From 570fe998c942e1042c66bbab2f848a9e05ad777a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 25 Jan 2023 15:42:24 -0700
Subject: [PATCH] [cairo] Another sweep_gradient fix

k was -1 sometimes.

Fixes the rest of https://roettsch.es/var_colrv1.html
---
 src/hb-cairo-utils.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-cairo-utils.cc b/src/hb-cairo-utils.cc
index 3466cba79..299fdbebf 100644
--- a/src/hb-cairo-utils.cc
+++ b/src/hb-cairo-utils.cc
@@ -727,7 +727,7 @@ _hb_cairo_add_sweep_gradient_patches (hb_color_stop_t *stops,
     //assert (angles[0] + k * span <= 0 && 0 < angles[n_stops - 1] + k * span);
     span = fabs (span);
 
-    for (unsigned l = k; l < 1000; l++)
+    for (signed l = k; l < 1000; l++)
     {
       for (unsigned i = 1; i < n_stops; i++)
       {