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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>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 TQColor class
**
** Created : 940112
**
** 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 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.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 TQCOLOR_H
#define TQCOLOR_H
#ifndef QT_H
#include "qwindowdefs.h"
#include "qstringlist.h"
#endif // QT_H
const TQRgb RGB_MASK = 0x00ffffff; // masks RGB values
Q_EXPORT inline int qRed( TQRgb rgb ) // get red part of RGB
{ return (int)((rgb >> 16) & 0xff); }
Q_EXPORT inline int qGreen( TQRgb rgb ) // get green part of RGB
{ return (int)((rgb >> 8) & 0xff); }
Q_EXPORT inline int qBlue( TQRgb rgb ) // get blue part of RGB
{ return (int)(rgb & 0xff); }
Q_EXPORT inline int qAlpha( TQRgb rgb ) // get alpha part of RGBA
{ return (int)((rgb >> 24) & 0xff); }
Q_EXPORT inline TQRgb qRgb( int r, int g, int b )// set RGB value
{ return (0xff << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff); }
Q_EXPORT inline TQRgb 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( TQRgb rgb ) // convert RGB to gray 0..255
{ return qGray( qRed(rgb), qGreen(rgb), qBlue(rgb) ); }
class Q_EXPORT TQColor
{
public:
enum Spec { Rgb, Hsv };
TQColor();
TQColor( int r, int g, int b );
TQColor( int x, int y, int z, Spec );
TQColor( TQRgb rgb, uint pixel=0xffffffff);
TQColor( const TQString& name );
TQColor( const char *name );
TQColor( const TQColor & );
TQColor &operator=( const TQColor & );
bool isValid() const;
bool isDirty() const;
TQString name() const;
void setNamedColor( const TQString& name );
TQRgb rgb() const;
void setRgb( int r, int g, int b );
void setRgb( TQRgb 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
TQColor light( int f = 150 ) const;
TQColor dark( int f = 200 ) const;
bool operator==( const TQColor &c ) const;
bool operator!=( const TQColor &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 TQRgb* palette( int* numEntries = 0 );
static int setPaletteEntries( const TQRgb* entries, int numEntries,
int base = -1 );
static HPALETTE hPal() { return hpal; }
static uint realizePal( TQWidget * );
#endif
static void initialize();
static void cleanup();
#ifndef QT_NO_STRINGLIST
static TQStringList colorNames();
#endif
enum { Dirt = 0x44495254, Invalid = 0x49000000 };
private:
void setSystemNamedColor( const TQString& name );
void setPixel( uint pixel );
static void initGlobalColors();
static uint argbToPix32(TQRgb);
static TQColor* 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 {
TQRgb argb;
struct D8 {
TQRgb argb;
uchar pix;
uchar invalid;
uchar dirty;
uchar direct;
} d8;
struct D32 {
TQRgb argb;
uint pix;
bool invalid() const { return argb == TQColor::Invalid && pix == TQColor::Dirt; }
bool probablyDirty() const { return pix == TQColor::Dirt; }
} d32;
} d;
};
inline TQColor::TQColor()
{ d.d32.argb = Invalid; d.d32.pix = Dirt; }
inline TQColor::TQColor( int r, int g, int b )
{
d.d32.argb = Invalid;
d.d32.pix = Dirt;
setRgb( r, g, b );
}
inline TQRgb TQColor::rgb() const
{ return d.argb; }
inline int TQColor::red() const
{ return qRed(d.argb); }
inline int TQColor::green() const
{ return qGreen(d.argb); }
inline int TQColor::blue() const
{ return qBlue(d.argb); }
inline bool TQColor::isValid() const
{
if ( colormodel == d8 )
return !d.d8.invalid;
else
return !d.d32.invalid();
}
inline bool TQColor::operator==( const TQColor &c ) const
{
return d.argb == c.d.argb && isValid() == c.isValid();
}
inline bool TQColor::operator!=( const TQColor &c ) const
{
return !operator==(c);
}
/*****************************************************************************
TQColor stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT TQDataStream &operator<<( TQDataStream &, const TQColor & );
Q_EXPORT TQDataStream &operator>>( TQDataStream &, TQColor & );
#endif
#endif // TQCOLOR_H
</pre>
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