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dwrite: Reference currently used layout table in context. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-05-27 10:14:21 +03:00 committed by Alexandre Julliard
parent 8257fe88fb
commit 3cf308d1b8
3 changed files with 54 additions and 64 deletions
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3
dlls/dwrite/analyzer.c
View File

@ -1184,6 +1184,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGlyphs(IDWriteTextAnalyzer2 *iface,
context.user_features.range_lengths = feature_range_lengths;
context.user_features.range_count = feature_ranges;
context.glyph_infos = heap_alloc_zero(sizeof(*context.glyph_infos) * max_glyph_count);
context.table = &context.cache->gsub;
script = analysis->script > Script_LastId ? Script_Unknown : analysis->script;
scriptprops = &dwritescripts_properties[script];
@ -1260,6 +1261,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGlyphPlacements(IDWriteTextAnalyzer2
context.user_features.range_lengths = feature_range_lengths;
context.user_features.range_count = feature_ranges;
context.glyph_infos = heap_alloc_zero(sizeof(*context.glyph_infos) * glyph_count);
context.table = &context.cache->gpos;
hr = shape_get_positions(&context, scriptprops->scripttags);
@ -1328,6 +1330,7 @@ static HRESULT WINAPI dwritetextanalyzer_GetGdiCompatibleGlyphPlacements(IDWrite
context.user_features.range_lengths = feature_range_lengths;
context.user_features.range_count = feature_ranges;
context.glyph_infos = heap_alloc_zero(sizeof(*context.glyph_infos) * glyph_count);
context.table = &context.cache->gpos;
hr = shape_get_positions(&context, scriptprops->scripttags);

1
dlls/dwrite/dwrite_private.h
View File

@ -496,6 +496,7 @@ struct scriptshaping_context
} subst;
} u;
const struct ot_gsubgpos_table *table; /* Either GSUB or GPOS. */
struct
{
const DWRITE_TYPOGRAPHIC_FEATURES **features;

114
dlls/dwrite/opentype.c
View File

@ -3200,9 +3200,10 @@ static int coverage_compare_format2(const void *g, const void *r)
return 0;
}
static unsigned int opentype_layout_is_glyph_covered(const struct dwrite_fonttable *table, DWORD coverage,
static unsigned int opentype_layout_is_glyph_covered(const struct scriptshaping_context *context, unsigned int coverage,
UINT16 glyph)
{
const struct dwrite_fonttable *table = &context->table->table;
WORD format = table_read_be_word(table, coverage), count;
count = table_read_be_word(table, coverage + 2);
@ -3505,7 +3506,7 @@ static BOOL opentype_layout_apply_gpos_single_adjustment(struct scriptshaping_co
const struct ot_gpos_singlepos_format1 *format1 = table_read_ensure(&cache->gpos.table, subtable_offset,
FIELD_OFFSET(struct ot_gpos_singlepos_format1, value[value_len]));
coverage_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset + coverage,
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage,
context->u.pos.glyphs[iter->pos]);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -3520,7 +3521,7 @@ static BOOL opentype_layout_apply_gpos_single_adjustment(struct scriptshaping_co
const struct ot_gpos_singlepos_format2 *format2 = table_read_ensure(&cache->gpos.table, subtable_offset,
FIELD_OFFSET(struct ot_gpos_singlepos_format2, values) + value_count * value_len * sizeof(WORD));
coverage_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset + coverage,
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage,
context->u.pos.glyphs[iter->pos]);
if (coverage_index == GLYPH_NOT_COVERED || coverage_index >= value_count)
continue;
@ -3579,8 +3580,8 @@ static BOOL opentype_layout_apply_gpos_pair_adjustment(struct scriptshaping_cont
if (!coverage)
continue;
coverage_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
coverage, context->u.pos.glyphs[first_glyph]);
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage,
context->u.pos.glyphs[first_glyph]);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -3777,8 +3778,8 @@ static BOOL opentype_layout_apply_gpos_cursive_attachment(struct scriptshaping_c
entry_count = table_read_be_word(&cache->gpos.table, subtable_offset +
FIELD_OFFSET(struct ot_gpos_cursive_format1, count));
glyph_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
coverage_offset, context->u.pos.glyphs[iter->pos]);
glyph_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage_offset,
context->u.pos.glyphs[iter->pos]);
if (glyph_index == GLYPH_NOT_COVERED || glyph_index >= entry_count)
continue;
