source: synfigstudio/trunk/fuentes/src/gui/ducktransform_scale.h @ 481

Last change on this file since 481 was 481, checked in by jrpelegrina, 4 years ago

First release to xenial

File size: 2.1 KB
Line 
1/* === S Y N F I G ========================================================= */
2/*!     \file ducktransform_scale.h
3**      \brief Template Header
4**
5**      $Id$
6**
7**      \legal
8**      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9**
10**      This package is free software; you can redistribute it and/or
11**      modify it under the terms of the GNU General Public License as
12**      published by the Free Software Foundation; either version 2 of
13**      the License, or (at your option) any later version.
14**
15**      This package is distributed in the hope that it will be useful,
16**      but WITHOUT ANY WARRANTY; without even the implied warranty of
17**      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18**      General Public License for more details.
19**      \endlegal
20*/
21/* ========================================================================= */
22
23/* === S T A R T =========================================================== */
24
25#ifndef __SYNFIG_STUDIO_DUCK_TRANSFORM_SCALE_H
26#define __SYNFIG_STUDIO_DUCK_TRANSFORM_SCALE_H
27
28/* === H E A D E R S ======================================================= */
29
30#include "duckmatic.h"
31
32/* === M A C R O S ========================================================= */
33
34/* === T Y P E D E F S ===================================================== */
35
36/* === C L A S S E S & S T R U C T S ======================================= */
37
38namespace studio {
39
40class Transform_Scale : public synfig::Transform
41{
42private:
43        synfig::Vector scale;
44        synfig::Vector origin;
45public:
46        Transform_Scale(const synfig::GUID& guid, const synfig::Vector& scale,const synfig::Vector& origin=synfig::Vector(0,0)):
47                Transform(guid), scale(scale), origin(origin) { }
48        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]); }
49        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]); }
50
51        synfig::String get_string()const
52        {
53                return "duck scale";
54        }
55};
56
57};
58
59/* === E N D =============================================================== */
60
61#endif
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