示例#1
0
inline void KisColorSmudgeOp::getTopLeftAligned(const QPointF &pos, const QPointF &hotSpot, qint32 *x, qint32 *y)
{
    QPointF topLeft = pos - hotSpot;

    qreal xFraction, yFraction; // will not be used
    splitCoordinate(topLeft.x(), x, &xFraction);
    splitCoordinate(topLeft.y(), y, &yFraction);
}
示例#2
0
void KisBrushOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()->device()) return;

    KisBrushSP brush = m_brush;
    Q_ASSERT(brush);
    if (!brush) return;

    KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
    if (!brush->canPaintFor(adjustedInfo))
        return;

    KisPaintDeviceSP device = painter()->device();

    double pScale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());   // TODO: why is there scale and pScale that seems to contains the same things ?
    QPointF hotSpot = brush->hotSpot(pScale, pScale);
    QPointF pt = info.pos() - hotSpot;

    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x;
    double xFraction;
    qint32 y;
    double yFraction;

    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);

    quint8 origOpacity = settings->m_optionsWidget->m_opacityOption->apply(painter(), info.pressure());
    KoColor origColor = settings->m_optionsWidget->m_darkenOption->apply(painter(), info.pressure());

    double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());

    KisFixedPaintDeviceSP dab = cachedDab(device->colorSpace());
    if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
        dab = brush->image(device->colorSpace(), scale, 0.0, adjustedInfo, xFraction, yFraction);
    } else {
        KoColor color = painter()->paintColor();
        color.convertTo(dab->colorSpace());
        brush->mask(dab, color, scale, scale, 0.0, info, xFraction, yFraction);
    }

    painter()->bltFixed(QPoint(x, y), dab, dab->bounds());
    painter()->setOpacity(origOpacity);
    painter()->setPaintColor(origColor);

}
示例#3
0
void KisFilterOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()) {
        return;
    }

    KisFilterSP filter = settings->filter();
    if (!filter) {
        return;
    }

    if (!source()) {
        return;
    }

    KisBrushSP brush = m_brush;;
    if (!brush) return;

    KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
    if (! brush->canPaintFor(adjustedInfo))
        return;

    double pScale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());   // TODO: why is there scale and pScale that seems to contains the same things ?
    QPointF hotSpot = brush->hotSpot(pScale, pScale);
    QPointF pt = info.pos() - hotSpot;


    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x;
    double xFraction;
    qint32 y;
    double yFraction;

    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);

    double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());

    qint32 maskWidth = brush->maskWidth(scale, 0.0);
    qint32 maskHeight = brush->maskHeight(scale, 0.0);

    // Filter the paint device
    filter->process(KisConstProcessingInformation(source(), QPoint(x, y)),
                    KisProcessingInformation(m_tmpDevice, QPoint(0, 0)),
                    QSize(maskWidth, maskHeight),
                    settings->filterConfig(), 0);

    // Apply the mask on the paint device (filter before mask because edge pixels may be important)

    KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_tmpDevice->colorSpace());
    fixedDab->setRect(m_tmpDevice->extent());
    fixedDab->initialize();

    m_tmpDevice->readBytes(fixedDab->data(), fixedDab->bounds());
    brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
    m_tmpDevice->writeBytes(fixedDab->data(), fixedDab->bounds());

    if (!settings->ignoreAlpha()) {
        KisHLineIteratorPixel itTmpDev = m_tmpDevice->createHLineIterator(0, 0, maskWidth);
        KisHLineIteratorPixel itSrc = source()->createHLineIterator(x, y, maskWidth);
        const KoColorSpace* cs = m_tmpDevice->colorSpace();
        for (int y = 0; y < maskHeight; ++y) {
            while (!itTmpDev.isDone()) {
                quint8 alphaTmpDev = cs->alpha(itTmpDev.rawData());
                quint8 alphaSrc = cs->alpha(itSrc.rawData());

                cs->setAlpha(itTmpDev.rawData(), qMin(alphaTmpDev, alphaSrc), 1);
                ++itTmpDev;
                ++itSrc;
            }
            itTmpDev.nextRow();
            itSrc.nextRow();
        }
    }

    // Blit the paint device onto the layer
    QRect dabRect = QRect(0, 0, maskWidth, maskHeight);
    QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());

    if (painter()->bounds().isValid()) {
        dstRect &= painter()->bounds();
    }
    if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;

    qint32 sx = dstRect.x() - x;
    qint32 sy = dstRect.y() - y;
    qint32 sw = dstRect.width();
    qint32 sh = dstRect.height();

    painter()->bitBlt(dstRect.x(), dstRect.y(), m_tmpDevice, sx, sy, sw, sh);

