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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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 <QtCore/qglobal.h>
#include <QMap>
#include <QVector>
QT_BEGIN_NAMESPACE
class QImageWriter;
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, QImageCleanupFunction cleanupFunction = 0, void *cleanupInfo = 0);
QAtomicInt ref;
int width;
int height;
int depth;
int nbytes; // number of bytes data
qreal devicePixelRatio;
QVector<QRgb> colortable;
uchar *data;
QImage::Format format;
int bytes_per_line;
int ser_no; // serial number
int detach_no;
qreal ldpmx; // logical dots per meter X (or 0)
qreal ldpmy; // logical dots per meter Y (or 0)
qreal dpmx; // device dots per meter X (or 0)
qreal dpmy; // device 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;
uint is_locked : 1;
QImageCleanupFunction cleanupFunction;
void* cleanupInfo;
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);
QMap<QString, QString> text;
bool doImageIO(const QImage *image, QImageWriter* io, int quality) const;
QPaintEngine *paintEngine;
};
void qInitImageConversions();
Q_GUI_EXPORT void qGamma_correct_back_to_linear_cs(QImage *image);
inline int qt_depthForFormat(QImage::Format format)
{
int depth = 0;
switch(format) {
case QImage::Format_Invalid:
case QImage::NImageFormats:
Q_ASSERT(false);
case QImage::Format_Mono:
case QImage::Format_MonoLSB:
depth = 1;
break;
case QImage::Format_Indexed8:
depth = 8;
break;
case QImage::Format_RGB32:
case QImage::Format_ARGB32:
case QImage::Format_ARGB32_Premultiplied:
depth = 32;
break;
case QImage::Format_RGB555:
case QImage::Format_RGB16:
case QImage::Format_RGB444:
case QImage::Format_ARGB4444_Premultiplied:
depth = 16;
break;
case QImage::Format_RGB666:
case QImage::Format_ARGB6666_Premultiplied:
case QImage::Format_ARGB8565_Premultiplied:
case QImage::Format_ARGB8555_Premultiplied:
case QImage::Format_RGB888:
depth = 24;
break;
}
return depth;
}
QT_END_NAMESPACE
#endif // QIMAGE_P_H
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