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dwrite: Use mark array helper in mark to mark attachment handler. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-06-16 14:56:42 +03:00 committed by Alexandre Julliard
parent 81d8a0980b
commit 122cac563d
1 changed files with 7 additions and 44 deletions
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51
dlls/dwrite/opentype.c
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@ -4295,30 +4295,15 @@ static BOOL opentype_layout_apply_gpos_mark_to_mark_attachment(struct scriptshap
if (format == 1)
{
const struct ot_gpos_mark_to_mark_format1 *format1 = table_read_ensure(table, subtable_offset, sizeof(*format1));
unsigned int count, mark1_array_offset, mark2_array_offset, mark_class_count;
unsigned int mark1_index, mark2_index, mark2_anchor;
const struct ot_gpos_mark_array *mark1_array;
const struct ot_gpos_base_array *mark2_array;
float mark1_x, mark1_y, mark2_x, mark2_y;
const struct ot_gpos_mark_to_mark_format1 *format1;
unsigned int mark1_index, mark2_index;
struct glyph_iterator mark_iter;
if (!format1)
return FALSE;
if (!(format1 = table_read_ensure(table, subtable_offset, sizeof(*format1)))) return FALSE;
mark1_index = opentype_layout_is_glyph_covered(table, subtable_offset + GET_BE_WORD(format1->mark1_coverage),
context->u.pos.glyphs[context->cur]);
mark1_array_offset = subtable_offset + GET_BE_WORD(format1->mark1_array);
if (!(count = table_read_be_word(table, mark1_array_offset)))
return FALSE;
mark1_array = table_read_ensure(table, mark1_array_offset, FIELD_OFFSET(struct ot_gpos_mark_array, records[count]));
if (!mark1_array)
return FALSE;
if (mark1_index == GLYPH_NOT_COVERED || mark1_index >= count)
return FALSE;
if (mark1_index == GLYPH_NOT_COVERED) return FALSE;
glyph_iterator_init(context, lookup->flags & ~LOOKUP_FLAG_IGNORE_MASK, context->cur, 1, &mark_iter);
if (!glyph_iterator_prev(&mark_iter))
@ -4327,34 +4312,12 @@ static BOOL opentype_layout_apply_gpos_mark_to_mark_attachment(struct scriptshap
if (!context->u.pos.glyph_props[mark_iter.pos].isDiacritic)
return FALSE;
mark2_array_offset = subtable_offset + GET_BE_WORD(format1->mark2_array);
if (!(count = table_read_be_word(table, mark2_array_offset)))
return FALSE;
mark_class_count = GET_BE_WORD(format1->mark_class_count);
mark2_array = table_read_ensure(table, mark2_array_offset,
FIELD_OFFSET(struct ot_gpos_base_array, offsets[count * mark_class_count]));
if (!mark2_array)
return FALSE;
mark2_index = opentype_layout_is_glyph_covered(table, subtable_offset + GET_BE_WORD(format1->mark2_coverage),
context->u.pos.glyphs[mark_iter.pos]);
if (mark2_index == GLYPH_NOT_COVERED) return FALSE;
if (mark2_index == GLYPH_NOT_COVERED || mark2_index >= count)
return FALSE;
mark2_anchor = GET_BE_WORD(mark2_array->offsets[mark2_index * mark_class_count +
GET_BE_WORD(mark1_array->records[mark1_index].mark_class)]);
opentype_layout_gpos_get_anchor(context, mark1_array_offset +
GET_BE_WORD(mark1_array->records[mark1_index].mark_anchor), context->cur, &mark1_x, &mark1_y);
opentype_layout_gpos_get_anchor(context, mark2_array_offset + mark2_anchor, mark_iter.pos,
&mark2_x, &mark2_y);
context->offsets[context->cur].advanceOffset = mark2_x - mark1_x;
context->offsets[context->cur].ascenderOffset = mark2_y - mark1_y;
context->cur++;
return opentype_layout_apply_mark_array(context, subtable_offset, GET_BE_WORD(format1->mark1_array), mark1_index,
mark2_index, GET_BE_WORD(format1->mark2_array), GET_BE_WORD(format1->mark_class_count), mark_iter.pos);
}
else
{