[libdocument] Add a function to invert colors of an image cairo surface

[evince.git] / libdocument / ev-document-misc.h

diff --git a/libdocument/ev-document-misc.h b/libdocument/ev-document-misc.h
index 47e3c41794180cf8f18953bb0f435ca754b42753..8e929836e3343e5f6c9746f6365daf4122c5de6f 100644 (file)
--- a/libdocument/ev-document-misc.h
+++ b/libdocument/ev-document-misc.h
@@ -51,6 +51,7 @@ cairo_surface_t *ev_document_misc_surface_rotate_and_scale (cairo_surface_t *sur
                                                            gint             dest_width,
                                                            gint             dest_height,
                                                            gint             dest_rotation);
+void             ev_document_misc_invert_surface (cairo_surface_t *surface);
 void            ev_document_misc_invert_pixbuf  (GdkPixbuf       *pixbuf);
 
 G_END_DECLS