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

experimental/PdfViewer/SkPdfCIDFontDescriptorDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfCIDFontDescriptorDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfCIDFontDescriptorDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfCIDFontDescriptorDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional font descriptor entries for CIDFonts
 class SkPdfCIDFontDescriptorDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kCIDFontDescriptorDictionary_SkPdfObjectType;}
@@ -521,6 +522,13 @@
 
   SkPdfCIDFontDescriptorDictionary& operator=(const SkPdfCIDFontDescriptorDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) A dictionary containing entries that describe the style of the glyphs in
+ *  the font (see "Style," above).
+**/
+  bool has_Style() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Style", "", NULL));
+  }
+
   SkPdfDictionary* Style() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Style", "", &ret)) return ret;
@@ -528,6 +536,16 @@
     return NULL;
   }
 
+/** (Optional) A name specifying the language of the font, used for encodings where
+ *  the language is not implied by the encoding itself. The possible values are the
+ *  2-character language codes defined by ISO 639-for example, en for English and ja
+ *  for Japanese. The complete list of these codes be obtained from the International
+ *  Organization for Standardization (see the Bibliography).
+**/
+  bool has_Lang() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Lang", "", NULL));
+  }
+
   std::string Lang() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Lang", "", &ret)) return ret;
@@ -535,6 +553,15 @@
     return "";
   }
 
+/** (Optional) A dictionary whose keys identify a class of characters in a CIDFont.
+ *  Each value is a dictionary containing entries that override the corresponding
+ *  values in the main font descriptor dictionary for that class of characters (see "FD,"
+ *  below).
+**/
+  bool has_FD() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FD", "", NULL));
+  }
+
   SkPdfDictionary* FD() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FD", "", &ret)) return ret;
@@ -542,6 +569,19 @@
     return NULL;
   }
 
+/** (Optional) A stream identifying which CIDs are present in the CIDFont file. If this
+ *  entry is present, the CIDFont contains only a subset of the glyphs in the character
+ *  collection defined by the CIDSystemInfo dictionary. If it is absent, the only indica-
+ *  tion of a CIDFont subset is the subset tag in the FontName entry (see Section 5.5.3,
+ *  "Font Subsets").
+ *  The stream's data is organized as a table of bits indexed by CID. The bits should be
+ *  stored in bytes with the high-order bit first. Each bit corresponds to a CID. The first
+ *  bit of the first byte corresponds to CID 0, the next bit to CID 1, and so on.
+**/
+  bool has_CIDSet() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CIDSet", "", NULL));
+  }
+
   SkPdfStream CIDSet() const {
     SkPdfStream ret;
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CIDSet", "", &ret)) return ret;