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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:17:53 -0500 | 
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:17:53 -0500 | 
| commit | dda8474928bd7276e1fad8fb7a601e7c83ff2bc2 (patch) | |
| tree | 7f83910598b33b12730035f086df20b5a53ab99c /tqtinterface/qt4/src/kernel/tqasyncimageio.h | |
| parent | 6260b6178868c03aab1644bf93b0ef043654bdb0 (diff) | |
| download | experimental-dda8474928bd7276e1fad8fb7a601e7c83ff2bc2.tar.gz experimental-dda8474928bd7276e1fad8fb7a601e7c83ff2bc2.zip | |
Added TQt4 HEAD
Diffstat (limited to 'tqtinterface/qt4/src/kernel/tqasyncimageio.h')
| -rw-r--r-- | tqtinterface/qt4/src/kernel/tqasyncimageio.h | 111 | 
1 files changed, 111 insertions, 0 deletions
| diff --git a/tqtinterface/qt4/src/kernel/tqasyncimageio.h b/tqtinterface/qt4/src/kernel/tqasyncimageio.h new file mode 100644 index 0000000..75e1f60 --- /dev/null +++ b/tqtinterface/qt4/src/kernel/tqasyncimageio.h @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Definition of asynchronous image/movie loading classes +** +** Created : 970617 +** +** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file.  Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQASYNCIMAGEIO_H +#define TQASYNCIMAGEIO_H + +#ifndef TQT_H +#include "tqimage.h" +#endif // TQT_H + +#ifndef TQT_NO_ASYNC_IMAGE_IO + +#if __GNUC__ - 0 > 3 +#pragma GCC system_header +#endif + +class TQ_EXPORT TQImageConsumer { +public: +    virtual void end()=0; + +    // Change transfer type 1. +    virtual void changed( const TQRect& ) = 0; +    virtual void frameDone() = 0; + +    // Change transfer type 2. +    virtual void frameDone( const TQPoint&, const TQRect& ) = 0; + +    virtual void setLooping( int ) = 0; +    virtual void setFramePeriod( int ) = 0; +    virtual void setSize( int, int ) = 0; +}; + +class TQ_EXPORT TQImageFormat { +public: +    virtual ~TQImageFormat(); +    virtual int decode( TQImage& img, TQImageConsumer* consumer, +			const uchar* buffer, int length ) = 0; +}; + +class TQ_EXPORT TQImageFormatType { +public: +    virtual ~TQImageFormatType(); +    virtual TQImageFormat* decoderFor( const uchar* buffer, int length ) = 0; +    virtual const char* formatName() const = 0; +protected: +    TQImageFormatType(); +}; + +class TQImageDecoderPrivate; +class TQ_EXPORT TQImageDecoder { +public: +    TQImageDecoder( TQImageConsumer* c ); +    ~TQImageDecoder(); + +    const TQImage& image() { return img; } +    int decode( const uchar* buffer, int length ); + +    static const char* formatName( const uchar* buffer, int length ); +    static TQImageFormatType* format( const char* name ); // direct use - no decode() + +    static TQStrList inputFormats(); +    static void registerDecoderFactory( TQImageFormatType* ); +    static void unregisterDecoderFactory( TQImageFormatType* ); + +private: +    TQImageFormat* actual_decoder; +    TQImageConsumer* consumer; +    TQImage img; +    TQImageDecoderPrivate *d; +}; + +#endif // TQT_NO_ASYNC_IMAGE_IO + +#endif // TQASYNCIMAGEIO_H | 
