[481] | 1 | /* === S Y N F I G ========================================================= */ |
---|
| 2 | /*! \file ducktransform_rotate.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_ROTATE_H |
---|
| 26 | #define __SYNFIG_STUDIO_DUCK_TRANSFORM_ROTATE_H |
---|
| 27 | |
---|
| 28 | /* === H E A D E R S ======================================================= */ |
---|
| 29 | |
---|
| 30 | #include "duckmatic.h" |
---|
| 31 | #include <synfig/angle.h> |
---|
| 32 | |
---|
| 33 | /* === M A C R O S ========================================================= */ |
---|
| 34 | |
---|
| 35 | /* === T Y P E D E F S ===================================================== */ |
---|
| 36 | |
---|
| 37 | /* === C L A S S E S & S T R U C T S ======================================= */ |
---|
| 38 | |
---|
| 39 | namespace studio { |
---|
| 40 | |
---|
| 41 | class Transform_Rotate : public synfig::Transform |
---|
| 42 | { |
---|
| 43 | private: |
---|
| 44 | //synfig::Angle angle; |
---|
| 45 | synfig::Vector origin; |
---|
| 46 | synfig::Real sin_val; |
---|
| 47 | synfig::Real cos_val; |
---|
| 48 | |
---|
| 49 | public: |
---|
| 50 | Transform_Rotate(const synfig::GUID& guid, const synfig::Angle& angle,const synfig::Vector& origin=synfig::Vector(0,0)): |
---|
| 51 | Transform(guid), |
---|
| 52 | //angle(angle), |
---|
| 53 | origin(origin), |
---|
| 54 | sin_val(synfig::Angle::sin(angle).get()), |
---|
| 55 | cos_val(synfig::Angle::cos(angle).get()) |
---|
| 56 | { |
---|
| 57 | } |
---|
| 58 | |
---|
| 59 | synfig::Vector perform(const synfig::Vector& x)const |
---|
| 60 | { |
---|
| 61 | synfig::Point pos(x-origin); |
---|
| 62 | return synfig::Point(cos_val*pos[0]-sin_val*pos[1],sin_val*pos[0]+cos_val*pos[1])+origin; |
---|
| 63 | } |
---|
| 64 | synfig::Vector unperform(const synfig::Vector& x)const |
---|
| 65 | { |
---|
| 66 | synfig::Point pos(x-origin); |
---|
| 67 | return synfig::Point(cos_val*pos[0]+sin_val*pos[1],-sin_val*pos[0]+cos_val*pos[1])+origin; |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | synfig::String get_string()const |
---|
| 71 | { |
---|
| 72 | return "duck rotate"; |
---|
| 73 | } |
---|
| 74 | }; |
---|
| 75 | |
---|
| 76 | }; |
---|
| 77 | |
---|
| 78 | /* === E N D =============================================================== */ |
---|
| 79 | |
---|
| 80 | #endif |
---|