xref: /AOO41X/main/xmloff/source/style/XMLBackgroundImageExport.cxx (revision 63bba73cc51e0afb45f8a8d578158724bb5afee8)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmloff.hxx"
26 #include <com/sun/star/style/GraphicLocation.hpp>
27 
28 #include <xmloff/xmlnmspe.hxx>
29 #include <xmloff/xmltoken.hxx>
30 #include <rtl/ustrbuf.hxx>
31 #include <xmloff/xmlexp.hxx>
32 #include "XMLBackgroundImageExport.hxx"
33 #include <xmloff/xmluconv.hxx>
34 
35 using ::rtl::OUString;
36 using ::rtl::OUStringBuffer;
37 
38 using namespace ::com::sun::star;
39 using namespace ::com::sun::star::uno;
40 using namespace ::com::sun::star::style;
41 using namespace ::xmloff::token;
42 
XMLBackgroundImageExport(SvXMLExport & rExp)43 XMLBackgroundImageExport::XMLBackgroundImageExport( SvXMLExport& rExp ) :
44     rExport( rExp )
45 {
46 }
47 
~XMLBackgroundImageExport()48 XMLBackgroundImageExport::~XMLBackgroundImageExport()
49 {
50 }
51 
exportXML(const Any & rURL,const Any * pPos,const Any * pFilter,const Any * pTransparency,sal_uInt16 nPrefix,const::rtl::OUString & rLocalName)52 void XMLBackgroundImageExport::exportXML( const Any& rURL,
53             const Any *pPos,
54             const Any *pFilter,
55             const Any *pTransparency,
56             sal_uInt16 nPrefix,
57             const ::rtl::OUString& rLocalName )
58 {
59     GraphicLocation ePos;
60     if( !(pPos && ((*pPos) >>= ePos)) )
61         ePos = GraphicLocation_AREA;
62 
63     OUString sURL;
64     rURL >>= sURL;
65     if( sURL.getLength() && GraphicLocation_NONE != ePos )
66     {
67         OUString sTempURL( GetExport().AddEmbeddedGraphicObject( sURL ) );
68         if( sTempURL.getLength() )
69         {
70             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_HREF, sTempURL );
71             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE,
72                                       XML_SIMPLE );
73             GetExport().AddAttribute( XML_NAMESPACE_XLINK, XML_ACTUATE,
74                                       XML_ONLOAD );
75         }
76 
77         OUStringBuffer aOut;
78         switch( ePos )
79         {
80         case GraphicLocation_LEFT_TOP:
81         case GraphicLocation_MIDDLE_TOP:
82         case GraphicLocation_RIGHT_TOP:
83             aOut.append( GetXMLToken(XML_TOP) );
84             break;
85         case GraphicLocation_LEFT_MIDDLE:
86         case GraphicLocation_MIDDLE_MIDDLE:
87         case GraphicLocation_RIGHT_MIDDLE:
88             aOut.append( GetXMLToken(XML_CENTER) );
89             break;
90         case GraphicLocation_LEFT_BOTTOM:
91         case GraphicLocation_MIDDLE_BOTTOM:
92         case GraphicLocation_RIGHT_BOTTOM:
93             aOut.append( GetXMLToken(XML_BOTTOM) );
94             break;
95         default:
96             break;
97         }
98 
99         if( aOut.getLength() )
100         {
101             aOut.append( sal_Unicode( ' ' ) );
102 
103             switch( ePos )
104             {
105             case GraphicLocation_LEFT_TOP:
106             case GraphicLocation_LEFT_BOTTOM:
107             case GraphicLocation_LEFT_MIDDLE:
108                 aOut.append( GetXMLToken(XML_LEFT) );
109                 break;
110             case GraphicLocation_MIDDLE_TOP:
111             case GraphicLocation_MIDDLE_MIDDLE:
112             case GraphicLocation_MIDDLE_BOTTOM:
113                 aOut.append( GetXMLToken(XML_CENTER) );
114                 break;
115             case GraphicLocation_RIGHT_MIDDLE:
116             case GraphicLocation_RIGHT_TOP:
117             case GraphicLocation_RIGHT_BOTTOM:
118                 aOut.append( GetXMLToken(XML_RIGHT) );
119                 break;
120             default:
121                 break;
122             }
123         }
124         if( aOut.getLength() )
125             GetExport().AddAttribute( XML_NAMESPACE_STYLE,
126                                   XML_POSITION, aOut.makeStringAndClear() );
127 
128         if( GraphicLocation_AREA == ePos )
129         {
130             aOut.append( GetXMLToken(XML_BACKGROUND_STRETCH) );
131         }
132         else if( GraphicLocation_NONE != ePos && GraphicLocation_TILED != ePos  )
133         {
134             aOut.append( GetXMLToken(XML_BACKGROUND_NO_REPEAT) );
135         }
136         if( aOut.getLength() )
137             GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_REPEAT,
138                           aOut.makeStringAndClear() );
139 
140         if( pFilter )
141         {
142             OUString sFilter;
143             (*pFilter) >>= sFilter;
144             if( sFilter.getLength() )
145                 GetExport().AddAttribute( XML_NAMESPACE_STYLE, XML_FILTER_NAME,
146                                           sFilter );
147         }
148 
149         if( pTransparency )
150         {
151             sal_Int8 nTransparency = sal_Int8();
152             if( (*pTransparency) >>= nTransparency )
153             {
154                 OUStringBuffer aTransOut;
155                 SvXMLUnitConverter::convertPercent( aTransOut, 100-nTransparency );
156                 GetExport().AddAttribute( XML_NAMESPACE_DRAW, XML_OPACITY,
157                                           aTransOut.makeStringAndClear() );
158             }
159         }
160     }
161 
162     {
163         SvXMLElementExport aElem( GetExport(), nPrefix, rLocalName, sal_True, sal_True );
164         if( sURL.getLength() && GraphicLocation_NONE != ePos )
165         {
166             // optional office:binary-data
167             GetExport().AddEmbeddedGraphicObjectAsBase64( sURL );
168         }
169     }
170 }
171