LineStyle.h

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// LineStyle.h   Line style types.
// 
//   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
//   Free Software Foundation, Inc
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
//
// Based on public domain work by Thatcher Ulrich <tu@tulrich.com> 2003

#ifndef GNASH_LINESTYLE_H
#define GNASH_LINESTYLE_H

#include "RGBA.h"
#include "SWF.h"

namespace gnash {
    class SWFStream;
    class movie_definition;
    class RunResources;
}

namespace gnash {

enum CapStyle {
    CAP_ROUND = 0,
    CAP_NONE = 1,
    CAP_SQUARE = 2
};

enum JoinStyle {
    JOIN_ROUND = 0,
    JOIN_BEVEL = 1,
    JOIN_MITER = 2
};
  
class LineStyle 
{
public:

    LineStyle();

    LineStyle(boost::uint16_t width, const rgba& color,
            bool scaleThicknessVertically=true,
            bool scaleThicknessHorizontally=true,
            bool pixelHinting=false,
            bool noClose=false,
            CapStyle startCapStyle=CAP_ROUND,
            CapStyle endCapStyle=CAP_ROUND,
            JoinStyle joinStyle=JOIN_ROUND,
            float miterLimitFactor=1.0f
        )
        :
        m_width(width),
        m_color(color),
        _scaleVertically(scaleThicknessVertically),
        _scaleHorizontally(scaleThicknessHorizontally),
        _pixelHinting(pixelHinting),
        _noClose(noClose),
        _startCapStyle(startCapStyle),
        _endCapStyle(endCapStyle),
        _joinStyle(joinStyle),
        _miterLimitFactor(miterLimitFactor)
    {
    }

    //
    void read(SWFStream& in, SWF::TagType t, movie_definition& md,
            const RunResources& r);
    
    void read_morph(SWFStream& in, SWF::TagType t, movie_definition& md,
            const RunResources& r, LineStyle *pOther);

    boost::uint16_t getThickness() const {
        return m_width;
    }

    bool scaleThicknessVertically() const {
        return _scaleVertically;
    }

    bool scaleThicknessHorizontally() const {
        return _scaleHorizontally;
    }
    
    CapStyle startCapStyle() const {
        return _startCapStyle;
    }
    
    CapStyle endCapStyle() const {
        return _endCapStyle;
    }
    
    JoinStyle joinStyle() const {
        return _joinStyle;
    }
    
    float miterLimitFactor() const {
        return _miterLimitFactor;
    }
  
    bool noClose() const {
        return _noClose;
    }

    bool doPixelHinting() const {
        return _pixelHinting;
    }

    const rgba& get_color() const { return m_color; }

    //
    void set_lerp(const LineStyle& ls1, const LineStyle& ls2, float ratio);
    
private:
    
    boost::uint16_t m_width;

    rgba m_color;

    bool _scaleVertically;

    bool _scaleHorizontally;

    bool _pixelHinting;

    bool _noClose;

    CapStyle _startCapStyle;

    CapStyle _endCapStyle;

    JoinStyle _joinStyle;

    float _miterLimitFactor;
};
    
inline void
setLerp(LineStyle& s, const LineStyle& ls1, const LineStyle& ls2, double ratio) 
{
    s.set_lerp(ls1, ls2, ratio);
}

} // namespace gnash

#endif

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// mode: C++
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