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Cleanup Value casts

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This commit is contained in:
Behdad Esfahbod 2010-05-06 13:06:15 -04:00
parent 41a93d2c1f
commit c2ddfd2d26
1 changed files with 21 additions and 13 deletions
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34
src/hb-ot-layout-gpos-private.hh
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@ -38,7 +38,7 @@
/* Shared Tables: ValueRecord, Anchor Table, and MarkArray */ /* Shared Tables: ValueRecord, Anchor Table, and MarkArray */
typedef SHORT Value; typedef USHORT Value;
typedef Value ValueRecord[VAR0]; typedef Value ValueRecord[VAR0];
ASSERT_SIZE_VAR (ValueRecord, 0, Value); ASSERT_SIZE_VAR (ValueRecord, 0, Value);
@ -106,10 +106,10 @@ struct ValueFormat : USHORT
x_scale = layout->font->x_scale; x_scale = layout->font->x_scale;
y_scale = layout->font->y_scale; y_scale = layout->font->y_scale;
/* design units -> fractional pixel */ /* design units -> fractional pixel */
if (format & xPlacement) glyph_pos->x_offset += _hb_16dot16_mul_round (x_scale, *CastP<SHORT> (values++)); if (format & xPlacement) glyph_pos->x_offset += _hb_16dot16_mul_round (x_scale, get_short (values++));
if (format & yPlacement) glyph_pos->y_offset += _hb_16dot16_mul_round (y_scale, *CastP<SHORT> (values++)); if (format & yPlacement) glyph_pos->y_offset += _hb_16dot16_mul_round (y_scale, get_short (values++));
if (format & xAdvance) glyph_pos->x_advance += _hb_16dot16_mul_round (x_scale, *CastP<SHORT> (values++)); if (format & xAdvance) glyph_pos->x_advance += _hb_16dot16_mul_round (x_scale, get_short (values++));
if (format & yAdvance) glyph_pos->y_advance += _hb_16dot16_mul_round (y_scale, *CastP<SHORT> (values++)); if (format & yAdvance) glyph_pos->y_advance += _hb_16dot16_mul_round (y_scale, get_short (values++));
if (!has_device ()) return; if (!has_device ()) return;
@ -120,16 +120,16 @@ struct ValueFormat : USHORT
/* pixel -> fractional pixel */ /* pixel -> fractional pixel */
if (format & xPlaDevice) { if (format & xPlaDevice) {
if (x_ppem) glyph_pos->x_offset += (base+*CastP<OffsetTo<Device> >(values++)).get_delta (x_ppem) << 16; else values++; if (x_ppem) glyph_pos->x_offset += (base + get_device (values++)).get_delta (x_ppem) << 16; else values++;
} }
if (format & yPlaDevice) { if (format & yPlaDevice) {
if (y_ppem) glyph_pos->y_offset += (base+*CastP<OffsetTo<Device> >(values++)).get_delta (y_ppem) << 16; else values++; if (y_ppem) glyph_pos->y_offset += (base + get_device (values++)).get_delta (y_ppem) << 16; else values++;
} }
if (format & xAdvDevice) { if (format & xAdvDevice) {
if (x_ppem) glyph_pos->x_advance += (base+*CastP<OffsetTo<Device> >(values++)).get_delta (x_ppem) << 16; else values++; if (x_ppem) glyph_pos->x_advance += (base + get_device (values++)).get_delta (x_ppem) << 16; else values++;
} }
if (format & yAdvDevice) { if (format & yAdvDevice) {
if (y_ppem) glyph_pos->y_advance += (base+*CastP<OffsetTo<Device> >(values++)).get_delta (y_ppem) << 16; else values++; if (y_ppem) glyph_pos->y_advance += (base + get_device (values++)).get_delta (y_ppem) << 16; else values++;
} }
} }
@ -142,14 +142,22 @@ struct ValueFormat : USHORT
if (format & xAdvance) values++; if (format & xAdvance) values++;
if (format & yAdvance) values++; if (format & yAdvance) values++;
if ((format & xPlaDevice) && !CastP<OffsetTo<Device> > (values++)->sanitize (context, base)) return false; if ((format & xPlaDevice) && !get_device (values++).sanitize (context, base)) return false;
if ((format & yPlaDevice) && !CastP<OffsetTo<Device> > (values++)->sanitize (context, base)) return false; if ((format & yPlaDevice) && !get_device (values++).sanitize (context, base)) return false;
if ((format & xAdvDevice) && !CastP<OffsetTo<Device> > (values++)->sanitize (context, base)) return false; if ((format & xAdvDevice) && !get_device (values++).sanitize (context, base)) return false;
if ((format & yAdvDevice) && !CastP<OffsetTo<Device> > (values++)->sanitize (context, base)) return false; if ((format & yAdvDevice) && !get_device (values++).sanitize (context, base)) return false;
return true; return true;
} }
static inline OffsetTo<Device>& get_device (Value* value)
{ return *CastP<OffsetTo<Device> > (value); }
static inline const OffsetTo<Device>& get_device (const Value* value)
{ return *CastP<OffsetTo<Device> > (value); }
static inline const SHORT& get_short (const Value* value)
{ return *CastP<SHORT> (value); }
public: public:
inline bool has_device () const { inline bool has_device () const {