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/* Copyright (C) 2005 Gerd Fleischer <gerdfleischer@web.de>
* Copyright (C) 2003 by Sandro Giessl
* based on the nice CVS KDesktop KShadowEngine class. thanks!
* looking forward to see KShadowEngine in kdefx somewhen btw.. :)
* ------------------------------------------------------------------------
* these are the original copyright notes:
* This file is proposed to be part of the KDE libraries.
* Copyright (C) 2003 Laur Ivan <laurivan@eircom.net>
*
* Many thanks to:
* - Bernardo Hung <deciare@gta.igs.net> for the enhanced shadow
* algorithm (currently used)
* - Tim Jansen <tim@tjansen.de> for the API updates and fixes.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
#ifndef __FX_SHADOW
#define __FX_SHADOW
#include <qpixmap.h>
#include <qimage.h>
#include <qcolor.h>
class ShadowEngine
{
public:
ShadowEngine();
~ShadowEngine();
void setThickness(int thickness) { thickness_ = thickness; }
void setMultiplicationFactor(float factor) { multiplicationFactor_ = factor; }
QImage makeShadow(const QPixmap& textPixmap, const QColor &bgColor);
private:
float decay(QImage& source, int x, int y);
int thickness_;
float multiplicationFactor_;
};
#endif
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