[gthumb] added a "generate-thumbnail" hook

[Paolo Bacchilega <paobac src gnome org>]

commit 76bfb1a799fd7cdec7376023826bb9df38e76408
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Mar 26 16:29:02 2010 +0100

    added a "generate-thumbnail" hook
    
    allow to personalize the thumbnail creation process with a
    "generate-thumbnail" hook.

 gthumb/gth-main-default-hooks.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-main-default-hooks.c b/gthumb/gth-main-default-hooks.c
index 46bf49c..2456236 100644
--- a/gthumb/gth-main-default-hooks.c
+++ b/gthumb/gth-main-default-hooks.c
@@ -197,6 +197,16 @@ gth_main_register_default_hooks (void)
 	gth_hook_register ("read-metadata-ready", 2);
 
 	/**
+	 * Called to generate a thumbnail pixbuf for a file
+	 *
+	 * @uri (char *): the file uri
+	 * @mime_type (char *): the file mime type
+	 * @size (int): the requested thumbnail size
+	 * @return (GdkPixbuf *): the thumbnail pixbuf
+	 */
+	gth_hook_register ("generate-thumbnail", 3);
+
+	/**
 	 * Called when creating the preferences dialog to add other tabs to
 	 * the dialog.
 	 *