Add slider knob

1 files changed, 2 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 76c87c0..33d4991 100644
--- a/src/util.h
+++ b/src/util.h
@@ -85,6 +85,8 @@ void strfree(char **list);
 
 bool iszero(const void *ptr, size_t size);
 
+void render_triangle(cairo_t *cr, int x, int y, int w, int h);
+
 // Render a capsule shape. Cannot handle w < 2*r1
 void render_capsule_fast(cairo_t *cr, int x, int y, int w, int r1, int r2);