}
示例#4
0
void KisDuplicateOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()) return;

    if (!m_duplicateStartIsSet) {
        m_duplicateStartIsSet = true;
        m_duplicateStart = info.pos();
    }

    bool heal = settings->healing();

    if (!source()) return;

    KisBrushSP brush = m_brush;
    if (!brush) return;
    if (! brush->canPaintFor(info))
        return;

    double scale = KisPaintOp::scaleForPressure(info.pressure());
    QPointF hotSpot = brush->hotSpot(scale, scale);
    QPointF pt = info.pos() - hotSpot;

    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x;
    double xFraction;
    qint32 y;
    double yFraction;

    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);
    xFraction = yFraction = 0.0;

    QPointF srcPointF = pt - settings->offset();
    QPoint srcPoint = QPoint(x - static_cast<qint32>(settings->offset().x()),
                             y - static_cast<qint32>(settings->offset().y()));


    qint32 sw = brush->maskWidth(scale, 0.0);
    qint32 sh = brush->maskHeight(scale, 0.0);

    if (srcPoint.x() < 0)
        srcPoint.setX(0);

    if (srcPoint.y() < 0)
        srcPoint.setY(0);
    if (!(m_srcdev && !(*m_srcdev->colorSpace() == *source()->colorSpace()))) {
        m_srcdev = new KisPaintDevice(source()->colorSpace());
    }
    Q_CHECK_PTR(m_srcdev);

    // Perspective correction ?
    KisPainter copyPainter(m_srcdev);
    KisImageSP image = settings->m_image;
    if (settings->perspectiveCorrection() && image && image->perspectiveGrid()->countSubGrids() == 1) {
        Matrix3qreal startM = Matrix3qreal::Identity();
        Matrix3qreal endM = Matrix3qreal::Identity();

        // First look for the grid corresponding to the start point
        KisSubPerspectiveGrid* subGridStart = *image->perspectiveGrid()->begin();
        QRect r = QRect(0, 0, image->width(), image->height());

#if 1
        if (subGridStart) {
            startM = KisPerspectiveMath::computeMatrixTransfoFromPerspective(r, *subGridStart->topLeft(), *subGridStart->topRight(), *subGridStart->bottomLeft(), *subGridStart->bottomRight());
        }
#endif
#if 1
        // Second look for the grid corresponding to the end point
        KisSubPerspectiveGrid* subGridEnd = *image->perspectiveGrid()->begin();
        if (subGridEnd) {
            endM = KisPerspectiveMath::computeMatrixTransfoToPerspective(*subGridEnd->topLeft(), *subGridEnd->topRight(), *subGridEnd->bottomLeft(), *subGridEnd->bottomRight(), r);
        }
#endif

        // Compute the translation in the perspective transformation space:
        QPointF positionStartPaintingT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart));
        QPointF duplicateStartPositionT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart) - QPointF(settings->offset()));
        QPointF translat = duplicateStartPositionT - positionStartPaintingT;
        KisRectIteratorPixel dstIt = m_srcdev->createRectIterator(0, 0, sw, sh);
        KisRandomSubAccessorPixel srcAcc = source()->createRandomSubAccessor();
        //Action
        while (!dstIt.isDone()) {
            if (dstIt.isSelected()) {
                QPointF p =  KisPerspectiveMath::matProd(startM, KisPerspectiveMath::matProd(endM, QPointF(dstIt.x() + x, dstIt.y() + y)) + translat);
                srcAcc.moveTo(p);
                srcAcc.sampledOldRawData(dstIt.rawData());
            }
            ++dstIt;
        }


    } else {
        // Or, copy the source data on the temporary device:
        copyPainter.setCompositeOp(COMPOSITE_COPY);
        copyPainter.bitBlt(0, 0, source(), srcPoint.x(), srcPoint.y(), sw, sh);
        copyPainter.end();
    }

    // heal ?

