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

experimental/PdfViewer/SkPdfType0FontDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfType0FontDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfType0FontDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfType0FontDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfFontDictionary_autogen.h"
 
+// Entries in a Type 0 font dictionary
 class SkPdfType0FontDictionary : public SkPdfFontDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kType0FontDictionary_SkPdfObjectType;}
@@ -38,6 +39,13 @@
 
   SkPdfType0FontDictionary& operator=(const SkPdfType0FontDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The type of PDF object that this dictionary describes; must be
+ *  Font for a font 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;
@@ -45,6 +53,12 @@
     return "";
   }
 
+/** (Required) The type of font; must be Type0 for a Type 0 font.
+**/
+  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;
@@ -52,6 +66,20 @@
     return "";
   }
 
+/** (Required) The PostScript name of the font. In principle, this is an arbitrary
+ *  name, since there is no font program associated directly with a Type 0 font
+ *  dictionary. The conventions described here ensure maximum compatibility
+ *  with existing Acrobat products.
+ *  If the descendant is a Type 0 CIDFont, this name should be the concatenation
+ *  of the CIDFont's BaseFont name, a hyphen, and the CMap name given in the
+ *  Encoding entry (or the CMapName entry in the CMap program itself). If the
+ *  descendant is a Type 2 CIDFont, this name should be the same as the
+ *  CIDFont's BaseFont name.
+**/
+  bool has_BaseFont() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BaseFont", "", NULL));
+  }
+
   std::string BaseFont() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BaseFont", "", &ret)) return ret;
@@ -59,6 +87,16 @@
     return "";
   }
 
+/** (Required) The name of a predefined CMap, or a stream containing a CMap
+ *  program, that maps character codes to font numbers and CIDs. If the descen-
+ *  dant is a Type 2 CIDFont whose associated TrueType font program is not em-
+ *  bedded in the PDF file, the Encoding entry must be a predefined CMap name
+ *  (see "Glyph Selection in CIDFonts" on page 339).
+**/
+  bool has_Encoding() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Encoding", "", NULL));
+  }
+
   bool isEncodingAName() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Encoding", "", &ret)) return false;
@@ -85,6 +123,17 @@
     return SkPdfStream();
   }
 
+/** (Required) An array specifying one or more fonts or CIDFonts that are
+ *  descendants of this composite font. This array is indexed by the font number
+ *  that is obtained by mapping a character code through the CMap specified in
+ *  the Encoding entry.
+ *  Note: In all PDF versions up to and including PDF 1.4, DescendantFonts must
+ *  be a one-element array containing a CIDFont dictionary.
+**/
+  bool has_DescendantFonts() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DescendantFonts", "", NULL));
+  }
+
   SkPdfArray DescendantFonts() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DescendantFonts", "", &ret)) return ret;
@@ -92,6 +141,13 @@
     return SkPdfArray();
   }
 
+/** (Optional) A stream containing a CMap file that maps character codes to
+ *  Unicode values (see Section 5.9, "ToUnicode CMaps").
+**/
+  bool has_ToUnicode() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ToUnicode", "", NULL));
+  }
+
   SkPdfStream ToUnicode() const {
     SkPdfStream ret;
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ToUnicode", "", &ret)) return ret;