/usr/include/GTLCore/Transform.h is in opengtl-dev 0.9.16-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /*
* Copyright (c) 2010 Cyrille Berger <cberger@cberger.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GTLCORE_TRANSFORM_H_
#define _GTLCORE_TRANSFORM_H_
#include <GTLCore/Export.h>
namespace GTLCore {
class RegionF;
/**
* @ingroup GTLCore
* This class describes a 2D transformation for pixels.
*/
class GTLCORE_EXPORT Transform {
public:
/**
* Construct an empty transformation
*/
Transform();
Transform(const Transform& _transform);
Transform& operator=(const Transform& _transform);
~Transform();
public:
/**
* Perform a rotation anti-clock wise.
*/
void rotate(double _angle);
/**
* Perform a translation
*/
void translate(double _dx, double _dy);
/**
* Scale the transformation
*/
void scale(double sx, double sy);
/**
* Shear the transformation
*/
void shear(double sh, double sv);
/**
* Invert this transformation
*/
Transform invert() const;
public:
/**
* Apply the transformation on the coordinate ( @p x, @p y ) and store the
* result in ( @p x_o, @p y_o )
*/
void map(double x, double y, double& x_o, double& y_o) const;
/**
* Apply the transformation on the coordinate ( @p x, @p y ) and store the
* result in ( @p x_o, @p y_o )
*/
void map(float x, float y, float& x_o, float& y_o) const;
/**
* Transform a region
*/
RegionF map(const RegionF& region) const;
public:
const Transform& operator*=(const Transform &m);
Transform operator*(const Transform &m) const;
private:
struct Private;
Private* const d;
};
}
#endif
|