--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file warp.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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 ======================================= */
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+class Warp_Trans;
+
+class Warp : public Layer
+{
+ SYNFIG_LAYER_MODULE_EXT
+ friend class Warp_Trans;
+private:
+
+ Point src_tl,src_br,dest_tl,dest_tr,dest_bl,dest_br;
+
+ Real horizon;
+
+ Real cache_a,cache_b,cache_c,cache_d,cache_e,cache_f,cache_i,cache_j;
+
+ Real matrix[3][3];
+ Real inv_matrix[3][3];
+
+ Point transform_forward(const Point& p)const;
+ Point transform_backward(const Point& p)const;
+
+ Real transform_forward_z(const Point& p)const;
+ Real transform_backward_z(const Point& p)const;
+
+ bool clip;
+
+public:
+ void sync();
+
+ Warp();
+ ~Warp();
+
+ virtual synfig::Rect get_full_bounding_rect(synfig::Context context)const;
+ virtual synfig::Rect get_bounding_rect()const;
+
+ virtual bool set_param(const synfig::String & param, const synfig::ValueBase &value);
+ virtual ValueBase get_param(const synfig::String & param)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;
+ synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
+ virtual Vocab get_param_vocab()const;
+ virtual etl::handle<synfig::Transform> get_transform()const;
+};
+
+/* === E N D =============================================================== */
+
+#endif