swfdec/swfdec_rect.h

   1 /* Swfdec
   2  * Copyright (C) 2003-2006 David Schleef <ds@schleef.org>
   3  *               2005-2006 Eric Anholt <eric@anholt.net>
   4  *                    2006 Benjamin Otte <otte@gnome.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA  02110-1301  USA
  20  */
  21
  22 #ifndef __SWFDEC_RECT_H__
  23 #define __SWFDEC_RECT_H__
  24
  25 #include <swfdec/swfdec_types.h>
  26 #include <swfdec/swfdec_rectangle.h>
  27
  28 G_BEGIN_DECLS
  29
  30 struct _SwfdecRect
  31 {
  32   double x0;
  33   double y0;
  34   double x1;
  35   double y1;
  36 };
  37
  38 void swfdec_rect_init_empty (SwfdecRect *rect);
  39
  40 gboolean swfdec_rect_intersect (SwfdecRect * dest, const SwfdecRect * a, const SwfdecRect * b);
  41 void swfdec_rect_round (SwfdecRect *dest, SwfdecRect *src);
  42 void swfdec_rect_union (SwfdecRect * dest, const SwfdecRect * a, const SwfdecRect * b);
  43 void swfdec_rect_subtract (SwfdecRect *dest, const SwfdecRect *a, const SwfdecRect *b);
  44 void swfdec_rect_scale (SwfdecRect *dest, const SwfdecRect *src, double factor);
  45 gboolean swfdec_rect_is_empty (const SwfdecRect * a);
  46 /* FIXME: rename to _contains_point and _contains instead of _inside? */
  47 gboolean swfdec_rect_contains (const SwfdecRect *rect, double x, double y);
  48 gboolean swfdec_rect_inside (const SwfdecRect *outer, const SwfdecRect *inner);
  49 void swfdec_rect_transform (SwfdecRect *dest, const SwfdecRect *src, const cairo_matrix_t *matrix);
  50
  51 void swfdec_rectangle_init_rect (SwfdecRectangle *rectangle, const SwfdecRect *rect);
  52
  53 G_END_DECLS
  54 #endif