Add a drag and drop test client
diff --git a/clients/cairo-util.h b/clients/cairo-util.h
index 18fa2b7..f28ac5f 100644
--- a/clients/cairo-util.h
+++ b/clients/cairo-util.h
@@ -28,10 +28,10 @@
void
tile_mask(cairo_t *cr, cairo_surface_t *surface,
- int x, int y, int width, int height, int margin);
+ int x, int y, int width, int height, int margin, int top_margin);
void
tile_source(cairo_t *cr, cairo_surface_t *surface,
- int x, int y, int width, int height, int margin);
+ int x, int y, int width, int height, int margin, int top_margin);
#endif