diff options
| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/qpixmap-h.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/qpixmap-h.html')
| -rw-r--r-- | doc/html/qpixmap-h.html | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/doc/html/qpixmap-h.html b/doc/html/qpixmap-h.html new file mode 100644 index 0000000..89bb9fb --- /dev/null +++ b/doc/html/qpixmap-h.html @@ -0,0 +1,399 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qpixmap.h:1 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>qpixmap.h Include File</title> +<style type="text/css"><!-- +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; } +--></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">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</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>qpixmap.h</h1> + +<p>This is the verbatim text of the qpixmap.h include file. It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qpixmap.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QPixmap class +** +** Created : 940501 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QPIXMAP_H +#define QPIXMAP_H + +#ifndef QT_H +#include "qpaintdevice.h" +#include "qcolor.h" // char*->QColor conversion +#include "qstring.h" // char*->QString conversion +#include "qnamespace.h" +#endif // QT_H + +class QGfx; +class QPixmapPrivate; + +#if defined(Q_WS_WIN) +// Internal pixmap memory optimization class for Windows 9x +class QMultiCellPixmap; +#endif + + +class Q_EXPORT QPixmap : public QPaintDevice, public Qt +{ +public: + enum ColorMode { Auto, Color, Mono }; + enum Optimization { DefaultOptim, NoOptim, MemoryOptim=NoOptim, + NormalOptim, BestOptim }; + + QPixmap(); + QPixmap( const QImage& image ); + QPixmap( int w, int h, int depth = -1, Optimization = DefaultOptim ); + QPixmap( const QSize &, int depth = -1, Optimization = DefaultOptim ); +#ifndef QT_NO_IMAGEIO + 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[] ); // ### in 4.0, 'const char * const xpm[]'? + QPixmap( const QByteArray &data ); +#endif + 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; + bool hasAlpha() const; + bool hasAlphaChannel() const; +#ifndef QT_NO_IMAGE_HEURISTIC_MASK + QBitmap createHeuristicMask( bool clipTight = TRUE ) const; +#endif +#ifndef QT_NO_MIME + static QPixmap fromMimeSource( const QString& abs_name ); +#endif + 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; + 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 ); +#ifndef QT_NO_IMAGEIO + 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, int quality = -1 ) const; + bool save( QIODevice* device, const char* format, int quality = -1 ) const; +#endif + +#if defined(Q_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(Q_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(Q_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; +#elif defined(Q_WS_X11) + static int x11SetDefaultScreen( int screen ); + void x11SetScreen( int screen ); +#endif + +#ifndef Q_QDOC + Q_DUMMY_COMPARISON_OPERATOR(QPixmap) +#endif + +protected: + QPixmap( int w, int h, const uchar *data, bool isXbitmap ); + int metric( int ) const; + +#if defined(Q_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(Q_WS_WIN) + uint mcp : 1; +#endif + int ser_no; + QBitmap *mask; +#if defined(Q_WS_WIN) + QPixmap *maskpm; + union { + HBITMAP hbm; // if mcp == FALSE + QMCPI *mcpi; // if mcp == TRUE + } hbm_or_mcpi; + uchar *realAlphaBits; +#ifdef Q_OS_TEMP + uchar* ppvBits; // Pointer to DIBSection bits +#endif +#elif defined(Q_WS_X11) + void *ximage; + void *maskgc; + QPixmap *alphapm; +#elif defined(Q_WS_MAC) + ColorTable *clut; + QPixmap *alphapm; +#elif defined(Q_WS_QWS) + int id; // ### should use QPaintDevice::hd, since it is there + QRgb * clut; + int numcols; + int rw; + int rh; + bool hasAlpha; +#endif + Optimization optim; +#if defined(Q_WS_WIN) + HBITMAP old_hbm; +#endif + } *data; +private: +#ifndef QT_NO_IMAGEIO + bool doImageIO( QImageIO* io, int quality ) const; +#endif + QPixmap( int w, int h, int depth, bool, Optimization ); + void init( int, int, int, bool, Optimization ); + void deref(); + QPixmap copy( bool ignoreMask = FALSE ) const; +#if defined(Q_WS_WIN) + void initAlphaPixmap( uchar *bytes, int length, struct tagBITMAPINFO *bmi ); + void convertToAlphaPixmap( bool initAlpha=TRUE ); + static void bitBltAlphaPixmap( QPixmap *dst, int dx, int dy, + const QPixmap *src, int sx, int sy, + int sw, int sh, bool useDstAlpha ); +#endif + 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 Q_EXPORT void copyBlt( QPixmap *dst, int dx, int dy, + const QPixmap *src, int sx, int sy, + int sw, int sh ); + +#if defined(Q_WS_MAC) + friend void unclippedScaledBitBlt(QPaintDevice *, int, int, int, int, + const QPaintDevice *, int, int, int, int, + Qt::RasterOp, bool, bool); +#endif + + friend class QBitmap; + friend class QPaintDevice; + friend class QPainter; + friend class QGLWidget; +}; + + +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(Q_WS_WIN) +inline HBITMAP QPixmap::hbm() const +{ + return data->mcp ? 0 : data->hbm_or_mcpi.hbm; +} +#endif + +inline 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(Q_WS_WIN) +inline bool QPixmap::isMultiCellPixmap() const +{ + return data->mcp; +} +#endif + + +/***************************************************************************** + QPixmap stream functions + *****************************************************************************/ + +#if !defined(QT_NO_DATASTREAM) && !defined(QT_NO_IMAGEIO) +Q_EXPORT QDataStream &operator<<( QDataStream &, const QPixmap & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QPixmap & ); +#endif + +/***************************************************************************** + QPixmap (and QImage) helper functions + *****************************************************************************/ + +#ifndef QT_NO_PIXMAP_TRANSFORMATION +# define QT_XFORM_TYPE_MSBFIRST 0 +# define QT_XFORM_TYPE_LSBFIRST 1 +# if defined(Q_WS_WIN) +# define QT_XFORM_TYPE_WINDOWSPIXMAP 2 +# endif +bool qt_xForm_helper( const QWMatrix&, int, int, int, uchar*, int, int, int, uchar*, int, int, int ); +#endif + +Q_EXPORT void copyBlt( QPixmap *dst, int dx, int dy, + const QPixmap *src, int sx = 0, int sy = 0, + int sw = -1, int sh = -1 ); + +#endif // QPIXMAP_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |