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192 lines
6.3 KiB
192 lines
6.3 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPAINTDEVICE_H
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#define QPAINTDEVICE_H
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#include <QtGui/qwindowdefs.h>
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#include <QtCore/qrect.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#if defined(Q_WS_QWS)
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class QWSDisplay;
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#endif
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class QPaintEngine;
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class Q_GUI_EXPORT QPaintDevice // device for QPainter
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{
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public:
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enum PaintDeviceMetric {
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PdmWidth = 1,
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PdmHeight,
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PdmWidthMM,
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PdmHeightMM,
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PdmNumColors,
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PdmDepth,
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PdmDpiX,
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PdmDpiY,
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PdmPhysicalDpiX,
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PdmPhysicalDpiY
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};
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virtual ~QPaintDevice();
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virtual int devType() const;
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bool paintingActive() const;
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virtual QPaintEngine *paintEngine() const = 0;
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#if defined(Q_WS_QWS)
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static QWSDisplay *qwsDisplay();
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#endif
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#ifdef Q_WS_WIN
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virtual HDC getDC() const;
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virtual void releaseDC(HDC hdc) const;
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#endif
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// Windows: get device context
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// X-Windows: get drawable
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#if defined(Q_WS_WIN)
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virtual HDC handle() const;
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#elif defined(Q_WS_X11)
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virtual Qt::HANDLE handle() const;
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virtual Qt::HANDLE x11RenderHandle() const;
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static GC qt_xget_temp_gc( int scrn, bool monochrome );
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#elif defined(Q_WS_MAC)
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virtual Qt::HANDLE handle() const;
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#elif defined(Q_WS_QWS)
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virtual Qt::HANDLE handle() const;
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#endif
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int width() const { return metric(PdmWidth); }
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int height() const { return metric(PdmHeight); }
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int widthMM() const { return metric(PdmWidthMM); }
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int heightMM() const { return metric(PdmHeightMM); }
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int logicalDpiX() const { return metric(PdmDpiX); }
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int logicalDpiY() const { return metric(PdmDpiY); }
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int physicalDpiX() const { return metric(PdmPhysicalDpiX); }
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int physicalDpiY() const { return metric(PdmPhysicalDpiY); }
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#ifdef QT_DEPRECATED
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QT_DEPRECATED int numColors() const { return metric(PdmNumColors); }
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#endif
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int colorCount() const { return metric(PdmNumColors); }
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int depth() const { return metric(PdmDepth); }
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protected:
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QPaintDevice();
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virtual int metric(PaintDeviceMetric metric) const;
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ushort painters; // refcount
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private:
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Q_DISABLE_COPY(QPaintDevice)
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#if defined(Q_WS_X11) && defined(QT3_SUPPORT)
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public:
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QT3_SUPPORT Display *x11Display() const;
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QT3_SUPPORT int x11Screen() const;
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QT3_SUPPORT int x11Depth() const;
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QT3_SUPPORT int x11Cells() const;
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QT3_SUPPORT Qt::HANDLE x11Colormap() const;
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QT3_SUPPORT bool x11DefaultColormap() const;
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QT3_SUPPORT void *x11Visual() const;
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QT3_SUPPORT bool x11DefaultVisual() const;
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static QT3_SUPPORT Display *x11AppDisplay();
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static QT3_SUPPORT int x11AppScreen();
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static QT3_SUPPORT int x11AppDepth(int screen = -1);
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static QT3_SUPPORT int x11AppCells(int screen = -1);
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static QT3_SUPPORT Qt::HANDLE x11AppRootWindow(int screen = -1);
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static QT3_SUPPORT Qt::HANDLE x11AppColormap(int screen = -1);
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static QT3_SUPPORT void *x11AppVisual(int screen = -1);
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static QT3_SUPPORT bool x11AppDefaultColormap(int screen =-1);
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static QT3_SUPPORT bool x11AppDefaultVisual(int screen =-1);
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static QT3_SUPPORT int x11AppDpiX(int screen = -1);
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static QT3_SUPPORT int x11AppDpiY(int screen = -1);
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static QT3_SUPPORT void x11SetAppDpiX(int, int);
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static QT3_SUPPORT void x11SetAppDpiY(int, int);
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#endif
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friend class QPainter;
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friend class QFontEngineMac;
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friend class QX11PaintEngine;
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friend Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, PaintDeviceMetric metric);
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};
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#ifdef QT3_SUPPORT
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QT3_SUPPORT Q_GUI_EXPORT
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void bitBlt(QPaintDevice *dst, int dx, int dy,
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const QPaintDevice *src, int sx=0, int sy=0, int sw=-1, int sh=-1,
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bool ignoreMask=false);
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QT3_SUPPORT Q_GUI_EXPORT
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void bitBlt(QPaintDevice *dst, int dx, int dy,
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const QImage *src, int sx=0, int sy=0, int sw=-1, int sh=-1,
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int conversion_flags=0);
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QT3_SUPPORT Q_GUI_EXPORT
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void bitBlt(QPaintDevice *dst, const QPoint &dp,
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const QPaintDevice *src, const QRect &sr=QRect(0,0,-1,-1),
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bool ignoreMask=false);
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#endif
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/*****************************************************************************
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Inline functions
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*****************************************************************************/
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inline int QPaintDevice::devType() const
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{ return QInternal::UnknownDevice; }
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inline bool QPaintDevice::paintingActive() const
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{ return painters != 0; }
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QPAINTDEVICE_H
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