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authorTimothy Pearson <[email protected]>2011-11-08 12:31:36 -0600
committerTimothy Pearson <[email protected]>2011-11-08 12:31:36 -0600
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downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
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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 TQImage and TQImageIO classes
+**
+** Created : 950207
+**
+** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
+**
+** This file is part of the kernel module of the TQt 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 TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing retquirements 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 [email protected].
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** 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 TQIMAGE_H
+#define TQIMAGE_H
+
+#ifndef QT_H
+#include "qpixmap.h"
+#include "qstrlist.h"
+#include "qstringlist.h"
+#endif // QT_H
+
+class TQImageDataMisc; // internal
+#ifndef QT_NO_IMAGE_TEXT
+class Q_EXPORT TQImageTextKeyLang {
+public:
+ TQImageTextKeyLang(const char* k, const char* l) : key(k), lang(l) { }
+ TQImageTextKeyLang() { }
+
+ TQCString key;
+ TQCString lang;
+
+ bool operator&lt; (const TQImageTextKeyLang&amp; other) const
+ { return key &lt; other.key || key==other.key &amp;&amp; lang &lt; other.lang; }
+ bool operator== (const TQImageTextKeyLang&amp; other) const
+ { return key==other.key &amp;&amp; lang==other.lang; }
+};
+#endif //QT_NO_IMAGE_TEXT
+
+
+class Q_EXPORT TQImage
+{
+public:
+ enum Endian { IgnoreEndian, BigEndian, LittleEndian };
+
+ TQImage();
+ TQImage( int width, int height, int depth, int numColors=0,
+ Endian bitOrder=IgnoreEndian );
+ TQImage( const TQSize&amp;, int depth, int numColors=0,
+ Endian bitOrder=IgnoreEndian );
+#ifndef QT_NO_IMAGEIO
+ TQImage( const TQString &amp;fileName, const char* format=0 );
+ TQImage( const char * const xpm[] );
+ TQImage( const TQByteArray &amp;data );
+#endif
+ TQImage( uchar* data, int w, int h, int depth,
+ TQRgb* colortable, int numColors,
+ Endian bitOrder );
+#ifdef Q_WS_QWS
+ TQImage( uchar* data, int w, int h, int depth, int pbl,
+ TQRgb* colortable, int numColors,
+ Endian bitOrder );
+#endif
+ TQImage( const TQImage &amp; );
+ ~TQImage();
+
+ TQImage &amp;operator=( const TQImage &amp; );
+ TQImage &amp;operator=( const TQPixmap &amp; );
+ bool operator==( const TQImage &amp; ) const;
+ bool operator!=( const TQImage &amp; ) const;
+ void detach();
+ TQImage copy() const;
+ TQImage copy(int x, int y, int w, int h, int conversion_flags=0) const;
+ TQImage copy(const TQRect&amp;) const;
+#ifndef QT_NO_MIME
+ static TQImage fromMimeSource( const TQString&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; }
+ TQSize size() const { return TQSize(data-&gt;w,data-&gt;h); }
+ TQRect rect() const { return TQRect(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; }
+
+ TQRgb color( int i ) const;
+ void setColor( int i, TQRgb 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;
+ TQRgb *colorTable() const;
+ int numBytes() const;
+ int bytesPerLine() const;
+
+#ifdef Q_WS_QWS
+ TQGfx * graphicsContext();
+#endif
+
+ bool create( int width, int height, int depth, int numColors=0,
+ Endian bitOrder=IgnoreEndian );
+ bool create( const TQSize&amp;, int depth, int numColors=0,
+ Endian bitOrder=IgnoreEndian );
