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

experimental/PdfViewer/SkPdfType0FunctionDictionary_autogen.h

 #ifndef __DEFINED__SkPdfType0FunctionDictionary
 #define __DEFINED__SkPdfType0FunctionDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a type 0 function dictionary
 class SkPdfType0FunctionDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kType0FunctionDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kType0FunctionDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfType0FunctionDictionary* asType0FunctionDictionary() {return this;}
   virtual const SkPdfType0FunctionDictionary* asType0FunctionDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfType0FunctionDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfType0FunctionDictionary& operator=(const SkPdfType0FunctionDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) An array of m positive integers specifying the number of samples
+ *  in each input dimension of the sample table.
+**/
+  bool has_Size() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Size", "", NULL));
+  }
+
   SkPdfArray Size() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Size", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
+/** (Required) The number of bits used to represent each sample. (If the function
+ *  has multiple output values, each one occupies BitsPerSample bits.) Valid
+ *  values are 1, 2, 4, 8, 12, 16, 24, and 32.
+**/
+  bool has_BitsPerSample() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsPerSample", "", NULL));
+  }
+
   long BitsPerSample() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BitsPerSample", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Optional) The order of interpolation between samples. Valid values are 1
+ *  and 3, specifying linear and cubic spline interpolation, respectively. (See im-
+ *  plementation note 26 in Appendix H.) Default value: 1.
+**/
+  bool has_Order() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Order", "", NULL));
+  }
+
   long Order() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Order", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
+/** (Optional) An array of 2 x m numbers specifying the linear mapping of input
+ *  values into the domain of the function's sample table. Default value:
+ *  [0 (Size0 - 1) 0 (Size1 - 1) ...].
+**/
+  bool has_Encode() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Encode", "", NULL));
+  }
+
   SkPdfArray Encode() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Encode", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
+/** (Optional) An array of 2 x n numbers specifying the linear mapping of sam-
+ *  ple values into the range appropriate for the function's output values. Default
+ *  value: same as the value of Range.
+**/
+  bool has_Decode() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Decode", "", NULL));
+  }
+
   SkPdfArray Decode() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Decode", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfType0FunctionDictionary