void SVGFilterElement::setFilterRes(unsigned x, unsigned y)
{
filterResX()->baseValue()->setValue(x);
filterResY()->baseValue()->setValue(y);
invalidateSVGAttributes();
svgAttributeChanged(SVGNames::filterResAttr);
}
void SVGFilterElement::buildFilter(const FloatRect& targetRect) const
{
bool filterBBoxMode = filterUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
bool primitiveBBoxMode = primitiveUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
FloatRect filterBBox;
if (filterBBoxMode)
filterBBox = FloatRect(x().valueAsPercentage(),
y().valueAsPercentage(),
width().valueAsPercentage(),
height().valueAsPercentage());
else
filterBBox = FloatRect(x().value(this),
y().value(this),
width().value(this),
height().value(this));
FloatRect filterRect = filterBBox;
if (filterBBoxMode)
filterRect = FloatRect(targetRect.x() + filterRect.x() * targetRect.width(),
targetRect.y() + filterRect.y() * targetRect.height(),
filterRect.width() * targetRect.width(),
filterRect.height() * targetRect.height());
m_filter->setFilterBoundingBox(filterRect);
m_filter->setFilterRect(filterBBox);
m_filter->setEffectBoundingBoxMode(primitiveBBoxMode);
m_filter->setFilterBoundingBoxMode(filterBBoxMode);
if (hasAttribute(SVGNames::filterResAttr)) {
m_filter->setHasFilterResolution(true);
m_filter->setFilterResolution(FloatSize(filterResX(), filterResY()));
}
// Add effects to the filter
m_filter->builder()->clearEffects();
for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
SVGElement* element = 0;
if (n->isSVGElement()) {
element = static_cast<SVGElement*>(n);
if (element->isFilterEffect()) {
SVGFilterPrimitiveStandardAttributes* effectElement = static_cast<SVGFilterPrimitiveStandardAttributes*>(element);
if (!effectElement->build(m_filter.get())) {
m_filter->builder()->clearEffects();
break;
}
}
}
}
}
