LibreOffice Module xmloff (master)  1
shadwhdl.cxx
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19 
20 #include "shadwhdl.hxx"
21 #include <com/sun/star/uno/Any.hxx>
22 #include <rtl/ustrbuf.hxx>
23 
24 
25 #include <com/sun/star/table/ShadowFormat.hpp>
26 #include <o3tl/safeint.hxx>
27 #include <tools/color.hxx>
28 #include <sax/tools/converter.hxx>
29 #include <xmloff/xmluconv.hxx>
30 #include <xmloff/xmltoken.hxx>
31 
32 using namespace ::com::sun::star;
33 using namespace ::xmloff::token;
34 
35 
36 
37 
39 {
40  // nothing to do
41 }
42 
43 bool XMLShadowPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
44 {
45  bool bRet = false;
46  table::ShadowFormat aShadow;
47  aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;
48 
49  bool bColorFound = false;
50  bool bOffsetFound = false;
51  SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
52  Color aColor( 128,128, 128 );
53  OUString aToken;
54 
55  while( aTokenEnum.getNextToken( aToken ) )
56  {
57  if( IsXMLToken( aToken, XML_NONE ) )
58  {
59  aShadow.Location = table::ShadowLocation_NONE;
60  bRet = true;
61  break;
62  }
63  else if( !bColorFound && aToken.startsWith("#") )
64  {
65  bRet = ::sax::Converter::convertColor( aColor, aToken );
66  if( !bRet )
67  return false;
68  bColorFound = true;
69  }
70  else if( !bOffsetFound )
71  {
72  sal_Int32 nX = 0, nY = 0;
73 
74  bRet = rUnitConverter.convertMeasureToCore( nX, aToken );
75  if( bRet && aTokenEnum.getNextToken( aToken ) )
76  bRet = rUnitConverter.convertMeasureToCore( nY, aToken );
77 
78  if( bRet )
79  {
80  if( nX < 0 )
81  {
82  if( nY < 0 )
83  aShadow.Location = table::ShadowLocation_TOP_LEFT;
84  else
85  aShadow.Location = table::ShadowLocation_BOTTOM_LEFT;
86  }
87  else
88  {
89  if( nY < 0 )
90  aShadow.Location = table::ShadowLocation_TOP_RIGHT;
91  else
92  aShadow.Location = table::ShadowLocation_BOTTOM_RIGHT;
93  }
94 
95  if (nX < 0)
97  if (nY < 0)
99 
100  sal_Int32 nWidth;
101  bRet = !o3tl::checked_add(nX, nY, nWidth);
102  if (bRet)
103  aShadow.ShadowWidth = sal::static_int_cast<sal_Int16>(nWidth >> 1);
104  }
105  }
106  }
107 
108  if( bRet && ( bColorFound || bOffsetFound ) )
109  {
110  aShadow.IsTransparent = aColor.GetTransparency() > 0;
111  aShadow.Color = sal_Int32(aColor);
112  bRet = true;
113  }
114 
115  rValue <<= aShadow;
116 
117  return bRet;
118 }
119 
120 bool XMLShadowPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
121 {
122  bool bRet = false;
123  table::ShadowFormat aShadow;
124 
125  if( rValue >>= aShadow )
126  {
127  sal_Int32 nX = 1, nY = 1;
128 
129  switch( aShadow.Location )
130  {
131  case table::ShadowLocation_TOP_LEFT:
132  nX = -1;
133  nY = -1;
134  break;
135  case table::ShadowLocation_TOP_RIGHT:
136  nY = -1;
137  break;
138  case table::ShadowLocation_BOTTOM_LEFT:
139  nX = -1;
140  break;
141  case table::ShadowLocation_BOTTOM_RIGHT:
142  break;
143  case table::ShadowLocation_NONE:
144  default:
145  rStrExpValue = GetXMLToken(XML_NONE);
146  return true;
147  }
148 
149  nX *= aShadow.ShadowWidth;
150  nY *= aShadow.ShadowWidth;
151 
152  OUStringBuffer aOut;
153  ::sax::Converter::convertColor( aOut, aShadow.Color );
154  aOut.append( ' ' );
155  rUnitConverter.convertMeasureToXML( aOut, nX );
156  aOut.append( ' ' );
157  rUnitConverter.convertMeasureToXML( aOut, nY );
158 
159  rStrExpValue = aOut.makeStringAndClear();
160 
161  bRet = true;
162  }
163 
164  return bRet;
165 }
166 
167 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
bool IsXMLToken(const OUString &rString, enum XMLTokenEnum eToken)
compare eToken to the string
Definition: xmltoken.cxx:3434
the SvXMLTypeConverter converts values of various types from their internal representation to the tex...
Definition: xmluconv.hxx:77
sal_uInt8 GetTransparency() const
bool getNextToken(OUString &rToken)
Definition: xmluconv.cxx:449
css::uno::Any const & rValue
Definition: ImageStyle.hxx:38
bool convertMeasureToCore(sal_Int32 &rValue, const OUString &rString, sal_Int32 nMin=SAL_MIN_INT32, sal_Int32 nMax=SAL_MAX_INT32) const
convert string to measure with meCoreMeasureUnit, using optional min and max values ...
Definition: xmluconv.cxx:171
virtual ~XMLShadowPropHdl() override
Definition: shadwhdl.cxx:38
std::enable_if< std::is_signed< T >::value, T >::type saturating_toggle_sign(T a)
virtual bool exportXML(OUString &rStrExpValue, const css::uno::Any &rValue, const SvXMLUnitConverter &rUnitConverter) const override
Exports the given value according to the XML-data-type corresponding to the derived class...
Definition: shadwhdl.cxx:120
std::enable_if< std::is_signed< T >::value, bool >::type checked_add(T a, T b, T &result)
virtual bool importXML(const OUString &rStrImpValue, css::uno::Any &rValue, const SvXMLUnitConverter &rUnitConverter) const override
Imports the given value according to the XML-data-type corresponding to the derived class...
Definition: shadwhdl.cxx:43
const OUString & GetXMLToken(enum XMLTokenEnum eToken)
return the OUString representation for eToken
Definition: xmltoken.cxx:3378
static bool convertColor(sal_Int32 &rColor, const OUString &rValue)
Handling of tokens in XML:
void convertMeasureToXML(OUStringBuffer &rBuffer, sal_Int32 nMeasure) const
convert measure to string: from meCoreMeasureUnit to meXMLMeasureUnit
Definition: xmluconv.cxx:181