add 'capitalize' option to text-transform - closes #715

bindings/python/mapnik_text_symbolizer.cpp

@@ -189,6 +189,7 @@ void export_text_symbolizer()
         .value("NONE",NONE)
         .value("UPPERCASE",UPPERCASE)
         .value("LOWERCASE",LOWERCASE)
+        .value("CAPITALIZE",CAPITALIZE)
         ;
 
     class_<text_symbolizer>("TextSymbolizer",init<expression_ptr,std::string const&, unsigned,color const&>())

include/mapnik/text_symbolizer.hpp

@@ -86,6 +86,7 @@ enum text_transform
     NONE = 0,
     UPPERCASE,
     LOWERCASE,
+    CAPITALIZE,
     text_transform_MAX
 };
 

src/agg/process_shield_symbolizer.cpp

@@ -61,6 +61,10 @@ void  agg_renderer<T>::process(shield_symbolizer const& sym,
     {
         text = text.toLower();
     }
+    else if ( sym.get_text_transform() == CAPITALIZE)
+    {
+        text = text.toTitle(NULL);
+    }
     
     agg::trans_affine tr;
     boost::array<double,6> const& m = sym.get_transform();

src/agg/process_text_symbolizer.cpp

@@ -55,6 +55,10 @@ void agg_renderer<T>::process(text_symbolizer const& sym,
     {
         text = text.toLower();
     }
+    else if ( sym.get_text_transform() == CAPITALIZE)
+    {
+        text = text.toTitle(NULL);
+    }
 
     if ( text.length() > 0 )
     {

src/text_symbolizer.cpp

@@ -75,6 +75,7 @@ static const char * text_transform_strings[] = {
     "none",
     "uppercase",
     "lowercase",
+    "capitalize",
     ""
 };