51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/* Copyright (C) 2003 by Sandro Giessl
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* based on the nice CVS KDesktop KShadowEngine class. thanks!
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* looking forward to see KShadowEngine in kdefx somewhen btw.. :)
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* ------------------------------------------------------------------------
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* these are the original copyright notes:
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* This file is proposed to be part of the KDE libraries.
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* Copyright (C) 2003 Laur Ivan <laurivan@eircom.net>
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*
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* Many thanks to:
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* - Bernardo Hung <deciare@gta.igs.net> for the enhanced shadow
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* algorithm (currently used)
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* - Tim Jansen <tim@tjansen.de> for the API updates and fixes.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __FX_SHADOW
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#define __FX_SHADOW
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#include <qpixmap.h>
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#include <qimage.h>
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#include <qcolor.h>
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class ShadowEngine
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{
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public:
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ShadowEngine();
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~ShadowEngine();
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void setThickness(int thickness) { thickness_ = thickness; }
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void setMultiplicationFactor(double factor) { multiplicationFactor_ = factor; }
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QImage makeShadow(const QPixmap& textPixmap, const QColor &bgColor);
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private:
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double decay(QImage& source, int x, int y);
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int thickness_;
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double multiplicationFactor_;
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};
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#endif
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