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

experimental/PdfViewer/SkPdfInteractiveFormDictionary_autogen.h

 #ifndef __DEFINED__SkPdfInteractiveFormDictionary
 #define __DEFINED__SkPdfInteractiveFormDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in the interactive form dictionary
 class SkPdfInteractiveFormDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kInteractiveFormDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kInteractiveFormDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfInteractiveFormDictionary* asInteractiveFormDictionary() {return this;}
   virtual const SkPdfInteractiveFormDictionary* asInteractiveFormDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfInteractiveFormDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfInteractiveFormDictionary& operator=(const SkPdfInteractiveFormDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) An array of references to the document's root fields (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 to construct appearance streams and
+ *  appearance dictionaries for all widget annotations in the document (see
+ *  "Variable Text" on page 533). Default value: false.
+**/
+  bool has_NeedAppearances() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "NeedAppearances", "", NULL));
+  }
+
   bool NeedAppearances() const {
     bool ret;
     if (BoolFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "NeedAppearances", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return false;
   }
 
+/** (Optional; PDF 1.3) A set of flags specifying various document-level char-
+ *  acteristics related to signature fields (see Table 8.48, below, and "Signature
+ *  Fields" on page 547). Default value: 0.
+**/
+  bool has_SigFlags() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "SigFlags", "", NULL));
+  }
+
   long SigFlags() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "SigFlags", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Required if any fields in the document have additional-actions dictionaries
+ *  containing a C entry; PDF 1.3) An array of indirect references to field dic-
+ *  tionaries with calculation actions, defining the calculation order in which
+ *  their values will be recalculated when the value of any field changes (see
+ *  Section 8.5.2, "Trigger Events").
+**/
+  bool has_CO() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CO", "", NULL));
+  }
+
   SkPdfArray CO() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CO", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
+/** (Optional) A document-wide default value for the DR attribute of variable
+ *  text fields (see "Variable Text" on page 533).
+**/
+  bool has_DR() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DR", "", NULL));
+  }
+
   SkPdfDictionary* DR() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DR", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) A document-wide default value for the DA attribute of variable
+ *  text fields (see "Variable Text" on page 533).
+**/
+  bool has_DA() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DA", "", NULL));
+  }
+
   std::string DA() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DA", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) A document-wide default value for the Q attribute of variable
+ *  text fields (see "Variable Text" on page 533).
+**/
+  bool has_Q() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Q", "", NULL));
+  }
+
   long Q() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Q", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfInteractiveFormDictionary