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52 lines
1.8 KiB
52 lines
1.8 KiB
6 years ago
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From 7554822dd0b52d33ec7898e81b59e97164b00142 Mon Sep 17 00:00:00 2001
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From: Uli Schlachter <psychon@znc.in>
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Date: Sat, 21 Apr 2018 09:37:06 +0200
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Subject: [PATCH] Fix assertion failure in the freetype backend
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Fonts are kept in a hash table, so when creating a new font, the code
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first checks the hash table for an already-existing entry and only then
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is a new instance really created. There is an assert that checks that
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the key used for the hash table lookup is the same as the instance that
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is created later has, because otherwise the hash table was checked
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incorrectly.
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This assert failed in some conditions.
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Fix this by fixing some places that initialised ft hash keys in a wrong
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way.
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Patch by Behdad Esfahbod and submitted via bugzilla.
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Source: https://bugs.freedesktop.org/show_bug.cgi?id=105746#c4
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Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=105746
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Signed-off-by: Uli Schlachter <psychon@znc.in>
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---
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src/cairo-ft-font.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/cairo-ft-font.c b/src/cairo-ft-font.c
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index 79aef78f5b0d..9b10708988d7 100644
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--- a/src/cairo-ft-font.c
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+++ b/src/cairo-ft-font.c
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@@ -445,7 +445,7 @@ _cairo_ft_unscaled_font_init (cairo_ft_unscaled_font_t *unscaled,
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if (from_face) {
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unscaled->from_face = TRUE;
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- _cairo_ft_unscaled_font_init_key (unscaled, TRUE, NULL, face->face_index, face);
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+ _cairo_ft_unscaled_font_init_key (unscaled, TRUE, NULL, id, face);
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unscaled->have_color = FT_HAS_COLOR (face) != 0;
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@@ -640,7 +640,7 @@ static cairo_status_t
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_cairo_ft_unscaled_font_create_from_face (FT_Face face,
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cairo_ft_unscaled_font_t **out)
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{
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- return _cairo_ft_unscaled_font_create_internal (TRUE, NULL, 0, face, out);
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+ return _cairo_ft_unscaled_font_create_internal (TRUE, NULL, face->face_index, face, out);
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}
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static cairo_bool_t
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--
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2.17.0
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