diff options
Diffstat (limited to 'src/plugins/imageformats/webp/qwebphandler_p.h')
-rw-r--r-- | src/plugins/imageformats/webp/qwebphandler_p.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/plugins/imageformats/webp/qwebphandler_p.h b/src/plugins/imageformats/webp/qwebphandler_p.h new file mode 100644 index 0000000..a3e85a9 --- /dev/null +++ b/src/plugins/imageformats/webp/qwebphandler_p.h @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the WebP plugins in the Qt ImageFormats module. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QWEBPHANDLER_P_H +#define QWEBPHANDLER_P_H + +#include <QtGui/qimageiohandler.h> +#include <QtCore/qbytearray.h> +#include <QtCore/qsize.h> + +#include "webp/decode.h" + +class QWebpHandler : public QImageIOHandler +{ +public: + QWebpHandler(); + ~QWebpHandler() {} + +public: + QByteArray name() const; + + bool canRead() const; + bool read(QImage *image); + + static bool canRead(QIODevice *device); + + bool write(const QImage &image); + QVariant option(ImageOption option) const; + void setOption(ImageOption option, const QVariant &value); + bool supportsOption(ImageOption option) const; + +private: + bool ensureScanned() const; + +private: + enum ScanState { + ScanError = -1, + ScanNotScanned = 0, + ScanSuccess = 1, + }; + + bool m_lossless; + int m_quality; + mutable ScanState m_scanState; + WebPBitstreamFeatures m_features; +}; + +#endif // WEBPHANDLER_H |