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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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); }
+ int numColors() 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;
+};
+
+#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