xfbgimage.cxx

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/*************************************************************************
 * @file
 * Background image.
 ************************************************************************/
#include <xfilter/xfbgimage.hxx>
#include <xfilter/ixfattrlist.hxx>
#include <xfilter/xfutil.hxx>
#include "xfbase64.hxx"
 
XFBGImage::XFBGImage()
    : m_bUserFileLink(false)
    , m_bRepeate(false)
    , m_bStretch(false)
    , m_bPosition(true)
    , m_eHoriAlign(enumXFAlignCenter)
    , m_eVertAlign(enumXFAlignCenter)
{}
 
void XFBGImage::SetImageData(sal_uInt8 const *buf, int len)
{
    m_strData = XFBase64::Encode(buf,len);
    m_bUserFileLink = false;
}
 
bool    XFBGImage::Equal(IXFStyle * /* pStyle */)
{
    return false;
}
 
void    XFBGImage::ToXml(IXFStream *pStrm)
{
    IXFAttrList *pAttrList = pStrm->GetAttrList();
    pAttrList->Clear();
 
    if( m_bUserFileLink )
    {
        pAttrList->AddAttribute( "xlink:href", m_strFileName);
    }
 
    pAttrList->AddAttribute( "xlink:type", "simple" );
    pAttrList->AddAttribute( "xlink:actuate", "onLoad");
 
    if( m_bPosition )
    {
        OUString str = GetAlignName(m_eVertAlign) + " ";
        if( m_eHoriAlign == enumXFAlignStart )
            str += "left";
        else if( m_eHoriAlign == enumXFAlignCenter )
            str += "center";
        else if( m_eHoriAlign == enumXFAlignEnd )
            str += "right";
 
        pAttrList->AddAttribute( "style:position", str );
        pAttrList->AddAttribute( "style:repeat", "no-repeat" );
    }
    else if( m_bRepeate )
        pAttrList->AddAttribute( "style:repeat", "repeat" );
    else if( m_bStretch )
        pAttrList->AddAttribute( "style:repeat", "stretch" );
 
    pStrm->StartElement( "style:background-image" );
 
    if( !m_bUserFileLink )
    {
        pAttrList->Clear();
        pStrm->StartElement( "office:binary-data" );
        pStrm->Characters(m_strData);
        pStrm->EndElement( "office:binary-data" );
    }
 
    pStrm->EndElement( "style:background-image" );
}
 
bool operator==(XFBGImage const & img1, XFBGImage const & img2)
{
    if( img1.m_bUserFileLink != img2.m_bUserFileLink )
        return false;
    if( img1.m_bUserFileLink )
    {
        if( img1.m_strFileName != img2.m_strFileName )
            return false;
    }
    else
    {
        //I'll not compare the content of the two buffer,it's time consuming.
        return false;
    }
    if( img1.m_bPosition != img2.m_bPosition )
        return false;
    if( img1.m_bRepeate != img2.m_bRepeate )
        return false;
    if( img1.m_bStretch != img2.m_bStretch )
        return false;
    if( img1.m_bPosition )
    {
        if( (img1.m_eHoriAlign != img2.m_eHoriAlign) || (img1.m_eVertAlign != img2.m_eVertAlign) )
            return false;
    }
    return true;
}
 
bool operator!=(XFBGImage const & img1, XFBGImage const & img2)
{
    return !(img1==img2);
}
 
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