/usr/include/qt5/QtGui/qpaintdevice.h is in qtbase5-dev 5.2.1+dfsg-1ubuntu14.
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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** 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
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** packaging of this file. Please review the following information to
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****************************************************************************/
#ifndef QPAINTDEVICE_H
#define QPAINTDEVICE_H
#include <QtGui/qwindowdefs.h>
#include <QtCore/qrect.h>
QT_BEGIN_NAMESPACE
class QPaintEngine;
class QPaintDevicePrivate;
class Q_GUI_EXPORT QPaintDevice // device for QPainter
{
public:
enum PaintDeviceMetric {
PdmWidth = 1,
PdmHeight,
PdmWidthMM,
PdmHeightMM,
PdmNumColors,
PdmDepth,
PdmDpiX,
PdmDpiY,
PdmPhysicalDpiX,
PdmPhysicalDpiY,
PdmDevicePixelRatio
};
virtual ~QPaintDevice();
virtual int devType() const;
bool paintingActive() const;
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 devicePixelRatio() const { return metric(PdmDevicePixelRatio); }
int colorCount() const { return metric(PdmNumColors); }
int depth() const { return metric(PdmDepth); }
protected:
QPaintDevice();
virtual int metric(PaintDeviceMetric metric) const;
virtual void initPainter(QPainter *painter) const;
virtual QPaintDevice *redirected(QPoint *offset) const;
virtual QPainter *sharedPainter() const;
ushort painters; // refcount
private:
Q_DISABLE_COPY(QPaintDevice)
QPaintDevicePrivate *reserved;
friend class QPainter;
friend class QPainterPrivate;
friend class QFontEngineMac;
friend class QX11PaintEngine;
friend Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, PaintDeviceMetric metric);
};
/*****************************************************************************
Inline functions
*****************************************************************************/
inline int QPaintDevice::devType() const
{ return QInternal::UnknownDevice; }
inline bool QPaintDevice::paintingActive() const
{ return painters != 0; }
QT_END_NAMESPACE
#endif // QPAINTDEVICE_H
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