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<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>
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<p>This is the verbatim text of the qpaintdevice.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/qpaintdevice.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of QPaintDevice class
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**
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** Created : 940721
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 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. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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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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#ifndef QT_H
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#include "qwindowdefs.h"
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#include "qrect.h"
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#endif // QT_H
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#if defined(Q_WS_QWS)
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class QWSDisplay;
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class QGfx;
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#endif
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class QIODevice;
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class QString;
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class QTextItem;
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#if defined(Q_WS_X11)
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struct QPaintDeviceX11Data;
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#endif
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union QPDevCmdParam {
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int ival;
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int *ivec;
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QString *str;
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const QPoint *point;
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const QRect *rect;
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const QPointArray *ptarr;
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const QPixmap *pixmap;
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const QImage *image;
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const QColor *color;
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const QFont *font;
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const QPen *pen;
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const QBrush *brush;
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const QRegion *rgn;
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const QWMatrix *matrix;
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const QTextItem *textItem;
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QIODevice *device;
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};
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class Q_EXPORT QPaintDevice // device for QPainter
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{
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public:
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virtual ~QPaintDevice();
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int devType() const;
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bool isExtDev() const;
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bool paintingActive() const;
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virtual void setResolution( int );
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virtual int resolution() const;
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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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#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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#if defined(Q_WS_X11)
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Display *x11Display() const;
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int x11Screen() const;
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int x11Depth() const;
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int x11Cells() const;
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Qt::HANDLE x11Colormap() const;
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bool x11DefaultColormap() const;
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void *x11Visual() const;
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bool x11DefaultVisual() const;
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static Display *x11AppDisplay();
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static int x11AppScreen();
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static int x11AppDpiX();
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static int x11AppDpiY();
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static void x11SetAppDpiX(int);
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static void x11SetAppDpiY(int);
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static int x11AppDepth();
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static int x11AppCells();
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static Qt::HANDLE x11AppRootWindow();
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static Qt::HANDLE x11AppColormap();
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static bool x11AppDefaultColormap();
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static void *x11AppVisual();
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static bool x11AppDefaultVisual();
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// ### in 4.0, the above need to go away, the below needs to take a -1 default
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// argument, signifying the default screen...
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static int x11AppDepth( int screen );
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static int x11AppCells( int screen );
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static Qt::HANDLE x11AppRootWindow( int screen );
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static Qt::HANDLE x11AppColormap( int screen );
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static void *x11AppVisual( int screen );
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static bool x11AppDefaultColormap( int screen );
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static bool x11AppDefaultVisual( int screen );
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static int x11AppDpiX( int );
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static int x11AppDpiY( int );
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static void x11SetAppDpiX( int, int );
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static void x11SetAppDpiY( int, int );
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#endif
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#if defined(Q_WS_QWS)
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static QWSDisplay *qwsDisplay();
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virtual unsigned char * scanLine(int) const;
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virtual int bytesPerLine() const;
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virtual QGfx * graphicsContext(bool clip_children=TRUE) const;
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#endif
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enum PDevCmd {
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PdcNOP = 0, // <void>
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PdcDrawPoint = 1, // point
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PdcDrawFirst = PdcDrawPoint,
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PdcMoveTo = 2, // point
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PdcLineTo = 3, // point
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PdcDrawLine = 4, // point,point
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PdcDrawRect = 5, // rect
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PdcDrawRoundRect = 6, // rect,ival,ival
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PdcDrawEllipse = 7, // rect
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PdcDrawArc = 8, // rect,ival,ival
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PdcDrawPie = 9, // rect,ival,ival
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PdcDrawChord = 10, // rect,ival,ival
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PdcDrawLineSegments = 11, // ptarr
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PdcDrawPolyline = 12, // ptarr
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PdcDrawPolygon = 13, // ptarr,ival
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PdcDrawCubicBezier = 14, // ptarr
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PdcDrawText = 15, // point,str
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PdcDrawTextFormatted = 16, // rect,ival,str
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PdcDrawPixmap = 17, // rect,pixmap
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PdcDrawImage = 18, // rect,image
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PdcDrawText2 = 19, // point,str
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PdcDrawText2Formatted = 20, // rect,ival,str
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PdcDrawTextItem = 21,
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PdcDrawLast = PdcDrawTextItem,
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// no painting commands below PdcDrawLast.
