SVGResourceFilter.cpp [plain text]
#include "config.h"
#if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES)
#include "SVGResourceFilter.h"
#include "SVGRenderTreeAsText.h"
#include "SVGFilterEffect.h"
#include "TextStream.h"
namespace WebCore {
void SVGResourceFilter::clearEffects()
{
m_effects.clear();
}
void SVGResourceFilter::addFilterEffect(SVGFilterEffect* effect)
{
ASSERT(effect);
if (effect)
m_effects.append(effect);
}
FloatRect SVGResourceFilter::filterBBoxForItemBBox(FloatRect itemBBox) const
{
FloatRect filterBBox = filterRect();
if (filterBoundingBoxMode())
filterBBox = FloatRect(filterBBox.x() * itemBBox.width(),
filterBBox.y() * itemBBox.height(),
filterBBox.width() * itemBBox.width(),
filterBBox.height() * itemBBox.height());
return filterBBox;
}
TextStream& SVGResourceFilter::externalRepresentation(TextStream& ts) const
{
ts << "[type=FILTER] ";
FloatRect bbox = filterRect();
static FloatRect defaultFilterRect(0, 0, 1, 1);
if (!filterBoundingBoxMode() || bbox != defaultFilterRect) {
ts << " [bounding box=";
if (filterBoundingBoxMode()) {
bbox.scale(100.f);
ts << "at (" << bbox.x() << "%," << bbox.y() << "%) size " << bbox.width() << "%x" << bbox.height() << "%";
} else
ts << filterRect();
ts << "]";
}
if (!filterBoundingBoxMode()) ts << " [bounding box mode=" << filterBoundingBoxMode() << "]";
if (effectBoundingBoxMode()) ts << " [effect bounding box mode=" << effectBoundingBoxMode() << "]";
if (m_effects.size() > 0)
ts << " [effects=" << m_effects << "]";
return ts;
}
SVGResourceFilter* getFilterById(Document* document, const AtomicString& id)
{
SVGResource* resource = getResourceById(document, id);
if (resource && resource->isFilter())
return static_cast<SVGResourceFilter*>(resource);
return 0;
}
}
#endif // ENABLE(SVG)