/* === S Y N F I G ========================================================= */
/*! \file warp.h
** \brief Header file for implementation of the "Warp" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2012-2013 Carlos López
**
** 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
**
** === N O T E S ===========================================================
**
** ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_WARP_H
#define __SYNFIG_WARP_H
/* === H E A D E R S ======================================================= */
#include <synfig/vector.h>
#include <synfig/angle.h>
#include <synfig/layer.h>
#include <synfig/rect.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 modules
{
namespace lyr_std
{
class Warp_Trans;
class Warp: public Layer
{
SYNFIG_LAYER_MODULE_EXT
friend class Warp_Trans;
private:
//! Parameters: (Point)
ValueBase param_src_tl;
ValueBase param_src_br;
ValueBase param_dest_tl;
ValueBase param_dest_tr;
ValueBase param_dest_bl;
ValueBase param_dest_br;
//! Parameter: (bool)
ValueBase param_clip;
bool valid;
bool affine;
Matrix matrix;
Matrix back_matrix;
bool clip;
Rect clip_rect;
Point transform(const Point &x) const;
Point back_transform(const Point &x) const;
Rect transform(const Rect &x) const;
Rect back_transform(const Rect &x) const;
public:
void sync();
Warp();
~Warp();
virtual Rect get_bounding_rect() const;
virtual Rect get_full_bounding_rect(Context context) const;
virtual bool set_param(const String & param, const ValueBase &value);
virtual ValueBase get_param(const String & param) const;
virtual Vocab get_param_vocab() const;
virtual Color get_color(Context context, const Point &pos) const;
virtual Layer::Handle hit_check(Context context, const Point &point) const;
virtual etl::handle<Transform> get_transform() const;
protected:
virtual rendering::Task::Handle build_rendering_task_vfunc(Context context)const;
};
}; // END of namespace lyr_std
}; // END of namespace modules
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif