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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
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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>qimage.h</h1>
+
+<p>This is the verbatim text of the qimage.h include file. It is provided only for illustration; the copyright remains with Trolltech.
+<hr>
+<pre>
+/****************************************************************************
+** $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&lt; (const QImageTextKeyLang&amp; other) const
+ { return key &lt; other.key || key==other.key &amp;&amp; lang &lt; other.lang; }
+ bool operator== (const QImageTextKeyLang&amp; other) const
+ { return key==other.key &amp;&amp; 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&amp;, int depth, int numColors=0,
+ Endian bitOrder=IgnoreEndian );
+#ifndef QT_NO_IMAGEIO
+ QImage( const QString &amp;fileName, const char* format=0 );
+ QImage( const char * const xpm[] );
+ QImage( const QByteArray &amp;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 &amp; );
+ ~QImage();
+
+ QImage &amp;operator=( const QImage &amp; );
+ QImage &amp;operator=( const QPixmap &amp; );
+ bool operator==( const QImage &amp; ) const;
+ bool operator!=( const QImage &amp; ) 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&amp;) const;
+#ifndef QT_NO_MIME
+ static QImage fromMimeSource( const QString&amp; abs_name );
+#endif
+ bool isNull() const { return data-&gt;bits == 0; }
+
+ int width() const { return data-&gt;w; }
+ int height() const { return data-&gt;h; }
+ QSize size() const { return QSize(data-&gt;w,data-&gt;h); }
+ QRect rect() const { return QRect(0,0,data-&gt;w,data-&gt;h); }
+ int depth() const { return data-&gt;d; }
+ int numColors() const { return data-&gt;ncols; }
+ Endian bitOrder() const { return (Endian) data-&gt;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&amp;, 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&amp; 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&amp; s, ScaleMode mode=ScaleFree ) const;
+ QImage scaleWidth( int w ) const;
+ QImage scaleHeight( int h ) const;
+ QImage xForm( const QWMatrix &amp;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 &amp;fileName );
+ static QStrList inputFormats();
+ static QStrList outputFormats();
+#ifndef QT_NO_STRINGLIST
+ static QStringList inputFormatList();
+ static QStringList outputFormatList();
+#endif
+ bool load( const QString &amp;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 &amp;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&amp;);
+#ifndef QT_NO_IMAGE_TEXT
+ QValueList&lt;QImageTextKeyLang&gt; textList() const;
+ QStringList textLanguages() const;
+ QStringList textKeys() const;
+ QString text(const char* key, const char* lang=0) const;
+ QString text(const QImageTextKeyLang&amp;) const;
+ void setText(const char* key, const char* lang, const QString&amp;);
+#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&amp; 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) &amp;&amp; !defined(QT_NO_IMAGEIO)
+Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QImage &amp; );
+Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QImage &amp; );
+#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 &amp;fileName, const char* format );
+ ~QImageIO();
+
+
+ const QImage &amp;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 &amp; );
+ void setStatus( int );
+ void setFormat( const char * );
+ void setIODevice( QIODevice * );
+ void setFileName( const QString &amp; );
+ void setQuality( int );
+ void setDescription( const QString &amp; );
+ void setParameters( const char * );
+ void setGamma( float );
+
+ bool read();
+ bool write();
+
+ static const char* imageFormat( const QString &amp;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 &amp; );
+ QImageIO &amp;operator=( const QImageIO &amp; );
+#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-&gt;alpha;
+}
+
+inline uchar *QImage::bits() const
+{
+ return data-&gt;bits ? data-&gt;bits[0] : 0;
+}
+
+inline uchar **QImage::jumpTable() const
+{
+ return data-&gt;bits;
+}
+
+inline QRgb *QImage::colorTable() const
+{
+ return data-&gt;ctbl;
+}
+
+inline int QImage::numBytes() const
+{
+ return data-&gt;nbytes;
+}
+
+inline int QImage::bytesPerLine() const
+{
+ return data-&gt;h ? data-&gt;nbytes/data-&gt;h : 0;
+}
+
+inline QImage QImage::copy(const QRect&amp; 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 &gt;= data-&gt;ncols )
+ warningIndexRange( "color", i );
+#endif
+ return data-&gt;ctbl ? data-&gt;ctbl[i] : (QRgb)-1;
+}
+
+inline void QImage::setColor( int i, QRgb c )
+{
+#if defined(QT_CHECK_RANGE)
+ if ( i &gt;= data-&gt;ncols )
+ warningIndexRange( "setColor", i );
+#endif
+ if ( data-&gt;ctbl )
+ data-&gt;ctbl[i] = c;
+}
+
+inline uchar *QImage::scanLine( int i ) const
+{
+#if defined(QT_CHECK_RANGE)
+ if ( i &gt;= data-&gt;h )
+ warningIndexRange( "scanLine", i );
+#endif
+ return data-&gt;bits ? data-&gt;bits[i] : 0;
+}
+
+inline int QImage::dotsPerMeterX() const
+{
+ return data-&gt;dpmx;
+}
+
+inline int QImage::dotsPerMeterY() const
+{
+ return data-&gt;dpmy;
+}
+
+inline QPoint QImage::offset() const
+{
+ return data-&gt;offset;
+}
+
+
+#endif // QIMAGE_H
+</pre>
+<!-- eof -->
+<p><address><hr><div align=center>
+<table width=100% cellspacing=0 border=0><tr>
+<td>Copyright &copy; 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>