예제 #1
0
void SVGAnimateTransformElement::applyResultsToTarget()
{
    if (!hasValidTarget())
        return;
    // We accumulate to the target element transform list so there is not much to do here.
    SVGElement* targetElement = this->targetElement();
    if (!targetElement)
        return;

    if (RenderObject* renderer = targetElement->renderer()) {
        renderer->setNeedsTransformUpdate();
        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
    }

    // ...except in case where we have additional instances in <use> trees.
    const HashSet<SVGElementInstance*>& instances = targetElement->instancesForElement();
    RefPtr<SVGTransformList> transformList = transformListFor(targetElement);
    const HashSet<SVGElementInstance*>::const_iterator end = instances.end();
    for (HashSet<SVGElementInstance*>::const_iterator it = instances.begin(); it != end; ++it) {
        SVGElement* shadowTreeElement = (*it)->shadowTreeElement();
        ASSERT(shadowTreeElement);
        if (shadowTreeElement->isStyledTransformable())
            static_cast<SVGStyledTransformableElement*>(shadowTreeElement)->setTransformBaseValue(transformList.get());
        else if (shadowTreeElement->hasTagName(SVGNames::textTag))
            static_cast<SVGTextElement*>(shadowTreeElement)->setTransformBaseValue(transformList.get());
        else if (shadowTreeElement->hasTagName(SVGNames::linearGradientTag) || shadowTreeElement->hasTagName(SVGNames::radialGradientTag))
            static_cast<SVGGradientElement*>(shadowTreeElement)->setGradientTransformBaseValue(transformList.get());
        if (RenderObject* renderer = shadowTreeElement->renderer()) {
            renderer->setNeedsTransformUpdate();
            RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
        }
    }
}
void SVGAnimateMotionElement::applyResultsToTarget()
{
    // We accumulate to the target element transform list so there is not much to do here.
    SVGElement* targetElement = this->targetElement();
    if (!targetElement)
        return;

    if (RenderObject* renderer = targetElement->renderer())
        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);

    AffineTransform* t = targetElement->supplementalTransform();
    if (!t)
        return;

    // ...except in case where we have additional instances in <use> trees.
    const HashSet<SVGElementInstance*>& instances = targetElement->instancesForElement();
    const HashSet<SVGElementInstance*>::const_iterator end = instances.end();
    for (HashSet<SVGElementInstance*>::const_iterator it = instances.begin(); it != end; ++it) {
        SVGElement* shadowTreeElement = (*it)->shadowTreeElement();
        ASSERT(shadowTreeElement);
        AffineTransform* transform = shadowTreeElement->supplementalTransform();
        if (!transform)
            continue;
        transform->setMatrix(t->a(), t->b(), t->c(), t->d(), t->e(), t->f());
        if (RenderObject* renderer = shadowTreeElement->renderer()) {
            renderer->setNeedsTransformUpdate();
            RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
        }
    }
}
void RenderSVGResourceClipper::createDisplayList(GraphicsContext* context,
    const AffineTransform& contentTransformation)
{
    ASSERT(context);
    ASSERT(frame());

    // Using strokeBoundingBox (instead of paintInvalidationRectInLocalCoordinates) to avoid the intersection
    // with local clips/mask, which may yield incorrect results when mixing objectBoundingBox and
    // userSpaceOnUse units (http://crbug.com/294900).
    FloatRect bounds = strokeBoundingBox();
    context->beginRecording(bounds);

    // Switch to a paint behavior where all children of this <clipPath> will be rendered using special constraints:
    // - fill-opacity/stroke-opacity/opacity set to 1
    // - masker/filter not applied when rendering the children
    // - fill is set to the initial fill paint server (solid, black)
    // - stroke is set to the initial stroke paint server (none)
    PaintBehavior oldBehavior = frame()->view()->paintBehavior();
    frame()->view()->setPaintBehavior(oldBehavior | PaintBehaviorRenderingSVGMask);

