/* === S Y N F I G ========================================================= */
/*! \file curvewarp.h
** \brief Header file for implementation of the "Curve Warp" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007-2008 Chris Moore
** 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_CURVEWARP_H
#define __SYNFIG_CURVEWARP_H
/* === H E A D E R S ======================================================= */
#include <vector>
#include <synfig/vector.h>
#include <synfig/layer.h>
#include <synfig/blinepoint.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 CurveWarp : public Layer
{
SYNFIG_LAYER_MODULE_EXT
private:
//!Parameter: (Point) origin of the warp
ValueBase param_origin;
//!Parameter: (Real) perpendicular expansion
ValueBase param_perp_width;
//!Parameter: (Point) start point of source
ValueBase param_start_point;
//!Parameter: (Point) end point of source
ValueBase param_end_point;
//!Parameter: (std::vector<BlinePoint>) spline of the warp
ValueBase param_bline;
//!Parameter: (bool)
ValueBase param_fast;
Vector perp_;
Real curve_length_;
void sync();
public:
CurveWarp();
virtual bool set_param(const String ¶m, const ValueBase &value);
virtual ValueBase get_param(const String ¶m)const;
virtual Point transform(const Point &point_, Real *dist=NULL, Real *along=0, int quality=10)const;
virtual Color get_color(Context context, const Point &pos)const;
virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
virtual bool accelerated_cairorender(Context context,cairo_t *cr, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
Layer::Handle hit_check(Context context, const Point &point)const;
virtual Vocab get_param_vocab()const;
protected:
virtual RendDesc get_sub_renddesc_vfunc(const RendDesc &renddesc) const;
};
}; // END of namespace lyr_std
}; // END of namespace modules
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif