initial version

[synfig.git] / synfig-studio / trunk / src / gtkmm / ducktransform_scale.h

diff --git a/synfig-studio/trunk/src/gtkmm/ducktransform_scale.h b/synfig-studio/trunk/src/gtkmm/ducktransform_scale.h
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+/* === S I N F G =========================================================== */
+/*!    \file template.h
+**     \brief Template Header
+**
+**     $Id: ducktransform_scale.h,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
+**
+**     \legal
+**     Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**     This software and associated documentation
+**     are CONFIDENTIAL and PROPRIETARY property of
+**     the above-mentioned copyright holder.
+**
+**     You may not copy, print, publish, or in any
+**     other way distribute this software without
+**     a prior written agreement with
+**     the copyright holder.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SINFG_STUDIO_DUCK_TRANSFORM_SCALE_H
+#define __SINFG_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 sinfg::Transform
+{
+private:
+       sinfg::Vector scale;
+       sinfg::Vector origin;
+public:
+       Transform_Scale(const sinfg::Vector& scale,const sinfg::Vector& origin=sinfg::Vector(0,0)):scale(scale),origin(origin) { }
+       sinfg::Vector perform(const sinfg::Vector& x)const { return sinfg::Vector((x[0]-origin[0])*scale[0]+origin[0],(x[1]-origin[1])*scale[1]+origin[1]); }
+       sinfg::Vector unperform(const sinfg::Vector& x)const { return sinfg::Vector((x[0]-origin[0])/scale[0]+origin[0],(x[1]-origin[1])/scale[1]+origin[1]); }
+};
+
+};
+
+/* === E N D =============================================================== */
+
+#endif