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

experimental/PdfViewer/SkPdfPrinterMarkFormDictionary_autogen.h

 #ifndef __DEFINED__SkPdfPrinterMarkFormDictionary
 #define __DEFINED__SkPdfPrinterMarkFormDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a printer's mark form dictionary
 class SkPdfPrinterMarkFormDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kPrinterMarkFormDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kPrinterMarkFormDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfPrinterMarkFormDictionary* asPrinterMarkFormDictionary() {return this;}
   virtual const SkPdfPrinterMarkFormDictionary* asPrinterMarkFormDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfPrinterMarkFormDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfPrinterMarkFormDictionary& operator=(const SkPdfPrinterMarkFormDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional; PDF 1.4) A text string representing the printer's mark in
+ *  human-readable form, suitable for presentation to the user on the screen.
+**/
+  bool has_MarkStyle() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MarkStyle", "", NULL));
+  }
+
   std::string MarkStyle() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MarkStyle", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional; PDF 1.4) A dictionary identifying the individual colorants
+ *  associated with a printer's mark such as a color bar. For each entry in this
+ *  dictionary, the key is a colorant name and the value is an array defining a
+ *  Separation color space for that colorant (see "Separation Color Spaces"
+ *  on page 201). The key must match the colorant name given in that color
+ *  space.
+**/
+  bool has_Colorants() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Colorants", "", NULL));
+  }
+
   SkPdfDictionary* Colorants() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Colorants", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfPrinterMarkFormDictionary