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# QTextDecoder Class Reference

The QTextDecoder class provides a state-based decoder. More...

All the functions in this class are reentrant when Qt is built with thread support.

`#include <qtextcodec.h>`

List of all member functions.

## Public Members

- virtual ~QTextDecoder ()
- virtual QString toUnicode ( const char * chars, int len ) = 0

## Detailed Description

The QTextDecoder class provides a state-based decoder.

The decoder converts a text format into Unicode, remembering any state that is required between calls.

See also QTextCodec::makeEncoder() and Internationalization with Qt.

## Member Function Documentation

### QTextDecoder::~QTextDecoder ()`[virtual]`

Destroys the decoder.

### QString QTextDecoder::toUnicode ( const char * chars, int len )`[pure virtual]`

Converts the first len bytes in chars to Unicode, returning the result.

If not all characters are used (e.g. if only part of a multi-byte encoding is at the end of the characters), the decoder remembers enough state to continue with the next call to this function.

This file is part of the Qt toolkit. Copyright © 1995-2004 Trolltech. All Rights Reserved.