| /**************************************************************************** |
| ** |
| ** 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 |