clear canvas before redrawing point

1 files changed, 1 insertions, 0 deletions

diff --git a/widget.h b/widget.h
index d722541..98f592c 100644
--- a/widget.h
+++ b/widget.h
@@ -86,3 +86,4 @@ int w_init_canvas(w_Canvas *c, const char *bg_img_path);
 void w_free_canvas(w_Canvas *c);
 void w_canvas(mu_Context *ctx, w_Canvas *canvas);
 void w_canvas_draw_circle(w_Canvas *canvas, int x, int y, int r, mu_Color color);
+void w_clear_canvas(w_Canvas *canvas);