+ void reset();
+
+ void fill( uint pixel );
+ void invertPixels( bool invertAlpha = TRUE );
+
+ TQImage convertDepth( int ) const;
+#ifndef QT_NO_IMAGE_TRUECOLOR
+ TQImage convertDepthWithPalette( int, TQRgb* p, int pc, int cf=0 ) const;
+#endif
+ TQImage convertDepth( int, int conversion_flags ) const;
+ TQImage convertBitOrder( Endian ) const;
+
+ enum ScaleMode {
+ ScaleFree,
+ ScaleMin,
+ ScaleMax
+ };
+#ifndef QT_NO_IMAGE_SMOOTHSCALE
+ TQImage smoothScale( int w, int h, ScaleMode mode=ScaleFree ) const;
+ TQImage smoothScale( const TQSize&amp; s, ScaleMode mode=ScaleFree ) const;
+#endif
+#ifndef QT_NO_IMAGE_TRANSFORMATION
+ TQImage scale( int w, int h, ScaleMode mode=ScaleFree ) const;
+ TQImage scale( const TQSize&amp; s, ScaleMode mode=ScaleFree ) const;
+ TQImage scaleWidth( int w ) const;
+ TQImage scaleHeight( int h ) const;
+ TQImage xForm( const TQWMatrix &amp;matrix ) const;
+#endif
+
+#ifndef QT_NO_IMAGE_DITHER_TO_1
+ TQImage createAlphaMask( int conversion_flags=0 ) const;
+#endif
+#ifndef QT_NO_IMAGE_HEURISTIC_MASK
+ TQImage createHeuristicMask( bool clipTight=TRUE ) const;
+#endif
+#ifndef QT_NO_IMAGE_MIRROR
+ TQImage mirror() const;
+ TQImage mirror(bool horizontally, bool vertically) const;
+#endif
+ TQImage swapRGB() const;
+
+ static Endian systemBitOrder();
+ static Endian systemByteOrder();
+
+#ifndef QT_NO_IMAGEIO
+ static const char* imageFormat( const TQString &amp;fileName );
+ static TQStrList inputFormats();
+ static TQStrList outputFormats();
+#ifndef QT_NO_STRINGLIST
+ static TQStringList inputFormatList();
+ static TQStringList outputFormatList();
+#endif
+ bool load( const TQString &amp;fileName, const char* format=0 );
+ bool loadFromData( const uchar *buf, uint len,
+ const char *format=0 );
+ bool loadFromData( TQByteArray data, const char* format=0 );
+ bool save( const TQString &amp;fileName, const char* format,
+ int quality=-1 ) const;
+ bool save( TQIODevice * 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;
+ TQRgb 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);
+ TQPoint offset() const;
+ void setOffset(const TQPoint&amp;);
+#ifndef QT_NO_IMAGE_TEXT
+ TQValueList&lt;TQImageTextKeyLang&gt; textList() const;
+ TQStringList textLanguages() const;
+ TQStringList textKeys() const;
+ TQString text(const char* key, const char* lang=0) const;
+ TQString text(const TQImageTextKeyLang&amp;) const;
+ void setText(const char* key, const char* lang, const TQString&amp;);
+#endif
+private:
+ void init();
+ void reinit();
+ void freeBits();
+ static void warningIndexRange( const char *, int );
+
+ struct TQImageData : public TQShared { // 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)
+ TQRgb *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)
+ TQPoint offset; // offset in pixels
+#ifndef QT_NO_IMAGE_TEXT
+ TQImageDataMisc* misc; // less common stuff
+#endif
+ bool ctbl_mine; // this allocated ctbl
+ } *data;
+#ifndef QT_NO_IMAGE_TEXT
+ TQImageDataMisc&amp; misc() const;
+#endif
+#ifndef QT_NO_IMAGEIO
+ bool doImageIO( TQImageIO* io, int quality ) const;
+#endif
+ friend Q_EXPORT void bitBlt( TQImage* dst, int dx, int dy,
+ const TQImage* src, int sx, int sy,
+ int sw, int sh, int conversion_flags );
+};
+
+
+// TQImage stream functions
+
+#if !defined(QT_NO_DATASTREAM) &amp;&amp; !defined(QT_NO_IMAGEIO)
+Q_EXPORT TQDataStream &amp;operator&lt;&lt;( TQDataStream &amp;, const TQImage &amp; );
