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

experimental/PdfViewer/SkPdfLabColorSpaceDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfLabColorSpaceDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfLabColorSpaceDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfLabColorSpaceDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in a Lab color space dictionary
 class SkPdfLabColorSpaceDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kLabColorSpaceDictionary_SkPdfObjectType;}
@@ -521,6 +522,15 @@
 
   SkPdfLabColorSpaceDictionary& operator=(const SkPdfLabColorSpaceDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) An array of three numbers [ XW YW ZW ] specifying the tristimulus value,
+ *  in the CIE 1931 XYZ space, of the diffuse white point; see "CalRGB Color Spaces" on
+ *  page 184 for further discussion. The numbers XW and ZW must be positive, and YW
+ *  must be equal to 1.0.
+**/
+  bool has_WhitePoint() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "WhitePoint", "", NULL));
+  }
+
   SkPdfArray WhitePoint() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "WhitePoint", "", &ret)) return ret;
@@ -528,6 +538,15 @@
     return SkPdfArray();
   }
 
+/** (Optional) An array of three numbers [ XB YB ZB ] specifying the tristimulus value, in
+ *  the CIE 1931 XYZ space, of the diffuse black point; see "CalRGB Color Spaces" on
+ *  page 184 for further discussion. All three of these numbers must be nonnegative.
+ *  Default value: [0.0 0.0 0.0].
+**/
+  bool has_BlackPoint() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BlackPoint", "", NULL));
+  }
+
   SkPdfArray BlackPoint() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BlackPoint", "", &ret)) return ret;
@@ -535,6 +554,18 @@
     return SkPdfArray();
   }
 
+/** (Optional) An array of four numbers [ amin amax bmin bmax ] specifying the range of
+ *  valid values for the a* and b* (B and C) components of the color space-that is,
+ *        a min <= a* <= a max
+ *  and
+ *        b min <= b* <= b max
+ *  Component values falling outside the specified range will be adjusted to the nearest
+ *  valid value without error indication. Default value: [ -100 100 -100 100].
+**/
+  bool has_Range() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Range", "", NULL));
+  }
+
   SkPdfArray Range() const {
     SkPdfArray ret;
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Range", "", &ret)) return ret;