    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;

        RenderStyle* style = renderer->style();
        if (!style || style->display() == NONE || style->visibility() != VISIBLE)
            continue;

        WindRule newClipRule = style->svgStyle().clipRule();
        bool isUseElement = isSVGUseElement(*childElement);
        if (isUseElement) {
            SVGUseElement& useElement = toSVGUseElement(*childElement);
            renderer = useElement.rendererClipChild();
            if (!renderer)
                continue;
            if (!useElement.hasAttribute(SVGNames::clip_ruleAttr))
                newClipRule = renderer->style()->svgStyle().clipRule();
        }

        // Only shapes, paths and texts are allowed for clipping.
        if (!renderer->isSVGShape() && !renderer->isSVGText())
            continue;

        context->setFillRule(newClipRule);

        if (isUseElement)
            renderer = childElement->renderer();

        SVGRenderingContext::renderSubtree(context, renderer, contentTransformation);
    }

    frame()->view()->setPaintBehavior(oldBehavior);

    m_clipContentDisplayList = context->endRecording();
}
bool RenderSVGModelObject::checkEnclosure(RenderObject* renderer, const FloatRect& rect)
{
    if (!renderer || renderer->style()->pointerEvents() == PE_NONE)
        return false;
    if (!isGraphicsElement(renderer))
        return false;
    AffineTransform ctm;
    SVGElement* svgElement = toSVGElement(renderer->node());
    getElementCTM(svgElement, ctm);
    ASSERT(svgElement->renderer());
    return rect.contains(ctm.mapRect(svgElement->renderer()->repaintRectInLocalCoordinates()));
}
bool RenderSVGModelObject::checkIntersection(RenderObject* renderer, const SVGRect& rect)
{
    if (!renderer || renderer->style()->pointerEvents() == PE_NONE)
        return false;
    if (!isGraphicsElement(renderer))
        return false;
    AffineTransform ctm;
    SVGElement* svgElement = toSVGElement(renderer->node());
    getElementCTM(svgElement, ctm);
    ASSERT(svgElement->renderer());
    return intersectsAllowingEmpty(rect, ctm.mapRect(svgElement->renderer()->repaintRectInLocalCoordinates()));
}
bool RenderSVGResourceClipper::hitTestClipContent(const FloatRect& objectBoundingBox, const FloatPoint& nodeAtPoint)
{
    FloatPoint point = nodeAtPoint;
    if (!SVGRenderSupport::pointInClippingArea(this, point))
        return false;

    if (clipPathUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
        AffineTransform transform;
        transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
        transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
        point = transform.inverse().mapPoint(point);
    }

    AffineTransform animatedLocalTransform = toSVGClipPathElement(element())->animatedLocalTransform();
    if (!animatedLocalTransform.isInvertible())
        return false;

    point = animatedLocalTransform.inverse().mapPoint(point);

    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;
        if (!renderer->isSVGShape() && !renderer->isSVGText() && !isSVGUseElement(*childElement))
            continue;
        IntPoint hitPoint;
        HitTestResult result(hitPoint);
        if (renderer->nodeAtFloatPoint(HitTestRequest(HitTestRequest::SVGClipContent), result, point, HitTestForeground))
            return true;
    }

    return false;
}
예제 #7
0
PassRefPtrWillBeRawPtr<SVGFilterBuilder> RenderSVGResourceFilter::buildPrimitives(SVGFilter* filter)
{
    SVGFilterElement* filterElement = toSVGFilterElement(element());
    FloatRect targetBoundingBox = filter->targetBoundingBox();

    // Add effects to the builder
    RefPtrWillBeRawPtr<SVGFilterBuilder> builder = SVGFilterBuilder::create(SourceGraphic::create(filter), SourceAlpha::create(filter));
    for (SVGElement* element = Traversal<SVGElement>::firstChild(*filterElement); element; element = Traversal<SVGElement>::nextSibling(*element)) {
        if (!element->isFilterEffect() || !element->renderer())
            continue;

        SVGFilterPrimitiveStandardAttributes* effectElement = static_cast<SVGFilterPrimitiveStandardAttributes*>(element);
        RefPtrWillBeRawPtr<FilterEffect> effect = effectElement->build(builder.get(), filter);
        if (!effect) {
            builder->clearEffects();
            return nullptr;
        }
        builder->appendEffectToEffectReferences(effect, effectElement->renderer());
        effectElement->setStandardAttributes(effect.get());
        effect->setEffectBoundaries(SVGLengthContext::resolveRectangle<SVGFilterPrimitiveStandardAttributes>(effectElement, filterElement->primitiveUnits()->currentValue()->enumValue(), targetBoundingBox));
        effect->setOperatingColorSpace(
            effectElement->renderer()->style()->svgStyle().colorInterpolationFilters() == CI_LINEARRGB ? ColorSpaceLinearRGB : ColorSpaceDeviceRGB);
        builder->add(AtomicString(effectElement->result()->currentValue()->value()), effect);
    }
    return builder.release();
}
예제 #8
0
void SVGAnimateMotionElement::applyResultsToTarget()
{
    // We accumulate to the target element transform list so there is not much to do here.
    SVGElement* targetElement = this->targetElement();
    if (!targetElement)
        return;

    if (RenderElement* renderer = targetElement->renderer())
        RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);

    AffineTransform* targetSupplementalTransform = targetElement->supplementalTransform();
    if (!targetSupplementalTransform)
        return;

    // ...except in case where we have additional instances in <use> trees.
    for (auto* instance : targetElement->instances()) {
        AffineTransform* transform = instance->supplementalTransform();
        if (!transform || *transform == *targetSupplementalTransform)
            continue;
        *transform = *targetSupplementalTransform;
        if (RenderElement* renderer = instance->renderer()) {
            renderer->setNeedsTransformUpdate();
            RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
        }
    }
}
예제 #9
0
void SVGStyledElement::rebuildRenderer() const
{
    if (!renderer() || !renderer()->isRenderPath())
        return;

    RenderPath* renderPath = static_cast<RenderPath*>(renderer());
    SVGElement* parentElement = svg_dynamic_cast(parentNode());
    if (parentElement && parentElement->renderer() && parentElement->isStyled() &&
        parentElement->childShouldCreateRenderer(const_cast<SVGStyledElement*>(this)))
        renderPath->setNeedsLayout(true);
}
예제 #10
0
void RenderSVGResourceMasker::calculateMaskContentPaintInvalidationRect()
{
    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;
        RenderStyle* style = renderer->style();
        if (!style || style->display() == NONE || style->visibility() != VISIBLE)
             continue;
        m_maskContentBoundaries.unite(renderer->localToParentTransform().mapRect(renderer->paintInvalidationRectInLocalCoordinates()));
    }
}
void SVGAnimateTransformElement::applyResultsToTarget()
{
    if (!hasValidTarget())
        return;
    // We accumulate to the target element transform list so there is not much to do here.
    SVGElement* targetElement = this->targetElement();
    if (targetElement->renderer())
        targetElement->renderer()->setNeedsLayout(true);
    
