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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qpixmap.h include file</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: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qpixmap.h</h1><br clear="all">This is the verbatim text of the qpixmap.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qpixmap.h 2.3.8 edited 2004-05-12 $**** Definition of QPixmap class**** Created : 940501**** 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 QPIXMAP_H#define QPIXMAP_H#ifndef QT_H#include "qpaintdevice.h"#include "qcolor.h"#include "qstring.h"#include "qnamespace.h"#endif // QT_Hclass QGfx;#if defined(_WS_WIN_)// Internal pixmap memory optimization class for Windows 9xclass QMultiCellPixmap;#endifclass Q_EXPORT <a href="qpixmap.html">QPixmap</a> : public <a href="qpaintdevice.html">QPaintDevice</a>, public <a href="qt.html">Qt</a>{public: enum ColorMode { Auto, Color, Mono }; enum Optimization { DefaultOptim, NoOptim, MemoryOptim=NoOptim, NormalOptim, BestOptim }; QPixmap(); QPixmap( int w, int h, int depth = -1, Optimization = DefaultOptim ); QPixmap( const QSize &, int depth = -1, Optimization = DefaultOptim ); QPixmap( const QString& fileName, const char *format=0, ColorMode mode=Auto ); QPixmap( const QString& fileName, const char *format, int conversion_flags ); QPixmap( const char *xpm[] ); QPixmap( const QByteArray &data ); QPixmap( const QPixmap & ); ~QPixmap(); QPixmap &operator=( const QPixmap & ); QPixmap &operator=( const QImage & ); bool isNull() const; int width() const { return data->w; } int height() const { return data->h; } QSize size() const { return QSize(data->w,data->h); } QRect rect() const { return QRect(0,0,data->w,data->h); } int depth() const { return data->d; } static int defaultDepth(); void fill( const QColor &fillColor = Qt::white ); void fill( const QWidget *, int xofs, int yofs ); void fill( const QWidget *, const QPoint &ofs ); void resize( int width, int height ); void resize( const QSize & ); const QBitmap *mask() const; void setMask( const QBitmap & ); bool selfMask() const; QBitmap createHeuristicMask( bool clipTight = TRUE ) const; static QPixmap grabWindow( WId, int x=0, int y=0, int w=-1, int h=-1 ); static QPixmap grabWidget( QWidget * widget, int x=0, int y=0, int w=-1, int h=-1 );#ifndef QT_NO_PIXMAP_TRANSFORMATION QPixmap xForm( const QWMatrix & ) const;#endif#ifndef QT_NO_WMATRIX static QWMatrix trueMatrix( const QWMatrix &, int w, int h );#endif QImage convertToImage() const; bool convertFromImage( const QImage &, ColorMode mode=Auto ); bool convertFromImage( const QImage &, int conversion_flags ); static const char* imageFormat( const QString &fileName ); bool load( const QString& fileName, const char *format=0, ColorMode mode=Auto ); bool load( const QString& fileName, const char *format, int conversion_flags ); bool loadFromData( const uchar *buf, uint len, const char* format=0, ColorMode mode=Auto ); bool loadFromData( const uchar *buf, uint len, const char* format, int conversion_flags ); bool loadFromData( const QByteArray &data, const char* format=0, int conversion_flags=0 ); bool save( const QString& fileName, const char* format ) const; // ### remove 3.0 bool save( const QString& fileName, const char* format, int quality ) const; // ### change to quality=-1 in 3.0#if defined(_WS_WIN_) HBITMAP hbm() const;#endif int serialNumber() const; Optimization optimization() const; void setOptimization( Optimization ); static Optimization defaultOptimization(); static void setDefaultOptimization( Optimization ); virtual void detach(); bool isQBitmap() const;#if defined(_WS_WIN_) // These functions are internal and used by Windows 9x only bool isMultiCellPixmap() const; HDC multiCellHandle() const; HBITMAP multiCellBitmap() const; int multiCellOffset() const; int allocCell(); void freeCell( bool = FALSE );#endif#if defined(_WS_QWS_) virtual QGfx * graphicsContext(bool clip_children=TRUE) const; virtual unsigned char * scanLine(int) const; virtual int bytesPerLine() const; QRgb * clut() const; int numCols() const; bool hasAlpha() const { return data->hasAlpha || data->mask; }#else bool hasAlpha() const { return data->mask; }#endif#if defined(Q_FULL_TEMPLATE_INSTANTIATION) bool operator==( const QPixmap& ) const { return FALSE; }#endifprotected: QPixmap( int w, int h, const uchar *data, bool isXbitmap ); int metric( int ) const;#if defined(_WS_WIN_) struct QMCPI { // mem optim for win9x QMultiCellPixmap *mcp; int offset; };#endif struct QPixmapData : public QShared { // internal pixmap data QCOORD w, h; short d; uint uninit : 1; uint bitmap : 1; uint selfmask : 1;#if defined(_WS_WIN_) uint mcp : 1;#endif int ser_no; QBitmap *mask;#if defined(_WS_WIN_) void *bits; QPixmap *maskpm; union { HBITMAP hbm; // if mcp == FALSE QMCPI *mcpi; // if mcp == TRUE } hbm_or_mcpi;#elif defined(_WS_X11_) void *ximage; void *maskgc;#elif defined(_WS_QWS_) int id; // ### should use QPaintDevice::hd, since it is there QRgb * clut; int numcols; int rw; int rh; bool hasAlpha; void copyData(int id, int width, int depth) const;#endif Optimization optim; } *data;private: QPixmap( int w, int h, int depth, bool, Optimization ); void init( int, int, int, bool, Optimization ); void deref(); QPixmap copy( bool ignoreMask = FALSE ) const; static Optimization defOptim; friend Q_EXPORT void bitBlt( QPaintDevice *, int, int, const QPaintDevice *, int, int, int, int, RasterOp, bool ); friend Q_EXPORT void bitBlt( QPaintDevice *, int, int, const QImage* src, int, int, int, int, int conversion_flags ); friend class QBitmap; friend class QPaintDevice; friend class QPainter; friend class QSharedMemoryManager;};inline bool QPixmap::isNull() const{ return data->w == 0;}inline void QPixmap::fill( const QWidget *w, const QPoint &ofs ){ fill( w, ofs.x(), ofs.y() );}inline void QPixmap::resize( const QSize &s ){ resize( s.width(), s.height() );}inline const QBitmap *QPixmap::mask() const{ return data->mask;}inline bool QPixmap::selfMask() const{ return data->selfmask;}#if defined(_WS_WIN_)inline HBITMAP QPixmap::hbm() const{ return data->mcp ? 0 : data->hbm_or_mcpi.hbm;}#endifinline int QPixmap::serialNumber() const{ return data->ser_no;}inline QPixmap::Optimization QPixmap::optimization() const{ return data->optim;}inline bool QPixmap::isQBitmap() const{ return data->bitmap;}#if defined(_WS_WIN_)inline bool QPixmap::isMultiCellPixmap() const{ return data->mcp;}#endif/***************************************************************************** QPixmap stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_EXPORT QDataStream &operator<<( QDataStream &, const QPixmap & );Q_EXPORT QDataStream &operator>>( QDataStream &, QPixmap & );#endif#endif // QPIXMAP_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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