qglcolormap.h Include File

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# qglcolormap.h

This is the verbatim text of the qglcolormap.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/qglcolormap.h   3.3.3   edited May 27 2003 $
    **
    ** Definition of QGLColormap class
    **
    ** Created : 20010326
    **
    ** Copyright (C) 1992-2002 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the opengl module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition 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
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QGLCOLORMAP_H
    #define QGLCOLORMAP_H

    #ifndef QT_H
    #include "qcolor.h"
    #include "qmemarray.h"
    #include "qshared.h"
    #endif // QT_H

    #if !defined( QT_MODULE_OPENGL ) || defined( QT_LICENSE_PROFESSIONAL )
    #define QM_EXPORT_OPENGL
    #else
    #define QM_EXPORT_OPENGL Q_EXPORT
    #endif

    class QWidget;
    class QM_EXPORT_OPENGL QGLColormap
    {
    public:
        QGLColormap();
        QGLColormap( const QGLColormap & );
        ~QGLColormap();

        QGLColormap &operator=( const QGLColormap & );

        bool   isEmpty() const;
        int    size() const;
        void   detach();

        void   setEntries( int count, const QRgb * colors, int base = 0 );
        void   setEntry( int idx, QRgb color );
        void   setEntry( int idx, const QColor & color );
        QRgb   entryRgb( int idx ) const;
        QColor entryColor( int idx ) const;
        int    find( QRgb color ) const;
        int    findNearest( QRgb color ) const;

    private:
        class Private : public QShared
        {
        public:
    	Private() {
    	    cells.resize( 256 ); // ### hardcoded to 256 entries for now
    	    cmapHandle = 0;
    	}

    	~Private() {
    	}

    	QMemArray<QRgb> cells;
    	Qt::HANDLE      cmapHandle;
        };

        Private * d;

        friend class QGLWidget;
    };

    #endif