LibreOffice Module xmloff (master)  1
XMLBackgroundImageExport.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
10  *
11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
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14  * ownership. The ASF licenses this file to you under the Apache
15  * License, Version 2.0 (the "License"); you may not use this file
16  * except in compliance with the License. You may obtain a copy of
17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 
21 #include <com/sun/star/style/GraphicLocation.hpp>
22 #include <com/sun/star/graphic/XGraphic.hpp>
23 
24 #include <sax/tools/converter.hxx>
25 
26 #include <xmloff/xmlnamespace.hxx>
27 #include <xmloff/xmltoken.hxx>
28 #include <rtl/ustrbuf.hxx>
29 #include <xmloff/xmlexp.hxx>
31 
32 
33 using namespace ::com::sun::star;
34 using namespace ::com::sun::star::uno;
35 using namespace ::com::sun::star::style;
36 using namespace ::xmloff::token;
37 
39  rExport( rExp )
40 {
41 }
42 
43 void XMLBackgroundImageExport::exportXML( const Any& rGraphicAny,
44  const Any *pPos,
45  const Any *pFilter,
46  const Any *pTransparency,
47  sal_uInt16 nPrefix,
48  const OUString& rLocalName )
49 {
50  GraphicLocation ePos;
51  if( !(pPos && ((*pPos) >>= ePos)) )
52  ePos = GraphicLocation_AREA;
53 
54  uno::Reference<graphic::XGraphic> xGraphic;
55  if (rGraphicAny.has<uno::Reference<graphic::XGraphic>>())
56  xGraphic = rGraphicAny.get<uno::Reference<graphic::XGraphic>>();
57 
58  if (xGraphic.is() && GraphicLocation_NONE != ePos)
59  {
60  OUString sUsedMimeType;
61  OUString sInternalURL(GetExport().AddEmbeddedXGraphic(xGraphic, sUsedMimeType));
62 
63  if (!sInternalURL.isEmpty())
64  {
68  }
69 
70  OUStringBuffer aOut;
71  switch( ePos )
72  {
73  case GraphicLocation_LEFT_TOP:
74  case GraphicLocation_MIDDLE_TOP:
75  case GraphicLocation_RIGHT_TOP:
76  aOut.append( GetXMLToken(XML_TOP) );
77  break;
78  case GraphicLocation_LEFT_MIDDLE:
79  case GraphicLocation_MIDDLE_MIDDLE:
80  case GraphicLocation_RIGHT_MIDDLE:
81  aOut.append( GetXMLToken(XML_CENTER) );
82  break;
83  case GraphicLocation_LEFT_BOTTOM:
84  case GraphicLocation_MIDDLE_BOTTOM:
85  case GraphicLocation_RIGHT_BOTTOM:
86  aOut.append( GetXMLToken(XML_BOTTOM) );
87  break;
88  default:
89  break;
90  }
91 
92  if( !aOut.isEmpty() )
93  {
94  aOut.append( ' ' );
95 
96  switch( ePos )
97  {
98  case GraphicLocation_LEFT_TOP:
99  case GraphicLocation_LEFT_BOTTOM:
100  case GraphicLocation_LEFT_MIDDLE:
101  aOut.append( GetXMLToken(XML_LEFT) );
102  break;
103  case GraphicLocation_MIDDLE_TOP:
104  case GraphicLocation_MIDDLE_MIDDLE:
105  case GraphicLocation_MIDDLE_BOTTOM:
106  aOut.append( GetXMLToken(XML_CENTER) );
107  break;
108  case GraphicLocation_RIGHT_MIDDLE:
109  case GraphicLocation_RIGHT_TOP:
110  case GraphicLocation_RIGHT_BOTTOM:
111  aOut.append( GetXMLToken(XML_RIGHT) );
112  break;
113  default:
114  break;
115  }
116  }
117  if( !aOut.isEmpty() )
119  XML_POSITION, aOut.makeStringAndClear() );
120 
121  if( GraphicLocation_AREA == ePos )
122  {
123  aOut.append( GetXMLToken(XML_STRETCH) );
124  }
125  else if( GraphicLocation_NONE != ePos && GraphicLocation_TILED != ePos )
126  {
127  aOut.append( GetXMLToken(XML_BACKGROUND_NO_REPEAT) );
128  }
129  if( !aOut.isEmpty() )
131  aOut.makeStringAndClear() );
132 
133  if( pFilter )
134  {
135  OUString sFilter;
136  (*pFilter) >>= sFilter;
137  if( !sFilter.isEmpty() )
139  sFilter );
140  }
141 
142  if( pTransparency )
143  {
144  sal_Int8 nTransparency = sal_Int8();
145  if( (*pTransparency) >>= nTransparency )
146  {
147  OUStringBuffer aTransOut;
148  ::sax::Converter::convertPercent(aTransOut, 100-nTransparency);
150  aTransOut.makeStringAndClear() );
151  }
152  }
153  }
154 
155  {
156  SvXMLElementExport aElem(GetExport(), nPrefix, rLocalName, true, true);
157  if (xGraphic.is() && GraphicLocation_NONE != ePos)
158  {
159  // optional office:binary-data
161  }
162  }
163 }
164 
165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
signed char sal_Int8
SvXMLExport & GetExport() const
constexpr sal_uInt16 XML_NAMESPACE_XLINK
css::chart::ChartAxisLabelPosition ePos
void AddAttribute(sal_uInt16 nPrefix, const OUString &rName, const OUString &rValue)
Definition: xmlexp.cxx:911
constexpr sal_uInt16 XML_NAMESPACE_DRAW
void exportXML(const css::uno::Any &rURL, const css::uno::Any *pPos, const css::uno::Any *pFilter, const css::uno::Any *pTransparency, sal_uInt16 nPrefix, const OUString &rLocalName)
static bool convertPercent(sal_Int32 &rValue, std::u16string_view rString)
XMLBackgroundImageExport(SvXMLExport &rExport)
const OUString & GetXMLToken(enum XMLTokenEnum eToken)
return the OUString representation for eToken
Definition: xmltoken.cxx:3510
Handling of tokens in XML:
bool AddEmbeddedXGraphicAsBase64(css::uno::Reference< css::graphic::XGraphic > const &rxGraphic)
Definition: xmlexp.cxx:1880
constexpr sal_uInt16 XML_NAMESPACE_STYLE