void SVGRenderBase::prepareToRenderSVGContent(RenderObject* object, RenderObject::PaintInfo& paintInfo, const FloatRect& boundingBox, SVGResourceFilter*& filter, SVGResourceFilter* rootFilter)
{
#if !ENABLE(FILTERS)
    UNUSED_PARAM(filter);
    UNUSED_PARAM(rootFilter);
#endif

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

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    const RenderStyle* style = object->style();
    ASSERT(style);

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

    // Setup transparency layers before setting up filters!
    float opacity = style->opacity(); 
    if (opacity < 1.0f) {
        paintInfo.context->clip(enclosingIntRect(boundingBox));
        paintInfo.context->beginTransparencyLayer(opacity);
    }

#if ENABLE(FILTERS)
    AtomicString filterId(svgStyle->filter());
#endif

    AtomicString clipperId(svgStyle->clipPath());
    AtomicString maskerId(svgStyle->maskElement());

    Document* document = object->document();

#if ENABLE(FILTERS)
    SVGResourceFilter* newFilter = getFilterById(document, filterId);
    if (newFilter == rootFilter) {
        // Catch <text filter="url(#foo)">Test<tspan filter="url(#foo)">123</tspan></text>.
        // The filter is NOT meant to be applied twice in that case!
        filter = 0;
        filterId = String();
    } else
        filter = newFilter;
#endif

    SVGResourceClipper* clipper = getClipperById(document, clipperId);
    SVGResourceMasker* masker = getMaskerById(document, maskerId);

#if ENABLE(FILTERS)
    if (filter) {
        filter->addClient(styledElement);
        filter->prepareFilter(paintInfo.context, object);
    } else if (!filterId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(filterId, styledElement);
#endif

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

    if (masker) {
        masker->addClient(styledElement);
        masker->applyMask(paintInfo.context, boundingBox);
    } else if (!maskerId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(maskerId, styledElement);
}
Пример #2
0
void paintSVGInlineFlow(InlineFlowBox* flow, RenderObject* object, RenderObject::PaintInfo& paintInfo, int tx, int ty)
{
    if (paintInfo.context->paintingDisabled())
        return;

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

    FloatRect boundingBox(tx + flow->xPos(), ty + flow->yPos(), flow->width(), flow->height());

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

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
    const SVGRenderStyle* svgStyle = object->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(object->document(), filterId);
#endif
    SVGResourceClipper* clipper = getClipperById(object->document(), clipperId);
    SVGResourceMasker* masker = getMaskerById(object->document(), maskerId);

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

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

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

    RenderObject::PaintInfo pi(paintInfo);

    if (!flow->isRootInlineBox())
        pi.rect = (object->localTransform()).inverse().mapRect(pi.rect);

    float opacity = object->style()->opacity();
    if (opacity < 1.0f) {
        paintInfo.context->clip(enclosingIntRect(boundingBox));
        paintInfo.context->beginTransparencyLayer(opacity);
    }

    SVGPaintServer* fillPaintServer = KSVGPainterFactory::fillPaintServer(object->style(), object);
    if (fillPaintServer) {
        if (fillPaintServer->setup(pi.context, object, ApplyToFillTargetType, true)) {
            flow->InlineFlowBox::paint(pi, tx, ty);
            fillPaintServer->teardown(pi.context, object, ApplyToFillTargetType, true);
        }
    }

    SVGPaintServer* strokePaintServer = KSVGPainterFactory::strokePaintServer(object->style(), object);
    if (strokePaintServer) {
        if (strokePaintServer->setup(pi.context, object, ApplyToStrokeTargetType, true)) {
            flow->InlineFlowBox::paint(pi, tx, ty);
            strokePaintServer->teardown(pi.context, object, ApplyToStrokeTargetType, true);
        }
    }

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    if (filter)
        filter->applyFilter(paintInfo.context, boundingBox);
#endif

    if (opacity < 1.0f)
        paintInfo.context->endTransparencyLayer();

    paintInfo.context->restore();
}
Пример #3
0
void RenderSVGContainer::paint(PaintInfo& paintInfo, int parentX, int parentY)
{
    if (paintInfo.context->paintingDisabled())
        return;

    // This should only exist for <svg> renderers
    if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection)) 
        paintBoxDecorations(paintInfo, m_x + parentX, m_y + parentY);

    if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth() && style()->visibility() == VISIBLE)
        paintOutline(paintInfo.context, parentX, parentY, width(), height(), style());
    
    if (paintInfo.phase != PaintPhaseForeground || !drawsContents())
        return;

    const SVGRenderStyle* svgStyle = style()->svgStyle();
    AtomicString filterId(SVGURIReference::getTarget(svgStyle->filter()));

#if ENABLE(SVG_EXPERIMENTAL_FEATURES) 
    SVGResourceFilter* filter = getFilterById(document(), filterId);
#endif

    if (!firstChild()
#if ENABLE(SVG_EXPERIMENTAL_FEATURES) 
        && !filter
#endif
        )
        return; // Spec: groups w/o children still may render filter content.
    
