Exemple #1
0
void SVGPatternElement::collectPatternAttributes(PatternAttributes& attributes) const
{
    HashSet<const SVGPatternElement*> processedPatterns;

    const SVGPatternElement* current = this;
    while (current) {
        if (!attributes.hasX() && current->hasAttribute(SVGNames::xAttr))
            attributes.setX(current->x());

        if (!attributes.hasY() && current->hasAttribute(SVGNames::yAttr))
            attributes.setY(current->y());

        if (!attributes.hasWidth() && current->hasAttribute(SVGNames::widthAttr))
            attributes.setWidth(current->width());

        if (!attributes.hasHeight() && current->hasAttribute(SVGNames::heightAttr))
            attributes.setHeight(current->height());

        if (!attributes.hasViewBox() && current->hasAttribute(SVGNames::viewBoxAttr))
            attributes.setViewBox(current->viewBox());

        if (!attributes.hasPreserveAspectRatio() && current->hasAttribute(SVGNames::preserveAspectRatioAttr))
            attributes.setPreserveAspectRatio(current->preserveAspectRatio());

        if (!attributes.hasBoundingBoxMode() && current->hasAttribute(SVGNames::patternUnitsAttr))
            attributes.setBoundingBoxMode(current->patternUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);

        if (!attributes.hasBoundingBoxModeContent() && current->hasAttribute(SVGNames::patternContentUnitsAttr))
            attributes.setBoundingBoxModeContent(current->patternContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);

        if (!attributes.hasPatternTransform() && current->hasAttribute(SVGNames::patternTransformAttr)) {
            AffineTransform transform;
            current->patternTransform().concatenate(transform);
            attributes.setPatternTransform(transform);
        }

        if (!attributes.hasPatternContentElement() && current->hasChildNodes())
            attributes.setPatternContentElement(current);

        processedPatterns.add(current);

        // Respect xlink:href, take attributes from referenced element
        Node* refNode = ownerDocument()->getElementById(SVGURIReference::getTarget(current->href()));
        if (refNode && refNode->hasTagName(SVGNames::patternTag)) {
            current = static_cast<const SVGPatternElement*>(const_cast<const Node*>(refNode));

            // Cycle detection
            if (processedPatterns.contains(current)) {
                current = 0;
                break;
            }
        } else
            current = 0;
    }
}
PatternAttributes SVGPatternElement::collectPatternProperties() const
{
    PatternAttributes attributes;
    HashSet<const SVGPatternElement*> processedPatterns;

    const SVGPatternElement* current = this;
    while (current) {
        if (!attributes.hasX() && current->hasAttribute(SVGNames::xAttr))
            attributes.setX(current->x());

        if (!attributes.hasY() && current->hasAttribute(SVGNames::yAttr))
            attributes.setY(current->y());

        if (!attributes.hasWidth() && current->hasAttribute(SVGNames::widthAttr))
            attributes.setWidth(current->width());

        if (!attributes.hasHeight() && current->hasAttribute(SVGNames::heightAttr))
            attributes.setHeight(current->height());

        if (!attributes.hasBoundingBoxMode() && current->hasAttribute(SVGNames::patternUnitsAttr))
            attributes.setBoundingBoxMode(current->patternUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);

        if (!attributes.hasBoundingBoxModeContent() && current->hasAttribute(SVGNames::patternContentUnitsAttr))
            attributes.setBoundingBoxModeContent(current->patternContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);

        if (!attributes.hasPatternTransform() && current->hasAttribute(SVGNames::patternTransformAttr))
            attributes.setPatternTransform(current->patternTransform()->consolidate().matrix());

        if (!attributes.hasPatternContentElement() && current->hasChildNodes())
            attributes.setPatternContentElement(current);

        processedPatterns.add(current);

        // Respect xlink:href, take attributes from referenced element
        Node* refNode = ownerDocument()->getElementById(SVGURIReference::getTarget(current->href()));
        if (refNode && refNode->hasTagName(SVGNames::patternTag)) {
            current = static_cast<const SVGPatternElement*>(const_cast<const Node*>(refNode));

            // Cycle detection
            if (processedPatterns.contains(current))
                return PatternAttributes();
        } else
            current = 0;
    }

    return attributes;
}