swfdec/swfdec_blur_filter.h

   1 /* Swfdec
   2  * Copyright (C) 2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifndef _SWFDEC_BLUR_FILTER_H_
  21 #define _SWFDEC_BLUR_FILTER_H_
  22
  23 #include <swfdec/swfdec_filter.h>
  24 #include <swfdec/swfdec_convolution_matrix.h>
  25
  26 G_BEGIN_DECLS
  27
  28
  29 typedef struct _SwfdecBlurFilter SwfdecBlurFilter;
  30 typedef struct _SwfdecBlurFilterClass SwfdecBlurFilterClass;
  31
  32 #define SWFDEC_TYPE_BLUR_FILTER                    (swfdec_blur_filter_get_type())
  33 #define SWFDEC_IS_BLUR_FILTER(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_BLUR_FILTER))
  34 #define SWFDEC_IS_BLUR_FILTER_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_BLUR_FILTER))
  35 #define SWFDEC_BLUR_FILTER(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_BLUR_FILTER, SwfdecBlurFilter))
  36 #define SWFDEC_BLUR_FILTER_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_BLUR_FILTER, SwfdecBlurFilterClass))
  37 #define SWFDEC_BLUR_FILTER_GET_CLASS(obj)          (G_TYPE_INSTANCE_GET_CLASS ((obj), SWFDEC_TYPE_BLUR_FILTER, SwfdecBlurFilterClass))
  38
  39 struct _SwfdecBlurFilter {
  40   SwfdecFilter          filter;
  41
  42   double                x;              /* blur in horizontal direction */
  43   double                y;              /* blur in vertical direction */
  44   guint                 quality;        /* number of passes */
  45
  46   SwfdecConvolutionMatrix *matrix;      /* matrix if computed or NULL */
  47   double                xscale;         /* xscale matrix was computed for */
  48   double                yscale;         /* yscale matrix was computed for */
  49 };
  50
  51 struct _SwfdecBlurFilterClass {
  52   SwfdecFilterClass     filter_class;
  53 };
  54
  55 GType                   swfdec_blur_filter_get_type     (void);
  56
  57 void                    swfdec_blur_filter_invalidate   (SwfdecBlurFilter *     blur);
  58
  59
  60 G_END_DECLS
  61 #endif