/**************************************************************************** | |
** | |
** Copyright (C) 2011 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QPAINTDEVICE_H | |
#define QPAINTDEVICE_H | |
#include <QtGui/qwindowdefs.h> | |
#include <QtCore/qrect.h> | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(Gui) | |
#if defined(Q_WS_QWS) | |
class QWSDisplay; | |
#endif | |
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; | |
bool paintingActive() const; | |
virtual QPaintEngine *paintEngine() const = 0; | |
#if defined(Q_WS_QWS) | |
static QWSDisplay *qwsDisplay(); | |
#endif | |
#ifdef Q_WS_WIN | |
virtual HDC getDC() const; | |
virtual void releaseDC(HDC hdc) const; | |
#endif | |
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); } | |
#ifdef QT_DEPRECATED | |
QT_DEPRECATED int numColors() const { return metric(PdmNumColors); } | |
#endif | |
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) | |
#if defined(Q_WS_X11) && defined(QT3_SUPPORT) | |
public: | |
QT3_SUPPORT Display *x11Display() const; | |
QT3_SUPPORT int x11Screen() const; | |
QT3_SUPPORT int x11Depth() const; | |
QT3_SUPPORT int x11Cells() const; | |
QT3_SUPPORT Qt::HANDLE x11Colormap() const; | |
QT3_SUPPORT bool x11DefaultColormap() const; | |
QT3_SUPPORT void *x11Visual() const; | |
QT3_SUPPORT bool x11DefaultVisual() const; | |
static QT3_SUPPORT Display *x11AppDisplay(); | |
static QT3_SUPPORT int x11AppScreen(); | |
static QT3_SUPPORT int x11AppDepth(int screen = -1); | |
static QT3_SUPPORT int x11AppCells(int screen = -1); | |
static QT3_SUPPORT Qt::HANDLE x11AppRootWindow(int screen = -1); | |
static QT3_SUPPORT Qt::HANDLE x11AppColormap(int screen = -1); | |
static QT3_SUPPORT void *x11AppVisual(int screen = -1); | |
static QT3_SUPPORT bool x11AppDefaultColormap(int screen =-1); | |
static QT3_SUPPORT bool x11AppDefaultVisual(int screen =-1); | |
static QT3_SUPPORT int x11AppDpiX(int screen = -1); | |
static QT3_SUPPORT int x11AppDpiY(int screen = -1); | |
static QT3_SUPPORT void x11SetAppDpiX(int, int); | |
static QT3_SUPPORT void x11SetAppDpiY(int, int); | |
#endif | |
friend class QPainter; | |
friend class QFontEngineMac; | |
friend class QX11PaintEngine; | |
friend Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, PaintDeviceMetric metric); | |
}; | |
#ifdef QT3_SUPPORT | |
QT3_SUPPORT Q_GUI_EXPORT | |
void bitBlt(QPaintDevice *dst, int dx, int dy, | |
const QPaintDevice *src, int sx=0, int sy=0, int sw=-1, int sh=-1, | |
bool ignoreMask=false); | |
QT3_SUPPORT Q_GUI_EXPORT | |
void bitBlt(QPaintDevice *dst, int dx, int dy, | |
const QImage *src, int sx=0, int sy=0, int sw=-1, int sh=-1, | |
int conversion_flags=0); | |
QT3_SUPPORT Q_GUI_EXPORT | |
void bitBlt(QPaintDevice *dst, const QPoint &dp, | |
const QPaintDevice *src, const QRect &sr=QRect(0,0,-1,-1), | |
bool ignoreMask=false); | |
#endif | |
/***************************************************************************** | |
Inline functions | |
*****************************************************************************/ | |
inline int QPaintDevice::devType() const | |
{ return QInternal::UnknownDevice; } | |
inline bool QPaintDevice::paintingActive() const | |
{ return painters != 0; } | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QPAINTDEVICE_H |