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GlowFilter.h

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00001 // 
00002 //   Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
00003 // 
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 3 of the License, or
00007 // (at your option) any later version.
00008 // 
00009 // This program is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 // GNU General Public License for more details.
00013 // 
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00017 
00018 
00019 #ifndef GNASH_GLOWFILTER_H
00020 #define GNASH_GLOWFILTER_H
00021 
00022 #include "BitmapFilter.h"
00023 
00024 #include <boost/cstdint.hpp> // for boost::uint32_t
00025 
00026 namespace gnash {
00027 
00028 // A glow effect filter.
00029 class GlowFilter : public BitmapFilter
00030 {
00031 public:
00032     // Fill from a SWFStream. See parser/filter_factory.cpp for the implementations.
00033     virtual bool read(SWFStream& in);
00034 
00035     virtual ~GlowFilter() { return; }
00036 
00037     GlowFilter() : 
00038         m_color(0), m_alpha(0),
00039         m_blurX(0.0f), m_blurY(0.0f),  m_strength(0.0f), m_quality(0),
00040         m_inner(false), m_knockout(false)
00041     { return; }
00042 
00043     GlowFilter(boost::uint32_t color,
00044         boost::uint8_t alpha, float blurX, float blurY, float strength,
00045         boost::uint8_t quality, bool inner, bool knockout) :
00046         m_color(color),
00047         m_alpha(alpha), m_blurX(blurX), m_blurY(blurY), m_strength(strength),
00048         m_quality(quality), m_inner(inner), m_knockout(knockout)
00049     { return; }
00050 
00051     boost::uint32_t m_color; // RGB color.
00052     boost::uint8_t m_alpha; // Alpha strength, as a percentage(?)
00053     float m_blurX; // horizontal blur
00054     float m_blurY; // vertical blur
00055     float m_strength; // How strong is the filter.
00056     boost::uint8_t m_quality; // How many times to apply the filter.
00057     bool m_inner; // Is this an inner shadow?
00058     bool m_knockout; // If true, render only the filter effect.
00059 };
00060 
00061 } // Namespace gnash
00062 
00063 #endif // GNASH_GLOWFILTER_H

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