X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Fsrc%2Fgtkmm%2Fducktransform_scale.h;fp=synfig-studio%2Fsrc%2Fgtkmm%2Fducktransform_scale.h;h=348a580e10becbb3c40fc8c8309fbd9908d3fab3;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-studio/src/gtkmm/ducktransform_scale.h b/synfig-studio/src/gtkmm/ducktransform_scale.h new file mode 100644 index 0000000..348a580 --- /dev/null +++ b/synfig-studio/src/gtkmm/ducktransform_scale.h @@ -0,0 +1,56 @@ +/* === S Y N F I G ========================================================= */ +/*! \file ducktransform_scale.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_SCALE_H +#define __SYNFIG_STUDIO_DUCK_TRANSFORM_SCALE_H + +/* === H E A D E R S ======================================================= */ + +#include "duckmatic.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_Scale : public synfig::Transform +{ +private: + synfig::Vector scale; + synfig::Vector origin; +public: + Transform_Scale(const synfig::GUID& guid, const synfig::Vector& scale,const synfig::Vector& origin=synfig::Vector(0,0)): + Transform(guid), scale(scale), origin(origin) { } + synfig::Vector perform(const synfig::Vector& x)const { return synfig::Vector((x[0]-origin[0])*scale[0]+origin[0],(x[1]-origin[1])*scale[1]+origin[1]); } + synfig::Vector unperform(const synfig::Vector& x)const { return synfig::Vector((x[0]-origin[0])/scale[0]+origin[0],(x[1]-origin[1])/scale[1]+origin[1]); } +}; + +}; + +/* === E N D =============================================================== */ + +#endif