Add slider knob

1 files changed, 9 insertions, 0 deletions

diff --git a/src/util.c b/src/util.c
index b06fbae..580c360 100644
--- a/src/util.c
+++ b/src/util.c
@@ -214,6 +214,15 @@ bool iszero(const void *ptr, size_t size)
     return true;
 }
 
+void render_triangle(cairo_t *cr, int x, int y, int w, int h)
+{
+    cairo_new_sub_path(cr);
+    cairo_line_to(cr, x, y);
+    cairo_line_to(cr, x, y + h);
+    cairo_line_to(cr, x + w, y + h / 2);
+    cairo_close_path(cr);
+}
+
 void render_capsule_fast(cairo_t *cr, int x, int y, int w, int r1, int r2)
 {
     const double degree = M_PI / 180.0;