fdo#43460: Use isEmpty() instead of getLength() in svgio

Change-Id: I65beeb09285553177a160e260d606e6ba3f1c023
Reviewed-on: https://gerrit.libreoffice.org/4641Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

svgio/source/svgreader/svgstyleattributes.cxx

@@ -1199,7 +1199,7 @@ namespace svgio
 
                         if(pNode)
                         {
-                            if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient  == pNode->getType())
+                            if(SVGTokenLinearGradient == pNode->getType() || SVGTokenRadialGradient == pNode->getType())
                             {
                                 setSvgGradientNodeFill(static_cast< const SvgGradientNode* >(pNode));
                             }
@@ -1790,7 +1790,7 @@ namespace svgio
                     // style="display:none"
                     // taken from a svg example; this needs to be parsed and set at the owning node. Do not call
                     // mrOwner.parseAttribute(...) here, this would lead to a recursion
-                    if(aContent.getLength())
+                    if(!aContent.isEmpty())
                     {
                         mrOwner.setDisplay(getDisplayFromContent(aContent));
                     }
@@ -1798,7 +1798,7 @@ namespace svgio
                 }
                 case SVGTokenBaselineShift:
                 {
-                    if(aContent.getLength())
+                    if(!aContent.isEmpty())
                     {
                         static rtl::OUString aStrSub(rtl::OUString::createFromAscii("sub"));
                         static rtl::OUString aStrSuper(rtl::OUString::createFromAscii("super"));

svgio/source/svgreader/svgtools.cxx

@@ -1169,9 +1169,7 @@ namespace svgio
 
         bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, OUString& rURL)
         {
-            const sal_Int32 nLen(rCandidate.getLength());
-
-            if(nLen)
+            if( !rCandidate.isEmpty() )
             {
                 basegfx::BColor aColor;