libcore/GradientGlowFilter.h

   1 //
   2 //   Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   3 //
   4 // This program is free software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation; either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with this program; if not, write to the Free Software
  16 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18
  19 #ifndef GNASH_GRADIENTGLOWFILTER_H
  20 #define GNASH_GRADIENTGLOWFILTER_H
  21
  22 #include "BitmapFilter.h"
  23
  24 #include <vector>
  25 #include <boost/cstdint.hpp> // For C99 int types
  26
  27
  28 namespace gnash {
  29
  30 // A gradient glow effect filter.
  31 class GradientGlowFilter : public BitmapFilter
  32 {
  33 public:
  34     typedef enum
  35     {
  36         INNER_GLOW = 2,
  37         OUTER_GLOW = 1,
  38         FULL_GLOW = 3
  39     } glow_types;
  40
  41     // Fill from a SWFStream. See parser/filter_factory.cpp for the implementations.
  42     virtual bool read(SWFStream& in);
  43
  44     virtual ~GradientGlowFilter() { return; }
  45
  46     GradientGlowFilter() :
  47         m_distance(0.0f), m_angle(0.0f), m_colors(), m_alphas(), m_ratios(),
  48         m_blurX(0.0f), m_blurY(0.0f),  m_strength(0.0f), m_quality(0),
  49         m_type(INNER_GLOW), m_knockout(false)
  50     { return; }
  51
  52     GradientGlowFilter(float distance, float angle,
  53         std::vector<boost::uint32_t> colors,
  54         std::vector<boost::uint8_t> alphas,
  55         std::vector<boost::uint8_t> ratios,
  56         float blurX, float blurY, float strength,
  57         boost::uint8_t quality, glow_types type, bool knockout) :
  58         m_distance(distance), m_angle(angle), m_colors(colors), m_alphas(alphas),
  59         m_ratios(ratios), m_blurX(blurX), m_blurY(blurY), m_strength(strength),
  60         m_quality(quality), m_type(type), m_knockout(knockout)
  61     { return; }
  62
  63     float m_distance; // Distance of the filter in pixels.
  64     float m_angle; // Angle of the filter.
  65     std::vector<boost::uint32_t> m_colors; // Colors of the gradients.
  66     std::vector<boost::uint8_t> m_alphas; // Alphas of the gradients.
  67     std::vector<boost::uint8_t> m_ratios; // Ratios of the gradients.
  68     float m_blurX; // horizontal blur
  69     float m_blurY; // vertical blur
  70     float m_strength; // How strong is the filter.
  71     boost::uint8_t m_quality; // How many times to apply the filter.
  72     glow_types m_type; // What type of effect.
  73     bool m_knockout; // If true, render only the filter effect.
  74 };
  75
  76 } // Namespace gnash
  77
  78 #endif // GNASH_GRADIENTGLOWFILTER_H