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[ft-colr] Fix crash if palette index is out-of-range

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This commit is contained in:
Behdad Esfahbod 2025-03-06 17:28:09 -07:00
parent ad9fa13d23
commit 8685653cc7
1 changed files with 3 additions and 1 deletions
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4
src/hb-ft-colr.hh
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@ -167,7 +167,7 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
hb_color_get_red (color),
(hb_color_get_alpha (color) * stop.color.alpha) >> 14);
}
else
else if (c->palette)
{
FT_Color ft_color = c->palette[stop.color.palette_index];
color_stops->color = HB_COLOR (ft_color.blue,
@ -175,6 +175,8 @@ _hb_ft_color_line_get_color_stops (hb_color_line_t *color_line,
ft_color.red,
(ft_color.alpha * stop.color.alpha) >> 14);
}
else
color_stops->color = HB_COLOR (0, 0, 0, 0);
}
color_stops++;