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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/qcolor-h.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
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| -rw-r--r-- | doc/html/qcolor-h.html | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/doc/html/qcolor-h.html b/doc/html/qcolor-h.html new file mode 100644 index 0000000..27f9bdb --- /dev/null +++ b/doc/html/qcolor-h.html @@ -0,0 +1,274 @@ +<!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/qcolor.h:1 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>qcolor.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>qcolor.h</h1> + +<p>This is the verbatim text of the qcolor.h include file. It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qcolor.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QColor class +** +** Created : 940112 +** +** 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 QCOLOR_H +#define QCOLOR_H + +#ifndef QT_H +#include "qwindowdefs.h" +#include "qstringlist.h" +#endif // QT_H + +const QRgb RGB_MASK = 0x00ffffff; // masks RGB values + +Q_EXPORT inline int qRed( QRgb rgb ) // get red part of RGB +{ return (int)((rgb >> 16) & 0xff); } + +Q_EXPORT inline int qGreen( QRgb rgb ) // get green part of RGB +{ return (int)((rgb >> 8) & 0xff); } + +Q_EXPORT inline int qBlue( QRgb rgb ) // get blue part of RGB +{ return (int)(rgb & 0xff); } + +Q_EXPORT inline int qAlpha( QRgb rgb ) // get alpha part of RGBA +{ return (int)((rgb >> 24) & 0xff); } + +Q_EXPORT inline QRgb qRgb( int r, int g, int b )// set RGB value +{ return (0xff << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); } + +Q_EXPORT inline QRgb qRgba( int r, int g, int b, int a )// set RGBA value +{ return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); } + +Q_EXPORT inline int qGray( int r, int g, int b )// convert R,G,B to gray 0..255 +{ return (r*11+g*16+b*5)/32; } + +Q_EXPORT inline int qGray( QRgb rgb ) // convert RGB to gray 0..255 +{ return qGray( qRed(rgb), qGreen(rgb), qBlue(rgb) ); } + + +class Q_EXPORT QColor +{ +public: + enum Spec { Rgb, Hsv }; + + QColor(); + QColor( int r, int g, int b ); + QColor( int x, int y, int z, Spec ); + QColor( QRgb rgb, uint pixel=0xffffffff); + QColor( const QString& name ); + QColor( const char *name ); + QColor( const QColor & ); + QColor &operator=( const QColor & ); + + bool isValid() const; + bool isDirty() const; + QString name() const; + void setNamedColor( const QString& name ); + + QRgb rgb() const; + void setRgb( int r, int g, int b ); + void setRgb( QRgb rgb ); + void getRgb( int *r, int *g, int *b ) const { rgb( r, g, b ); } + void rgb( int *r, int *g, int *b ) const; // obsolete + + int red() const; + int green() const; + int blue() const; + + void setHsv( int h, int s, int v ); + void getHsv( int *h, int *s, int *v ) const { hsv( h, s, v ); } + void hsv( int *h, int *s, int *v ) const; // obsolete + void getHsv( int &h, int &s, int &v ) const { hsv( &h, &s, &v ); } // obsolete + + QColor light( int f = 150 ) const; + QColor dark( int f = 200 ) const; + + bool operator==( const QColor &c ) const; + bool operator!=( const QColor &c ) const; + + uint alloc(); + uint pixel() const; + +#if defined(Q_WS_X11) + // ### in 4.0, make this take a default argument of -1 for default screen? + uint alloc( int screen ); + uint pixel( int screen ) const; +#endif + + static int maxColors(); + static int numBitPlanes(); + + static int enterAllocContext(); + static void leaveAllocContext(); + static int currentAllocContext(); + static void destroyAllocContext( int ); + +#if defined(Q_WS_WIN) + static const QRgb* palette( int* numEntries = 0 ); + static int setPaletteEntries( const QRgb* entries, int numEntries, + int base = -1 ); + static HPALETTE hPal() { return hpal; } + static uint realizePal( QWidget * ); +#endif + + static void initialize(); + static void cleanup(); +#ifndef QT_NO_STRINGLIST + static QStringList colorNames(); +#endif + enum { Dirt = 0x44495254, Invalid = 0x49000000 }; + +private: + void setSystemNamedColor( const QString& name ); + void setPixel( uint pixel ); + static void initGlobalColors(); + static uint argbToPix32(QRgb); + static QColor* globalColors(); + static bool color_init; + static bool globals_init; +#if defined(Q_WS_WIN) + static HPALETTE hpal; +#endif + static enum ColorModel { d8, d32 } colormodel; + union { + QRgb argb; + struct D8 { + QRgb argb; + uchar pix; + uchar invalid; + uchar dirty; + uchar direct; + } d8; + struct D32 { + QRgb argb; + uint pix; + bool invalid() const { return argb == QColor::Invalid && pix == QColor::Dirt; } + bool probablyDirty() const { return pix == QColor::Dirt; } + } d32; + } d; +}; + + +inline QColor::QColor() +{ d.d32.argb = Invalid; d.d32.pix = Dirt; } + +inline QColor::QColor( int r, int g, int b ) +{ + d.d32.argb = Invalid; + d.d32.pix = Dirt; + setRgb( r, g, b ); +} + +inline QRgb QColor::rgb() const +{ return d.argb; } + +inline int QColor::red() const +{ return qRed(d.argb); } + +inline int QColor::green() const +{ return qGreen(d.argb); } + +inline int QColor::blue() const +{ return qBlue(d.argb); } + +inline bool QColor::isValid() const +{ + if ( colormodel == d8 ) + return !d.d8.invalid; + else + return !d.d32.invalid(); +} + +inline bool QColor::operator==( const QColor &c ) const +{ + return d.argb == c.d.argb && isValid() == c.isValid(); +} + +inline bool QColor::operator!=( const QColor &c ) const +{ + return !operator==(c); +} + + +/***************************************************************************** + QColor stream functions + *****************************************************************************/ + +#ifndef QT_NO_DATASTREAM +Q_EXPORT QDataStream &operator<<( QDataStream &, const QColor & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QColor & ); +#endif + +#endif // QCOLOR_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> |