os/textandloc/fontservices/textshaperplugin/IcuSource/layout/ValueRecords.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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 *
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 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
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 *
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 */
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#ifndef __VALUERECORDS_H
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#define __VALUERECORDS_H
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/**
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 * \file
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 * \internal
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 */
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#include "LETypes.h"
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#include "LEFontInstance.h"
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#include "OpenTypeTables.h"
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#include "GlyphIterator.h"
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U_NAMESPACE_BEGIN
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typedef le_uint16 ValueFormat;
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typedef le_int16 ValueRecordField;
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struct ValueRecord
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{
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    le_int16   values[ANY_NUMBER];
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    le_int16   getFieldValue(ValueFormat valueFormat, ValueRecordField field) const;
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    le_int16   getFieldValue(le_int16 index, ValueFormat valueFormat, ValueRecordField field) const;
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    void    adjustPosition(ValueFormat valueFormat, const char *base, GlyphIterator &glyphIterator,
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                const LEFontInstance *fontInstance) const;
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    void    adjustPosition(le_int16 index, ValueFormat valueFormat, const char *base, GlyphIterator &glyphIterator,
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                const LEFontInstance *fontInstance) const;
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    static le_int16    getSize(ValueFormat valueFormat);
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private:
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    static le_int16    getFieldCount(ValueFormat valueFormat);
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    static le_int16    getFieldIndex(ValueFormat valueFormat, ValueRecordField field);
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};
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enum ValueRecordFields
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{
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    vrfXPlacement   = 0,
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    vrfYPlacement   = 1,
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    vrfXAdvance     = 2,
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    vrfYAdvance     = 3,
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    vrfXPlaDevice   = 4,
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    vrfYPlaDevice   = 5,
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    vrfXAdvDevice   = 6,
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    vrfYAdvDevice   = 7
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};
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enum ValueFormatBits
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{
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    vfbXPlacement   = 0x0001,
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    vfbYPlacement   = 0x0002,
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    vfbXAdvance     = 0x0004,
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    vfbYAdvance     = 0x0008,
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    vfbXPlaDevice   = 0x0010,
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    vfbYPlaDevice   = 0x0020,
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    vfbXAdvDevice   = 0x0040,
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    vfbYAdvDevice   = 0x0080,
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    vfbReserved     = 0xFF00,
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    vfbAnyDevice    = vfbXPlaDevice + vfbYPlaDevice + vfbXAdvDevice + vfbYAdvDevice
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};
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U_NAMESPACE_END
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#endif
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