katie/src/gui/painting/qpaintdevice.h
Ivailo Monev 74bb412630 copyright changes
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
2019-06-03 13:38:02 +00:00

99 lines
3.2 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the QtGui module of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 QPAINTDEVICE_H
#define QPAINTDEVICE_H
#include <QtGui/qwindowdefs.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QPaintEngine;
class Q_GUI_EXPORT QPaintDevice // device for QPainter
{
public:
enum PaintDeviceMetric {
PdmWidth = 1,
PdmHeight,
PdmWidthMM,
PdmHeightMM,
PdmNumColors,
PdmDepth,
PdmDpiX,
PdmDpiY,
PdmPhysicalDpiX,
PdmPhysicalDpiY
};
virtual ~QPaintDevice();
virtual int devType() const
{ return QInternal::UnknownDevice; }
bool paintingActive() const
{ return painters != 0; }
virtual QPaintEngine *paintEngine() const = 0;
int width() const { return metric(PdmWidth); }
int height() const { return metric(PdmHeight); }
int widthMM() const { return metric(PdmWidthMM); }
int heightMM() const { return metric(PdmHeightMM); }
int logicalDpiX() const { return metric(PdmDpiX); }
int logicalDpiY() const { return metric(PdmDpiY); }
int physicalDpiX() const { return metric(PdmPhysicalDpiX); }
int physicalDpiY() const { return metric(PdmPhysicalDpiY); }
int colorCount() const { return metric(PdmNumColors); }
int depth() const { return metric(PdmDepth); }
protected:
QPaintDevice();
virtual int metric(PaintDeviceMetric metric) const;
ushort painters; // refcount
private:
Q_DISABLE_COPY(QPaintDevice)
friend class QPainter;
friend class QX11PaintEngine;
friend Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, PaintDeviceMetric metric);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPAINTDEVICE_H