writerfilter: these are expected to be UTF-8

Change-Id: I8cd2ce341996a219ee885969de3482be422730b3

writerfilter/source/dmapper/BorderHandler.cxx

@@ -67,7 +67,7 @@ void BorderHandler::lcl_attribute(Id rName, Value & rVal)
         break;
         case NS_ooxml::LN_CT_Border_color:
             m_nLineColor = nIntValue;
-            appendGrabBag("color", OStringToOUString(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true), RTL_TEXTENCODING_UTF8));
+            appendGrabBag("color", OUString::fromUtf8(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true)));
         break;
         case NS_ooxml::LN_CT_Border_space: // border distance in points
             m_nLineDistance = ConversionHelper::convertTwipToMM100( nIntValue * 20 );

writerfilter/source/dmapper/CellColorHandler.cxx

@@ -106,13 +106,13 @@ void CellColorHandler::lcl_attribute(Id rName, Value & rVal)
         }
         break;
         case NS_ooxml::LN_CT_Shd_fill:
-            createGrabBag("fill", uno::makeAny(OStringToOUString(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true), RTL_TEXTENCODING_UTF8)));
+            createGrabBag("fill", uno::makeAny(OUString::fromUtf8(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true))));
             if( nIntValue == OOXML_COLOR_AUTO )
                 nIntValue = 0xffffff; //fill color auto means white
             m_nFillColor = nIntValue;
         break;
         case NS_ooxml::LN_CT_Shd_color:
-            createGrabBag("color", uno::makeAny(OStringToOUString(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true), RTL_TEXTENCODING_UTF8)));
+            createGrabBag("color", uno::makeAny(OUString::fromUtf8(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true))));
             if( nIntValue == OOXML_COLOR_AUTO )
                 nIntValue = 0; //shading color auto means black
             //color of the shading

writerfilter/source/dmapper/DomainMapper.cxx

@@ -277,7 +277,7 @@ void DomainMapper::lcl_attribute(Id nName, Value & val)
         case NS_ooxml::LN_CT_Color_val:
             if (m_pImpl->GetTopContext())
                 m_pImpl->GetTopContext()->Insert(PROP_CHAR_COLOR, uno::makeAny( nIntValue ) );
-            m_pImpl->appendGrabBag(m_pImpl->m_aSubInteropGrabBag, "val", OStringToOUString(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true), RTL_TEXTENCODING_UTF8));
+            m_pImpl->appendGrabBag(m_pImpl->m_aSubInteropGrabBag, "val", OUString::fromUtf8(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true)));
             break;
         case NS_ooxml::LN_CT_Underline_color:
             if (m_pImpl->GetTopContext())

writerfilter/source/dmapper/TDefTableHandler.cxx

@@ -292,7 +292,7 @@ void TDefTableHandler::lcl_attribute(Id rName, Value & rVal)
             appendGrabBag("val", TDefTableHandler::getBorderTypeString(nIntValue));
         break;
         case NS_ooxml::LN_CT_Border_color:
-            appendGrabBag("color", OStringToOUString(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true), RTL_TEXTENCODING_UTF8));
+            appendGrabBag("color", OUString::fromUtf8(msfilter::util::ConvertColor(nIntValue, /*bAutoColor=*/true)));
             m_nLineColor = nIntValue;
         break;
         case NS_ooxml::LN_CT_Border_space:

writerfilter/source/rtftok/rtfsdrimport.cxx

@@ -357,11 +357,11 @@ void RTFSdrImport::resolve(RTFShape& rShape, bool bClose, ShapeOrPict const shap
                 xPropertySet->setPropertyValue("FillColor", aAny);
 
             // fillType will decide, possible it'll be the start color of a gradient.
-            aFillModel.moColor.set(OUString("#") + OStringToOUString(msfilter::util::ConvertColor(aAny.get<sal_Int32>()), RTL_TEXTENCODING_UTF8));
+            aFillModel.moColor.set(OUString("#") + OUString::fromUtf8(msfilter::util::ConvertColor(aAny.get<sal_Int32>())));
         }
         else if (i->first == "fillBackColor")
             // fillType will decide, possible it'll be the end color of a gradient.
-            aFillModel.moColor2.set(OUString("#") + OStringToOUString(msfilter::util::ConvertColor(msfilter::util::BGRToRGB(i->second.toInt32())), RTL_TEXTENCODING_UTF8));
+            aFillModel.moColor2.set(OUString("#") + OUString::fromUtf8(msfilter::util::ConvertColor(msfilter::util::BGRToRGB(i->second.toInt32()))));
         else if (i->first == "lineColor")
             aLineColor <<= msfilter::util::BGRToRGB(i->second.toInt32());
         else if (i->first == "lineBackColor")
@@ -564,7 +564,7 @@ void RTFSdrImport::resolve(RTFShape& rShape, bool bClose, ShapeOrPict const shap
                 aShadowModel.mbHasShadow = true;
         }
         else if (i->first == "shadowColor")
-            aShadowModel.moColor.set(OUString("#") + OStringToOUString(msfilter::util::ConvertColor(msfilter::util::BGRToRGB(i->second.toInt32())), RTL_TEXTENCODING_UTF8));
+            aShadowModel.moColor.set(OUString("#") + OUString::fromUtf8(msfilter::util::ConvertColor(msfilter::util::BGRToRGB(i->second.toInt32()))));
         else if (i->first == "shadowOffsetX")
             // EMUs to points
             aShadowModel.moOffset.set(OUString::number(i->second.toDouble() / 12700) + "pt");