ogfxeffect.h

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/* This file is part of the KDE libraries
    Copyright (C) 1998, 1999 Christian Tibirna <ctibirna@total.net>
              (C) 1998, 1999 Daniel M. Duley <mosfet@kde.org>
              (C) 1998, 1999 Dirk A. Mueller <mueller@kde.org>

*/

// $Id: ogfxeffect.h,v 1.2 2002/11/01 16:07:10 sandman Exp $

#ifndef __OGFX_EFFECT_H
#define __OGFX_EFFECT_H

#include <qpixmap.h>
#include <qimage.h>

class OGfxEffect
{
public:
    enum GradientType { VerticalGradient, HorizontalGradient,
                        DiagonalGradient, CrossDiagonalGradient,
                        PyramidGradient, RectangleGradient,
                        PipeCrossGradient, EllipticGradient };
    enum RGBComponent { Red, Green, Blue };

    enum Lighting {NorthLite, NWLite, WestLite, SWLite,
                   SouthLite, SELite, EastLite, NELite};

    static QPixmap& gradient(QPixmap& pixmap, const QColor &ca, const QColor &cb,
                            GradientType type, int ncols=3);

        static QImage gradient (const QSize &size, const QColor &ca, const QColor &cb,
                            GradientType type, int ncols=3);


    static QPixmap& blend(QPixmap& pixmap, float initial_intensity,
                         const QColor &bgnd, GradientType eff,
                         bool anti_dir=false, int ncols=3);


        static QImage& blend(QImage &image, float initial_intensity,
                            const QColor &bgnd, GradientType eff,
                            bool anti_dir);
};


#endif

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