gambas-source-code/main/lib/draw/matrix.h
Benoît Minisini b225eba20f [CONFIGURATION]
* NEW: Update copyright year in all source files.


git-svn-id: svn://localhost/gambas/trunk@8056 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2017-01-13 03:29:42 +00:00

49 lines
1.5 KiB
C

/***************************************************************************
matrix.h
(c) 2000-2017 Benoît Minisini <gambas@users.sourceforge.net>
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, 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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#ifndef __MATRIX_H
#define __MATRIX_H
#include "gb_common.h"
#include "gb.draw.h"
typedef
GB_MATRIX
MATRIX;
void MATRIX_init(MATRIX *matrix);
void MATRIX_reset(MATRIX *matrix);
void MATRIX_translate(MATRIX *matrix, double dx, double dy);
void MATRIX_scale(MATRIX *matrix, double sx, double sy);
void MATRIX_rotate(MATRIX *matrix, double angle);
void MATRIX_map_point(MATRIX *matrix, int *x, int *y);
void MATRIX_map_rect(MATRIX *matrix, int *x, int *y, int *w, int *h);
int *MATRIX_map_array(MATRIX *matrix, int *coord, int npoint);
void MATRIX_free_array(int **coord);
#define MATRIX_is_identity(_matrix) ((_matrix)->identity)
#endif