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

experimental/PdfViewer/SkPdfType3FontDictionary_autogen.h

 #ifndef __DEFINED__SkPdfType3FontDictionary
 #define __DEFINED__SkPdfType3FontDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfFontDictionary_autogen.h"
 
+// Entries in a Type 3 font dictionary
 class SkPdfType3FontDictionary : public SkPdfFontDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kType3FontDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType3FontDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfType3FontDictionary* asType3FontDictionary() {return this;}
   virtual const SkPdfType3FontDictionary* asType3FontDictionary() const {return this;}
 
 private:
   virtual SkPdfCIDFontDictionary* asCIDFontDictionary() {return NULL;}
@@ skipping 13 matching lines @@
 
 public:
 private:
 public:
   SkPdfType3FontDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfFontDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfType3FontDictionary& operator=(const SkPdfType3FontDictionary& 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;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) The type of font; must be Type3 for a Type 3 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;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required in PDF 1.0; optional otherwise) See Table 5.8 on page 317.
+**/
+  bool has_Name() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name", "", NULL));
+  }
+
   std::string Name() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) A rectangle (see Section 3.8.3, "Rectangles"), expressed in the
+ *  glyph coordinate system, specifying the font bounding box. This is the small-
+ *  est rectangle enclosing the shape that would result if all of the glyphs of the
+ *  font were placed with their origins coincident and then filled.
+ *  If all four elements of the rectangle are zero, no assumptions are made based
+ *  on the font bounding box. If any element is nonzero, it is essential that the
+ *  font bounding box be accurate; if any glyph's marks fall outside this bound-
+ *  ing box, incorrect behavior may result.
+**/
+  bool has_FontBBox() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontBBox", "", NULL));
+  }
+
   SkRect FontBBox() const {
     SkRect ret;
     if (SkRectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontBBox", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkRect();
   }
 
+/** (Required) An array of six numbers specifying the font matrix, mapping
+ *  glyph space to text space (see Section 5.1.3, "Glyph Positioning and
+ *  Metrics"). A common practice is to define glyphs in terms of a 1000-unit
+**/
+  bool has_FontMatrix() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontMatrix", "", NULL));
+  }
+
   SkPdfArray FontMatrix() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FontMatrix", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfType3FontDictionary