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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/include/qpaintdevice.h:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><meta name="Translator" content="Cavendish"><meta name="Qt zh_CN Documents Website" content="http://www.qiliang.net/qt"><title>qpaintdevice.h包含文件</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; font-family: "Times New Roman" }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">主页</font></a> | <a href="classes.html"><font color="#004faf">所有的类</font></a> | <a href="mainclasses.html"><font color="#004faf">主要的类</font></a> | <a href="annotated.html"><font color="#004faf">注释的类</font></a> | <a href="groups.html"><font color="#004faf">分组的类</font></a> | <a href="functions.html"><font color="#004faf">函数</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qpaintdevice.h</h1><p>这里是qpaintdevice.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。<hr><pre>/****************************************************************************** $Id: qt/qpaintdevice.h 3.0.5 edited Apr 23 23:32 $**** Definition of QPaintDevice class**** Created : 940721**** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.**** This file is part of the kernel module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QPAINTDEVICE_H#define QPAINTDEVICE_H#ifndef QT_H#include "qwindowdefs.h"#include "qrect.h"#endif // QT_H#if defined(Q_WS_QWS)class QWSDisplay;class QGfx;#endifclass QIODevice;class QString;#if defined(Q_WS_X11)struct QPaintDeviceX11Data;#endifunion QPDevCmdParam { int ival; int *ivec; QString *str; const QPoint *point; const QRect *rect; const QPointArray *ptarr; const QPixmap *pixmap; const QImage *image; const QColor *color; const QFont *font; const QPen *pen; const QBrush *brush; const QRegion *rgn; const QWMatrix *matrix; QIODevice *device;};class Q_EXPORT QPaintDevice // device for QPainter{public: virtual ~QPaintDevice(); int devType() const; bool isExtDev() const; bool paintingActive() const; virtual void setResolution( int ); virtual int resolution() const; // Windows: get device context // X-Windows: get drawable#if defined(Q_WS_WIN) virtual HDC handle() const;#elif defined(Q_WS_X11) virtual Qt::HANDLE handle() const; virtual Qt::HANDLE x11RenderHandle() const;#elif defined(Q_WS_MAC) virtual Qt::HANDLE handle() const;#elif defined(Q_WS_QWS) virtual Qt::HANDLE handle() const;#endif#if defined(Q_WS_X11) Display *x11Display() const; int x11Screen() const; int x11Depth() const; int x11Cells() const; Qt::HANDLE x11Colormap() const; bool x11DefaultColormap() const; void *x11Visual() const; bool x11DefaultVisual() const; static Display *x11AppDisplay(); static int x11AppScreen(); static int x11AppDepth(); static int x11AppCells(); static int x11AppDpiX(); static int x11AppDpiY(); static Qt::HANDLE x11AppColormap(); static bool x11AppDefaultColormap(); static void *x11AppVisual(); static bool x11AppDefaultVisual(); static void x11SetAppDpiX(int); static void x11SetAppDpiY(int);#endif#if defined(Q_WS_QWS) static QWSDisplay *qwsDisplay(); virtual unsigned char * scanLine(int) const; virtual int bytesPerLine() const; virtual QGfx * graphicsContext(bool clip_children=TRUE) const;#endif enum PDevCmd { PdcNOP = 0, // <void> PdcDrawPoint = 1, // point PdcDrawFirst = PdcDrawPoint, PdcMoveTo = 2, // point PdcLineTo = 3, // point PdcDrawLine = 4, // point,point PdcDrawRect = 5, // rect PdcDrawRoundRect = 6, // rect,ival,ival PdcDrawEllipse = 7, // rect PdcDrawArc = 8, // rect,ival,ival PdcDrawPie = 9, // rect,ival,ival PdcDrawChord = 10, // rect,ival,ival PdcDrawLineSegments = 11, // ptarr PdcDrawPolyline = 12, // ptarr PdcDrawPolygon = 13, // ptarr,ival PdcDrawCubicBezier = 14, // ptarr PdcDrawText = 15, // point,str PdcDrawTextFormatted = 16, // rect,ival,str PdcDrawPixmap = 17, // rect,pixmap PdcDrawImage = 18, // rect,image PdcDrawText2 = 19, // point,str PdcDrawText2Formatted = 20, // rect,ival,str PdcDrawLast = PdcDrawText2Formatted, // no painting commands below PdcDrawLast. PdcBegin = 30, // <void> PdcEnd = 31, // <void> PdcSave = 32, // <void> PdcRestore = 33, // <void> PdcSetdev = 34, // device - PRIVATE PdcSetBkColor = 40, // color PdcSetBkMode = 41, // ival PdcSetROP = 42, // ival PdcSetBrushOrigin = 43, // point PdcSetFont = 45, // font PdcSetPen = 46, // pen PdcSetBrush = 47, // brush PdcSetTabStops = 48, // ival PdcSetTabArray = 49, // ival,ivec PdcSetUnit = 50, // ival PdcSetVXform = 51, // ival PdcSetWindow = 52, // rect PdcSetViewport = 53, // rect PdcSetWXform = 54, // ival PdcSetWMatrix = 55, // matrix,ival PdcSaveWMatrix = 56, PdcRestoreWMatrix = 57, PdcSetClip = 60, // ival PdcSetClipRegion = 61, // rgn PdcReservedStart = 0, // codes 0-199 are reserved PdcReservedStop = 199 // for Qt };protected: QPaintDevice( uint devflags );#if defined(Q_WS_WIN) HDC hdc; // device context#elif defined(Q_WS_X11) Qt::HANDLE hd; // handle to drawable Qt::HANDLE rendhd; // handle to RENDER pict void copyX11Data( const QPaintDevice * ); void cloneX11Data( const QPaintDevice * ); virtual void setX11Data( const QPaintDeviceX11Data* ); QPaintDeviceX11Data* getX11Data( bool def=FALSE ) const;#elif defined(Q_WS_MAC)#if !defined( QMAC_NO_QUARTZ ) CGContextRef ctx;#endif void * hd;#elif defined(Q_WS_QWS) Qt::HANDLE hd;#endif virtual bool cmd( int, QPainter *, QPDevCmdParam * ); virtual int metric( int ) const; virtual int fontMet( QFont *, int, const char * = 0, int = 0 ) const; virtual int fontInf( QFont *, int ) const; ushort devFlags; // device flags ushort painters; // refcount friend class QPainter; friend class QPaintDeviceMetrics;#if defined(Q_WS_MAC)#ifndef QMAC_NO_QUARTZ virtual CGContextRef macCGContext(bool clipped=TRUE) const;#endif friend Q_EXPORT void unclippedScaledBitBlt( QPaintDevice *, int, int, int, int, const QPaintDevice *, int, int, int, int, Qt::RasterOp, bool, bool );#else friend Q_EXPORT void bitBlt( QPaintDevice *, int, int, const QPaintDevice *, int, int, int, int, Qt::RasterOp, bool );#endif#if defined(Q_WS_X11) friend void qt_init_internal( int *, char **, Display *, Qt::HANDLE, Qt::HANDLE );#endifprivate:#if defined(Q_WS_X11) static Display *x_appdisplay; static int x_appscreen; static int x_appdepth; static int x_appcells; static Qt::HANDLE x_appcolormap; static bool x_appdefcolormap; static void *x_appvisual; static bool x_appdefvisual; QPaintDeviceX11Data* x11Data;#endifprivate: // Disabled copy constructor and operator=#if defined(Q_DISABLE_COPY) QPaintDevice( const QPaintDevice & ); QPaintDevice &operator=( const QPaintDevice & );#endif};Q_EXPORTvoid bitBlt( QPaintDevice *dst, int dx, int dy, const QPaintDevice *src, int sx=0, int sy=0, int sw=-1, int sh=-1, Qt::RasterOp = Qt::CopyROP, bool ignoreMask=FALSE );Q_EXPORTvoid 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 );#if defined(Q_WS_X11)struct Q_EXPORT QPaintDeviceX11Data : public QShared { Display* x_display; int x_screen; int x_depth; int x_cells; Qt::HANDLE x_colormap; bool x_defcolormap; void* x_visual; bool x_defvisual;};#endif/***************************************************************************** Inline functions *****************************************************************************/inline int QPaintDevice::devType() const{ return devFlags & QInternal::DeviceTypeMask; }inline bool QPaintDevice::isExtDev() const{ return (devFlags & QInternal::ExternalDevice) != 0; }inline bool QPaintDevice::paintingActive() const{ return painters != 0; }#if defined(Q_WS_X11)inline Display *QPaintDevice::x11Display() const{ return x11Data ? x11Data->x_display : x_appdisplay; }inline int QPaintDevice::x11Screen() const{ return x11Data ? x11Data->x_screen : x_appscreen; }inline int QPaintDevice::x11Depth() const{ return x11Data ? x11Data->x_depth : x_appdepth; }inline int QPaintDevice::x11Cells() const{ return x11Data ? x11Data->x_cells : x_appcells; }inline Qt::HANDLE QPaintDevice::x11Colormap() const{ return x11Data ? x11Data->x_colormap : x_appcolormap; }inline bool QPaintDevice::x11DefaultColormap() const{ return x11Data ? x11Data->x_defcolormap : x_appdefcolormap; }inline void *QPaintDevice::x11Visual() const{ return x11Data ? x11Data->x_visual : x_appvisual; }inline bool QPaintDevice::x11DefaultVisual() const{ return x11Data ? x11Data->x_defvisual : x_appdefvisual; }inline Display *QPaintDevice::x11AppDisplay(){ return x_appdisplay; }inline int QPaintDevice::x11AppScreen(){ return x_appscreen; }inline int QPaintDevice::x11AppDepth(){ return x_appdepth; }inline int QPaintDevice::x11AppCells(){ return x_appcells; }inline Qt::HANDLE QPaintDevice::x11AppColormap(){ return x_appcolormap; }inline bool QPaintDevice::x11AppDefaultColormap(){ return x_appdefcolormap; }inline void *QPaintDevice::x11AppVisual(){ return x_appvisual; }inline bool QPaintDevice::x11AppDefaultVisual(){ return x_appdefvisual; }#endif // Q_WS_X11Q_EXPORTinline void bitBlt( QPaintDevice *dst, const QPoint &dp, const QPaintDevice *src, const QRect &sr =QRect(0,0,-1,-1), Qt::RasterOp rop=Qt::CopyROP, bool ignoreMask=FALSE ){ bitBlt( dst, dp.x(), dp.y(), src, sr.x(), sr.y(), sr.width(), sr.height(), rop, ignoreMask );}#endif // QPAINTDEVICE_H</pre><!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td><a href="zh_CN.html">译者:Cavendish</a><td align=right><div align=right>Qt 3.0.5版</div></table></div></address></body></html>⌨️ 快捷键说明
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