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LEGlyphStorage.h
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1 /*
2 **********************************************************************
3 * Copyright (C) 1998-2014, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 **********************************************************************
6 */
7
8 #ifndef __LEGLYPHSTORAGE_H
9 #define __LEGLYPHSTORAGE_H
10
11 #include "LETypes.h"
12 #include "LEInsertionList.h"
13
19 U_NAMESPACE_BEGIN
20
34 class U_LAYOUT_API LEGlyphStorage : public UObject, protected LEInsertionCallback
35 {
36 private:
42 le_int32 fGlyphCount;
43
49 LEGlyphID *fGlyphs;
50
56 le_int32 *fCharIndices;
57
63 float *fPositions;
64
70 le_uint32 *fAuxData;
71
72
78 LEInsertionList *fInsertionList;
79
85 le_int32 fSrcIndex;
86
92 le_int32 fDestIndex;
93
94 protected:
110 virtual le_bool applyInsertion(le_int32 atPosition, le_int32 count, LEGlyphID newGlyphs[]);
111
112 public:
113
121 LEGlyphStorage();
122
128 ~LEGlyphStorage();
129
137 inline le_int32 getGlyphCount() const;
138
149 void getGlyphs(LEGlyphID glyphs[], LEErrorCode &success) const;
150
163 void getGlyphs(le_uint32 glyphs[], le_uint32 extraBits, LEErrorCode &success) const;
164
175 void getCharIndices(le_int32 charIndices[], LEErrorCode &success) const;
176
188 void getCharIndices(le_int32 charIndices[], le_int32 indexBase, LEErrorCode &success) const;
189
201 void getGlyphPositions(float positions[], LEErrorCode &success) const;
202
217 void getGlyphPosition(le_int32 glyphIndex, float &x, float &y, LEErrorCode &success) const;
218
231 void allocateGlyphArray(le_int32 initialGlyphCount, le_bool rightToLeft, LEErrorCode &success);
232
243 le_int32 allocatePositions(LEErrorCode &success);
244
254 le_int32 allocateAuxData(LEErrorCode &success);
255
264 void getAuxData(le_uint32 auxData[], LEErrorCode &success) const;
265
276 LEGlyphID getGlyphID(le_int32 glyphIndex, LEErrorCode &success) const;
277
288 le_int32 getCharIndex(le_int32 glyphIndex, LEErrorCode &success) const;
289
290
301 le_uint32 getAuxData(le_int32 glyphIndex, LEErrorCode &success) const;
302
313 inline LEGlyphID &operator[](le_int32 glyphIndex) const;
314
332 LEGlyphID *insertGlyphs(le_int32 atIndex, le_int32 insertCount, LEErrorCode& success);
333
352 LEGlyphID *insertGlyphs(le_int32 atIndex, le_int32 insertCount);
353
367 void moveGlyph(le_int32 fromPosition, le_int32 toPosition, le_uint32 marker);
368
381 le_int32 applyInsertions();
382
392 void setGlyphID(le_int32 glyphIndex, LEGlyphID glyphID, LEErrorCode &success);
393
403 void setCharIndex(le_int32 glyphIndex, le_int32 charIndex, LEErrorCode &success);
404
415 void setPosition(le_int32 glyphIndex, float x, float y, LEErrorCode &success);
416
427 void adjustPosition(le_int32 glyphIndex, float xAdjust, float yAdjust, LEErrorCode &success);
428
438 void setAuxData(le_int32 glyphIndex, le_uint32 auxData, LEErrorCode &success);
439
450 void adoptGlyphArray(LEGlyphStorage &from);
451
462 void adoptCharIndicesArray(LEGlyphStorage &from);
463
474 void adoptPositionArray(LEGlyphStorage &from);
475
486 void adoptAuxDataArray(LEGlyphStorage &from);
487
497 void adoptGlyphCount(LEGlyphStorage &from);
498
506 void adoptGlyphCount(le_int32 newGlyphCount);
507
516 void reset();
517
523 virtual UClassID getDynamicClassID() const;
524
530 static UClassID getStaticClassID();
531 };
532
533 inline le_int32 LEGlyphStorage::getGlyphCount() const
534 {
535 return fGlyphCount;
536 }
537
538 inline LEGlyphID &LEGlyphStorage::operator[](le_int32 glyphIndex) const
539 {
540 return fGlyphs[glyphIndex];
541 }
542
543
544 U_NAMESPACE_END
545 #endif
546