xfdrawpath.cxx

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/*************************************************************************
 * @file
 * Draw path object.
 ************************************************************************/
#include <xfilter/xfdrawpath.hxx>
#include <xfilter/ixfattrlist.hxx>
#include <rtl/ustrbuf.hxx>
 
XFSvgPathEntry::XFSvgPathEntry()
{
}
 
OUString XFSvgPathEntry::ToString()
{
    assert(!m_strCommand.isEmpty());
    OUStringBuffer str(m_strCommand);
 
    for (auto const& point : m_aPoints)
    {
        str.append( OUString::number(point.GetX()*1000) + " " + OUString::number(point.GetY()*1000) + " ");
    }
    str.stripEnd(' ');
    return str.makeStringAndClear();
}
 
XFDrawPath::XFDrawPath()
{
}
 
void    XFDrawPath::MoveTo(XFPoint pt)
{
    XFSvgPathEntry  entry;
 
    entry.SetCommand("M");
    entry.AddPoint(pt);
    m_aPaths.push_back(entry);
}
 
void    XFDrawPath::LineTo(XFPoint pt)
{
    XFSvgPathEntry  entry;
 
    entry.SetCommand("L");
    entry.AddPoint(pt);
    m_aPaths.push_back(entry);
}
 
void    XFDrawPath::CurveTo(XFPoint dest, XFPoint ctrl1, XFPoint ctrl2)
{
    XFSvgPathEntry  entry;
 
    entry.SetCommand("C");
    entry.AddPoint(ctrl1);
    entry.AddPoint(ctrl2);
    entry.AddPoint(dest);
 
    m_aPaths.push_back(entry);
}
 
void    XFDrawPath::ClosePath()
{
    XFSvgPathEntry  entry;
 
    entry.SetCommand("Z");
 
    m_aPaths.push_back(entry);
}
 
void    XFDrawPath::ToXml(IXFStream *pStrm)
{
    IXFAttrList *pAttrList = pStrm->GetAttrList();
 
    pAttrList->Clear();
    //view-box:
    XFRect  rect = m_aRect;
 
    OUString strViewBox = "0 0 " +
        OUString::number(rect.GetWidth()*1000) + " " +
        OUString::number(rect.GetHeight()*1000);
    pAttrList->AddAttribute( "svg:viewBox", strViewBox);
 
    //points
    OUStringBuffer strPath;
    for (auto & path : m_aPaths)
    {
        strPath.append(path.ToString());
    }
    if (!strPath.isEmpty())
        strPath.setLength(strPath.getLength()-1);
    pAttrList->AddAttribute( "svg:d", strPath.makeStringAndClear());
 
    SetPosition(rect);
    XFDrawObject::ToXml(pStrm);
 
    pStrm->StartElement( "draw:path" );
    ContentToXml(pStrm);
    pStrm->EndElement( "draw:path" );
}
 
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