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

experimental/PdfViewer/SkPdfEmbeddedFontStreamDictionary_autogen.h

 #ifndef __DEFINED__SkPdfEmbeddedFontStreamDictionary
 #define __DEFINED__SkPdfEmbeddedFontStreamDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries in an embedded font stream dictionary
 class SkPdfEmbeddedFontStreamDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kEmbeddedFontStreamDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kEmbeddedFontStreamDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfEmbeddedFontStreamDictionary* asEmbeddedFontStreamDictionary() {return this;}
   virtual const SkPdfEmbeddedFontStreamDictionary* asEmbeddedFontStreamDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfEmbeddedFontStreamDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfEmbeddedFontStreamDictionary& operator=(const SkPdfEmbeddedFontStreamDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required for Type 1 and TrueType fonts) The length in bytes of the clear-text portion
+ *  of the Type 1 font program (see below), or the entire TrueType font program, after it
+ *  has been decoded using the filters specified by the stream's Filter entry, if any.
+**/
+  bool has_Length1() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length1", "", NULL));
+  }
+
   long Length1() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length1", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Required for Type 1 fonts) The length in bytes of the encrypted portion of the Type 1
+ *  font program (see below) after it has been decoded using the filters specified by the
+ *  stream's Filter entry.
+**/
+  bool has_Length2() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length2", "", NULL));
+  }
+
   long Length2() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length2", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Required for Type 1 fonts) The length in bytes of the fixed-content portion of the
+ *  Type 1 font program (see below), after it has been decoded using the filters specified
+ *  by the stream's Filter entry. If Length3 is 0, it indicates that the 512 zeros and clearto-
+ *  mark have not been included in the FontFile font program and must be added.
+**/
+  bool has_Length3() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length3", "", NULL));
+  }
+
   long Length3() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length3", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Required if referenced from FontFile3; PDF 1.2) A name specifying the format of the
+ *  embedded font program. The name must be Type1C for Type 1 compact fonts or CID-
+ *  FontType0C for Type 0 compact CIDFonts. When additional font formats are added
+ *  to PDF, more values will be defined for Subtype.
+**/
+  bool has_Subtype() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", NULL));
+  }
+
   std::string Subtype() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional; PDF 1.4) A metadata stream containing metadata for the embedded font
+ *  program (see Section 9.2.2, "Metadata Streams").
+**/
+  bool has_Metadata() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Metadata", "", NULL));
+  }
+
   SkPdfStream Metadata() const {
     SkPdfStream ret;
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Metadata", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfStream();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfEmbeddedFontStreamDictionary