C++ (Cpp) SVGGradientElement::rendererの例

コード例 #1

ファイル: SVGLinearGradientElement.cpp プロジェクト: eocanha/webkit

bool SVGLinearGradientElement::collectGradientAttributes(LinearGradientAttributes& attributes)
{
    if (!renderer())
        return false;

    HashSet<SVGGradientElement*> processedGradients;
    SVGGradientElement* current = this;

    setGradientAttributes(*current, attributes);
    processedGradients.add(current);

    while (true) {
        // Respect xlink:href, take attributes from referenced element
        Node* refNode = SVGURIReference::targetElementFromIRIString(current->href(), document());
        if (is<SVGGradientElement>(refNode)) {
            current = downcast<SVGGradientElement>(refNode);

            // Cycle detection
            if (processedGradients.contains(current))
                return true;

            if (!current->renderer())
                return false;

            setGradientAttributes(*current, attributes, current->hasTagName(SVGNames::linearGradientTag));
            processedGradients.add(current);
        } else
            return true;
    }

    ASSERT_NOT_REACHED();
    return false;
}

コード例 #2

ファイル: SVGLinearGradientElement.cpp プロジェクト: dp7/blink-crosswalk

bool SVGLinearGradientElement::collectGradientAttributes(LinearGradientAttributes& attributes)
{
    if (!renderer())
        return false;

    HashSet<SVGGradientElement*> processedGradients;
    SVGGradientElement* current = this;

    setGradientAttributes(current, attributes);
    processedGradients.add(current);

    while (true) {
        // Respect xlink:href, take attributes from referenced element
        Node* refNode = SVGURIReference::targetElementFromIRIString(current->href()->currentValue()->value(), treeScope());
        if (refNode && isSVGGradientElement(*refNode)) {
            current = toSVGGradientElement(refNode);

            // Cycle detection
            if (processedGradients.contains(current))
                return true;

            if (!current->renderer())
                return false;

            setGradientAttributes(current, attributes, isSVGLinearGradientElement(*current));
            processedGradients.add(current);
        } else {
            return true;
        }
    }

    ASSERT_NOT_REACHED();
    return false;
}

コード例 #3

ファイル: RenderSVGGradientStop.cpp プロジェクト: 335969568/Blink-1

void RenderSVGGradientStop::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
    RenderObject::styleDidChange(diff, oldStyle);
    if (!diff.hasDifference())
        return;

    // <stop> elements should only be allowed to make renderers under gradient elements
    // but I can imagine a few cases we might not be catching, so let's not crash if our parent isn't a gradient.
    SVGGradientElement* gradient = gradientElement();
    if (!gradient)
        return;

    RenderObject* renderer = gradient->renderer();
    if (!renderer)
        return;

    RenderSVGResourceContainer* container = toRenderSVGResourceContainer(renderer);
    container->removeAllClientsFromCache();
}

コード例 #4

ファイル: SVGRadialGradientElement.cpp プロジェクト: RobinWuDev/Qt

bool SVGRadialGradientElement::collectGradientAttributes(RadialGradientAttributes& attributes)
{
    if (!renderer())
        return false;

    WillBeHeapHashSet<RawPtrWillBeMember<SVGGradientElement> > processedGradients;
    SVGGradientElement* current = this;

    setGradientAttributes(current, attributes);
    processedGradients.add(current);

    while (true) {
        // Respect xlink:href, take attributes from referenced element
        Node* refNode = SVGURIReference::targetElementFromIRIString(current->href()->currentValue()->value(), treeScope());
        if (refNode && isSVGGradientElement(*refNode)) {
            current = toSVGGradientElement(refNode);

            // Cycle detection
            if (processedGradients.contains(current))
                break;

            if (!current->renderer())
                return false;

            setGradientAttributes(current, attributes, isSVGRadialGradientElement(*current));
            processedGradients.add(current);
        } else {
            break;
        }
    }

    // Handle default values for fx/fy
    if (!attributes.hasFx())
        attributes.setFx(attributes.cx());

    if (!attributes.hasFy())
        attributes.setFy(attributes.cy());

    return true;
}

コード例 #5

ファイル: SVGRadialGradientElement.cpp プロジェクト: Comcast/WebKitForWayland

bool SVGRadialGradientElement::collectGradientAttributes(RadialGradientAttributes& attributes)
{
    if (!renderer())
        return false;

    HashSet<SVGGradientElement*> processedGradients;
    SVGGradientElement* current = this;

    setGradientAttributes(*current, attributes);
    processedGradients.add(current);

    while (true) {
        // Respect xlink:href, take attributes from referenced element
        Node* refNode = SVGURIReference::targetElementFromIRIString(current->href(), document());
        if (is<SVGGradientElement>(refNode)) {
            current = downcast<SVGGradientElement>(refNode);

            // Cycle detection
            if (processedGradients.contains(current))
                break;

            if (!current->renderer())
                return false;

            setGradientAttributes(*current, attributes, current->hasTagName(SVGNames::radialGradientTag));
            processedGradients.add(current);
        } else
            break;
    }

    // Handle default values for fx/fy
    if (!attributes.hasFx())
        attributes.setFx(attributes.cx());

    if (!attributes.hasFy())
        attributes.setFy(attributes.cy());

    return true;
}