/* === S Y N F I G ========================================================= */

/*!	\file synfig/rendering/primitive/transformationaffine.h

**	\brief TransformationAffine Header

**

**	$Id$

**

**	\legal

**	......... ... 2015-2018 Ivan Mahonin

**

**	This package is free software; you can redistribute it and/or

**	modify it under the terms of the GNU General Public License as

**	published by the Free Software Foundation; either version 2 of

**	the License, or (at your option) any later version.

**

**	This package is distributed in the hope that it will be useful,

**	but WITHOUT ANY WARRANTY; without even the implied warranty of

**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

**	General Public License for more details.

**	\endlegal

*/

/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_RENDERING_TRANSFORMATIONAFFINE_H

#define __SYNFIG_RENDERING_TRANSFORMATIONAFFINE_H

/* === H E A D E R S ======================================================= */

#include <synfig matrix.h=""></synfig>

#include "transformation.h"

/* === M A C R O S ========================================================= */

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */

namespace synfig

{

namespace rendering

{

class TransformationAffine: public Transformation

{

public:

	typedef etl::handle<transformationaffine> Handle;</transformationaffine>

	Matrix matrix;

	TransformationAffine() { }

	explicit TransformationAffine(const Matrix &matrix): matrix(matrix) { }

	static Vector calc_optimal_resolution(const Matrix2 &matrix);

	static Bounds transform_bounds_affine(const Matrix &matrix, const Bounds &bounds);

protected:

	virtual Transformation* clone_vfunc() const;

	virtual Transformation* create_inverted_vfunc() const;

	virtual Point transform_vfunc(const Point &x) const;

	virtual Matrix2 derivative_vfunc(const Point &x) const;

	virtual Bounds transform_bounds_vfunc(const Bounds &bounds) const;

	virtual bool can_merge_outer_vfunc(const Transformation &other) const;

	virtual bool can_merge_inner_vfunc(const Transformation &other) const;

	virtual void merge_outer_vfunc(const Transformation &other);

	virtual void merge_inner_vfunc(const Transformation &other);

};

} /* end namespace rendering */

} /* end namespace synfig */

/* -- E N D ----------------------------------------------------------------- */

#endif