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DropShadowFilter.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_DROPSHADOWFILTER_H
00020 #define GNASH_DROPSHADOWFILTER_H
00021 
00022 #include "BitmapFilter.h"
00023 
00024 #include <boost/cstdint.hpp> // for XintXX_t
00025 
00026 namespace gnash {
00027 
00028 // A drop shadow effect filter.
00029 class DropShadowFilter : 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 ~DropShadowFilter() { return; }
00036 
00037     DropShadowFilter() : 
00038         m_distance(0.0f), m_angle(0.0f), 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), m_hideObject(false)
00041     { return; }
00042 
00043     DropShadowFilter(float distance, float angle, boost::uint32_t color,
00044         boost::uint8_t alpha, float blurX, float blurY, float strength,
00045         boost::uint8_t quality, bool inner, bool knockout, bool hideObject) :
00046         m_distance(distance), m_angle(angle), 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         m_hideObject(hideObject)
00050     { return; }
00051 
00052     float m_distance; // Distance of the filter in pixels.
00053     float m_angle; // Angle of the filter.
00054     boost::uint32_t m_color; // RGB color.
00055     boost::uint8_t m_alpha; // Alpha strength, as a percentage(?)
00056     float m_blurX; // horizontal blur
00057     float m_blurY; // vertical blur
00058     float m_strength; // How strong is the filter.
00059     boost::uint8_t m_quality; // How many times to apply the filter.
00060     bool m_inner; // Is this an inner shadow?
00061     bool m_knockout; // If true, render only the filter effect.
00062     bool m_hideObject; // Does this hide the object?
00063 };
00064 
00065 } // Namespace gnash
00066 
00067 #endif // GNASH_DROPSHADOWFILTER_H

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