@ -3791,8 +3792,8 @@ static BOOL opentype_layout_apply_gpos_cursive_attachment(struct scriptshaping_c
if (!glyph_iterator_prev(&prev_iter))
continue;
glyph_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
coverage_offset, context->u.pos.glyphs[prev_iter.pos]);
glyph_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage_offset,
context->u.pos.glyphs[prev_iter.pos]);
if (glyph_index == GLYPH_NOT_COVERED || glyph_index >= entry_count)
continue;
@ -3882,8 +3883,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_base_attachment(struct scriptshap
mark_class_count = GET_BE_WORD(format1->mark_class_count);
mark_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->mark_coverage), context->u.pos.glyphs[iter->pos]);
mark_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->mark_coverage),
context->u.pos.glyphs[iter->pos]);
if (mark_index == GLYPH_NOT_COVERED || mark_index >= GET_BE_WORD(mark_array->count))
continue;
@ -3893,8 +3894,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_base_attachment(struct scriptshap
if (!glyph_iterator_prev(&base_iter))
continue;
base_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->base_coverage), context->u.pos.glyphs[base_iter.pos]);
base_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->base_coverage),
context->u.pos.glyphs[base_iter.pos]);
if (base_index == GLYPH_NOT_COVERED || base_index >= GET_BE_WORD(base_array->count))
continue;
@ -3940,8 +3941,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_lig_attachment(struct scriptshapi
if (!format1)
continue;
mark_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->mark_coverage), context->u.pos.glyphs[iter->pos]);
mark_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->mark_coverage),
context->u.pos.glyphs[iter->pos]);
if (mark_index == GLYPH_NOT_COVERED)
continue;
@ -3949,8 +3950,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_lig_attachment(struct scriptshapi
if (!glyph_iterator_prev(&lig_iter))
continue;
lig_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->lig_coverage), context->u.pos.glyphs[lig_iter.pos]);
lig_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->lig_coverage),
context->u.pos.glyphs[lig_iter.pos]);
if (lig_index == GLYPH_NOT_COVERED)
continue;
@ -3990,8 +3991,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_mark_attachment(struct scriptshap
if (!format1)
continue;
mark1_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->mark1_coverage), context->u.pos.glyphs[iter->pos]);
mark1_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->mark1_coverage),
context->u.pos.glyphs[iter->pos]);
mark1_array_offset = subtable_offset + GET_BE_WORD(format1->mark1_array);
if (!(count = table_read_be_word(&cache->gpos.table, mark1_array_offset)))
@ -4023,8 +4024,8 @@ static BOOL opentype_layout_apply_gpos_mark_to_mark_attachment(struct scriptshap
if (!mark2_array)
continue;
mark2_index = opentype_layout_is_glyph_covered(&cache->gpos.table, subtable_offset +
GET_BE_WORD(format1->mark2_coverage), context->u.pos.glyphs[mark_iter.pos]);
mark2_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(format1->mark2_coverage),
context->u.pos.glyphs[mark_iter.pos]);
if (mark2_index == GLYPH_NOT_COVERED || mark2_index >= count)
continue;
@ -4181,7 +4182,7 @@ static int lookups_sorting_compare(const void *a, const void *b)
return left->index < right->index ? -1 : left->index > right->index ? 1 : 0;
};
static BOOL opentype_layout_init_lookup(struct ot_gsubgpos_table *table, unsigned short lookup_index, unsigned int mask,
static BOOL opentype_layout_init_lookup(const struct ot_gsubgpos_table *table, unsigned short lookup_index, unsigned int mask,
struct lookup *lookup)
{
unsigned short subtable_count, lookup_type, flags;
@ -4216,7 +4217,7 @@ static BOOL opentype_layout_init_lookup(struct ot_gsubgpos_table *table, unsigne
}
static void opentype_layout_add_lookups(const struct ot_feature_list *feature_list, UINT16 total_lookup_count,
struct ot_gsubgpos_table *table, struct shaping_feature *feature, struct lookups *lookups)
const struct ot_gsubgpos_table *table, struct shaping_feature *feature, struct lookups *lookups)
{
UINT16 feature_offset, lookup_count;
unsigned int i;
@ -4256,7 +4257,7 @@ static void opentype_layout_add_lookups(const struct ot_feature_list *feature_li
}
static void opentype_layout_collect_lookups(struct scriptshaping_context *context, unsigned int script_index,
