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[cairo] Fix infinite loop in sweep-gradient code

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Tested with U+F1314 from var font from:
https://github.com/googlefonts/color-fonts/blob/main/glyph_descriptions.md
This commit is contained in:
Behdad Esfahbod 2025-03-05 17:40:46 -07:00 • committed by Khaled Hosny
parent 2c11c9db52
commit 43e82682c5
1 changed files with 3 additions and 0 deletions
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3
src/hb-cairo-utils.cc
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@ -726,6 +726,9 @@ _hb_cairo_add_sweep_gradient_patches (hb_color_stop_t *stops,
float span;
span = angles[n_stops - 1] - angles[0];
if (!span)
goto done;
k = 0;
if (angles[0] >= 0)
{