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PdcBegin = 30, // <void>
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PdcEnd = 31, // <void>
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PdcSave = 32, // <void>
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PdcRestore = 33, // <void>
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PdcSetdev = 34, // device - PRIVATE
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PdcSetBkColor = 40, // color
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PdcSetBkMode = 41, // ival
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PdcSetROP = 42, // ival
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PdcSetBrushOrigin = 43, // point
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PdcSetFont = 45, // font
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PdcSetPen = 46, // pen
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PdcSetBrush = 47, // brush
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PdcSetTabStops = 48, // ival
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PdcSetTabArray = 49, // ival,ivec
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PdcSetUnit = 50, // ival
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PdcSetVXform = 51, // ival
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PdcSetWindow = 52, // rect
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PdcSetViewport = 53, // rect
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PdcSetWXform = 54, // ival
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PdcSetWMatrix = 55, // matrix,ival
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PdcSaveWMatrix = 56,
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PdcRestoreWMatrix = 57,
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PdcSetClip = 60, // ival
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PdcSetClipRegion = 61, // rgn
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PdcReservedStart = 0, // codes 0-199 are reserved
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PdcReservedStop = 199 // for Qt
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};
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protected:
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QPaintDevice( uint devflags );
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#if defined(Q_WS_WIN)
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HDC hdc; // device context
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#elif defined(Q_WS_X11)
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Qt::HANDLE hd; // handle to drawable
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Qt::HANDLE rendhd; // handle to RENDER pict
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void copyX11Data( const QPaintDevice * );
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void cloneX11Data( const QPaintDevice * );
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virtual void setX11Data( const QPaintDeviceX11Data* );
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QPaintDeviceX11Data* getX11Data( bool def=FALSE ) const;
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#elif defined(Q_WS_MAC)
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#if !defined( QMAC_NO_QUARTZ )
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CGContextRef ctx;
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#endif
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void * hd;
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#elif defined(Q_WS_QWS)
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Qt::HANDLE hd;
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#endif
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virtual bool cmd( int, QPainter *, QPDevCmdParam * );
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virtual int metric( int ) const;
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virtual int fontMet( QFont *, int, const char * = 0, int = 0 ) const;
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virtual int fontInf( QFont *, int ) const;
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ushort devFlags; // device flags
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ushort painters; // refcount
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friend class QPainter;
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friend class QPaintDeviceMetrics;
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#if defined(Q_WS_MAC)
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#ifndef QMAC_NO_QUARTZ
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virtual CGContextRef macCGContext(bool clipped=TRUE) const;
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#endif
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friend Q_EXPORT void unclippedScaledBitBlt( QPaintDevice *, int, int, int, int,
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const QPaintDevice *, int, int, int, int, Qt::RasterOp, bool, bool );
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#else
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friend Q_EXPORT void bitBlt( QPaintDevice *, int, int,
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const QPaintDevice *,
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int, int, int, int, Qt::RasterOp, bool );
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#endif
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#if defined(Q_WS_X11)
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friend void qt_init_internal( int *, char **, Display *, Qt::HANDLE, Qt::HANDLE );
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friend void qt_cleanup();
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#endif
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private:
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#if defined(Q_WS_X11)
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static Display *x_appdisplay;
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static int x_appscreen;
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static int x_appdepth;
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static int x_appcells;
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static Qt::HANDLE x_approotwindow;
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static Qt::HANDLE x_appcolormap;
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static bool x_appdefcolormap;
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static void *x_appvisual;
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static bool x_appdefvisual;
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// ### in 4.0, remove the above, and replace with the below
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static int *x_appdepth_arr;
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static int *x_appcells_arr;
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static Qt::HANDLE *x_approotwindow_arr;
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static Qt::HANDLE *x_appcolormap_arr;
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static bool *x_appdefcolormap_arr;
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static void **x_appvisual_arr;
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static bool *x_appdefvisual_arr;
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QPaintDeviceX11Data* x11Data;
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#endif
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QPaintDevice( const QPaintDevice & );
