Module: wine Branch: master Commit: 102272a4a9bd1c80d106b048d4033450fb06ccd0 URL: https://source.winehq.org/git/wine.git/?a=commit;h=102272a4a9bd1c80d106b048d...
Author: Nikolay Sivov nsivov@codeweavers.com Date: Mon Jun 8 16:29:46 2020 +0300
dwrite: Unify context lookup helpers.
Signed-off-by: Nikolay Sivov nsivov@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/dwrite/dwrite_private.h | 7 +++++++ dlls/dwrite/opentype.c | 45 +++++++++++++++++++++++++++++--------------- 2 files changed, 37 insertions(+), 15 deletions(-)
diff --git a/dlls/dwrite/dwrite_private.h b/dlls/dwrite/dwrite_private.h index 966750c12b..3d7884cb57 100644 --- a/dlls/dwrite/dwrite_private.h +++ b/dlls/dwrite/dwrite_private.h @@ -489,6 +489,10 @@ struct shaping_glyph_properties UINT16 reserved2 : 4; };
+struct scriptshaping_context; + +typedef void (*p_apply_context_lookup)(struct scriptshaping_context *context, unsigned int lookup_index); + struct scriptshaping_context { struct scriptshaping_cache *cache; @@ -506,12 +510,14 @@ struct scriptshaping_context const UINT16 *glyphs; const DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props; const UINT16 *clustermap; + p_apply_context_lookup apply_context_lookup; } pos; struct { UINT16 *glyphs; DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props; UINT16 *clustermap; + p_apply_context_lookup apply_context_lookup; unsigned int max_glyph_count; unsigned int capacity; const WCHAR *digits; @@ -521,6 +527,7 @@ struct scriptshaping_context UINT16 *glyphs; struct shaping_glyph_properties *glyph_props; UINT16 *clustermap; + p_apply_context_lookup apply_context_lookup; } buffer; } u;
diff --git a/dlls/dwrite/opentype.c b/dlls/dwrite/opentype.c index aacf3661c1..9fe5652ba5 100644 --- a/dlls/dwrite/opentype.c +++ b/dlls/dwrite/opentype.c @@ -4608,6 +4608,14 @@ static void opentype_layout_set_glyph_masks(struct scriptshaping_context *contex } }
+static void opentype_layout_apply_gpos_context_lookup(struct scriptshaping_context *context, unsigned int lookup_index) +{ + struct lookup lookup = { 0 }; + /* Feature mask is intentionally zero, it's not used outside of main loop. */ + if (opentype_layout_init_lookup(context->table, lookup_index, 0, &lookup)) + opentype_layout_apply_gpos_lookup(context, &lookup); +} + void opentype_layout_apply_gpos_features(struct scriptshaping_context *context, unsigned int script_index, unsigned int language_index, const struct shaping_features *features) { @@ -4615,6 +4623,7 @@ void opentype_layout_apply_gpos_features(struct scriptshaping_context *context, unsigned int i; BOOL ret;
+ context->u.buffer.apply_context_lookup = opentype_layout_apply_gpos_context_lookup; opentype_layout_collect_lookups(context, script_index, language_index, features, &context->cache->gpos, &lookups);
for (i = 0; i < context->glyph_count; ++i) @@ -5073,12 +5082,9 @@ static BOOL opentype_layout_context_match_lookahead(const struct match_context * return TRUE; }
-static BOOL opentype_layout_apply_gsub_lookup(struct scriptshaping_context *context, const struct lookup *lookup); - -static BOOL opentype_layout_context_gsub_apply_lookup(struct scriptshaping_context *context, unsigned int count, +static BOOL opentype_layout_context_apply_lookup(struct scriptshaping_context *context, unsigned int count, unsigned int *match_positions, unsigned int lookup_count, const UINT16 *lookup_records, unsigned int match_length) { - struct lookup lookup = { 0 }; unsigned int i, j; int end, delta;
@@ -5097,8 +5103,8 @@ 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->table, lookup_index, 0, &lookup)) - opentype_layout_apply_gsub_lookup(context, &lookup); + + context->u.buffer.apply_context_lookup(context, lookup_index);
delta = context->glyph_count - orig_len; if (!delta) @@ -5141,7 +5147,7 @@ static BOOL opentype_layout_context_gsub_apply_lookup(struct scriptshaping_conte return TRUE; }
-static BOOL opentype_layout_apply_gsub_chain_context_lookup(unsigned int backtrack_count, const UINT16 *backtrack, +static BOOL opentype_layout_apply_chain_context_match(unsigned int backtrack_count, const UINT16 *backtrack, unsigned int input_count, const UINT16 *input, unsigned int lookahead_count, const UINT16 *lookahead, unsigned int lookup_count, const UINT16 *lookup_records, const struct match_context *mc) { @@ -5151,7 +5157,7 @@ static BOOL opentype_layout_apply_gsub_chain_context_lookup(unsigned int backtra return opentype_layout_context_match_input(mc, input_count, input, &match_length, match_positions) && opentype_layout_context_match_backtrack(mc, backtrack_count, backtrack, &start_index) && opentype_layout_context_match_lookahead(mc, lookahead_count, lookahead, input_count, &end_index) && - opentype_layout_context_gsub_apply_lookup(mc->context, input_count, match_positions, lookup_count, lookup_records, match_length); + opentype_layout_context_apply_lookup(mc->context, input_count, match_positions, lookup_count, lookup_records, match_length); }
