swfdec/swfdec_cached_image.c

   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 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "swfdec_cached_image.h"
  25 #include "swfdec_debug.h"
  26
  27 G_DEFINE_TYPE (SwfdecCachedImage, swfdec_cached_image, SWFDEC_TYPE_CACHED)
  28
  29 static void
  30 swfdec_cached_image_dispose (GObject *object)
  31 {
  32   SwfdecCachedImage *image = SWFDEC_CACHED_IMAGE (object);
  33
  34   if (image->surface) {
  35     cairo_surface_destroy (image->surface);
  36     image->surface = NULL;
  37   }
  38
  39   G_OBJECT_CLASS (swfdec_cached_image_parent_class)->dispose (object);
  40 }
  41
  42 static void
  43 swfdec_cached_image_class_init (SwfdecCachedImageClass * g_class)
  44 {
  45   GObjectClass *object_class = G_OBJECT_CLASS (g_class);
  46
  47   object_class->dispose = swfdec_cached_image_dispose;
  48 }
  49
  50 static void
  51 swfdec_cached_image_init (SwfdecCachedImage *cached)
  52 {
  53   swfdec_color_transform_init_identity (&cached->trans);
  54 }
  55
  56 SwfdecCachedImage *
  57 swfdec_cached_image_new (cairo_surface_t *surface, gsize size)
  58 {
  59   SwfdecCachedImage *image;
  60
  61   g_return_val_if_fail (surface != NULL, NULL);
  62   g_return_val_if_fail (size > 0, NULL);
  63
  64   size += sizeof (SwfdecCachedImage);
  65   image = g_object_new (SWFDEC_TYPE_CACHED_IMAGE, "size", size, NULL);
  66   image->surface = cairo_surface_reference (surface);
  67
  68   return image;
  69 }
  70
  71 cairo_surface_t *
  72 swfdec_cached_image_get_surface (SwfdecCachedImage *image)
  73 {
  74   g_return_val_if_fail (SWFDEC_IS_CACHED_IMAGE (image), NULL);
  75
  76   return cairo_surface_reference (image->surface);
  77 }
  78
  79 void
  80 swfdec_cached_image_get_color_transform (SwfdecCachedImage *image,
  81     SwfdecColorTransform *trans)
  82 {
  83   g_return_if_fail (SWFDEC_IS_CACHED_IMAGE (image));
  84   g_return_if_fail (trans != NULL);
  85
  86   *trans = image->trans;
  87 }
  88
  89 void
  90 swfdec_cached_image_set_color_transform (SwfdecCachedImage *image,
  91     const SwfdecColorTransform *trans)
  92 {
  93   g_return_if_fail (SWFDEC_IS_CACHED_IMAGE (image));
  94   g_return_if_fail (trans != NULL);
  95
  96   image->trans = *trans;
  97 }
  98