kiconeffect.h

/*
 *
 * This file is part of the KDE project, module tdecore.
 * Copyright (C) 2000 Geert Jansen <jansen@kde.org>
 * with minor additions and based on ideas from
 * Torsten Rahn <torsten@kde.org>
 *
 * This is free software; it comes under the GNU Library General
 * Public License, version 2. See the file "COPYING.LIB" for the
 * exact licensing terms.
 */
 
#ifndef __TDEIconEffect_h_Included__
#define __TDEIconEffect_h_Included__
 
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqcolor.h>
#include <tqrect.h>
#include "tdelibs_export.h"
 
class TQWidget;
 
class TDEIconEffectPrivate;
 
class TDECORE_EXPORT TDEIconEffect
{
public:
    TDEIconEffect();
    ~TDEIconEffect();
 
    enum Effects { NoEffect, ToGray, Colorize, ToGamma, DeSaturate,
                   ToMonochrome,   
           LastEffect };
 
    void init();
 
    bool hasEffect(int group, int state) const;
 
     TQString fingerprint(int group, int state) const;
 
    TQImage apply(TQImage src, int group, int state) const;
 
    // KDE4: make them references
    TQImage apply(TQImage src, int effect, float value, const TQColor rgb, bool trans) const;
    TQImage apply(TQImage src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
 
    TQPixmap apply(TQPixmap src, int group, int state) const;
 
    TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, bool trans) const;
    TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
 
    TQImage doublePixels(TQImage src) const;
 
    static void visualActivate(TQWidget *widget, TQRect rect);
    static void visualActivate(TQWidget *widget, TQRect rect, TQPixmap *pixmap);
 
    static void toGray(TQImage &image, float value);
 
    static void colorize(TQImage &image, const TQColor &col, float value);
 
    static void toMonochrome(TQImage &image, const TQColor &black, const TQColor &white, float value);
 
    static void deSaturate(TQImage &image, float value);
 
    static void toGamma(TQImage &image, float value);
 
    static void semiTransparent(TQImage &image);
 
    static void semiTransparent(TQPixmap &pixmap);
 
    static void overlay(TQImage &src, TQImage &overlay);
 
private:
    int mEffect[6][3];
    float mValue[6][3];
    TQColor mColor[6][3];
    bool mTrans[6][3];
    TDEIconEffectPrivate *d;
};
 
#endif