+Q_EXPORT TQDataStream &amp;operator&gt;&gt;( TQDataStream &amp;, TQImage &amp; );
+#endif
+
+#ifndef QT_NO_IMAGEIO
+class TQIODevice;
+typedef void (*image_io_handler)( TQImageIO * ); // image IO handler
+
+
+struct TQImageIOData;
+
+
+class Q_EXPORT TQImageIO
+{
+public:
+ TQImageIO();
+ TQImageIO( TQIODevice *ioDevice, const char *format );
+ TQImageIO( const TQString &amp;fileName, const char* format );
+ ~TQImageIO();
+
+
+ const TQImage &amp;image() const { return im; }
+ int status() const { return iostat; }
+ const char *format() const { return frmt; }
+ TQIODevice *ioDevice() const { return iodev; }
+ TQString fileName() const { return fname; }
+ int quality() const;
+ TQString description() const { return descr; }
+ const char *parameters() const;
+ float gamma() const;
+
+ void setImage( const TQImage &amp; );
+ void setStatus( int );
+ void setFormat( const char * );
+ void setIODevice( TQIODevice * );
+ void setFileName( const TQString &amp; );
+ void setQuality( int );
+ void setDescription( const TQString &amp; );
+ void setParameters( const char * );
+ void setGamma( float );
+
+ bool read();
+ bool write();
+
+ static const char* imageFormat( const TQString &amp;fileName );
+ static const char *imageFormat( TQIODevice * );
+ static TQStrList inputFormats();
+ static TQStrList 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();
+
+ TQImage im; // image
+ int iostat; // IO status
+ TQCString frmt; // image format
+ TQIODevice *iodev; // IO device
+ TQString fname; // file name
+ char *params; // image parameters //### change to TQImageIOData *d in 3.0
+ TQString descr; // image description
+ TQImageIOData *d;
+
+private: // Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+ TQImageIO( const TQImageIO &amp; );
+ TQImageIO &amp;operator=( const TQImageIO &amp; );
+#endif
+};
+
+#endif //QT_NO_IMAGEIO
+
+Q_EXPORT void bitBlt( TQImage* dst, int dx, int dy, const TQImage* src,
+ int sx=0, int sy=0, int sw=-1, int sh=-1,
+ int conversion_flags=0 );
+
+
+/*****************************************************************************
+ TQImage member functions
+ *****************************************************************************/
+
+inline bool TQImage::hasAlphaBuffer() const
+{
+ return data-&gt;alpha;
+}
+
+inline uchar *TQImage::bits() const
+{
+ return data-&gt;bits ? data-&gt;bits[0] : 0;
+}
+
+inline uchar **TQImage::jumpTable() const
+{
+ return data-&gt;bits;
+}
+
+inline TQRgb *TQImage::colorTable() const
+{
+ return data-&gt;ctbl;
+}
+
+inline int TQImage::numBytes() const
+{
+ return data-&gt;nbytes;
+}
+
+inline int TQImage::bytesPerLine() const
+{
+ return data-&gt;h ? data-&gt;nbytes/data-&gt;h : 0;
+}
+
+inline TQImage TQImage::copy(const TQRect&amp; r) const
+{
+ return copy(r.x(), r.y(), r.width(), r.height());
+}
+
+inline TQRgb TQImage::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] : (TQRgb)-1;
+}
+
+inline void TQImage::setColor( int i, TQRgb 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 *TQImage::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 TQImage::dotsPerMeterX() const
+{
+ return data-&gt;dpmx;
+}
+
+inline int TQImage::dotsPerMeterY() const
+{
+ return data-&gt;dpmy;
+}
+
+inline TQPoint TQImage::offset() const
+{
+ return data-&gt;offset;
+}
+
+
+#endif // TQIMAGE_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>TQt 3.3.8</div>
+</table></div></address></body>
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