    // ...except in case where we have additional instances in <use> trees.
    const HashSet<SVGElementInstance*>& instances = targetElement->instancesForElement();
    RefPtr<SVGTransformList> transformList = transformListFor(targetElement);
    const HashSet<SVGElementInstance*>::const_iterator end = instances.end();
    for (HashSet<SVGElementInstance*>::const_iterator it = instances.begin(); it != end; ++it) {
        SVGElement* shadowTreeElement = (*it)->shadowTreeElement();
        ASSERT(shadowTreeElement);
        if (shadowTreeElement->isStyledTransformable())
            static_cast<SVGStyledTransformableElement*>(shadowTreeElement)->setTransformBaseValue(transformList.get());
        else if (shadowTreeElement->hasTagName(SVGNames::textTag))
            static_cast<SVGTextElement*>(shadowTreeElement)->setTransformBaseValue(transformList.get());
        if (shadowTreeElement->renderer())
            shadowTreeElement->renderer()->setNeedsLayout(true);
    }
}
예제 #12
0
void RenderSVGResourceClipper::calculateClipContentPaintInvalidationRect()
{
    // This is a rough heuristic to appraise the clip size and doesn't consider clip on clip.
    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;
        if (!renderer->isSVGShape() && !renderer->isSVGText() && !isSVGUseElement(*childElement))
            continue;
        RenderStyle* style = renderer->style();
        if (!style || style->display() == NONE || style->visibility() != VISIBLE)
             continue;
        m_clipBoundaries.unite(renderer->localToParentTransform().mapRect(renderer->paintInvalidationRectInLocalCoordinates()));
    }
    m_clipBoundaries = toSVGClipPathElement(element())->animatedLocalTransform().mapRect(m_clipBoundaries);
}
예제 #13
0
static void getElementCTM(SVGElement* element, AffineTransform& transform)
{
    ASSERT(element);
    element->document()->updateLayoutIgnorePendingStylesheets();

    SVGElement* stopAtElement = SVGLocatable::nearestViewportElement(element);
    ASSERT(stopAtElement);

    Node* current = element;
    while (current && current->isSVGElement()) {
        SVGElement* currentElement = static_cast<SVGElement*>(current);
        if (currentElement->isStyled())
            transform = const_cast<AffineTransform&>(currentElement->renderer()->localToParentTransform()).multiply(transform);

        // For getCTM() computation, stop at the nearest viewport element
        if (currentElement == stopAtElement)
            break;

        current = current->parentOrHostNode();
    }
}
예제 #14
0
void RenderSVGResourceMasker::createDisplayList(GraphicsContext* context,
    const AffineTransform& contentTransform)
{
    ASSERT(context);

    // Using strokeBoundingBox (instead of paintInvalidationRectInLocalCoordinates) to avoid the intersection
    // with local clips/mask, which may yield incorrect results when mixing objectBoundingBox and
    // userSpaceOnUse units (http://crbug.com/294900).
    FloatRect bounds = strokeBoundingBox();
    context->beginRecording(bounds);
    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;
        RenderStyle* style = renderer->style();
        if (!style || style->display() == NONE || style->visibility() != VISIBLE)
            continue;

        SVGRenderingContext::renderSubtree(context, renderer, contentTransform);
    }
    m_maskContentDisplayList = context->endRecording();
}
void SVGAnimateMotionElement::calculateAnimatedValue(float percentage, unsigned, SVGSMILElement*)
{
    SVGElement* targetElement = this->targetElement();
    if (!targetElement)
        return;
    AffineTransform* transform = targetElement->supplementalTransform();
    if (!transform)
        return;

    if (RenderObject* targetRenderer = targetElement->renderer())
        targetRenderer->setNeedsTransformUpdate();

    if (!isAdditive())
        transform->makeIdentity();
    
    // FIXME: Implement accumulate.
    
    if (animationMode() == PathAnimation) {
        ASSERT(!animationPath().isEmpty());
        Path path = animationPath();
        float positionOnPath = path.length() * percentage;
        bool ok;
        FloatPoint position = path.pointAtLength(positionOnPath, ok);
        if (ok) {
            transform->translate(position.x(), position.y());
            RotateMode rotateMode = this->rotateMode();
            if (rotateMode == RotateAuto || rotateMode == RotateAutoReverse) {
                float angle = path.normalAngleAtLength(positionOnPath, ok);
                if (rotateMode == RotateAutoReverse)
                    angle += 180;
                transform->rotate(angle);
            }
        }
        return;
    }
    FloatSize diff = m_toPoint - m_fromPoint;
    transform->translate(diff.width() * percentage + m_fromPoint.x(), diff.height() * percentage + m_fromPoint.y());
}
예제 #16
0
void SVGAnimateMotionElement::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement*)
{
    SVGElement* targetElement = this->targetElement();
    if (!targetElement)
        return;
    AffineTransform* transform = targetElement->supplementalTransform();
    if (!transform)
        return;

