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

experimental/PdfViewer/SkPdfType5HalftoneDictionary_autogen.h

 #ifndef __DEFINED__SkPdfType5HalftoneDictionary
 #define __DEFINED__SkPdfType5HalftoneDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in a type 5 halftone dictionary
 class SkPdfType5HalftoneDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kType5HalftoneDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType5HalftoneDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfType5HalftoneDictionary* asType5HalftoneDictionary() {return this;}
   virtual const SkPdfType5HalftoneDictionary* asType5HalftoneDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfType5HalftoneDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfType5HalftoneDictionary& operator=(const SkPdfType5HalftoneDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) The type of PDF object that this dictionary describes; if present,
+ *  must be Halftone for a halftone dictionary.
+**/
+  bool has_Type() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", NULL));
+  }
+
   std::string Type() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) A code identifying the halftone type that this dictionary describes;
+ *  must be 5 for this type of halftone.
+**/
+  bool has_HalftoneType() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "HalftoneType", "", NULL));
+  }
+
   double HalftoneType() const {
     double ret;
     if (DoubleFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "HalftoneType", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Optional) The name of the halftone dictionary.
+**/
+  bool has_HalftoneName() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "HalftoneName", "", NULL));
+  }
+
   std::string HalftoneName() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "HalftoneName", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required, one per colorant) The halftone corresponding to the colorant or
+ *  color component named by the key. The halftone may be of any type other
+ *  than 5. Note that the key must be a name object; strings are not permitted, as
+ *  they are in type 5 PostScript halftone dictionaries.
+**/
 /*
   bool has_[any_colorant_name]() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "[any_colorant_name]", "", NULL));
   }
+
   bool is[any_colorant_name]ADictionary() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "[any_colorant_name]", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Dictionary;
   }
 
   SkPdfDictionary* get[any_colorant_name]AsDictionary() const {
     SkPdfDictionary* ret = NULL;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "[any_colorant_name]", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
   bool is[any_colorant_name]AStream() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "[any_colorant_name]", "", &ret)) return false;
     return ret->podofo()->HasStream();
   }
 
   SkPdfStream get[any_colorant_name]AsStream() const {
     SkPdfStream ret = SkPdfStream();
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "[any_colorant_name]", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfStream();
   }
 
 */
+/** (Required) A halftone to be used for any colorant or color component that
+ *  does not have an entry of its own. The value may not be a type 5 halftone. If
+ *  there are any nonprimary colorants, the default halftone must have a transfer
+ *  function.
+**/
+  bool has_Default() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Default", "", NULL));
+  }
+
   bool isDefaultADictionary() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Default", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Dictionary;
   }
 
   SkPdfDictionary* getDefaultAsDictionary() const {
     SkPdfDictionary* ret = NULL;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Default", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
   bool isDefaultAStream() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Default", "", &ret)) return false;
     return ret->podofo()->HasStream();
   }
 
   SkPdfStream getDefaultAsStream() const {
     SkPdfStream ret = SkPdfStream();
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Default", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfStream();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfType5HalftoneDictionary