ScaleTransformOperation.h [plain text]
#pragma once
#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));
}
Ref<TransformOperation> clone() const override
{
return adoptRef(*new ScaleTransformOperation(m_x, m_y, m_z, type()));
}
double x() const { return m_x; }
double y() const { return m_y; }
double z() const { return m_z; }
private:
bool isIdentity() const override { return m_x == 1 && m_y == 1 && m_z == 1; }
bool isAffectedByTransformOrigin() const override { return !isIdentity(); }
bool operator==(const TransformOperation&) const override;
bool apply(TransformationMatrix& transform, const FloatSize&) const override
{
transform.scale3d(m_x, m_y, m_z);
return false;
}
Ref<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) override;
void dump(WTF::TextStream&) const final;
ScaleTransformOperation(double sx, double sy, double sz, OperationType type)
: TransformOperation(type)
, m_x(sx)
, m_y(sy)
, m_z(sz)
{
ASSERT(isScaleTransformOperationType());
}
double m_x;
double m_y;
double m_z;
};
}
SPECIALIZE_TYPE_TRAITS_TRANSFORMOPERATION(WebCore::ScaleTransformOperation, isScaleTransformOperationType())