Add Qt3 development HEAD version

1 files changed, 111 insertions, 0 deletions

diff --git a/src/kernel/qasyncimageio.h b/src/kernel/qasyncimageio.h
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+/****************************************************************************
+**
+** Definition of asynchronous image/movie loading classes
+**
+** Created : 970617
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the kernel module of the Qt 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 Qt 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.QPL
+** included in the packaging of this file.  Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** 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 QASYNCIMAGEIO_H
+#define QASYNCIMAGEIO_H
+
+#ifndef QT_H
+#include "qimage.h"
+#endif // QT_H
+
+#ifndef QT_NO_ASYNC_IMAGE_IO
+
+#if __GNUC__ - 0 > 3
+#pragma GCC system_header
+#endif
+
+class Q_EXPORT QImageConsumer {
+public:
+    virtual void end()=0;
+
+    // Change transfer type 1.
+    virtual void changed( const QRect& ) = 0;
+    virtual void frameDone() = 0;
+
+    // Change transfer type 2.
+    virtual void frameDone( const QPoint&, const QRect& ) = 0;
+
+    virtual void setLooping( int ) = 0;
+    virtual void setFramePeriod( int ) = 0;
+    virtual void setSize( int, int ) = 0;
+};
+
+class Q_EXPORT QImageFormat {
+public:
+    virtual ~QImageFormat();
+    virtual int decode( QImage& img, QImageConsumer* consumer,
+			const uchar* buffer, int length ) = 0;
+};
+
+class Q_EXPORT QImageFormatType {
+public:
+    virtual ~QImageFormatType();
+    virtual QImageFormat* decoderFor( const uchar* buffer, int length ) = 0;
+    virtual const char* formatName() const = 0;
+protected:
+    QImageFormatType();
+};
+
+class QImageDecoderPrivate;
+class Q_EXPORT QImageDecoder {
+public:
+    QImageDecoder( QImageConsumer* c );
+    ~QImageDecoder();
+
+    const QImage& image() { return img; }
+    int decode( const uchar* buffer, int length );
+
+    static const char* formatName( const uchar* buffer, int length );
+    static QImageFormatType* format( const char* name ); // direct use - no decode()
+
+    static QStrList inputFormats();
+    static void registerDecoderFactory( QImageFormatType* );
+    static void unregisterDecoderFactory( QImageFormatType* );
+
+private:
+    QImageFormat* actual_decoder;
+    QImageConsumer* consumer;
+    QImage img;
+    QImageDecoderPrivate *d;
+};
+
+#endif // QT_NO_ASYNC_IMAGE_IO
+
+#endif // QASYNCIMAGEIO_H