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kiconeffect.h

00001 /* vi: ts=8 sts=4 sw=4
00002  *
00003  * This file is part of the KDE project, module tdecore.
00004  * Copyright (C) 2000 Geert Jansen <jansen@kde.org>
00005  * with minor additions and based on ideas from
00006  * Torsten Rahn <torsten@kde.org>
00007  *
00008  * This is free software; it comes under the GNU Library General
00009  * Public License, version 2. See the file "COPYING.LIB" for the
00010  * exact licensing terms.
00011  */
00012 
00013 #ifndef __TDEIconEffect_h_Included__
00014 #define __TDEIconEffect_h_Included__
00015 
00016 #include <tqimage.h>
00017 #include <tqpixmap.h>
00018 #include <tqcolor.h>
00019 #include <tqrect.h>
00020 #include "tdelibs_export.h"
00021 
00022 class TQWidget;
00023 
00024 class TDEIconEffectPrivate;
00025 
00034 class TDECORE_EXPORT TDEIconEffect
00035 {
00036 public:
00040     TDEIconEffect();
00041     ~TDEIconEffect();
00042 
00055     enum Effects { NoEffect, ToGray, Colorize, ToGamma, DeSaturate,
00056                    ToMonochrome,   
00057            LastEffect };
00058 
00062     void init();
00063 
00073     bool hasEffect(int group, int state) const;
00074 
00083      TQString fingerprint(int group, int state) const;
00084 
00093     TQImage apply(TQImage src, int group, int state) const;
00094 
00104     // KDE4: make them references
00105     TQImage apply(TQImage src, int effect, float value, const TQColor rgb, bool trans) const;
00109     TQImage apply(TQImage src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
00110 
00118     TQPixmap apply(TQPixmap src, int group, int state) const;
00119 
00129     TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, bool trans) const;
00133     TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
00134 
00140     TQImage doublePixels(TQImage src) const;
00141 
00154     static void visualActivate(TQWidget *widget, TQRect rect);
00155     static void visualActivate(TQWidget *widget, TQRect rect, TQPixmap *pixmap);
00156 
00163     static void toGray(TQImage &image, float value);
00164 
00172     static void colorize(TQImage &image, const TQColor &col, float value);
00173 
00183     static void toMonochrome(TQImage &image, const TQColor &black, const TQColor &white, float value);
00184 
00191     static void deSaturate(TQImage &image, float value);
00192 
00199     static void toGamma(TQImage &image, float value);
00200 
00206     static void semiTransparent(TQImage &image);
00207 
00213     static void semiTransparent(TQPixmap &pixmap);
00214 
00221     static void overlay(TQImage &src, TQImage &overlay);
00222 
00223 private:
00224     int mEffect[6][3];
00225     float mValue[6][3];
00226     TQColor mColor[6][3];
00227     bool mTrans[6][3];
00228     TDEIconEffectPrivate *d;
00229 };
00230 
00231 #endif

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