    paintInfo.context->save();

    if (!parent()->isSVGContainer()) {
        // Translate from parent offsets (html renderers) to a relative transform (svg renderers)
        IntPoint origin;
        origin.move(parentX, parentY);
        origin.move(m_x, m_y);
        origin.move(borderLeft(), borderTop());
        origin.move(paddingLeft(), paddingTop());
        if (origin.x() || origin.y()) {
            paintInfo.context->concatCTM(AffineTransform().translate(origin.x(), origin.y()));
            paintInfo.rect.move(-origin.x(), -origin.y());
        }
        parentX = parentY = 0;
        SVGSVGElement* svg = static_cast<SVGSVGElement*>(element());
        paintInfo.context->concatCTM(AffineTransform().scale(svg->currentScale()));
    } else {
        // Only the root <svg> element should need any translations using the HTML/CSS system
        // parentX, parentY are also non-zero for first-level kids of these
        // CSS-transformed <svg> root-elements (due to RenderBox::paint) for any other element
        // they should be 0.   m_x, m_y should always be 0 for non-root svg containers
        ASSERT(m_x == 0);
        ASSERT(m_y == 0);
    }

    if (!viewport().isEmpty()) {
        if (style()->overflowX() != OVISIBLE)
            paintInfo.context->clip(enclosingIntRect(viewport())); // FIXME: Eventually we'll want float-precision clipping

        paintInfo.context->concatCTM(AffineTransform().translate(viewport().x(), viewport().y()));
    }
    if (!localTransform().isIdentity())
        paintInfo.context->concatCTM(localTransform());
    if (!parent()->isSVGContainer()) {
        SVGSVGElement* svg = static_cast<SVGSVGElement*>(element());
        paintInfo.context->concatCTM(AffineTransform().translate(svg->currentTranslate().x(), svg->currentTranslate().y()));
    }

    FloatRect strokeBBox = relativeBBox(true);

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

    SVGStyledElement* styledElement = static_cast<SVGStyledElement*>(svgElement);
 
    AtomicString clipperId(SVGURIReference::getTarget(svgStyle->clipPath()));
    AtomicString maskerId(SVGURIReference::getTarget(svgStyle->maskElement()));

    SVGResourceClipper* clipper = getClipperById(document(), clipperId);
    SVGResourceMasker* masker = getMaskerById(document(), maskerId);

    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);

    float opacity = style()->opacity();
    if (opacity < 1.0f) {
        paintInfo.context->clip(enclosingIntRect(strokeBBox));
        paintInfo.context->beginTransparencyLayer(opacity);
    }

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

    if (!viewBox().isEmpty())
        paintInfo.context->concatCTM(viewportTransform());

    RenderContainer::paint(paintInfo, 0, 0);

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

    if (opacity < 1.0f)
        paintInfo.context->endTransparencyLayer();

    paintInfo.context->restore();
}
Пример #4
0
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();
}
Пример #5
0
void RenderSVGImage::paint(PaintInfo& paintInfo, int parentX, int parentY)
{
    if (paintInfo.context->paintingDisabled() || (paintInfo.phase != PaintPhaseForeground) || style()->visibility() == HIDDEN)
        return;
    
    paintInfo.context->save();
    paintInfo.context->concatCTM(AffineTransform().translate(parentX, parentY));
    paintInfo.context->concatCTM(localTransform());
    paintInfo.context->concatCTM(translationForAttributes());

    FloatRect boundingBox = FloatRect(0, 0, width(), height());

    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, boundingBox);
    else if (!filterId.isEmpty())
        svgElement->document()->accessSVGExtensions()->addPendingResource(filterId, styledElement);
#endif

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

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

    float opacity = style()->opacity();
    if (opacity < 1.0f) {
        paintInfo.context->clip(enclosingIntRect(boundingBox));
        paintInfo.context->beginTransparencyLayer(opacity);
    }

    PaintInfo pi(paintInfo);
    pi.rect = absoluteTransform().inverse().mapRect(pi.rect);

    SVGImageElement* imageElt = static_cast<SVGImageElement*>(node());

    FloatRect destRect(m_x, m_y, contentWidth(), contentHeight());
    FloatRect srcRect(0, 0, image()->width(), image()->height());

    if (imageElt->preserveAspectRatio()->align() != SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
        adjustRectsForAspectRatio(destRect, srcRect, imageElt->preserveAspectRatio());

    paintInfo.context->drawImage(image(), destRect, srcRect);

#if ENABLE(SVG_EXPERIMENTAL_FEATURES)
    if (filter)
        filter->applyFilter(paintInfo.context, boundingBox);
#endif

    if (opacity < 1.0f)
        paintInfo.context->endTransparencyLayer();

    paintInfo.context->restore();
}