ScaleTransformOperation.h [plain text]
#ifndef ScaleTransformOperation_h
#define ScaleTransformOperation_h
#include "TransformOperation.h"
#include <wtf/Ref.h>
namespace WebCore {
class ScaleTransformOperation final : public TransformOperation {
public:
static Ref<ScaleTransformOperation> create(double sx, double sy, OperationType type)
{
return adoptRef(*new ScaleTransformOperation(sx, sy, 1, type));
}
static Ref<ScaleTransformOperation> create(double sx, double sy, double sz, OperationType type)
{
return adoptRef(*new ScaleTransformOperation(sx, sy, sz, type));
}
virtual Ref<TransformOperation> clone() const override
{
return adoptRef(*new ScaleTransformOperation(m_x, m_y, m_z, m_type));
}
double x() const { return m_x; }
double y() const { return m_y; }
double z() const { return m_z; }
private:
virtual bool isIdentity() const override { return m_x == 1 && m_y == 1 && m_z == 1; }
virtual bool isAffectedByTransformOrigin() const override { return !isIdentity(); }
virtual OperationType type() const override { return m_type; }
virtual bool isSameType(const TransformOperation& o) const override { return o.type() == m_type; }
virtual bool operator==(const TransformOperation&) const override;
virtual bool apply(TransformationMatrix& transform, const FloatSize&) const override
{
transform.scale3d(m_x, m_y, m_z);
return false;
}
virtual Ref<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override;
ScaleTransformOperation(double sx, double sy, double sz, OperationType type)
: m_x(sx)
, m_y(sy)
, m_z(sz)
, m_type(type)
{
ASSERT(isScaleTransformOperationType());
}
double m_x;
double m_y;
double m_z;
OperationType m_type;
};
}
SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(WebCore::ScaleTransformOperation, isScaleTransformOperationType())
#endif // ScaleTransformOperation_h