unsigned int language_index, const struct shaping_features *features, struct ot_gsubgpos_table *table,
unsigned int language_index, const struct shaping_features *features, const struct ot_gsubgpos_table *table,
struct lookups *lookups)
{
UINT16 table_offset, langsys_offset, script_feature_count, total_feature_count, total_lookup_count;
@ -4464,7 +4465,7 @@ void opentype_layout_apply_gpos_features(struct scriptshaping_context *context,
static BOOL opentype_layout_apply_gsub_single_substitution(struct scriptshaping_context *context, const struct lookup *lookup)
{
struct scriptshaping_cache *cache = context->cache;
const struct dwrite_fonttable *gsub = &cache->gsub.table;
const struct dwrite_fonttable *gsub = &context->table->table;
UINT16 format, coverage, orig_glyph, glyph;
unsigned int i, idx;
BOOL ret;
@ -4477,16 +4478,15 @@ static BOOL opentype_layout_apply_gsub_single_substitution(struct scriptshaping_
unsigned int subtable_offset = opentype_layout_get_gsub_subtable(cache, lookup->offset, i);
unsigned int coverage_index;
format = table_read_be_word(&cache->gsub.table, subtable_offset);
format = table_read_be_word(gsub, subtable_offset);
coverage = table_read_be_word(&cache->gsub.table, subtable_offset +
FIELD_OFFSET(struct ot_gsub_singlesubst_format1, coverage));
coverage = table_read_be_word(gsub, subtable_offset + FIELD_OFFSET(struct ot_gsub_singlesubst_format1, coverage));
if (format == 1)
{
const struct ot_gsub_singlesubst_format1 *format1 = table_read_ensure(gsub, subtable_offset, sizeof(*format1));
coverage_index = opentype_layout_is_glyph_covered(gsub, subtable_offset + coverage, glyph);
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage, glyph);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -4499,7 +4499,7 @@ static BOOL opentype_layout_apply_gsub_single_substitution(struct scriptshaping_
const struct ot_gsub_singlesubst_format2 *format2 = table_read_ensure(gsub, subtable_offset,
FIELD_OFFSET(struct ot_gsub_singlesubst_format2, count) + count * sizeof(UINT16));
coverage_index = opentype_layout_is_glyph_covered(gsub, subtable_offset + coverage, glyph);
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage, glyph);
if (coverage_index == GLYPH_NOT_COVERED || coverage_index >= count)
continue;
@ -4525,7 +4525,6 @@ static BOOL opentype_layout_apply_gsub_single_substitution(struct scriptshaping_
static BOOL opentype_layout_context_match_input(struct scriptshaping_context *context, unsigned int subtable_offset,
unsigned int count, const UINT16 *input, unsigned int *end_offset, unsigned int *match_positions)
{
struct scriptshaping_cache *cache = context->cache;
struct glyph_iterator iter;
unsigned int i;
UINT16 glyph;
@ -4544,11 +4543,8 @@ static BOOL opentype_layout_context_match_input(struct scriptshaping_context *co
/* TODO: this only covers Format3 substitution */
glyph = context->u.subst.glyphs[iter.pos];
if (opentype_layout_is_glyph_covered(&cache->gsub.table, subtable_offset + GET_BE_WORD(input[i]),
glyph) == GLYPH_NOT_COVERED)
{
if (opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(input[i]), glyph) == GLYPH_NOT_COVERED)
return FALSE;
}
match_positions[i] = iter.pos;
}
@ -4573,11 +4569,8 @@ static BOOL opentype_layout_context_match_backtrack(struct scriptshaping_context
return FALSE;
glyph = context->u.subst.glyphs[iter.pos];
if (opentype_layout_is_glyph_covered(&context->cache->gsub.table, subtable_offset + GET_BE_WORD(backtrack[i]),
glyph) == GLYPH_NOT_COVERED)
{
if (opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(backtrack[i]), glyph) == GLYPH_NOT_COVERED)
return FALSE;
}
}
*match_start = iter.pos;
@ -4588,7 +4581,6 @@ static BOOL opentype_layout_context_match_backtrack(struct scriptshaping_context
static BOOL opentype_layout_context_match_lookahead(struct scriptshaping_context *context, unsigned int subtable_offset,
unsigned int count, const UINT16 *lookahead, unsigned int offset, unsigned int *end_index)
{
struct scriptshaping_cache *cache = context->cache;
struct glyph_iterator iter;
unsigned int i;
UINT16 glyph;
@ -4601,11 +4593,8 @@ static BOOL opentype_layout_context_match_lookahead(struct scriptshaping_context
return FALSE;
glyph = context->u.subst.glyphs[iter.pos];
if (opentype_layout_is_glyph_covered(&cache->gsub.table, subtable_offset + GET_BE_WORD(lookahead[i]),
glyph) == GLYPH_NOT_COVERED)
{
if (opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(lookahead[i]), glyph) == GLYPH_NOT_COVERED)
return FALSE;
}
}
*end_index = iter.pos;
