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Carlos Lopez |
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/* === S Y N F I G ========================================================= */
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/*! \file ducktransform_rotate.h
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** \brief Template Header
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**
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** $Id$
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**
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** \legal
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Carlos Lopez |
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** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
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**
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Carlos Lopez |
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** This package is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License as
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Carlos Lopez |
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** published by the Free Software Foundation; either version 2 of
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Carlos Lopez |
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** the License, or (at your option) any later version.
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**
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Carlos Lopez |
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** This package is distributed in the hope that it will be useful,
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Carlos Lopez |
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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Carlos Lopez |
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Carlos Lopez |
a09598 |
** General Public License for more details.
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Carlos Lopez |
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** \endlegal
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Carlos Lopez |
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*/
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Carlos Lopez |
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/* ========================================================================= */
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Carlos Lopez |
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Carlos Lopez |
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/* === S T A R T =========================================================== */
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Carlos Lopez |
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Carlos Lopez |
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#ifndef __SYNFIG_STUDIO_DUCK_TRANSFORM_ROTATE_H
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#define __SYNFIG_STUDIO_DUCK_TRANSFORM_ROTATE_H
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Carlos Lopez |
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/* === H E A D E R S ======================================================= */
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Carlos Lopez |
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#include "duckmatic.h"
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#include <synfig angle.h=""></synfig>
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/* === M A C R O S ========================================================= */
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Carlos Lopez |
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Carlos Lopez |
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/* === T Y P E D E F S ===================================================== */
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Carlos Lopez |
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Carlos Lopez |
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/* === C L A S S E S & S T R U C T S ======================================= */
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Carlos Lopez |
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Carlos Lopez |
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namespace studio {
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class Transform_Rotate : public synfig::Transform
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{
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private:
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//synfig::Angle angle;
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synfig::Vector origin;
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synfig::Real sin_val;
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synfig::Real cos_val;
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public:
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Transform_Rotate(const synfig::GUID& guid, const synfig::Angle& angle,const synfig::Vector& origin=synfig::Vector(0,0)):
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Transform(guid),
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//angle(angle),
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origin(origin),
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sin_val(synfig::Angle::sin(angle).get()),
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cos_val(synfig::Angle::cos(angle).get())
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{
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}
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synfig::Vector perform(const synfig::Vector& x)const
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{
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synfig::Point pos(x-origin);
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return synfig::Point(cos_val*pos[0]-sin_val*pos[1],sin_val*pos[0]+cos_val*pos[1])+origin;
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}
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synfig::Vector unperform(const synfig::Vector& x)const
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{
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synfig::Point pos(x-origin);
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return synfig::Point(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1])+origin;
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}
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Nikita Kitaev |
dc5e35 |
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Nikita Kitaev |
dc5e35 |
synfig::String get_string()const
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Nikita Kitaev |
dc5e35 |
{
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return "duck rotate";
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Nikita Kitaev |
dc5e35 |
}
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Carlos Lopez |
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};
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};
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/* === E N D =============================================================== */
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#endif
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