-/* xscreensaver, Copyright (c) 1992, 1993, 1994, 1997, 2001, 2003
+/* xscreensaver, Copyright (c) 1992, 1993, 1994, 1997, 2001, 2003, 2004, 2005
* Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
If it is from a file, then it will be returned in `filename_return'.
filename_return may be NULL; also, NULL may be returned (e.g., if
- it's a screenshot or video capture.)
+ it's a screenshot or video capture.) You are responsible for
+ freeing this string.
+
+ The size and position of the image is returned in `geometry_return'.
+ The image will generally have been scaled up to fit the window, but
+ if a loaded file had a different aspect ratio than the window, it
+ will have been centered, and the returned coords will describe that.
Many colors may be allocated from the window's colormap.
*/
extern void load_random_image (Screen *screen,
Window top_level_window,
Drawable target_window_or_pixmap,
- char **filename_return);
+ char **filename_return,
+ XRectangle *geometry_return);
+
+/* Like the above, but loads the image in the background and runs the
+ given callback once it has been loaded. Copy `name' if you want
+ to keep it.
+ */
+extern void fork_load_random_image (Screen *screen, Window window,
+ Drawable drawable,
+ void (*callback) (Screen *, Window,
+ Drawable,
+ const char *name,
+ XRectangle *geometry,
+ void *closure),
+ void *closure);
+
/* Whether one should use GCSubwindowMode when drawing on this window
(assuming a screen image has been grabbed onto it.) Yes, this is a
/* Don't call this: this is for the "xscreensaver-getimage" program only. */
extern void grab_screen_image_internal (Screen *, Window);
-/* Don't use this: this is how "xscreensaver-getimage" and "grabclient.c"
+/* Don't use these: this is how "xscreensaver-getimage" and "grabclient.c"
pass the file name around. */
#define XA_XSCREENSAVER_IMAGE_FILENAME "_SCREENSAVER_IMAGE_FILENAME"
+#define XA_XSCREENSAVER_IMAGE_GEOMETRY "_SCREENSAVER_IMAGE_GEOMETRY"
#endif /* __GRABSCREEN_H__ */