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Separate GlyphID from HBUINT16 

For stricter enforcement.
This commit is contained in:
Behdad Esfahbod 2018-12-30 20:24:21 -05:00
parent 8ac64d0090
commit a685bfe8fc
4 changed files with 12 additions and 8 deletions
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8
src/hb-dsalgs.hh
View File

@ -497,8 +497,8 @@ static inline void hb_sort_r(void *base, size_t nel, size_t width,
}
template <typename T, typename T2> static inline void
hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *), T2 *array2)
template <typename T, typename T2, typename T3> static inline void
hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *), T3 *array2)
{
for (unsigned int i = 1; i < len; i++)
{
@ -515,8 +515,8 @@ hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *),
}
if (array2)
{
T2 t = array2[i];
memmove (&array2[j + 1], &array2[j], (i - j) * sizeof (T2));
T3 t = array2[i];
memmove (&array2[j + 1], &array2[j], (i - j) * sizeof (T3));
array2[j] = t;
}
}

2
src/hb-open-type.hh
View File

@ -151,7 +151,7 @@ struct Tag : HBUINT32
};
/* Glyph index number, same as uint16 (length = 16 bits) */
typedef HBUINT16 GlyphID;
struct GlyphID : HBUINT16 {};
/* Script/language-system/feature index */
struct Index : HBUINT16 {

2
src/hb-ot-layout-common.hh
View File

@ -1208,7 +1208,7 @@ struct ClassDefFormat1
}
bool serialize (hb_serialize_context_t *c,
hb_array_t<const HBUINT16> glyphs,
hb_array_t<const GlyphID> glyphs,
hb_array_t<const HBUINT16> klasses)
{
TRACE_SERIALIZE (this);

8
src/hb-ot-shape-complex-arabic-fallback.hh
View File

@ -77,7 +77,9 @@ arabic_fallback_synthesize_lookup_single (const hb_ot_shape_plan_t *plan HB_UNUS
/* Bubble-sort or something equally good!
* May not be good-enough for presidential candidate interviews, but good-enough for us... */
hb_stable_sort (&glyphs[0], num_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &substitutes[0]);
hb_stable_sort (&glyphs[0], num_glyphs,
(int(*)(const OT::HBUINT16*, const OT::HBUINT16 *)) OT::GlyphID::cmp,
&substitutes[0]);
/* Each glyph takes four bytes max, and there's some overhead. */
@ -123,7 +125,9 @@ arabic_fallback_synthesize_lookup_ligature (const hb_ot_shape_plan_t *plan HB_UN
first_glyphs_indirection[num_first_glyphs] = first_glyph_idx;
num_first_glyphs++;
}
hb_stable_sort (&first_glyphs[0], num_first_glyphs, (int(*)(const OT::GlyphID*, const OT::GlyphID *)) OT::GlyphID::cmp, &first_glyphs_indirection[0]);
hb_stable_sort (&first_glyphs[0], num_first_glyphs,
(int(*)(const OT::HBUINT16*, const OT::HBUINT16 *)) OT::GlyphID::cmp,
&first_glyphs_indirection[0]);
/* Now that the first-glyphs are sorted, walk again, populate ligatures. */
for (unsigned int i = 0; i < num_first_glyphs; i++)