/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *  Sun Microsystems Inc., October, 2000
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 *  Sun Industry Standards Source License Version 1.1
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 ************************************************************************/
/*************************************************************************
 * @file
 * Circle object.
 ************************************************************************/
/*************************************************************************
 * Change History
 * 2004-2-17 create this file.
 ************************************************************************/
#include	"xfdrawcircle.hxx"
#include	<math.h>
#include	<cstdlib>

XFDrawCircle::XFDrawCircle()
{
    m_fRadius = 0;
    m_fStartAngle = 0;
    m_fEndAngle = 360;
    m_eDrawKind = enumXFDrawKindFull;
    m_bUseAngle = sal_False;
}

XFDrawCircle::XFDrawCircle(XFPoint pt, double radius)
{
    m_aCenterPoint = pt;
    m_fRadius = radius;
    m_fStartAngle = 0;
    m_fEndAngle = 360;
    m_eDrawKind = enumXFDrawKindFull;
    m_bUseAngle = sal_False;
}

void XFDrawCircle::ToXml(IXFStream *pStrm)
{
    IXFAttrList	*pAttrList = pStrm->GetAttrList();

    pAttrList->Clear();
    if( m_bUseAngle )
    {
        double	x1 = m_aCenterPoint.GetX() + m_fRadius*cos(m_fStartAngle*2*PI/360);
        double  x2 = m_aCenterPoint.GetX() + m_fRadius*cos(m_fEndAngle*2*PI/360);
        double  y1 = m_aCenterPoint.GetY() + m_fRadius*sin(m_fStartAngle*2*PI/360);
        double  y2 = m_aCenterPoint.GetY() + m_fRadius*sin(m_fEndAngle*2*PI/360);
        double	width;
        double	height;

        double x11 = MIN3(m_aCenterPoint.GetX()-m_fRadius,x1,x2);
        double x12 = MAX3(m_aCenterPoint.GetX()+m_fRadius,x1,x2);
        double y11 = MIN3(m_aCenterPoint.GetY()-m_fRadius,y1,y2);
        double y12 = MAX3(m_aCenterPoint.GetY()+m_fRadius,y1,y2);
        width = x12-x11;
        height = y12-y11;

        if (width > FLOAT_MIN || height > FLOAT_MIN)
        {
            SetPosition(x11,y11,width,height);
        }

        //
        pAttrList->AddAttribute( A2OUSTR("draw:kind"), GetDrawKind(m_eDrawKind) );
        pAttrList->AddAttribute( A2OUSTR("draw:start-angle"), DoubleToOUString(m_fStartAngle) );
        pAttrList->AddAttribute( A2OUSTR("draw:end-angle"), DoubleToOUString(m_fEndAngle) );
    }
    else
    {
        double	x = m_aCenterPoint.GetX() - m_fRadius;
        double  y = m_aCenterPoint.GetY() - m_fRadius;
        double	width = m_fRadius*2;
        double	height = m_fRadius*2;
        if (width > FLOAT_MIN || height > FLOAT_MIN)
        {
            SetPosition(x,y,width,height);
        }
    }

    XFDrawObject::ToXml(pStrm);

    pStrm->StartElement( A2OUSTR("draw:circle") );
    ContentToXml(pStrm);
    pStrm->EndElement( A2OUSTR("draw:circle") );
}

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