You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
2.4 KiB
60 lines
2.4 KiB
/**************************************************************************** |
|
* VCGLib o o * |
|
* Visual and Computer Graphics Library o o * |
|
* _ O _ * |
|
* Copyright(C) 2004-2016 \/)\/ * |
|
* Visual Computing Lab /\/| * |
|
* ISTI - Italian National Research Council | * |
|
* \ * |
|
* All rights reserved. * |
|
* * |
|
* This program 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 program 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 (http://www.gnu.org/licenses/gpl.txt) * |
|
* for more details. * |
|
* * |
|
****************************************************************************/ |
|
#ifndef __VCG_SIMILARITY2_H |
|
#define __VCG_SIMILARITY2_H |
|
namespace vcg |
|
{ |
|
|
|
/* |
|
This class codify a similarity transformation in 2D |
|
|
|
The applied transformation is exactly the same of the Similarity class |
|
Tra(Sca(Rot(P))) |
|
*/ |
|
|
|
template <class SCALAR_TYPE> |
|
class Similarity2 |
|
{ |
|
public: |
|
Similarity2():rotRad(0),tra(0,0),sca(1) {} |
|
|
|
SCALAR_TYPE rotRad; |
|
Point2<SCALAR_TYPE> tra; |
|
SCALAR_TYPE sca; |
|
}; |
|
|
|
template <class SCALAR_TYPE> |
|
Point2<SCALAR_TYPE> operator*(const Similarity2<SCALAR_TYPE> &m, const Point2<SCALAR_TYPE> &p) { |
|
Point2<SCALAR_TYPE> r = p; |
|
// Apply Rotation to point |
|
r.Rotate(m.rotRad); |
|
r *= m.sca; |
|
r += m.tra; |
|
return r; |
|
} |
|
|
|
typedef Similarity2<float> Similarity2f; |
|
typedef Similarity2<double> Similarity2d; |
|
|
|
} // end namespace vcg |
|
#endif // __VCG_SIMILARITY2_H
|
|
|