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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_xmloff.hxx"
30 #include <com/sun/star/style/GraphicLocation.hpp>
31 
32 #include <xmloff/xmlnmspe.hxx>
33 #include <xmloff/xmltoken.hxx>
34 #include <rtl/ustrbuf.hxx>
35 #include <xmloff/xmlexp.hxx>
36 #include "XMLBackgroundImageExport.hxx"
37 #include <xmloff/xmluconv.hxx>
38 
39 using ::rtl::OUString;
40 using ::rtl::OUStringBuffer;
41 
42 using namespace ::com::sun::star;
43 using namespace ::com::sun::star::uno;
44 using namespace ::com::sun::star::style;
45 using namespace ::xmloff::token;
46 
47 XMLBackgroundImageExport::XMLBackgroundImageExport( SvXMLExport& rExp ) :
48 	rExport( rExp )
49 {
50 }
51 
52 XMLBackgroundImageExport::~XMLBackgroundImageExport()
53 {
54 }
55 
56 void XMLBackgroundImageExport::exportXML( const Any& rURL,
57 			const Any *pPos,
58 			const Any *pFilter,
59             const Any *pTransparency,
60 			sal_uInt16 nPrefix,
61 			const ::rtl::OUString& rLocalName )
62 {
63 	GraphicLocation ePos;
64 	if( !(pPos && ((*pPos) >>= ePos)) )
65 		ePos = GraphicLocation_AREA;
66 
67 	OUString sURL;
68 	rURL >>= sURL;
69 	if( sURL.getLength() && GraphicLocation_NONE != ePos )
70 	{
71 		OUString sTempURL( GetExport().AddEmbeddedGraphicObject( sURL ) );
72 		if( sTempURL.getLength() )
73 		{
74 			GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_HREF, sTempURL );
75 			GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE,
76                                       XML_SIMPLE );
77 			GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_ACTUATE,
78                                       XML_ONLOAD );
79 		}
80 
81 		OUStringBuffer aOut;
82 		switch( ePos )
83 		{
84 		case GraphicLocation_LEFT_TOP:
85 		case GraphicLocation_MIDDLE_TOP:
86 		case GraphicLocation_RIGHT_TOP:
87 			aOut.append( GetXMLToken(XML_TOP) );
88 			break;
89 		case GraphicLocation_LEFT_MIDDLE:
90 		case GraphicLocation_MIDDLE_MIDDLE:
91 		case GraphicLocation_RIGHT_MIDDLE:
92 			aOut.append( GetXMLToken(XML_CENTER) );
93 			break;
94 		case GraphicLocation_LEFT_BOTTOM:
95 		case GraphicLocation_MIDDLE_BOTTOM:
96 		case GraphicLocation_RIGHT_BOTTOM:
97 			aOut.append( GetXMLToken(XML_BOTTOM) );
98 			break;
99 		default:
100 			break;
101 		}
102 
103 		if( aOut.getLength() )
104 		{
105 			aOut.append( sal_Unicode( ' ' ) );
106 
107 			switch( ePos )
108 			{
109 			case GraphicLocation_LEFT_TOP:
110 			case GraphicLocation_LEFT_BOTTOM:
111 			case GraphicLocation_LEFT_MIDDLE:
112 				aOut.append( GetXMLToken(XML_LEFT) );
113 				break;
114 			case GraphicLocation_MIDDLE_TOP:
115 			case GraphicLocation_MIDDLE_MIDDLE:
116 			case GraphicLocation_MIDDLE_BOTTOM:
117 				aOut.append( GetXMLToken(XML_CENTER) );
118 				break;
119 			case GraphicLocation_RIGHT_MIDDLE:
120 			case GraphicLocation_RIGHT_TOP:
121 			case GraphicLocation_RIGHT_BOTTOM:
122 				aOut.append( GetXMLToken(XML_RIGHT) );
123 				break;
124 			default:
125 				break;
126 			}
127 		}
128 		if( aOut.getLength() )
129 			GetExport().AddAttribute( XML_NAMESPACE_STYLE,
130 								  XML_POSITION, aOut.makeStringAndClear() );
131 
132 		if( GraphicLocation_AREA == ePos )
133 		{
134 			aOut.append( GetXMLToken(XML_BACKGROUND_STRETCH) );
135 		}
136 		else if( GraphicLocation_NONE != ePos && GraphicLocation_TILED != ePos  )
137 		{
138 			aOut.append( GetXMLToken(XML_BACKGROUND_NO_REPEAT) );
139 		}
140 		if( aOut.getLength() )
141 			GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_REPEAT,
142 						  aOut.makeStringAndClear() );
143 
144 		if( pFilter )
145 		{
146 			OUString sFilter;
147 			(*pFilter) >>= sFilter;
148 			if( sFilter.getLength() )
149 				GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_FILTER_NAME,
150 										  sFilter );
151 		}
152 
153         if( pTransparency )
154         {
155             sal_Int8 nTransparency = sal_Int8();
156             if( (*pTransparency) >>= nTransparency )
157             {
158                 OUStringBuffer aTransOut;
159                 SvXMLUnitConverter::convertPercent( aTransOut, 100-nTransparency );
160                 GetExport().AddAttribute( XML_NAMESPACE_DRAW, XML_OPACITY,
161                                           aTransOut.makeStringAndClear() );
162             }
163         }
164 	}
165 
166 	{
167 		SvXMLElementExport aElem( GetExport(), nPrefix, rLocalName, sal_True, sal_True );
168 		if( sURL.getLength() && GraphicLocation_NONE != ePos )
169 		{
170 			// optional office:binary-data
171 			GetExport().AddEmbeddedGraphicObjectAsBase64( sURL );
172 		}
173 	}
174 }
175