[PATCH 1/6] dwrite: Add separate structure for top level gsub/gpos offsets.
Nikolay Sivov
nsivov at codeweavers.com
Mon May 4 03:29:30 CDT 2020
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/dwrite/dwrite_private.h | 16 +++++++++-------
dlls/dwrite/opentype.c | 27 ++++++++++++++-------------
2 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/dlls/dwrite/dwrite_private.h b/dlls/dwrite/dwrite_private.h
index 5755696875..d89dacb3a4 100644
--- a/dlls/dwrite/dwrite_private.h
+++ b/dlls/dwrite/dwrite_private.h
@@ -434,19 +434,21 @@ enum SCRIPT_JUSTIFY
SCRIPT_JUSTIFY_ARABIC_SEEN_M
};
+struct ot_gsubgpos_table
+{
+ struct dwrite_fonttable table;
+ unsigned int script_list;
+ unsigned int feature_list;
+ unsigned int lookup_list;
+};
+
struct scriptshaping_cache
{
const struct shaping_font_ops *font;
void *context;
UINT16 upem;
- struct
- {
- struct dwrite_fonttable table;
- unsigned int script_list;
- unsigned int feature_list;
- unsigned int lookup_list;
- } gpos;
+ struct ot_gsubgpos_table gpos;
struct
{
diff --git a/dlls/dwrite/opentype.c b/dlls/dwrite/opentype.c
index 0307cd5981..66c3398316 100644
--- a/dlls/dwrite/opentype.c
+++ b/dlls/dwrite/opentype.c
@@ -2962,10 +2962,11 @@ void opentype_layout_scriptshaping_cache_init(struct scriptshaping_cache *cache)
cache->gdef.classdef = table_read_be_word(&cache->gdef.table, FIELD_OFFSET(struct gdef_header, classdef));
}
-DWORD opentype_layout_find_script(const struct scriptshaping_cache *cache, DWORD kind, DWORD script,
+unsigned int opentype_layout_find_script(const struct scriptshaping_cache *cache, unsigned int kind, DWORD script,
unsigned int *script_index)
{
- WORD script_count;
+ const struct ot_gsubgpos_table *table = &cache->gpos;
+ UINT16 script_count;
unsigned int i;
*script_index = ~0u;
@@ -2973,14 +2974,14 @@ DWORD opentype_layout_find_script(const struct scriptshaping_cache *cache, DWORD
if (kind != MS_GPOS_TAG)
return 0;
- script_count = table_read_be_word(&cache->gpos.table, cache->gpos.script_list);
+ script_count = table_read_be_word(&table->table, table->script_list);
if (!script_count)
return 0;
for (i = 0; i < script_count; i++)
{
- DWORD tag = table_read_dword(&cache->gpos.table, cache->gpos.script_list +
- FIELD_OFFSET(struct ot_script_list, scripts) + i * sizeof(struct ot_script_record));
+ unsigned int tag = table_read_dword(&table->table, table->script_list + FIELD_OFFSET(struct ot_script_list, scripts) +
+ i * sizeof(struct ot_script_record));
if (!tag)
continue;
@@ -2994,10 +2995,11 @@ DWORD opentype_layout_find_script(const struct scriptshaping_cache *cache, DWORD
return 0;
}
-DWORD opentype_layout_find_language(const struct scriptshaping_cache *cache, DWORD kind, DWORD language,
+unsigned int opentype_layout_find_language(const struct scriptshaping_cache *cache, unsigned int kind, DWORD language,
unsigned int script_index, unsigned int *language_index)
{
- WORD table_offset, lang_count;
+ const struct ot_gsubgpos_table *table = &cache->gpos;
+ UINT16 table_offset, lang_count;
unsigned int i;
*language_index = ~0u;
@@ -3005,17 +3007,16 @@ DWORD opentype_layout_find_language(const struct scriptshaping_cache *cache, DWO
if (kind != MS_GPOS_TAG)
return 0;
- table_offset = table_read_be_word(&cache->gpos.table, cache->gpos.script_list +
- FIELD_OFFSET(struct ot_script_list, scripts) + script_index * sizeof(struct ot_script_record) +
- FIELD_OFFSET(struct ot_script_record, script));
+ table_offset = table_read_be_word(&table->table, table->script_list + FIELD_OFFSET(struct ot_script_list, scripts) +
+ script_index * sizeof(struct ot_script_record) + FIELD_OFFSET(struct ot_script_record, script));
if (!table_offset)
return 0;
- lang_count = table_read_be_word(&cache->gpos.table, cache->gpos.script_list + table_offset +
+ lang_count = table_read_be_word(&table->table, table->script_list + table_offset +
FIELD_OFFSET(struct ot_script, langsys_count));
for (i = 0; i < lang_count; i++)
{
- DWORD tag = table_read_dword(&cache->gpos.table, cache->gpos.script_list + table_offset +
+ unsigned int tag = table_read_dword(&table->table, table->script_list + table_offset +
FIELD_OFFSET(struct ot_script, langsys) + i * sizeof(struct ot_langsys_record));
if (tag == language)
@@ -3026,7 +3027,7 @@ DWORD opentype_layout_find_language(const struct scriptshaping_cache *cache, DWO
}
/* Try 'defaultLangSys' if it's set. */
- if (table_read_be_word(&cache->gpos.table, cache->gpos.script_list + table_offset))
+ if (table_read_be_word(&table->table, table->script_list + table_offset))
return ~0u;
return 0;
--
2.26.2
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