|
Packit Service |
e3b512 |
/* Copyright (C) 2008 Jonathon Jongsma
|
|
Packit Service |
e3b512 |
*
|
|
Packit Service |
e3b512 |
* This library is free software; you can redistribute it and/or
|
|
Packit Service |
e3b512 |
* modify it under the terms of the GNU Library General Public
|
|
Packit Service |
e3b512 |
* License as published by the Free Software Foundation; either
|
|
Packit Service |
e3b512 |
* version 2 of the License, or (at your option) any later version.
|
|
Packit Service |
e3b512 |
*
|
|
Packit Service |
e3b512 |
* This library is distributed in the hope that it will be useful,
|
|
Packit Service |
e3b512 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit Service |
e3b512 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit Service |
e3b512 |
* Library General Public License for more details.
|
|
Packit Service |
e3b512 |
*
|
|
Packit Service |
e3b512 |
* You should have received a copy of the GNU Library General Public
|
|
Packit Service |
e3b512 |
* License along with this library; if not, write to the Free Software
|
|
Packit Service |
e3b512 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
Packit Service |
e3b512 |
* 02110-1301, USA.
|
|
Packit Service |
e3b512 |
*/
|
|
Packit Service |
e3b512 |
#include <cairomm/matrix.h>
|
|
Packit Service |
e3b512 |
#include <cairomm/private.h>
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
namespace Cairo
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix::Matrix()
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix::Matrix(double xx, double yx, double xy, double yy, double x0, double y0)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_init(this, xx, yx, xy, yy, x0, y0);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix identity_matrix()
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
Matrix m;
|
|
Packit Service |
e3b512 |
cairo_matrix_init_identity(&m);
|
|
Packit Service |
e3b512 |
return m;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix translation_matrix(double tx, double ty)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
Matrix m;
|
|
Packit Service |
e3b512 |
cairo_matrix_init_translate(&m, tx, ty);
|
|
Packit Service |
e3b512 |
return m;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix scaling_matrix(double sx, double sy)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
Matrix m;
|
|
Packit Service |
e3b512 |
cairo_matrix_init_scale(&m, sx, sy);
|
|
Packit Service |
e3b512 |
return m;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix rotation_matrix(double radians)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
Matrix m;
|
|
Packit Service |
e3b512 |
cairo_matrix_init_rotate(&m, radians);
|
|
Packit Service |
e3b512 |
return m;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::translate(double tx, double ty)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_translate(this, tx, ty);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::scale(double sx, double sy)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_scale(this, sx, sy);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::rotate(double radians)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_rotate(this, radians);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::invert()
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
auto status = cairo_matrix_invert(this);
|
|
Packit Service |
e3b512 |
check_status_and_throw_exception(status);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
// throws exception
|
|
Packit Service |
e3b512 |
void Matrix::multiply(Matrix& a, Matrix& b)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_multiply(this, &a, &b);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::transform_distance(double& dx, double& dy) const
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_transform_distance(this, &dx, &dy;;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
void Matrix::transform_point(double& x, double& y) const
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
cairo_matrix_transform_point(this, &x, &y);
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
Matrix operator*(const Matrix& a, const Matrix& b)
|
|
Packit Service |
e3b512 |
{
|
|
Packit Service |
e3b512 |
Matrix m;
|
|
Packit Service |
e3b512 |
cairo_matrix_multiply(&m, &a, &b);
|
|
Packit Service |
e3b512 |
return m;
|
|
Packit Service |
e3b512 |
}
|
|
Packit Service |
e3b512 |
|
|
Packit Service |
e3b512 |
} // namespace Cairo
|