dwrite: Set glyph class for all initial glyphs.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-05-25 14:54:28 +03:00 committed by Alexandre Julliard
parent 4490f8a274
commit a99e466547
2 changed files with 39 additions and 0 deletions

View File

@ -465,6 +465,7 @@ struct scriptshaping_cache
struct shaping_glyph_info
{
unsigned int mask;
unsigned int props;
};
struct scriptshaping_context

View File

@ -494,6 +494,13 @@ enum gsub_gpos_lookup_flags
LOOKUP_FLAG_IGNORE_MASK = 0xe,
};
enum glyph_prop_flags
{
GLYPH_PROP_BASE = LOOKUP_FLAG_IGNORE_BASE,
GLYPH_PROP_LIGATURE = LOOKUP_FLAG_IGNORE_LIGATURES,
GLYPH_PROP_MARK = LOOKUP_FLAG_IGNORE_MARKS,
};
enum gpos_lookup_type
{
GPOS_LOOKUP_SINGLE_ADJUSTMENT = 1,
@ -4684,6 +4691,36 @@ static unsigned int unicode_get_mirrored_char(unsigned int codepoint)
return mirror ? mirror : codepoint;
}
static void opentype_subst_set_glyph_props(struct scriptshaping_context *context, unsigned int g)
{
struct scriptshaping_cache *cache = context->cache;
unsigned int glyph_class = 0, props;
if (cache->gdef.classdef)
{
glyph_class = opentype_layout_get_glyph_class(&cache->gdef.table, cache->gdef.classdef, context->u.subst.glyphs[g]);
}
switch (glyph_class)
{
case GDEF_CLASS_BASE:
props = GLYPH_PROP_BASE;
break;
case GDEF_CLASS_LIGATURE:
props = GLYPH_PROP_LIGATURE;
break;
case GDEF_CLASS_MARK:
props = GLYPH_PROP_MARK;
context->u.subst.glyph_props[g].isDiacritic = 1;
context->u.subst.glyph_props[g].isZeroWidthSpace = 1;
break;
default:
props = 0;
}
context->glyph_infos[g].props = props;
}
static void opentype_get_nominal_glyphs(struct scriptshaping_context *context, const struct shaping_features *features)
{
unsigned int rtlm_mask = shaping_features_get_mask(features, DWRITE_MAKE_OPENTYPE_TAG('r','t','l','m'), NULL);
@ -4724,6 +4761,7 @@ static void opentype_get_nominal_glyphs(struct scriptshaping_context *context, c
context->u.subst.glyphs[g] = font->get_glyph(context->cache->context, codepoint);
context->u.subst.glyph_props[g].justification = SCRIPT_JUSTIFY_CHARACTER;
context->u.subst.glyph_props[g].isClusterStart = 1;
opentype_subst_set_glyph_props(context, g);
context->glyph_count++;
clustermap[i] = i;