    if (RenderObject* targetRenderer = targetElement->renderer())
        targetRenderer->setNeedsTransformUpdate();

    if (!isAdditive())
        transform->makeIdentity();

    if (animationMode() != PathAnimation) {
        FloatPoint toPointAtEndOfDuration = m_toPoint;
        if (isAccumulated() && repeatCount && m_hasToPointAtEndOfDuration)
            toPointAtEndOfDuration = m_toPointAtEndOfDuration;

        float animatedX = 0;
        animateAdditiveNumber(percentage, repeatCount, m_fromPoint.x(), m_toPoint.x(), toPointAtEndOfDuration.x(), animatedX);

        float animatedY = 0;
        animateAdditiveNumber(percentage, repeatCount, m_fromPoint.y(), m_toPoint.y(), toPointAtEndOfDuration.y(), animatedY);

        transform->translate(animatedX, animatedY);
        return;
    }

    buildTransformForProgress(transform, percentage);

    // Handle accumulate="sum".
    if (isAccumulated() && repeatCount) {
        for (unsigned i = 0; i < repeatCount; ++i)
            buildTransformForProgress(transform, 1);
    }
}
예제 #17
0
bool RenderSVGResourceClipper::tryPathOnlyClipping(GraphicsContext* context,
    const AffineTransform& animatedLocalTransform, const FloatRect& objectBoundingBox) {
    // If the current clip-path gets clipped itself, we have to fallback to masking.
    if (!style()->svgStyle().clipperResource().isEmpty())
        return false;
    WindRule clipRule = RULE_NONZERO;
    Path clipPath = Path();

    for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
        RenderObject* renderer = childElement->renderer();
        if (!renderer)
            continue;
        // Only shapes or paths are supported for direct clipping. We need to fallback to masking for texts.
        if (renderer->isSVGText())
            return false;
        if (!childElement->isSVGGraphicsElement())
            continue;
        SVGGraphicsElement* styled = toSVGGraphicsElement(childElement);
        RenderStyle* style = renderer->style();
        if (!style || style->display() == NONE || style->visibility() != VISIBLE)
             continue;
        const SVGRenderStyle& svgStyle = style->svgStyle();
        // Current shape in clip-path gets clipped too. Fallback to masking.
        if (!svgStyle.clipperResource().isEmpty())
            return false;

        if (clipPath.isEmpty()) {
            // First clip shape.
            styled->toClipPath(clipPath);
            clipRule = svgStyle.clipRule();
            clipPath.setWindRule(clipRule);
            continue;
        }

        if (RuntimeEnabledFeatures::pathOpsSVGClippingEnabled()) {
            // Attempt to generate a combined clip path, fall back to masking if not possible.
            Path subPath;
            styled->toClipPath(subPath);
            subPath.setWindRule(svgStyle.clipRule());
            if (!clipPath.unionPath(subPath))
                return false;
        } else {
            return false;
        }
    }
    // Only one visible shape/path was found. Directly continue clipping and transform the content to userspace if necessary.
    if (clipPathUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX) {
        AffineTransform transform;
        transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
        transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
        clipPath.transform(transform);
    }

    // Transform path by animatedLocalTransform.
    clipPath.transform(animatedLocalTransform);

    // The SVG specification wants us to clip everything, if clip-path doesn't have a child.
    if (clipPath.isEmpty())
        clipPath.addRect(FloatRect());
    context->clipPath(clipPath, clipRule);
    return true;
}