#include void eog_pixbuf_flip_horizontal (GdkPixbuf *pixbuf); void eog_pixbuf_flip_vertical (GdkPixbuf *pixbuf); GdkPixbuf* eog_pixbuf_rotate_90_cw (GdkPixbuf *pixbuf); GdkPixbuf* eog_pixbuf_rotate_90_ccw (GdkPixbuf *pixbuf); void eog_pixbuf_rotate_180 (GdkPixbuf *pixbuf);