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

experimental/PdfViewer/SkPdfResourceDictionary_autogen.h

 #ifndef __DEFINED__SkPdfResourceDictionary
 #define __DEFINED__SkPdfResourceDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in a resource dictionary
 class SkPdfResourceDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kResourceDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kResourceDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfResourceDictionary* asResourceDictionary() {return this;}
   virtual const SkPdfResourceDictionary* asResourceDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfResourceDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfResourceDictionary& operator=(const SkPdfResourceDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) A dictionary mapping resource names to graphics state parameter
+ *  dictionaries (see Section 4.3.4, "Graphics State Parameter Dictionaries").
+**/
+  bool has_ExtGState() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ExtGState", "", NULL));
+  }
+
   SkPdfDictionary* ExtGState() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ExtGState", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) A dictionary mapping each resource name to either the name of a
+ *  device-dependent color space or an array describing a color space (see Sec-
+ *  tion 4.5, "Color Spaces").
+**/
+  bool has_ColorSpace() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", NULL));
+  }
+
   SkPdfDictionary* ColorSpace() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) A dictionary mapping resource names to pattern objects (see Sec-
+ *  tion 4.6, "Patterns").
+**/
+  bool has_Pattern() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Pattern", "", NULL));
+  }
+
   SkPdfDictionary* Pattern() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Pattern", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional; PDF 1.3) A dictionary mapping resource names to shading dic-
+ *  tionaries (see "Shading Dictionaries" on page 233).
+**/
+  bool has_Shading() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Shading", "", NULL));
+  }
+
   SkPdfDictionary* Shading() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Shading", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) A dictionary mapping resource names to external objects (see Sec-
+ *  tion 4.7, "External Objects").
+**/
+  bool has_XObject() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "XObject", "", NULL));
+  }
+
   SkPdfDictionary* XObject() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "XObject", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) A dictionary mapping resource names to font dictionaries (see
+ *  Chapter 5).
+**/
+  bool has_Font() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Font", "", NULL));
+  }
+
   SkPdfDictionary* Font() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Font", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
+/** (Optional) An array of predefined procedure set names (see Section 9.1,
+ *  "Procedure Sets").
+**/
+  bool has_ProcSet() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ProcSet", "", NULL));
+  }
+
   SkPdfArray ProcSet() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ProcSet", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
+/** (Optional; PDF 1.2) A dictionary mapping resource names to property list
+ *  dictionaries for marked content (see Section 9.5.1, "Property Lists").
+**/
+  bool has_Properties() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Properties", "", NULL));
+  }
+
   SkPdfDictionary* Properties() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Properties", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfResourceDictionary