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[GPOS] Remove apply_value() return value

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This commit is contained in:
Behdad Esfahbod 2009-05-21 04:49:04 -04:00
parent fb3b5ccfef
commit fca6a0d158
1 changed files with 35 additions and 42 deletions
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77
src/hb-ot-layout-gpos-private.h
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@ -35,6 +35,41 @@
typedef SHORT Value; typedef SHORT Value;
typedef Value ValueRecord[]; typedef Value ValueRecord[];
struct ValueFormat : USHORT
{
enum
{
xPlacement = 0x0001, /* Includes horizontal adjustment for placement */
yPlacement = 0x0002, /* Includes vertical adjustment for placement */
xAdvance = 0x0004, /* Includes horizontal adjustment for advance */
yAdvance = 0x0008, /* Includes vertical adjustment for advance */
xPlaDevice = 0x0010, /* Includes horizontal Device table for placement */
yPlaDevice = 0x0020, /* Includes vertical Device table for placement */
xAdvDevice = 0x0040, /* Includes horizontal Device table for advance */
yAdvDevice = 0x0080, /* Includes vertical Device table for advance */
reserved = 0xF000, /* For future use */
};
inline unsigned int get_len () const
{
return _hb_popcount32 ((unsigned int) *this);
}
const void apply_value (hb_ot_layout_t *layout,
const char *base,
const Value *values,
HB_Position glyph_pos) const
{
unsigned int x_ppem, y_ppem;
hb_16dot16_t x_scale, y_scale;
unsigned int pixel_value;
unsigned int format = *this;
if (!format)
return;
/* All fields are options. Only those available advance the value
* pointer. */
#if 0 #if 0
struct ValueRecord { struct ValueRecord {
SHORT xPlacement; /* Horizontal adjustment for SHORT xPlacement; /* Horizontal adjustment for
@ -62,39 +97,6 @@ struct ValueRecord {
}; };
#endif #endif
struct ValueFormat : USHORT
{
enum
{
xPlacement = 0x0001, /* Includes horizontal adjustment for placement */
yPlacement = 0x0002, /* Includes vertical adjustment for placement */
xAdvance = 0x0004, /* Includes horizontal adjustment for advance */
yAdvance = 0x0008, /* Includes vertical adjustment for advance */
xPlaDevice = 0x0010, /* Includes horizontal Device table for placement */
yPlaDevice = 0x0020, /* Includes vertical Device table for placement */
xAdvDevice = 0x0040, /* Includes horizontal Device table for advance */
yAdvDevice = 0x0080, /* Includes vertical Device table for advance */
reserved = 0xF000, /* For future use */
};
inline unsigned int get_len () const
{
return _hb_popcount32 ((unsigned int) *this);
}
const Value* apply_value (hb_ot_layout_t *layout,
const char *base,
const Value *values,
HB_Position glyph_pos) const
{
unsigned int x_ppem, y_ppem;
hb_16dot16_t x_scale, y_scale;
unsigned int pixel_value;
unsigned int format = *this;
if (!format)
return values;
x_scale = layout->gpos_info.x_scale; x_scale = layout->gpos_info.x_scale;
y_scale = layout->gpos_info.y_scale; y_scale = layout->gpos_info.y_scale;
/* design units -> fractional pixel */ /* design units -> fractional pixel */
@ -121,15 +123,6 @@ struct ValueFormat : USHORT
if (format & yAdvDevice) if (format & yAdvDevice)
glyph_pos->y_advance += (base+*(OffsetTo<Device>*)values++).get_delta (y_ppem) << 6; glyph_pos->y_advance += (base+*(OffsetTo<Device>*)values++).get_delta (y_ppem) << 6;
} }
else
{
if (format & xPlaDevice) values++;
if (format & yPlaDevice) values++;
if (format & xAdvDevice) values++;
if (format & yAdvDevice) values++;
}
return values;
} }
}; };
ASSERT_SIZE (ValueFormat, 2); ASSERT_SIZE (ValueFormat, 2);