#ifndef ShapeInfo_h
#define ShapeInfo_h
#include "core/rendering/shapes/Shape.h"
#include "core/rendering/style/RenderStyle.h"
#include "core/rendering/style/ShapeValue.h"
#include "platform/LayoutUnit.h"
#include "platform/geometry/FloatRect.h"
#include "wtf/OwnPtr.h"
#include "wtf/Vector.h"
namespace WebCore {
template<class KeyType, class InfoType>
class MappedInfo {
public:
static InfoType& ensureInfo(const KeyType& key)
{
InfoMap& infoMap = MappedInfo<KeyType, InfoType>::infoMap();
if (InfoType* info = infoMap.get(&key))
return *info;
typename InfoMap::AddResult result = infoMap.add(&key, InfoType::createInfo(key));
return *result.storedValue->value;
}
static void removeInfo(const KeyType& key) { infoMap().remove(&key); }
static InfoType* info(const KeyType& key) { return infoMap().get(&key); }
private:
typedef HashMap<const KeyType*, OwnPtr<InfoType> > InfoMap;
static InfoMap& infoMap()
{
DEFINE_STATIC_LOCAL(InfoMap, staticInfoMap, ());
return staticInfoMap;
}
};
template<class RenderType>
class ShapeInfo {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~ShapeInfo() { }
void setReferenceBoxLogicalSize(LayoutSize);
SegmentList computeSegmentsForLine(LayoutUnit lineTop, LayoutUnit lineHeight) const;
LayoutUnit shapeLogicalTop() const { return computedShapeLogicalBoundingBox().y() + logicalTopOffset(); }
LayoutUnit shapeLogicalBottom() const { return computedShapeLogicalBoundingBox().maxY() + logicalTopOffset(); }
LayoutUnit shapeLogicalLeft() const { return computedShapeLogicalBoundingBox().x() + logicalLeftOffset(); }
LayoutUnit shapeLogicalRight() const { return computedShapeLogicalBoundingBox().maxX() + logicalLeftOffset(); }
LayoutUnit shapeLogicalWidth() const { return computedShapeLogicalBoundingBox().width(); }
LayoutUnit shapeLogicalHeight() const { return computedShapeLogicalBoundingBox().height(); }
LayoutUnit logicalLineTop() const { return m_referenceBoxLineTop + logicalTopOffset(); }
LayoutUnit logicalLineBottom() const { return m_referenceBoxLineTop + m_lineHeight + logicalTopOffset(); }
LayoutUnit shapeContainingBlockHeight() const { return (m_renderer.style()->boxSizing() == CONTENT_BOX) ? (m_referenceBoxLogicalSize.height() + m_renderer.borderAndPaddingLogicalHeight()) : m_referenceBoxLogicalSize.height(); }
virtual bool lineOverlapsShapeBounds() const = 0;
void markShapeAsDirty() { m_shape.clear(); }
bool isShapeDirty() { return !m_shape.get(); }
const RenderType& owner() const { return m_renderer; }
LayoutSize shapeSize() const { return m_referenceBoxLogicalSize; }
protected:
ShapeInfo(const RenderType& renderer): m_renderer(renderer) { }
const Shape& computedShape() const;
virtual CSSBoxType referenceBox() const = 0;
virtual LayoutRect computedShapeLogicalBoundingBox() const = 0;
virtual ShapeValue* shapeValue() const = 0;
virtual void getIntervals(LayoutUnit, LayoutUnit, SegmentList&) const = 0;
virtual const RenderStyle* styleForWritingMode() const = 0;
LayoutUnit logicalTopOffset() const;
LayoutUnit logicalLeftOffset() const;
LayoutUnit m_referenceBoxLineTop;
LayoutUnit m_lineHeight;
const RenderType& m_renderer;
private:
mutable OwnPtr<Shape> m_shape;
LayoutSize m_referenceBoxLogicalSize;
};
bool checkShapeImageOrigin(Document&, ImageResource&);
}
#endif