/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
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 *  either of the following licenses
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 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  Lesser General Public License for more details.
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 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
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 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
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 ************************************************************************/
/*************************************************************************
 * @file
 * Background image.
 ************************************************************************/
/*************************************************************************
 * Change History
 * 2005-03-01   created.
 ************************************************************************/
#include    "xfbgimage.hxx"
#include    "xfbase64.hxx"

XFBGImage::XFBGImage()
{
    m_bUserFileLink = sal_False;
    m_bRepeate = sal_False;
    m_bStretch = sal_False;
    m_bPosition = sal_True;
    m_eHoriAlign = enumXFAlignCenter;
    m_eVertAlign = enumXFAlignCenter;
}

void XFBGImage::SetImageData(sal_uInt8 *buf, int len)
{
    m_strData = XFBase64::Encode(buf,len);
    m_bUserFileLink = sal_False;
}

sal_Bool    XFBGImage::Equal(IXFStyle *pStyle)
{
    return sal_False;
}

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

    if( m_bUserFileLink )
    {
        pAttrList->AddAttribute( A2OUSTR("xlink:href"), m_strFileName);
    }

    pAttrList->AddAttribute( A2OUSTR("xlink:type"), A2OUSTR("simple") );
    pAttrList->AddAttribute( A2OUSTR("xlink:actuate"), A2OUSTR("onLoad"));

    if( m_bPosition )
    {
        rtl::OUString str = GetAlignName(m_eVertAlign) + A2OUSTR(" ");
        if( m_eHoriAlign == enumXFAlignStart )
            str += A2OUSTR("left");
        else if( m_eHoriAlign == enumXFAlignCenter )
            str += A2OUSTR("center");
        else if( m_eHoriAlign == enumXFAlignEnd )
            str += A2OUSTR("right");

        pAttrList->AddAttribute( A2OUSTR("style:position"), str );
        pAttrList->AddAttribute( A2OUSTR("style:repeat"), A2OUSTR("no-repeat") );
    }
    else if( m_bRepeate )
        pAttrList->AddAttribute( A2OUSTR("style:repeat"), A2OUSTR("repeat") );
    else if( m_bStretch )
        pAttrList->AddAttribute( A2OUSTR("style:repeat"), A2OUSTR("stretch") );

    pStrm->StartElement( A2OUSTR("style:background-image") );

    if( !m_bUserFileLink )
    {
        pAttrList->Clear();
        pStrm->StartElement( A2OUSTR("office:binary-data") );
        pStrm->Characters(m_strData);
        pStrm->EndElement( A2OUSTR("office:binary-data") );
    }

    pStrm->EndElement( A2OUSTR("style:background-image") );
}

bool operator==(XFBGImage& img1, XFBGImage& 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 comsuming.
        return sal_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& img1, XFBGImage& img2)
{
    return !(img1==img2);
}

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