C++ (Cpp) SVGStyledElement::supportsMarkers Examples

Example #1

FloatRect RenderSVGPath::calculateMarkerBoundsIfNeeded()
{
    SVGElement* svgElement = static_cast<SVGElement*>(node());
    ASSERT(svgElement && svgElement->document());
    if (!svgElement->isStyled())
        return FloatRect();

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    if (!styledElement->supportsMarkers())
        return FloatRect();

    const SVGRenderStyle* svgStyle = style()->svgStyle();
    ASSERT(svgStyle->hasMarkers());

    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(this);
    if (!resources)
        return FloatRect();

    RenderSVGResourceMarker* markerStart = resources->markerStart();
    RenderSVGResourceMarker* markerMid = resources->markerMid();
    RenderSVGResourceMarker* markerEnd = resources->markerEnd();
    if (!markerStart && !markerMid && !markerEnd)
        return FloatRect();

    return m_markerLayoutInfo.calculateBoundaries(markerStart, markerMid, markerEnd, svgStyle->strokeWidth().value(svgElement), m_path);
}

Example #2

File: RenderPath.cpp Project: 325116067/semc-qsd8x50

void RenderPath::calculateMarkerBoundsIfNeeded() const
{
    Document* doc = document();

    SVGElement* svgElement = static_cast<SVGElement*>(node());
    ASSERT(svgElement && svgElement->document());
    if (!svgElement->isStyled())
        return;

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    if (!styledElement->supportsMarkers())
        return;

    const SVGRenderStyle* svgStyle = style()->svgStyle();
    AtomicString startMarkerId(svgStyle->startMarker());
    AtomicString midMarkerId(svgStyle->midMarker());
    AtomicString endMarkerId(svgStyle->endMarker());

    SVGResourceMarker* startMarker = getMarkerById(doc, startMarkerId, this);
    SVGResourceMarker* midMarker = getMarkerById(doc, midMarkerId, this);
    SVGResourceMarker* endMarker = getMarkerById(doc, endMarkerId, this);

    if (!startMarker && !startMarkerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(startMarkerId, styledElement);
    else if (startMarker)
        startMarker->addClient(styledElement);

    if (!midMarker && !midMarkerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(midMarkerId, styledElement);
    else if (midMarker)
        midMarker->addClient(styledElement);

    if (!endMarker && !endMarkerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(endMarkerId, styledElement);
    else if (endMarker)
        endMarker->addClient(styledElement);

    if (!startMarker && !midMarker && !endMarker)
        return;

    float strokeWidth = SVGRenderStyle::cssPrimitiveToLength(this, svgStyle->strokeWidth(), 1.0f);
    m_cachedLocalMarkerBBox = m_markerLayoutInfo.calculateBoundaries(startMarker, midMarker, endMarker, strokeWidth, m_path);
}

Example #3

File: RenderPath.cpp Project: jackiekaon/owb-mirror

void RenderPath::paint(PaintInfo& paintInfo, int, int)
{
    if (paintInfo.context->paintingDisabled() || (paintInfo.phase != PaintPhaseForeground) || style()->visibility() == HIDDEN || m_path.isEmpty())
        return;

    paintInfo.context->save();
    paintInfo.context->concatCTM(localTransform());

    FloatRect strokeBBox = relativeBBox(true);

    SVGElement* svgElement = static_cast<SVGElement*>(element());
    ASSERT(svgElement && svgElement->document() && svgElement->isStyled());

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    const SVGRenderStyle* svgStyle = style()->svgStyle();

    AtomicString filterId(SVGURIReference::getTarget(svgStyle->filter()));
    AtomicString clipperId(SVGURIReference::getTarget(svgStyle->clipPath()));
    AtomicString maskerId(SVGURIReference::getTarget(svgStyle->maskElement()));

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    SVGResourceFilter* filter = getFilterById(document(), filterId);
#endif
    SVGResourceClipper* clipper = getClipperById(document(), clipperId);
    SVGResourceMasker* masker = getMaskerById(document(), maskerId);

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    if (filter)
        filter->prepareFilter(paintInfo.context, strokeBBox);
    else if (!filterId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(filterId, styledElement);
#endif

    if (clipper) {
        clipper->addClient(styledElement);
        clipper->applyClip(paintInfo.context, strokeBBox);
    } else if (!clipperId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(clipperId, styledElement);

    if (masker) {
        masker->addClient(styledElement);
        masker->applyMask(paintInfo.context, strokeBBox);
    } else if (!maskerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(maskerId, styledElement);

    paintInfo.context->beginPath();

    SVGPaintServer* fillPaintServer = KSVGPainterFactory::fillPaintServer(style(), this);
    if (fillPaintServer) {
        paintInfo.context->addPath(m_path);
        fillPaintServer->draw(paintInfo.context, this, ApplyToFillTargetType);
    }

    SVGPaintServer* strokePaintServer = KSVGPainterFactory::strokePaintServer(style(), this);
    if (strokePaintServer) {
        paintInfo.context->addPath(m_path); // path is cleared when filled.
        strokePaintServer->draw(paintInfo.context, this, ApplyToStrokeTargetType);
    }

    if (styledElement->supportsMarkers())
        m_markerBounds = drawMarkersIfNeeded(paintInfo.context, paintInfo.rect, m_path);

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    // actually apply the filter
    if (filter)
        filter->applyFilter(paintInfo.context, strokeBBox);
#endif

    paintInfo.context->restore();
}