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QPaintDevice &operator=( const QPaintDevice & );
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#endif
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};
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Q_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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Qt::RasterOp = Qt::CopyROP, bool ignoreMask=FALSE );
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Q_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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#if defined(Q_WS_X11)
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struct Q_EXPORT QPaintDeviceX11Data : public QShared {
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Display* x_display;
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int x_screen;
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int x_depth;
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int x_cells;
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Qt::HANDLE x_colormap;
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bool x_defcolormap;
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void* x_visual;
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bool x_defvisual;
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};
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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 devFlags & QInternal::DeviceTypeMask; }
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inline bool QPaintDevice::isExtDev() const
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{ return (devFlags & QInternal::ExternalDevice) != 0; }
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inline bool QPaintDevice::paintingActive() const
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{ return painters != 0; }
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#if defined(Q_WS_X11)
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inline Display *QPaintDevice::x11Display() const
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{ return x11Data ? x11Data->x_display : x_appdisplay; }
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inline int QPaintDevice::x11Screen() const
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{ return x11Data ? x11Data->x_screen : x_appscreen; }
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inline int QPaintDevice::x11Depth() const
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{ return x11Data ? x11Data->x_depth : x_appdepth; }
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inline int QPaintDevice::x11Cells() const
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{ return x11Data ? x11Data->x_cells : x_appcells; }
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inline Qt::HANDLE QPaintDevice::x11Colormap() const
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{ return x11Data ? x11Data->x_colormap : x_appcolormap; }
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inline bool QPaintDevice::x11DefaultColormap() const
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{ return x11Data ? x11Data->x_defcolormap : x_appdefcolormap; }
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inline void *QPaintDevice::x11Visual() const
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{ return x11Data ? x11Data->x_visual : x_appvisual; }
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inline bool QPaintDevice::x11DefaultVisual() const
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{ return x11Data ? x11Data->x_defvisual : x_appdefvisual; }
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inline Display *QPaintDevice::x11AppDisplay()
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{ return x_appdisplay; }
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inline int QPaintDevice::x11AppScreen()
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{ return x_appscreen; }
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inline int QPaintDevice::x11AppDepth( int screen )
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{ return x_appdepth_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline int QPaintDevice::x11AppCells( int screen )
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{ return x_appcells_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline Qt::HANDLE QPaintDevice::x11AppRootWindow( int screen )
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{ return x_approotwindow_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline Qt::HANDLE QPaintDevice::x11AppColormap( int screen )
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{ return x_appcolormap_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline bool QPaintDevice::x11AppDefaultColormap( int screen )
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{ return x_appdefcolormap_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline void *QPaintDevice::x11AppVisual( int screen )
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{ return x_appvisual_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline bool QPaintDevice::x11AppDefaultVisual( int screen )
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{ return x_appdefvisual_arr[ screen == -1 ? x_appscreen : screen ]; }
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inline int QPaintDevice::x11AppDepth()
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{ return x_appdepth; }
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inline int QPaintDevice::x11AppCells()
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{ return x_appcells; }
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inline Qt::HANDLE QPaintDevice::x11AppRootWindow()
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{ return x_approotwindow; }
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inline Qt::HANDLE QPaintDevice::x11AppColormap()
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{ return x_appcolormap; }
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inline bool QPaintDevice::x11AppDefaultColormap()
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{ return x_appdefcolormap; }
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inline void *QPaintDevice::x11AppVisual()
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{ return x_appvisual; }
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inline bool QPaintDevice::x11AppDefaultVisual()
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{ return x_appdefvisual; }
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#endif // Q_WS_X11
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Q_EXPORT
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inline 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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Qt::RasterOp rop=Qt::CopyROP, bool ignoreMask=FALSE )
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{
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bitBlt( dst, dp.x(), dp.y(), src, sr.x(), sr.y(), sr.width(), sr.height(),
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rop, ignoreMask );
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}
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#endif // QPAINTDEVICE_H
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</pre>
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>Qt 3.3.8</div>
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</table></div></address></body>
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</html>
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