    if (heal) {
        quint16 dataDevice[4];
        quint16 dataSrcDev[4];
        double* matrix = new double[ 3 * sw * sh ];
        // First divide
        const KoColorSpace* deviceCs = source()->colorSpace();
        KisHLineConstIteratorPixel deviceIt = source()->createHLineConstIterator(x, y, sw);
        KisHLineIteratorPixel srcDevIt = m_srcdev->createHLineIterator(0, 0, sw);
        double* matrixIt = &matrix[0];
        for (int j = 0; j < sh; j++) {
            for (int i = 0; !srcDevIt.isDone(); i++) {
                deviceCs->toLabA16(deviceIt.rawData(), (quint8*)dataDevice, 1);
                deviceCs->toLabA16(srcDevIt.rawData(), (quint8*)dataSrcDev, 1);
                // Division
                for (int k = 0; k < 3; k++) {
                    matrixIt[k] = dataDevice[k] / (double)qMax((int)dataSrcDev [k], 1);
                }
                ++deviceIt;
                ++srcDevIt;
                matrixIt += 3;
            }
            deviceIt.nextRow();
            srcDevIt.nextRow();
        }
        // Minimize energy
        {
            int iter = 0;
            double err;
            double* solution = new double [ 3 * sw * sh ];
            do {
                err = minimizeEnergy(&matrix[0], &solution[0], sw, sh);
                memcpy(&matrix[0], &solution[0], sw * sh * 3 * sizeof(double));
                iter++;
            } while (err < 0.00001 && iter < 100);
            delete [] solution;
        }

        // Finaly multiply
        deviceIt = source()->createHLineIterator(x, y, sw);
        srcDevIt = m_srcdev->createHLineIterator(0, 0, sw);
        matrixIt = &matrix[0];
        for (int j = 0; j < sh; j++) {
            for (int i = 0; !srcDevIt.isDone(); i++) {
                deviceCs->toLabA16(deviceIt.rawData(), (quint8*)dataDevice, 1);
                deviceCs->toLabA16(srcDevIt.rawData(), (quint8*)dataSrcDev, 1);
                // Multiplication
                for (int k = 0; k < 3; k++) {
                    dataSrcDev[k] = (int)CLAMP(matrixIt[k] * qMax((int) dataSrcDev[k], 1), 0, 65535);
                }
                deviceCs->fromLabA16((quint8*)dataSrcDev, srcDevIt.rawData(), 1);
                ++deviceIt;
                ++srcDevIt;
                matrixIt += 3;
            }
            deviceIt.nextRow();
            srcDevIt.nextRow();
        }
        delete [] matrix;
    }

    KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_srcdev->colorSpace());
    fixedDab->setRect(QRect(0, 0, sw, sh));
    fixedDab->initialize();

    m_srcdev->readBytes(fixedDab->data(), fixedDab->bounds());
    brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
    m_srcdev->writeBytes(fixedDab->data(), fixedDab->bounds());

    QRect dabRect = QRect(0, 0, brush->maskWidth(scale, 0.0), brush->maskHeight(scale, 0.0));
    QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());

    if (painter()->bounds().isValid()) {
        dstRect &= painter()->bounds();
    }

    if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;

    qint32 sx = dstRect.x() - x;
    qint32 sy = dstRect.y() - y;
    sw = dstRect.width();
    sh = dstRect.height();

    painter()->bitBlt(dstRect.x(), dstRect.y(), m_srcdev, sx, sy, sw, sh);


}
示例#5
0
void KisSmudgeOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()->device()) return;

    KisBrushSP brush = m_brush;

    Q_ASSERT(brush);
    if (!brush) return;

    KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
    if (! brush->canPaintFor(adjustedInfo))
        return;

    KisPaintDeviceSP device = painter()->device();
    double pScale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());
    QPointF hotSpot = brush->hotSpot(pScale, pScale);
    QPointF pt = info.pos() - hotSpot;

    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x;
    double xFraction;
    qint32 y;
    double yFraction;

    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);

    KisFixedPaintDeviceSP dab = 0;

    double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());

    QRect dabRect = QRect(0, 0, brush->maskWidth(scale, 0.0), brush->maskHeight(scale, 0.0));
    QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());
    if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;

    if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
        dab = brush->image(device->colorSpace(), pScale, 0.0, adjustedInfo, xFraction, yFraction);
        dab->convertTo(KoColorSpaceRegistry::instance()->alpha8());
    } else {
        dab = cachedDab();
        KoColor color = painter()->paintColor();
        dab->convertTo(KoColorSpaceRegistry::instance()->alpha8());
        brush->mask(dab, color, scale, pScale, 0.0, info, xFraction, yFraction);
    }

    qint32 sw = dab->bounds().width();
    qint32 sh = dab->bounds().height();

