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Disable compatibility decomposition usage during normalization 

Fixes https://github.com/behdad/harfbuzz/issues/152
This commit is contained in:
Behdad Esfahbod 2015-10-21 17:20:55 -02:00
parent ce889189c1
commit f679970040
1 changed files with 0 additions and 24 deletions
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24
src/hb-ot-shape-normalize.cc
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@ -171,28 +171,6 @@ decompose (const hb_ot_shape_normalize_context_t *c, bool shortest, hb_codepoint
return 0;
}
/* Returns 0 if didn't decompose, number of resulting characters otherwise. */
static inline unsigned int
decompose_compatibility (const hb_ot_shape_normalize_context_t *c, hb_codepoint_t u)
{
unsigned int len, i;
hb_codepoint_t decomposed[HB_UNICODE_MAX_DECOMPOSITION_LEN];
hb_codepoint_t glyphs[HB_UNICODE_MAX_DECOMPOSITION_LEN];
len = c->buffer->unicode->decompose_compatibility (u, decomposed);
if (!len)
return 0;
for (i = 0; i < len; i++)
if (!c->font->get_glyph (decomposed[i], 0, &glyphs[i]))
return 0;
for (i = 0; i < len; i++)
output_char (c->buffer, decomposed[i], glyphs[i]);
return len;
}
static inline void
decompose_current_character (const hb_ot_shape_normalize_context_t *c, bool shortest)
{
@ -207,8 +185,6 @@ decompose_current_character (const hb_ot_shape_normalize_context_t *c, bool shor
skip_char (buffer);
else if (!shortest && c->font->get_glyph (u, 0, &glyph))
next_char (buffer, glyph);
else if (decompose_compatibility (c, u))
skip_char (buffer);
else
next_char (buffer, glyph); /* glyph is initialized in earlier branches. */
}