toytoolkit: rename tile_mask to render_shadow
This function is used and clearly designed only for drawing the shadows.
Rename it so that it has name after what it does and also move some
common code into the function.
Signed-off-by: Marek Chalupa <mchqwerty@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/shared/cairo-util.h b/shared/cairo-util.h
index 11d11d1..dc735a6 100644
--- a/shared/cairo-util.h
+++ b/shared/cairo-util.h
@@ -32,8 +32,8 @@
surface_flush_device(cairo_surface_t *surface);
void
-tile_mask(cairo_t *cr, cairo_surface_t *surface,
- int x, int y, int width, int height, int margin, int top_margin);
+render_shadow(cairo_t *cr, cairo_surface_t *surface,
+ int x, int y, int width, int height, int margin, int top_margin);
void
tile_source(cairo_t *cr, cairo_surface_t *surface,