    /* To smudge, one does the following:
         * at first, initialize a temporary paint device with a copy of the original (dab-sized piece, really).
         * all other times:
             reduce the transparency of the temporary paint device so as to let it mix gradually
         * combine the temp device with the piece the brush currently is 'painting', according to a mix (opacity)
             note that in the first step, this does the actual copying of the data
         * this combination is then composited upon the actual image
       TODO: what happened exactly in 1.6 (and should happen now) when the dab resizes halfway due to pressure?
    */
    int opacity = OPACITY_OPAQUE;
    if (!m_firstRun) {
        opacity = settings->m_optionsWidget->m_rateOption->apply( opacity, sw, sh, m_srcdev, info.pressure() );

        KisRectIterator it = m_srcdev->createRectIterator(0, 0, sw, sh);
        KoColorSpace* cs = m_srcdev->colorSpace();
        while(!it.isDone()) {
            cs->setAlpha(it.rawData(), (cs->alpha(it.rawData()) * opacity) / OPACITY_OPAQUE, 1);
            ++it;
        }

        opacity = OPACITY_OPAQUE - opacity;
    } else {
        m_firstRun = false;
    }

    KisPainter copyPainter(m_srcdev);
    copyPainter.setOpacity(opacity);
    copyPainter.bitBlt(0, 0, device, pt.x(), pt.y(), sw, sh);
    copyPainter.end();

    m_target = new KisPaintDevice(device->colorSpace());

    // Looks hacky, but we lost bltMask, or the ability to easily convert alpha8 paintdev to selection?
    KisSelectionSP dabAsSelection = new KisSelection();
    copyPainter.begin(dabAsSelection);
    copyPainter.setOpacity(OPACITY_OPAQUE);
    copyPainter.setCompositeOp(COMPOSITE_COPY);
    copyPainter.bltFixed(0, 0, dab, 0, 0, sw, sh);
    copyPainter.end();

    copyPainter.begin(m_target);
    copyPainter.setCompositeOp(COMPOSITE_OVER);
    copyPainter.setSelection(dabAsSelection);
    copyPainter.bitBlt(0, 0, m_srcdev, 0, 0, sw, sh);
    copyPainter.end();

    qint32 sx = dstRect.x() - x;
    qint32 sy = dstRect.y() - y;
    sw = dstRect.width();
    sh = dstRect.height();

    painter()->bitBlt(dstRect.x(), dstRect.y(), m_target, sx, sy, sw, sh);

}
KisSpacingInformation KisDuplicateOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()->device()) return 1.0;

    KisBrushSP brush = m_brush;
    if (!brush)
        return 1.0;

    if (!brush->canPaintFor(info))
        return 1.0;

    if (!m_duplicateStartIsSet) {
        m_duplicateStartIsSet = true;
        m_duplicateStart = info.pos();
    }

    KisPaintDeviceSP realSourceDevice = settings->node()->paintDevice();

    qreal scale = m_sizeOption.apply(info);
    if (checkSizeTooSmall(scale)) return KisSpacingInformation();

    QPointF hotSpot = brush->hotSpot(scale, scale, 0, info);
    QPointF pt = info.pos() - hotSpot;

    setCurrentScale(scale);

    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x, y;
    qreal xFraction, yFraction; // will not be used
    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);

    QPoint srcPoint;

    if(m_moveSourcePoint)
    {
        srcPoint = QPoint(x - static_cast<qint32>(settings->offset().x()),
                          y - static_cast<qint32>(settings->offset().y()));
    } else {
        srcPoint = QPoint(static_cast<qint32>(settings->position().x() - hotSpot.x()),
                          static_cast<qint32>(settings->position().y() - hotSpot.y()));
    }

    qint32 sw = brush->maskWidth(scale, 0.0, xFraction, yFraction, info);
    qint32 sh = brush->maskHeight(scale, 0.0, xFraction, yFraction, info);

    if (srcPoint.x() < 0)
        srcPoint.setX(0);

    if (srcPoint.y() < 0)
        srcPoint.setY(0);

    // Perspective correction ?
    KisImageWSP image = settings->m_image;
    if (m_perspectiveCorrection && image && image->perspectiveGrid()->countSubGrids() == 1) {
        Matrix3qreal startM = Matrix3qreal::Identity();
        Matrix3qreal endM = Matrix3qreal::Identity();

