Deal with ca and CA transparency operators in pdf. add comments to generated classes.

experimental/PdfViewer/SkPdfFDFTemplateDictionary_autogen.h

 #ifndef __DEFINED__SkPdfFDFTemplateDictionary
 #define __DEFINED__SkPdfFDFTemplateDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in an FDF template dictionary
 class SkPdfFDFTemplateDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kFDFTemplateDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kFDFTemplateDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfFDFTemplateDictionary* asFDFTemplateDictionary() {return this;}
   virtual const SkPdfFDFTemplateDictionary* asFDFTemplateDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfFDFTemplateDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfFDFTemplateDictionary& operator=(const SkPdfFDFTemplateDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) A named page reference dictionary (see Table 8.76) specifying the
+ *  location of the template.
+**/
+  bool has_TRef() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TRef", "", NULL));
+  }
+
   SkPdfDictionary* TRef() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TRef", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) An array of references to FDF field dictionaries (see Table 8.72 on
+ *  page 564) describing the root fields to be imported (those with no ancestors in
+ *  the field hierarchy).
+**/
+  bool has_Fields() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Fields", "", NULL));
+  }
+
   SkPdfArray Fields() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Fields", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
+/** (Optional) A flag specifying whether fields imported from the template may be
+ *  renamed in the event of name conflicts with existing fields; see below for further
+ *  discussion. Default value: true.
+**/
+  bool has_Rename() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Rename", "", NULL));
+  }
+
   bool Rename() const {
     bool ret;
     if (BoolFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Rename", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return false;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfFDFTemplateDictionary