From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- doc/html/qimage-h.html | 470 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 470 insertions(+) create mode 100644 doc/html/qimage-h.html (limited to 'doc/html/qimage-h.html') diff --git a/doc/html/qimage-h.html b/doc/html/qimage-h.html new file mode 100644 index 0000000..19b28ed --- /dev/null +++ b/doc/html/qimage-h.html @@ -0,0 +1,470 @@ + + + + + +qimage.h Include File + + + + + + + +
qimage.h

+ +
This is the verbatim text of the qimage.h include file. It is provided only for illustration; the copyright remains with Trolltech. +
+/****************************************************************************
+** $Id: qt/qimage.h   3.3.8   edited Jan 11 14:38 $
+**
+** Definition of QImage and QImageIO classes
+**
+** Created : 950207
+**
+** 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 QIMAGE_H
+#define QIMAGE_H
+
+#ifndef QT_H
+#include "qpixmap.h"
+#include "qstrlist.h"
+#include "qstringlist.h"
+#endif // QT_H
+
+class QImageDataMisc; // internal
+#ifndef QT_NO_IMAGE_TEXT
+class Q_EXPORT QImageTextKeyLang {
+public:
+    QImageTextKeyLang(const char* k, const char* l) : key(k), lang(l) { }
+    QImageTextKeyLang() { }
+
+    QCString key;
+    QCString lang;
+
+    bool operator< (const QImageTextKeyLang& other) const
+	{ return key < other.key || key==other.key && lang < other.lang; }
+    bool operator== (const QImageTextKeyLang& other) const
+	{ return key==other.key && lang==other.lang; }
+};
+#endif //QT_NO_IMAGE_TEXT
+
+
+class Q_EXPORT QImage
+{
+public:
+    enum Endian { IgnoreEndian, BigEndian, LittleEndian };
+
+    QImage();
+    QImage( int width, int height, int depth, int numColors=0,
+	    Endian bitOrder=IgnoreEndian );
+    QImage( const QSize&, int depth, int numColors=0,
+	    Endian bitOrder=IgnoreEndian );
+#ifndef QT_NO_IMAGEIO
+    QImage( const QString &fileName, const char* format=0 );
+    QImage( const char * const xpm[] );
+    QImage( const QByteArray &data );
+#endif
+    QImage( uchar* data, int w, int h, int depth,
+		QRgb* colortable, int numColors,
+		Endian bitOrder );
+#ifdef Q_WS_QWS
+    QImage( uchar* data, int w, int h, int depth, int pbl,
+		QRgb* colortable, int numColors,
+		Endian bitOrder );
+#endif
+    QImage( const QImage & );
+   ~QImage();
+
+    QImage     &operator=( const QImage & );
+    QImage     &operator=( const QPixmap & );
+    bool	operator==( const QImage & ) const;
+    bool	operator!=( const QImage & ) const;
+    void	detach();
+    QImage	copy()		const;
+    QImage	copy(int x, int y, int w, int h, int conversion_flags=0) const;
+    QImage	copy(const QRect&)	const;
+#ifndef QT_NO_MIME
+    static QImage fromMimeSource( const QString& abs_name );
+#endif
+    bool	isNull()	const	{ return data->bits == 0; }
+
+    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; }
+    int		numColors()	const	{ return data->ncols; }
+    Endian	bitOrder()	const	{ return (Endian) data->bitordr; }
+
+    QRgb	color( int i )	const;
+    void	setColor( int i, QRgb c );
+    void	setNumColors( int );
+
+    bool	hasAlphaBuffer() const;
+    void	setAlphaBuffer( bool );
+
+    bool	allGray() const;
+    bool        isGrayscale() const;
+
+    uchar      *bits()		const;
+    uchar      *scanLine( int ) const;
+    uchar     **jumpTable()	const;
+    QRgb       *colorTable()	const;
+    int		numBytes()	const;
+    int		bytesPerLine()	const;
+
+#ifdef Q_WS_QWS
+    QGfx * graphicsContext();
+#endif
+
+    bool	create( int width, int height, int depth, int numColors=0,
+			Endian bitOrder=IgnoreEndian );
+    bool	create( const QSize&, int depth, int numColors=0,
+			Endian bitOrder=IgnoreEndian );
+    void	reset();
+
+    void	fill( uint pixel );
+    void	invertPixels( bool invertAlpha = TRUE );
+
+    QImage	convertDepth( int ) const;
+#ifndef QT_NO_IMAGE_TRUECOLOR
+    QImage	convertDepthWithPalette( int, QRgb* p, int pc, int cf=0 ) const;
+#endif
+    QImage	convertDepth( int, int conversion_flags ) const;
+    QImage	convertBitOrder( Endian ) const;
+
+    enum ScaleMode {
+	ScaleFree,
+	ScaleMin,
+	ScaleMax
+    };
+#ifndef QT_NO_IMAGE_SMOOTHSCALE
+    QImage smoothScale( int w, int h, ScaleMode mode=ScaleFree ) const;
+    QImage smoothScale( const QSize& s, ScaleMode mode=ScaleFree ) const;
+#endif
+#ifndef QT_NO_IMAGE_TRANSFORMATION
+    QImage scale( int w, int h, ScaleMode mode=ScaleFree ) const;
+    QImage scale( const QSize& s, ScaleMode mode=ScaleFree ) const;
+    QImage scaleWidth( int w ) const;
+    QImage scaleHeight( int h ) const;
+    QImage xForm( const QWMatrix &matrix ) const;
+#endif
+
+#ifndef QT_NO_IMAGE_DITHER_TO_1
+    QImage	createAlphaMask( int conversion_flags=0 ) const;
+#endif
+#ifndef QT_NO_IMAGE_HEURISTIC_MASK
+    QImage	createHeuristicMask( bool clipTight=TRUE ) const;
+#endif
+#ifndef QT_NO_IMAGE_MIRROR
+    QImage	mirror() const;
+    QImage	mirror(bool horizontally, bool vertically) const;
+#endif
+    QImage	swapRGB() const;
+
+    static Endian systemBitOrder();
+    static Endian systemByteOrder();
+
+#ifndef QT_NO_IMAGEIO
+    static const char* imageFormat( const QString &fileName );
+    static QStrList inputFormats();
+    static QStrList outputFormats();
+#ifndef QT_NO_STRINGLIST
+    static QStringList inputFormatList();
+    static QStringList outputFormatList();
+#endif
+    bool	load( const QString &fileName, const char* format=0 );
+    bool	loadFromData( const uchar *buf, uint len,
+			      const char *format=0 );
+    bool	loadFromData( QByteArray data, const char* format=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 //QT_NO_IMAGEIO
+
+    bool	valid( int x, int y ) const;
+    int		pixelIndex( int x, int y ) const;
+    QRgb	pixel( int x, int y ) const;
+    void	setPixel( int x, int y, uint index_or_rgb );
+
+    // Auxiliary data
+    int dotsPerMeterX() const;
+    int dotsPerMeterY() const;
+    void setDotsPerMeterX(int);
+    void setDotsPerMeterY(int);
+    QPoint offset() const;
+    void setOffset(const QPoint&);
+#ifndef QT_NO_IMAGE_TEXT
+    QValueList<QImageTextKeyLang> textList() const;
+    QStringList textLanguages() const;
+    QStringList textKeys() const;
+    QString text(const char* key, const char* lang=0) const;
+    QString text(const QImageTextKeyLang&) const;
+    void setText(const char* key, const char* lang, const QString&);
+#endif
+private:
+    void	init();
+    void	reinit();
+    void	freeBits();
+    static void	warningIndexRange( const char *, int );
+
+    struct QImageData : public QShared {	// internal image data
+	int	w;				// image width
+	int	h;				// image height
+	int	d;				// image depth
+	int	ncols;				// number of colors
+	int	nbytes;				// number of bytes data
+	int	bitordr;			// bit order (1 bit depth)
+	QRgb   *ctbl;				// color table
+	uchar **bits;				// image data
+	bool	alpha;				// alpha buffer
+	int	dpmx;				// dots per meter X (or 0)
+	int	dpmy;				// dots per meter Y (or 0)
+	QPoint	offset;				// offset in pixels
+#ifndef QT_NO_IMAGE_TEXT
+	QImageDataMisc* misc;			// less common stuff
+#endif
+	bool    ctbl_mine;			// this allocated ctbl
+    } *data;
+#ifndef QT_NO_IMAGE_TEXT
+    QImageDataMisc& misc() const;
+#endif
+#ifndef QT_NO_IMAGEIO
+    bool doImageIO( QImageIO* io, int quality ) const;
+#endif
+    friend Q_EXPORT void bitBlt( QImage* dst, int dx, int dy,
+				 const QImage* src, int sx, int sy,
+				 int sw, int sh, int conversion_flags );
+};
+
+
+// QImage stream functions
+
+#if !defined(QT_NO_DATASTREAM) && !defined(QT_NO_IMAGEIO)
+Q_EXPORT QDataStream &operator<<( QDataStream &, const QImage & );
+Q_EXPORT QDataStream &operator>>( QDataStream &, QImage & );
+#endif
+
+#ifndef QT_NO_IMAGEIO
+class QIODevice;
+typedef void (*image_io_handler)( QImageIO * ); // image IO handler
+
+
+struct QImageIOData;
+
+
+class Q_EXPORT QImageIO
+{
+public:
+    QImageIO();
+    QImageIO( QIODevice	 *ioDevice, const char *format );
+    QImageIO( const QString &fileName, const char* format );
+   ~QImageIO();
+
+
+    const QImage &image()	const	{ return im; }
+    int		status()	const	{ return iostat; }
+    const char *format()	const	{ return frmt; }
+    QIODevice  *ioDevice()	const	{ return iodev; }
+    QString	fileName()	const	{ return fname; }
+    int		quality()	const;
+    QString	description()	const	{ return descr; }
+    const char *parameters()	const;
+    float gamma() const;
+
+    void	setImage( const QImage & );
+    void	setStatus( int );
+    void	setFormat( const char * );
+    void	setIODevice( QIODevice * );
+    void	setFileName( const QString & );
+    void	setQuality( int );
+    void	setDescription( const QString & );
+    void	setParameters( const char * );
+    void	setGamma( float );
+
+    bool	read();
+    bool	write();
+
+    static const char* imageFormat( const QString &fileName );
+    static const char *imageFormat( QIODevice * );
+    static QStrList inputFormats();
+    static QStrList outputFormats();
+
+    static void defineIOHandler( const char *format,
+				 const char *header,
+				 const char *flags,
+				 image_io_handler read_image,
+				 image_io_handler write_image );
+
+private:
+    void	init();
+
+    QImage	im;				// image
+    int		iostat;				// IO status
+    QCString	frmt;				// image format
+    QIODevice  *iodev;				// IO device
+    QString	fname;				// file name
+    char       *params;				// image parameters //### change to QImageIOData *d in 3.0
+    QString     descr;				// image description
+    QImageIOData *d;
+
+private:	// Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+    QImageIO( const QImageIO & );
+    QImageIO &operator=( const QImageIO & );
+#endif
+};
+
+#endif //QT_NO_IMAGEIO
+
+Q_EXPORT void bitBlt( QImage* dst, int dx, int dy, const QImage* src,
+		      int sx=0, int sy=0, int sw=-1, int sh=-1,
+		      int conversion_flags=0 );
+
+
+/*****************************************************************************
+  QImage member functions
+ *****************************************************************************/
+
+inline bool QImage::hasAlphaBuffer() const
+{
+    return data->alpha;
+}
+
+inline uchar *QImage::bits() const
+{
+    return data->bits ? data->bits[0] : 0;
+}
+
+inline uchar **QImage::jumpTable() const
+{
+    return data->bits;
+}
+
+inline QRgb *QImage::colorTable() const
+{
+    return data->ctbl;
+}
+
+inline int QImage::numBytes() const
+{
+    return data->nbytes;
+}
+
+inline int QImage::bytesPerLine() const
+{
+    return data->h ? data->nbytes/data->h : 0;
+}
+
+inline QImage QImage::copy(const QRect& r) const
+{
+    return copy(r.x(), r.y(), r.width(), r.height());
+}
+
+inline QRgb QImage::color( int i ) const
+{
+#if defined(QT_CHECK_RANGE)
+    if ( i >= data->ncols )
+	warningIndexRange( "color", i );
+#endif
+    return data->ctbl ? data->ctbl[i] : (QRgb)-1;
+}
+
+inline void QImage::setColor( int i, QRgb c )
+{
+#if defined(QT_CHECK_RANGE)
+    if ( i >= data->ncols )
+	warningIndexRange( "setColor", i );
+#endif
+    if ( data->ctbl )
+	data->ctbl[i] = c;
+}
+
+inline uchar *QImage::scanLine( int i ) const
+{
+#if defined(QT_CHECK_RANGE)
+    if ( i >= data->h )
+	warningIndexRange( "scanLine", i );
+#endif
+    return data->bits ? data->bits[i] : 0;
+}
+
+inline int QImage::dotsPerMeterX() const
+{
+    return data->dpmx;
+}
+
+inline int QImage::dotsPerMeterY() const
+{
+    return data->dpmy;
+}
+
+inline QPoint QImage::offset() const
+{
+    return data->offset;
+}
+
+
+#endif // QIMAGE_H
+
+ +
Trademarks +
Qt 3.3.8
+ -- cgit v1.2.3