+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file ducktransform_rotate.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
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_STUDIO_DUCK_TRANSFORM_ROTATE_H
-#define __SYNFIG_STUDIO_DUCK_TRANSFORM_ROTATE_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "duckmatic.h"
-#include <synfig/angle.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 studio {
-
-class Transform_Rotate : public synfig::Transform
-{
-private:
- synfig::Angle angle;
- synfig::Vector origin;
- synfig::Real sin_val;
- synfig::Real cos_val;
-
-public:
- Transform_Rotate(const synfig::Angle& angle,const synfig::Vector& origin=synfig::Vector(0,0)):
- angle(angle),
- origin(origin),
- sin_val(synfig::Angle::sin(angle).get()),
- cos_val(synfig::Angle::cos(angle).get())
- {
- }
-
- synfig::Vector perform(const synfig::Vector& x)const
- {
- synfig::Point pos(x-origin);
- return synfig::Point(cos_val*pos[0]-sin_val*pos[1],sin_val*pos[0]+cos_val*pos[1])+origin;
- }
- synfig::Vector unperform(const synfig::Vector& x)const
- {
- synfig::Point pos(x-origin);
- return synfig::Point(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1])+origin;
- }
-};
-
-};
-
-/* === E N D =============================================================== */
-
-#endif