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experimental/tqtinterface/qt4/include/private/qt4_qimage_p.h

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14 years ago
/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QIMAGE_P_H
#define QIMAGE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt/qglobal.h>
#include <Qt/qvector.h>
#ifndef QT_NO_IMAGE_TEXT
#include <Qt/qmap.h>
#endif
QT_BEGIN_NAMESPACE
struct Q_GUI_EXPORT QImageData { // internal image data
QImageData();
~QImageData();
static QImageData *create(const QSize &size, QImage::Format format, int numColors = 0);
static QImageData *create(uchar *data, int w, int h, int bpl, QImage::Format format, bool readOnly);
QAtomicInt ref;
int width;
int height;
int depth;
int nbytes; // number of bytes data
QVector<QRgb> colortable;
uchar *data;
#ifdef QT3_SUPPORT
uchar **jumptable;
#endif
QImage::Format format;
int bytes_per_line;
int ser_no; // serial number
int detach_no;
qreal dpmx; // dots per meter X (or 0)
qreal dpmy; // dots per meter Y (or 0)
QPoint offset; // offset in pixels
uint own_data : 1;
uint ro_data : 1;
uint has_alpha_clut : 1;
uint is_cached : 1;
bool checkForAlphaPixels() const;
// Convert the image in-place, minimizing memory reallocation
// Return false if the conversion cannot be done in-place.
bool convertInPlace(QImage::Format newFormat, Qt::ImageConversionFlags);
#ifndef QT_NO_IMAGE_TEXT
QMap<QString, QString> text;
#endif
bool doImageIO(const QImage *image, QImageWriter* io, int quality) const;
QPaintEngine *paintEngine;
};
QT_END_NAMESPACE
#endif