static BOOL opentype_layout_apply_chain_rule_set(const struct match_context *mc, unsigned int offset) @@ -5191,7 +5197,7 @@ static BOOL opentype_layout_apply_chain_rule_set(const struct match_context *mc, lookup_records = table_read_ensure(table, rule_offset, lookup_count * 2 * sizeof(*lookup_records));
/* First applicable rule is used. */ - if (opentype_layout_apply_gsub_chain_context_lookup(backtrack_count, backtrack, input_count, input, lookahead_count, + if (opentype_layout_apply_chain_context_match(backtrack_count, backtrack, input_count, input, lookahead_count, lookahead, lookup_count, lookup_records, mc)) { return TRUE; @@ -5201,14 +5207,14 @@ static BOOL opentype_layout_apply_chain_rule_set(const struct match_context *mc, return FALSE; }
-static BOOL opentype_layout_apply_gsub_context_lookup(unsigned int input_count, const UINT16 *input, unsigned int lookup_count, +static BOOL opentype_layout_apply_context_match(unsigned int input_count, const UINT16 *input, unsigned int lookup_count, const UINT16 *lookup_records, const struct match_context *mc) { unsigned int match_positions[GLYPH_CONTEXT_MAX_LENGTH]; unsigned int match_length = 0;
return opentype_layout_context_match_input(mc, input_count, input, &match_length, match_positions) && - opentype_layout_context_gsub_apply_lookup(mc->context, input_count, match_positions, lookup_count, + opentype_layout_context_apply_lookup(mc->context, input_count, match_positions, lookup_count, lookup_records, match_length); }
@@ -5243,7 +5249,7 @@ static BOOL opentype_layout_apply_rule_set(const struct match_context *mc, unsig continue;
/* First applicable rule is used. */ - if (opentype_layout_apply_gsub_context_lookup(input_count, input, lookup_count, lookup_records, mc)) + if (opentype_layout_apply_context_match(input_count, input, lookup_count, lookup_records, mc)) return TRUE; }
@@ -5344,7 +5350,7 @@ static BOOL opentype_layout_apply_gsub_context_substitution(struct scriptshaping mc.input_offset = subtable_offset; mc.match_func = opentype_match_coverage_func;
- ret = opentype_layout_apply_gsub_context_lookup(input_count, input + 1, lookup_count, lookup_records, &mc); + ret = opentype_layout_apply_context_match(input_count, input + 1, lookup_count, lookup_records, &mc); } else WARN("Unknown contextual substitution format %u.\n", format); @@ -5461,8 +5467,8 @@ static BOOL opentype_layout_apply_gsub_chain_context_substitution(struct scripts mc.lookahead_offset = subtable_offset; mc.match_func = opentype_match_coverage_func;
- ret = opentype_layout_apply_gsub_chain_context_lookup(backtrack_count, backtrack, input_count, input + 1, - lookahead_count, lookahead, lookup_count, lookup_records, &mc); + ret = opentype_layout_apply_chain_context_match(backtrack_count, backtrack, input_count, input + 1, lookahead_count, + lookahead, lookup_count, lookup_records, &mc); } else WARN("Unknown chaining contextual substitution format %u.\n", format); @@ -5679,6 +5685,14 @@ static BOOL opentype_is_gsub_lookup_reversed(const struct scriptshaping_context return lookup_type == GSUB_LOOKUP_REVERSE_CHAINING_CONTEXTUAL_SUBST; }
+static void opentype_layout_apply_gsub_context_lookup(struct scriptshaping_context *context, unsigned int lookup_index) +{ + struct lookup lookup = { 0 }; + /* Feature mask is intentionally zero, it's not used outside of main loop. */ + if (opentype_layout_init_lookup(context->table, lookup_index, 0, &lookup)) + opentype_layout_apply_gsub_lookup(context, &lookup); +} + void opentype_layout_apply_gsub_features(struct scriptshaping_context *context, unsigned int script_index, unsigned int language_index, const struct shaping_features *features) { @@ -5686,6 +5700,7 @@ void opentype_layout_apply_gsub_features(struct scriptshaping_context *context, unsigned int i; BOOL ret;
+ context->u.buffer.apply_context_lookup = opentype_layout_apply_gsub_context_lookup; opentype_layout_collect_lookups(context, script_index, language_index, features, context->table, &lookups);
opentype_get_nominal_glyphs(context, features);