| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
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| 4 | ** Contact: https://www.qt.io/licensing/ | 
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| 5 | ** | 
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| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | 
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| 7 | ** | 
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 9 | ** Commercial License Usage | 
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 11 | ** accordance with the commercial license agreement provided with the | 
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| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
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| 16 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
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| 21 | ** packaging of this file. Please review the following information to | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
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| 24 | ** | 
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| 25 | ** GNU General Public License Usage | 
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| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
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| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
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| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
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| 31 | ** included in the packaging of this file. Please review the following | 
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| 32 | ** information to ensure the GNU General Public License requirements will | 
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| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
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| 35 | ** | 
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| 36 | ** $QT_END_LICENSE$ | 
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| 37 | ** | 
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| 38 | ****************************************************************************/ | 
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| 39 |  | 
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| 40 | #ifndef QPNGHANDLER_P_H | 
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| 41 | #define QPNGHANDLER_P_H | 
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| 42 |  | 
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| 43 | // | 
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| 44 | //  W A R N I N G | 
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| 45 | //  ------------- | 
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| 46 | // | 
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| 47 | // This file is not part of the Qt API. It exists purely as an | 
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| 48 | // implementation detail. This header file may change from version to | 
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| 49 | // version without notice, or even be removed. | 
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| 50 | // | 
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| 51 | // We mean it. | 
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| 52 | // | 
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| 53 |  | 
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| 54 | #include <QtGui/private/qtguiglobal_p.h> | 
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| 55 | #include "QtGui/qimageiohandler.h" | 
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| 56 |  | 
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| 57 | #ifndef QT_NO_IMAGEFORMAT_PNG | 
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| 58 |  | 
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| 59 | QT_BEGIN_NAMESPACE | 
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| 60 |  | 
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| 61 | class QPngHandlerPrivate; | 
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| 62 | class QPngHandler : public QImageIOHandler | 
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| 63 | { | 
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| 64 | public: | 
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| 65 | QPngHandler(); | 
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| 66 | ~QPngHandler(); | 
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| 67 |  | 
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| 68 | bool canRead() const override; | 
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| 69 | bool read(QImage *image) override; | 
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| 70 | bool write(const QImage &image) override; | 
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| 71 |  | 
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| 72 | QVariant option(ImageOption option) const override; | 
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| 73 | void setOption(ImageOption option, const QVariant &value) override; | 
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| 74 | bool supportsOption(ImageOption option) const override; | 
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| 75 |  | 
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| 76 | static bool canRead(QIODevice *device); | 
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| 77 |  | 
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| 78 | private: | 
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| 79 | QPngHandlerPrivate *d; | 
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| 80 | }; | 
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| 81 |  | 
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| 82 | QT_END_NAMESPACE | 
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| 83 |  | 
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| 84 | #endif // QT_NO_IMAGEFORMAT_PNG | 
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| 85 | #endif // QPNGHANDLER_P_H | 
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| 86 |  | 
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