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;
}