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91 lines
3 KiB
C++
91 lines
3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGIFHANDLER_P_H
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#define QGIFHANDLER_P_H
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#include <QtGui/qimageiohandler.h>
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#include <QtGui/qimage.h>
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#include <QtCore/qbytearray.h>
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QT_BEGIN_NAMESPACE
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class QGIFFormat;
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class QGifHandler : public QImageIOHandler
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{
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public:
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QGifHandler();
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~QGifHandler();
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bool canRead() const;
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bool read(QImage *image);
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bool write(const QImage &image);
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QByteArray name() const;
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static bool canRead(QIODevice *device);
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QVariant option(ImageOption option) const;
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void setOption(ImageOption option, const QVariant &value);
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bool supportsOption(ImageOption option) const;
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int imageCount() const;
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int loopCount() const;
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int nextImageDelay() const;
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int currentImageNumber() const;
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private:
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bool imageIsComing() const;
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QGIFFormat *gifFormat;
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QString fileName;
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mutable QByteArray buffer;
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mutable QImage lastImage;
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mutable int nextDelay;
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mutable int loopCnt;
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int frameNumber;
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mutable QVector<QSize> imageSizes;
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mutable bool scanIsCached;
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};
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QT_END_NAMESPACE
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#endif // QGIFHANDLER_P_H
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