Exemplo n.º 1
0
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);
}
void SVGShapePainter::paintMarkers(const PaintInfo& paintInfo, const FloatRect& boundingBox)
{
    const Vector<MarkerPosition>* markerPositions = m_layoutSVGShape.markerPositions();
    if (!markerPositions || markerPositions->isEmpty())
        return;

    SVGResources* resources = SVGResourcesCache::cachedResourcesForLayoutObject(&m_layoutSVGShape);
    if (!resources)
        return;

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

    float strokeWidth = m_layoutSVGShape.strokeWidth();
    unsigned size = markerPositions->size();

    for (unsigned i = 0; i < size; ++i) {
        if (LayoutSVGResourceMarker* marker = SVGMarkerData::markerForType((*markerPositions)[i].type, markerStart, markerMid, markerEnd)) {
            SkPictureBuilder pictureBuilder(boundingBox, nullptr, &paintInfo.context);
            PaintInfo markerPaintInfo(pictureBuilder.context(), paintInfo);

            // It's expensive to track the transformed paint cull rect for each
            // marker so just disable culling. The shape paint call will already
            // be culled if it is outside the paint info cull rect.
            markerPaintInfo.m_cullRect.m_rect = LayoutRect::infiniteIntRect();

            paintMarker(markerPaintInfo, *marker, (*markerPositions)[i], strokeWidth);
            pictureBuilder.endRecording()->playback(paintInfo.context.canvas());
        }
    }
}
Exemplo n.º 3
0
void SVGShapePainter::paintMarkers(const PaintInfo& paintInfo)
{
    const Vector<MarkerPosition>* markerPositions = m_renderSVGShape.markerPositions();
    if (!markerPositions || markerPositions->isEmpty())
        return;

    SVGResources* resources = SVGResourcesCache::cachedResourcesForRenderObject(&m_renderSVGShape);
    if (!resources)
        return;

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

    float strokeWidth = m_renderSVGShape.strokeWidth();
    unsigned size = markerPositions->size();
    for (unsigned i = 0; i < size; ++i) {
        if (RenderSVGResourceMarker* marker = SVGMarkerData::markerForType((*markerPositions)[i].type, markerStart, markerMid, markerEnd))
            paintMarker(paintInfo, *marker, (*markerPositions)[i], strokeWidth);
    }
}