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Diffstat (limited to 'src/gui/painting/qpaintdevice.h')
| -rw-r--r-- | src/gui/painting/qpaintdevice.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/gui/painting/qpaintdevice.h b/src/gui/painting/qpaintdevice.h new file mode 100644 index 0000000000..67db3f653f --- /dev/null +++ b/src/gui/painting/qpaintdevice.h @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@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); } +#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 |