        // First look for the grid corresponding to the start point
        KisSubPerspectiveGrid* subGridStart = *image->perspectiveGrid()->begin();
        QRect r = QRect(0, 0, image->width(), image->height());

#if 1
        if (subGridStart) {
            startM = KisPerspectiveMath::computeMatrixTransfoFromPerspective(r, *subGridStart->topLeft(), *subGridStart->topRight(), *subGridStart->bottomLeft(), *subGridStart->bottomRight());
        }
#endif
#if 1
        // Second look for the grid corresponding to the end point
        KisSubPerspectiveGrid* subGridEnd = *image->perspectiveGrid()->begin();
        if (subGridEnd) {
            endM = KisPerspectiveMath::computeMatrixTransfoToPerspective(*subGridEnd->topLeft(), *subGridEnd->topRight(), *subGridEnd->bottomLeft(), *subGridEnd->bottomRight(), r);
        }
#endif

        // Compute the translation in the perspective transformation space:
        QPointF positionStartPaintingT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart));
        QPointF duplicateStartPositionT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart) - QPointF(settings->offset()));
        QPointF translat = duplicateStartPositionT - positionStartPaintingT;

        KisRectIteratorSP dstIt = m_srcdev->createRectIteratorNG(0, 0, sw, sh);
        KisRandomSubAccessorSP srcAcc = realSourceDevice->createRandomSubAccessor();
        //Action
        do {
            QPointF p =  KisPerspectiveMath::matProd(startM, KisPerspectiveMath::matProd(endM, QPointF(dstIt->x() + x, dstIt->y() + y)) + translat);
            srcAcc->moveTo(p);
            srcAcc->sampledOldRawData(dstIt->rawData());
        } while (dstIt->nextPixel());


    } else {
        KisPainter copyPainter(m_srcdev);
        copyPainter.setCompositeOp(COMPOSITE_COPY);
        copyPainter.bitBltOldData(0, 0, realSourceDevice, srcPoint.x(), srcPoint.y(), sw, sh);
        copyPainter.end();
    }

    // heal ?

    if (m_healing) {
        quint16 srcData[4];
        quint16 tmpData[4];
        qreal* matrix = new qreal[ 3 * sw * sh ];
        // First divide
        const KoColorSpace* srcCs = realSourceDevice->colorSpace();
        const KoColorSpace* tmpCs = m_srcdev->colorSpace();
        KisHLineConstIteratorSP srcIt = realSourceDevice->createHLineConstIteratorNG(x, y, sw);
        KisHLineIteratorSP tmpIt = m_srcdev->createHLineIteratorNG(0, 0, sw);
        qreal* matrixIt = &matrix[0];
        for (int j = 0; j < sh; j++) {
            for (int i = 0; i < sw; i++) {
                srcCs->toLabA16(srcIt->oldRawData(), (quint8*)srcData, 1);
                tmpCs->toLabA16(tmpIt->rawData(), (quint8*)tmpData, 1);
                // Division
                for (int k = 0; k < 3; k++) {
                    matrixIt[k] = srcData[k] / (qreal)qMax((int)tmpData [k], 1);
                }
                srcIt->nextPixel();
                tmpIt->nextPixel();
                matrixIt += 3;
            }
            srcIt->nextRow();
            tmpIt->nextRow();
        }
        // Minimize energy
        {
            int iter = 0;
            qreal err;
            qreal* solution = new qreal [ 3 * sw * sh ];
            do {
                err = minimizeEnergy(&matrix[0], &solution[0], sw, sh);

                // swap pointers
                qreal *tmp = matrix;
                matrix = solution;
                solution = tmp;

                iter++;
            } while (err > 0.00001 && iter < 100);
            delete [] solution;
        }

        // Finaly multiply
        KisHLineIteratorSP srcIt2 = realSourceDevice->createHLineIteratorNG(x, y, sw);
        KisHLineIteratorSP tmpIt2 = m_srcdev->createHLineIteratorNG(0, 0, sw);
        matrixIt = &matrix[0];
        for (int j = 0; j < sh; j++) {
            for (int i = 0; i < sw; i++) {
                srcCs->toLabA16(srcIt2->rawData(), (quint8*)srcData, 1);
                tmpCs->toLabA16(tmpIt2->rawData(), (quint8*)tmpData, 1);
                // Multiplication
                for (int k = 0; k < 3; k++) {
                    tmpData[k] = (int)CLAMP(matrixIt[k] * qMax((int) tmpData[k], 1), 0, 65535);
                }
                tmpCs->fromLabA16((quint8*)tmpData, tmpIt2->rawData(), 1);
                srcIt2->nextPixel();
                tmpIt2->nextPixel();
                matrixIt += 3;
            }
            srcIt2->nextRow();
            tmpIt2->nextRow();
        }
        delete [] matrix;
    }

    static const KoColorSpace *cs = KoColorSpaceRegistry::instance()->alpha8();
    static KoColor color(Qt::black, cs);

