
        meanB_src += B;
        sigmaL_src += L * L;
        sigmaA_src += A * A;
        sigmaB_src += B * B;
        if (progressUpdater) progressUpdater->setValue(++count);
    } while (srcIt.nextPixel() && !(progressUpdater && progressUpdater->interrupted()));
    
    double totalSize = 1. / (applyRect.width() * applyRect.height());
    meanL_src *= totalSize;
    meanA_src *= totalSize;
    meanB_src *= totalSize;
    sigmaL_src *= totalSize;
    sigmaA_src *= totalSize;
    sigmaB_src *= totalSize;
    
    dbgPlugins << totalSize << "" << meanL_src << "" << meanA_src << "" << meanB_src << "" << sigmaL_src << "" << sigmaA_src << "" << sigmaB_src;
    
    double meanL_ref = config->getDouble("meanL");
    double meanA_ref = config->getDouble("meanA");
    double meanB_ref = config->getDouble("meanB");
    double sigmaL_ref = config->getDouble("sigmaL");
    double sigmaA_ref = config->getDouble("sigmaA");
    double sigmaB_ref = config->getDouble("sigmaB");
    
    
    // Transfer colors
    dbgPlugins << "Transfer colors";
    {
        double coefL = sqrt((sigmaL_ref - meanL_ref * meanL_ref) / (sigmaL_src - meanL_src * meanL_src));
        double coefA = sqrt((sigmaA_ref - meanA_ref * meanA_ref) / (sigmaA_src - meanA_src * meanA_src));
        double coefB = sqrt((sigmaB_ref - meanB_ref * meanB_ref) / (sigmaB_src - meanB_src * meanB_src));
        KisHLineConstIteratorSP srcLABIt = srcLAB->createHLineConstIteratorNG(applyRect.x(), applyRect.y(), applyRect.width());
        KisHLineIteratorSP dstIt = device->createHLineIteratorNG(applyRect.x(), applyRect.y(), applyRect.width());
        quint16 labPixel[4];
        for (int y = 0; y < applyRect.height() && !(progressUpdater && progressUpdater->interrupted()); ++y) {
            do {
                const quint16* data = reinterpret_cast<const quint16*>(srcLABIt->oldRawData());
                labPixel[0] = (quint16)CLAMP(((double)data[0] - meanL_src) * coefL + meanL_ref, 0., 65535.);
                labPixel[1] = (quint16)CLAMP(((double)data[1] - meanA_src) * coefA + meanA_ref, 0., 65535.);
                labPixel[2] = (quint16)CLAMP(((double)data[2] - meanB_src) * coefB + meanB_ref, 0., 65535.);
                labPixel[3] = data[3];
                oldCS->fromLabA16(reinterpret_cast<const quint8*>(labPixel), dstIt->rawData(), 1);
                if (progressUpdater) progressUpdater->setValue(++count);
                srcLABIt->nextPixel();
            } while(dstIt->nextPixel());
            dstIt->nextRow();
            srcLABIt->nextRow();
        }

    }
}