TransformOperation.h [plain text]
#ifndef TransformOperation_h
#define TransformOperation_h
#include "TransformationMatrix.h"
#include "IntSize.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class TransformOperation : public RefCounted<TransformOperation> {
public:
enum OperationType {
SCALE_X, SCALE_Y, SCALE,
TRANSLATE_X, TRANSLATE_Y, TRANSLATE,
ROTATE,
ROTATE_Z = ROTATE,
SKEW_X, SKEW_Y, SKEW,
MATRIX,
SCALE_Z, SCALE_3D,
TRANSLATE_Z, TRANSLATE_3D,
ROTATE_X, ROTATE_Y, ROTATE_3D,
MATRIX_3D,
PERSPECTIVE,
IDENTITY, NONE
};
virtual ~TransformOperation() { }
virtual bool operator==(const TransformOperation&) const = 0;
bool operator!=(const TransformOperation& o) const { return !(*this == o); }
virtual bool isIdentity() const = 0;
virtual bool apply(TransformationMatrix&, const IntSize& borderBoxSize) const = 0;
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) = 0;
virtual OperationType getOperationType() const = 0;
virtual bool isSameType(const TransformOperation&) const { return false; }
bool is3DOperation() const
{
OperationType opType = getOperationType();
return opType == SCALE_Z ||
opType == SCALE_3D ||
opType == TRANSLATE_Z ||
opType == TRANSLATE_3D ||
opType == ROTATE_X ||
opType == ROTATE_Y ||
opType == ROTATE_3D ||
opType == MATRIX_3D ||
opType == PERSPECTIVE;
}
};
}
#endif // TransformOperation_h