summaryrefslogtreecommitdiffstats
path: root/tqtinterface/qt4/src/kernel/tqasyncimageio.h
diff options
context:
space:
mode:
Diffstat (limited to 'tqtinterface/qt4/src/kernel/tqasyncimageio.h')
-rw-r--r--tqtinterface/qt4/src/kernel/tqasyncimageio.h111
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