    KisFixedPaintDeviceSP dab =
        m_dabCache->fetchDab(cs, color, scale, scale,
                             0.0, info);

    QRect dstRect = QRect(x, y, dab->bounds().width(), dab->bounds().height());
    if (dstRect.isEmpty()) return 1.0;

    painter()->bitBltWithFixedSelection(dstRect.x(), dstRect.y(),
                                        m_srcdev, dab,
                                        dstRect.width(),
                                        dstRect.height());

    painter()->renderMirrorMaskSafe(dstRect, m_srcdev, 0, 0, dab,
                                    !m_dabCache->needSeparateOriginal());

    return effectiveSpacing(dstRect.width(), dstRect.height());
}
示例#7
0
qreal KisFilterOp::paintAt(const KisPaintInformation& info)
{
    if (!painter()) {
        return 1.0;
    }

    if (!m_filter) {
        return 1.0;
    }

    if (!source()) {
        return 1.0;
    }

    KisBrushSP brush = m_brush;;
    if (!brush) return 1.0;

    if (! brush->canPaintFor(info))
        return 1.0;

    qreal scale = KisPaintOp::scaleForPressure(m_sizeOption.apply(info));
    if ((scale * brush->width()) <= 0.01 || (scale * brush->height()) <= 0.01) return spacing(scale);

    setCurrentScale(scale);
    
    QPointF hotSpot = brush->hotSpot(scale, scale);
    QPointF pt = info.pos() - hotSpot;


    // Split the coordinates into integer plus fractional parts. The integer
    // is where the dab will be positioned and the fractional part determines
    // the sub-pixel positioning.
    qint32 x;
    qreal xFraction;
    qint32 y;
    qreal yFraction;

    splitCoordinate(pt.x(), &x, &xFraction);
    splitCoordinate(pt.y(), &y, &yFraction);

    qint32 maskWidth = brush->maskWidth(scale, 0.0);
    qint32 maskHeight = brush->maskHeight(scale, 0.0);

    // Filter the paint device
    m_filter->process(KisConstProcessingInformation(source(), QPoint(x, y)),
                    KisProcessingInformation(m_tmpDevice, QPoint(0, 0)),
                    QSize(maskWidth, maskHeight),
                    m_filterConfiguration, 0);

    // Apply the mask on the paint device (filter before mask because edge pixels may be important)

    KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_tmpDevice->colorSpace());
    fixedDab->setRect(m_tmpDevice->extent());
    fixedDab->initialize();

    m_tmpDevice->readBytes(fixedDab->data(), fixedDab->bounds());
    brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
    m_tmpDevice->writeBytes(fixedDab->data(), fixedDab->bounds());

    if (!m_ignoreAlpha) {
        KisHLineIteratorPixel itTmpDev = m_tmpDevice->createHLineIterator(0, 0, maskWidth);
        KisHLineIteratorPixel itSrc = source()->createHLineIterator(x, y, maskWidth);
        const KoColorSpace* cs = m_tmpDevice->colorSpace();
        for (int y = 0; y < maskHeight; ++y) {
            while (!itTmpDev.isDone()) {
                quint8 alphaTmpDev = cs->opacityU8(itTmpDev.rawData());
                quint8 alphaSrc = cs->opacityU8(itSrc.rawData());

                cs->setOpacity(itTmpDev.rawData(), qMin(alphaTmpDev, alphaSrc), 1);
                ++itTmpDev;
                ++itSrc;
            }
            itTmpDev.nextRow();
            itSrc.nextRow();
        }
    }

    // Blit the paint device onto the layer
    QRect dabRect = QRect(0, 0, maskWidth, maskHeight);
    QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());

    if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return 1.0;

    qint32 sx = dstRect.x() - x;
    qint32 sy = dstRect.y() - y;
    qint32 sw = dstRect.width();
    qint32 sh = dstRect.height();

    painter()->bitBlt(dstRect.x(), dstRect.y(), m_tmpDevice, sx, sy, sw, sh);
    return spacing(scale);
}