MatrixTransformOperation.h [plain text]
#ifndef MatrixTransformOperation_h
#define MatrixTransformOperation_h
#include "TransformOperation.h"
#include "TransformationMatrix.h"
namespace WebCore {
class MatrixTransformOperation : public TransformOperation {
public:
static PassRefPtr<MatrixTransformOperation> create(double a, double b, double c, double d, double e, double f)
{
return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f));
}
static PassRefPtr<MatrixTransformOperation> create(const TransformationMatrix& t)
{
return adoptRef(new MatrixTransformOperation(t));
}
TransformationMatrix matrix() const { return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f); }
private:
virtual bool isIdentity() const { return m_a == 1 && m_b == 0 && m_c == 0 && m_d == 1 && m_e == 0 && m_f == 0; }
virtual OperationType getOperationType() const { return MATRIX; }
virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == MATRIX; }
virtual bool operator==(const TransformOperation& o) const
{
if (!isSameType(o))
return false;
const MatrixTransformOperation* m = static_cast<const MatrixTransformOperation*>(&o);
return m_a == m->m_a && m_b == m->m_b && m_c == m->m_c && m_d == m->m_d && m_e == m->m_e && m_f == m->m_f;
}
virtual bool apply(TransformationMatrix& transform, const IntSize&) const
{
TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
transform.multiply(matrix);
return false;
}
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false);
MatrixTransformOperation(double a, double b, double c, double d, double e, double f)
: m_a(a)
, m_b(b)
, m_c(c)
, m_d(d)
, m_e(e)
, m_f(f)
{
}
MatrixTransformOperation(const TransformationMatrix& t)
: m_a(t.a())
, m_b(t.b())
, m_c(t.c())
, m_d(t.d())
, m_e(t.e())
, m_f(t.f())
{
}
double m_a;
double m_b;
double m_c;
double m_d;
double m_e;
double m_f;
};
}
#endif // MatrixTransformOperation_h