gnome/gcache.c

   1 /*
   2  * Simple Image cache for images
   3  * Copyright (C) 1998 the Free Software Foundation
   4  *
   5  * Author: Miguel de Icaza (miguel@kernel.org)
   6  */
   7 #include <gnome.h>
   8 #include <string.h>
   9 #include "gcache.h"
  10 static GHashTable *image_cache;
  11
  12 static void
  13 destroy_image_callback (gpointer key, gpointer data, gpointer user_data)
  14 {
  15         gdk_imlib_destroy_image (data);
  16         g_free (key);
  17 }
  18
  19 void
  20 image_cache_destroy ()
  21 {
  22         g_hash_table_foreach (image_cache, destroy_image_callback, NULL);
  23         g_hash_table_destroy (image_cache);
  24 }
  25
  26 GdkImlibImage *
  27 image_cache_load_image (char *file)
  28 {
  29         void *data;
  30
  31         if (!image_cache)
  32                 image_cache = g_hash_table_new (g_str_hash, g_str_equal);
  33
  34         data = g_hash_table_lookup (image_cache, file);
  35         if (data)
  36                 return data;
  37
  38         data = gdk_imlib_load_image (file);
  39         if (data){
  40                 g_hash_table_insert (image_cache, g_strdup (file), data);
  41         }
  42         return data;
  43 }