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[hb-cairo] Fixes for sweep gradients 

Make reversed angles not infloop, and
cap the number of interval repetitions
at 1000.

Fixes: https://github.com/harfbuzz/harfbuzz/issues/4055
This commit is contained in:
Matthias Clasen 2023-01-20 23:38:22 -05:00
parent fcb5111cc6
commit 47baa1da6b
1 changed files with 2 additions and 1 deletions
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3
src/hb-cairo-utils.cc
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@ -723,8 +723,9 @@ _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; 1; l++)
for (unsigned l = k; l < 1000; l++)
{
for (unsigned i = 1; i < n_stops; i++)
{