src/gui/image/qimagereader.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/image/qimagereader.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QIMAGEREADER_H
+#define QIMAGEREADER_H
+
+#include <QtCore/qbytearray.h>
+#include <QtGui/qimage.h>
+#include <QtGui/qimageiohandler.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QColor;
+class QIODevice;
+class QRect;
+class QSize;
+class QStringList;
+
+class QImageReaderPrivate;
+class Q_GUI_EXPORT QImageReader
+{
+public:
+    enum ImageReaderError {
+        UnknownError,
+        FileNotFoundError,
+        DeviceError,
+        UnsupportedFormatError,
+        InvalidDataError
+    };
+
+    QImageReader();
+    explicit QImageReader(QIODevice *device, const QByteArray &format = QByteArray());
+    explicit QImageReader(const QString &fileName, const QByteArray &format = QByteArray());
+    ~QImageReader();
+
+    void setFormat(const QByteArray &format);
+    QByteArray format() const;
+
+    void setAutoDetectImageFormat(bool enabled);
+    bool autoDetectImageFormat() const;
+
+    void setDecideFormatFromContent(bool ignored);
+    bool decideFormatFromContent() const;
+
+    void setDevice(QIODevice *device);
+    QIODevice *device() const;
+
+    void setFileName(const QString &fileName);
+    QString fileName() const;
+
+    QSize size() const;
+
+    QImage::Format imageFormat() const;
+
+    QStringList textKeys() const;
+    QString text(const QString &key) const;
+
+    void setClipRect(const QRect &rect);
+    QRect clipRect() const;
+
+    void setScaledSize(const QSize &size);
+    QSize scaledSize() const;
+
+    void setQuality(int quality);
+    int quality() const;
+
+    void setScaledClipRect(const QRect &rect);
+    QRect scaledClipRect() const;
+
+    void setBackgroundColor(const QColor &color);
+    QColor backgroundColor() const;
+
+    bool supportsAnimation() const;
+
+    bool canRead() const;
+    QImage read();
+    bool read(QImage *image);
+
+    bool jumpToNextImage();
+    bool jumpToImage(int imageNumber);
+    int loopCount() const;
+    int imageCount() const;
+    int nextImageDelay() const;
+    int currentImageNumber() const;
+    QRect currentImageRect() const;
+
+    ImageReaderError error() const;
+    QString errorString() const;
+
+    bool supportsOption(QImageIOHandler::ImageOption option) const;
+
+    static QByteArray imageFormat(const QString &fileName);
+    static QByteArray imageFormat(QIODevice *device);
+    static QList<QByteArray> supportedImageFormats();
+
+private:
+    Q_DISABLE_COPY(QImageReader)
+    QImageReaderPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QIMAGEREADER_H