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usp10: Implement GPOS Single Adjustment Positioning.

This commit is contained in:
Aric Stewart 2012-07-16 07:24:13 -05:00 committed by Alexandre Julliard
parent 1dc148d7cc
commit e3a98b437b
1 changed files with 55 additions and 0 deletions
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55
dlls/usp10/opentype.c
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@ -325,6 +325,13 @@ typedef struct {
WORD YAdvDevice;
} GPOS_ValueRecord;
typedef struct {
WORD PosFormat;
WORD Coverage;
WORD ValueFormat;
WORD Value[1];
} GPOS_SinglePosFormat1;
typedef struct {
WORD PosFormat;
WORD MarkCoverage;
@ -1048,6 +1055,34 @@ static VOID GPOS_get_value_record_offsets(const BYTE* head, GPOS_ValueRecord *Va
if (ValueFormat & 0xFF00) FIXME("Unhandled Value Format %x\n",ValueFormat&0xFF00);
}
static VOID GPOS_apply_SingleAdjustment(const OT_LookupTable *look, const WORD *glyphs, INT glyph_index, INT write_dir, INT glyph_count, INT ppem, LPPOINT ptAdjust, LPPOINT ptAdvance)
{
int j;
TRACE("Single Adjustment Positioning Subtable\n");
for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
{
const GPOS_SinglePosFormat1 *spf1;
WORD offset = GET_BE_WORD(look->SubTable[j]);
spf1 = (const GPOS_SinglePosFormat1*)((const BYTE*)look+offset);
if (GET_BE_WORD(spf1->PosFormat == 1))
{
offset = GET_BE_WORD(spf1->Coverage);
if (GSUB_is_glyph_covered((const BYTE*)spf1+offset, glyphs[glyph_index]) != -1)
{
GPOS_ValueRecord ValueRecord = {0,0,0,0,0,0,0,0};
WORD ValueFormat = GET_BE_WORD(spf1->ValueFormat);
GPOS_get_value_record(ValueFormat, spf1->Value, &ValueRecord);
GPOS_get_value_record_offsets((const BYTE*)spf1, &ValueRecord, ValueFormat, ppem, ptAdjust, ptAdvance);
TRACE("Glyph Adjusted by %i,%i\n",ValueRecord.XPlacement,ValueRecord.YPlacement);
}
}
else
FIXME("Single Adjustment Positioning: Format 2 Unhandled\n");
}
}
static VOID GPOS_apply_MarkToBase(const OT_LookupTable *look, const WORD *glyphs, INT glyph_index, INT write_dir, INT glyph_count, INT ppem, LPPOINT pt)
{
int j;
@ -1124,6 +1159,26 @@ static INT GPOS_apply_lookup(LPOUTLINETEXTMETRICW lpotm, LPLOGFONTW lplogfont, I
TRACE("type %i, flag %x, subtables %i\n",GET_BE_WORD(look->LookupType),GET_BE_WORD(look->LookupFlag),GET_BE_WORD(look->SubTableCount));
switch(GET_BE_WORD(look->LookupType))
{
case 1:
{
double devX, devY;
POINT adjust = {0,0};
POINT advance = {0,0};
GPOS_apply_SingleAdjustment(look, glyphs, glyph_index, write_dir, glyph_count, ppem, &adjust, &advance);
if (adjust.x || adjust.y)
{
GPOS_convert_design_units_to_device(lpotm, lplogfont, adjust.x, adjust.y, &devX, &devY);
pGoffset[glyph_index].du += (int)(devX+0.5);
pGoffset[glyph_index].dv += (int)(devY+0.5);
}
if (advance.x || advance.y)
{
GPOS_convert_design_units_to_device(lpotm, lplogfont, advance.x, advance.y, &devX, &devY);
piAdvance[glyph_index] += (int)(devX+0.5);
if (advance.y)
FIXME("Unhandled adjustment to Y advancement\n");
}
}
case 4:
{
double devX, devY;