CTextLayout::TUtf32SourceCache Class Reference

#include <frmtlay.h>

class CTextLayout::TUtf32SourceCache
Public Member Functions
TUtf32SourceCache(const MTmSource &)
TUtf32SourceCache(const CTextLayout &)
TText GetUtf16(TInt)
TChar GetUtf32(TInt)

Detailed Description

Accesses text supplied by MTmSource.

Constructor & Destructor Documentation

TUtf32SourceCache ( const MTmSource & )

TUtf32SourceCache(const MTmSource &aSource)

Constructs an iterator over the text referenced by aSource.

Parameters
aSourceThe source of the text to be iterated over.

TUtf32SourceCache ( const CTextLayout & )

TUtf32SourceCache(const CTextLayout &aLayout)

Constructs an iterator over the text formatted by aLayout.

Parameters
aLayoutThe formatter of the text to be iterated over.

Member Function Documentation

GetUtf16 ( TInt )

TText GetUtf16(TIntaIndex)
Gets the specified character without uniting surrogate pairs.
Pre-condition
0 <= aIndex && aIndex < {document length}
Parameters
aIndexThe document position to retrieve.

GetUtf32 ( TInt )

TChar GetUtf32(TIntaIndex)

Gets the specified character, uniting surrogate pairs if appropriate.

Parameters
aIndexThe document position to retrive.
Return Value
The character at position aIndex. If aIndex is at the first code of a surrogate pair, the full character is returned. If it is the second of a valid surrogate pair or an unpaired surrogate, the surrogate is returned.
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