src/thumb_standard.h

   1 /*
   2  * GQview
   3  * (C) 2005 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #ifndef THUMB_STANDARD_H
  14 #define THUMB_STANDARD_H
  15
  16
  17 #define THUMB_FOLDER        ".thumbnails"
  18 #define THUMB_FOLDER_NORMAL "normal"
  19 #define THUMB_FOLDER_LARGE  "large"
  20 #define THUMB_FOLDER_FAIL   "fail/gqview-1.0"
  21 #define THUMB_NAME_EXTENSION ".png"
  22
  23
  24 typedef struct _ThumbLoaderStd ThumbLoaderStd;
  25 typedef void (* ThumbLoaderStdFunc)(ThumbLoaderStd *tl, gpointer data);
  26
  27 struct _ThumbLoaderStd
  28 {
  29         gint standard_loader;
  30
  31         GdkPixbuf *pixbuf;
  32         ImageLoader *il;
  33
  34         gchar *source_path;
  35
  36         time_t source_mtime;
  37         off_t source_size;
  38         mode_t source_mode;
  39
  40         gchar *thumb_path;
  41         gchar *thumb_uri;
  42         const gchar *local_uri;
  43
  44         gint thumb_path_local;
  45
  46         gint requested_width;
  47         gint requested_height;
  48
  49         gint cache_enable;
  50         gint cache_local;
  51         gint cache_hit;
  52         gint cache_retry;
  53
  54         gdouble progress;
  55
  56         ThumbLoaderStdFunc func_done;
  57         ThumbLoaderStdFunc func_error;
  58         ThumbLoaderStdFunc func_progress;
  59
  60         gpointer data;
  61 };
  62
  63
  64 ThumbLoaderStd *thumb_loader_std_new(gint width, gint height);
  65 void thumb_loader_std_set_callbacks(ThumbLoaderStd *tl,
  66                                     ThumbLoaderStdFunc func_done,
  67                                     ThumbLoaderStdFunc func_error,
  68                                     ThumbLoaderStdFunc func_progress,
  69                                     gpointer data);
  70 void thumb_loader_std_set_cache(ThumbLoaderStd *tl, gint enable_cache, gint local, gint retry_failed);
  71 gint thumb_loader_std_start(ThumbLoaderStd *tl, const gchar *path);
  72 void thumb_loader_std_free(ThumbLoaderStd *tl);
  73
  74 GdkPixbuf *thumb_loader_std_get_pixbuf(ThumbLoaderStd *tl, gint with_fallback);
  75
  76
  77 /* validates a non local thumbnail file,
  78  * calling func_valid with the information when app is idle
  79  * for thumbnail's without a file: uri, validates against allowed_age in days
  80  */
  81 ThumbLoaderStd *thumb_loader_std_thumb_file_validate(const gchar *thumb_path, gint allowed_age,
  82                                                      void (*func_valid)(const gchar *path, gint valid, gpointer data),
  83                                                      gpointer data);
  84 void thumb_loader_std_thumb_file_validate_cancel(ThumbLoaderStd *tl);
  85
  86
  87 void thumb_std_maint_removed(const gchar *source);
  88 void thumb_std_maint_moved(const gchar *source, const gchar *dest);
  89
  90
  91 #endif