1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* %W% %E%
*
* (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
*
*/
#ifndef __LOOKUPPROCESSOR_H
#define __LOOKUPPROCESSOR_H
/**
* \file
* \internal
*/
#include "LETypes.h"
#include "LEFontInstance.h"
#include "OpenTypeTables.h"
//#include "Lookups.h"
//#include "Features.h"
U_NAMESPACE_BEGIN
class LEFontInstance;
class LEGlyphStorage;
class GlyphIterator;
class GlyphPositionAdjustments;
struct FeatureTable;
struct FeatureListTable;
struct GlyphDefinitionTableHeader;
struct LookupSubtable;
struct LookupTable;
class LookupProcessor : public UMemory {
public:
le_int32 process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
le_bool rightToLeft, const GlyphDefinitionTableHeader *glyphDefinitionTableHeader, const LEFontInstance *fontInstance) const;
le_uint32 applyLookupTable(const LookupTable *lookupTable, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
le_uint32 applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
virtual le_uint32 applySubtable(const LookupSubtable *lookupSubtable, le_uint16 subtableType,
GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const = 0;
virtual ~LookupProcessor();
protected:
LookupProcessor(const char *baseAddress,
Offset scriptListOffset, Offset featureListOffset, Offset lookupListOffset,
LETag scriptTag, LETag languageTag, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool orderFeatures);
LookupProcessor();
le_int32 selectLookups(const FeatureTable *featureTable, FeatureMask featureMask, le_int32 order);
const LookupListTable *lookupListTable;
const FeatureListTable *featureListTable;
FeatureMask *lookupSelectArray;
le_uint16 *lookupOrderArray;
le_uint32 lookupOrderCount;
private:
LookupProcessor(const LookupProcessor &other); // forbid copying of this class
LookupProcessor &operator=(const LookupProcessor &other); // forbid copying of this class
};
U_NAMESPACE_END
#endif
|
