コード例 #1
0
KisHairyPaintOp::KisHairyPaintOp(const KisBrushBasedPaintOpSettings *settings, KisPainter * painter, KisNodeSP node, KisImageSP image)
    : KisPaintOp(painter)
{
    Q_UNUSED(image)
    Q_ASSERT(settings);

    m_dev = node ? node->paintDevice() : 0;

    KisBrushOption brushOption;
    brushOption.readOptionSetting(settings);
    KisBrushSP brush = brushOption.brush();
    KisFixedPaintDeviceSP dab = cachedDab(painter->device()->compositionSourceColorSpace());
    if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
        dab = brush->paintDevice(source()->colorSpace(), 1.0, 0.0, KisPaintInformation());
    }
    else {
        brush->mask(dab, painter->paintColor(), 1.0, 1.0, 0.0, KisPaintInformation());
    }

    m_brush.fromDabWithDensity(dab, settings->getDouble(HAIRY_BRISTLE_DENSITY) * 0.01);
    m_brush.setInkColor(painter->paintColor());

    loadSettings(settings);
    m_brush.setProperties(&m_properties);

    m_rotationOption.readOptionSetting(settings);
    m_opacityOption.readOptionSetting(settings);
    m_sizeOption.readOptionSetting(settings);
    m_rotationOption.resetAllSensors();
    m_opacityOption.resetAllSensors();
    m_sizeOption.resetAllSensors();
}
コード例 #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);

}
コード例 #3
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);

}