@ -4637,7 +4626,7 @@ static BOOL opentype_layout_context_gsub_apply_lookup(struct scriptshaping_conte
orig_len = context->glyph_count;
lookup_index = GET_BE_WORD(lookup_records[i+1]);
if (opentype_layout_init_lookup(&context->cache->gsub, lookup_index, 0, &lookup))
if (opentype_layout_init_lookup(context->table, lookup_index, 0, &lookup))
opentype_layout_apply_gsub_lookup(context, &lookup);
delta = context->glyph_count - orig_len;
@ -4698,6 +4687,7 @@ static BOOL opentype_layout_apply_gsub_chain_context_substitution(struct scripts
const struct lookup *lookup)
{
struct scriptshaping_cache *cache = context->cache;
const struct dwrite_fonttable *table = &context->table->table;
UINT16 format, coverage;
BOOL ret = FALSE;
unsigned int i;
@ -4708,14 +4698,14 @@ static BOOL opentype_layout_apply_gsub_chain_context_substitution(struct scripts
UINT16 glyph = context->u.subst.glyphs[context->cur];
unsigned int coverage_index = GLYPH_NOT_COVERED;
format = table_read_be_word(&cache->gsub.table, subtable_offset);
format = table_read_be_word(&context->table->table, subtable_offset);
if (format == 1)
{
coverage = table_read_be_word(&cache->gsub.table, subtable_offset +
coverage = table_read_be_word(table, subtable_offset +
FIELD_OFFSET(struct ot_gsub_chaincontext_subst_format1, coverage));
coverage_index = opentype_layout_is_glyph_covered(&cache->gsub.table, subtable_offset + coverage, glyph);
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage, glyph);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -4724,10 +4714,9 @@ static BOOL opentype_layout_apply_gsub_chain_context_substitution(struct scripts
}
else if (format == 2)
{
coverage = table_read_be_word(&cache->gsub.table, subtable_offset +
FIELD_OFFSET(struct ot_gsub_chaincontext_subst_format1, coverage));
coverage = table_read_be_word(table, subtable_offset + FIELD_OFFSET(struct ot_gsub_chaincontext_subst_format1, coverage));
coverage_index = opentype_layout_is_glyph_covered(&cache->gsub.table, subtable_offset + coverage, glyph);
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + coverage, glyph);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -4741,30 +4730,27 @@ static BOOL opentype_layout_apply_gsub_chain_context_substitution(struct scripts
unsigned int offset = subtable_offset + 2 /* format */;
backtrack_count = table_read_be_word(&cache->gsub.table, offset);
backtrack_count = table_read_be_word(table, offset);
offset += 2;
backtrack = table_read_ensure(&cache->gsub.table, offset, backtrack_count * sizeof(*backtrack));
backtrack = table_read_ensure(table, offset, backtrack_count * sizeof(*backtrack));
offset += backtrack_count * sizeof(*backtrack);
input_count = table_read_be_word(&cache->gsub.table, offset);
input_count = table_read_be_word(table, offset);
offset += 2;
input = table_read_ensure(&cache->gsub.table, offset, input_count * sizeof(*input));
input = table_read_ensure(table, offset, input_count * sizeof(*input));
offset += input_count * sizeof(*input);
lookahead_count = table_read_be_word(&cache->gsub.table, offset);
lookahead_count = table_read_be_word(table, offset);
offset += 2;
lookahead = table_read_ensure(&cache->gsub.table, offset, lookahead_count * sizeof(*lookahead));
lookahead = table_read_ensure(table, offset, lookahead_count * sizeof(*lookahead));
offset += lookahead_count * sizeof(*lookahead);
lookup_count = table_read_be_word(&cache->gsub.table, offset);
lookup_count = table_read_be_word(table, offset);
offset += 2;
lookup_records = table_read_ensure(&cache->gsub.table, offset, lookup_count * 2 * sizeof(*lookup_records));
lookup_records = table_read_ensure(table, offset, lookup_count * 2 * sizeof(*lookup_records));
if (input)
{
coverage_index = opentype_layout_is_glyph_covered(&cache->gsub.table, subtable_offset + GET_BE_WORD(input[0]),
glyph);
}
coverage_index = opentype_layout_is_glyph_covered(context, subtable_offset + GET_BE_WORD(input[0]), glyph);
if (coverage_index == GLYPH_NOT_COVERED)
continue;
@ -4877,7 +4863,7 @@ void opentype_layout_apply_gsub_features(struct scriptshaping_context *context,
unsigned int i;
BOOL ret;
opentype_layout_collect_lookups(context, script_index, language_index, features, &context->cache->gsub, &lookups);
opentype_layout_collect_lookups(context, script_index, language_index, features, context->table, &lookups);
opentype_get_nominal_glyphs(context, features);
opentype_layout_set_glyph_masks(context, features);