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

experimental/PdfViewer/SkPdfBoxColorInformationDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfBoxColorInformationDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfBoxColorInformationDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfBoxColorInformationDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in a box color information dictionary
 class SkPdfBoxColorInformationDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kBoxColorInformationDictionary_SkPdfObjectType;}
@@ -521,6 +522,14 @@
 
   SkPdfBoxColorInformationDictionary& operator=(const SkPdfBoxColorInformationDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) A box style dictionary (see Table 9.42) specifying the visual characteris-
+ *  tics for displaying guidelines for the page's crop box. This entry is ignored if no crop
+ *  box is defined in the page object.
+**/
+  bool has_CropBox() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CropBox", "", NULL));
+  }
+
   SkPdfDictionary* CropBox() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "CropBox", "", &ret)) return ret;
@@ -528,6 +537,14 @@
     return NULL;
   }
 
+/** (Optional) A box style dictionary (see Table 9.42) specifying the visual characteris-
+ *  tics for displaying guidelines for the page's bleed box. This entry is ignored if no
+ *  bleed box is defined in the page object.
+**/
+  bool has_BleedBox() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BleedBox", "", NULL));
+  }
+
   SkPdfDictionary* BleedBox() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BleedBox", "", &ret)) return ret;
@@ -535,6 +552,14 @@
     return NULL;
   }
 
+/** (Optional) A box style dictionary (see Table 9.42) specifying the visual characteris-
+ *  tics for displaying guidelines for the page's trim box. This entry is ignored if no trim
+ *  box is defined in the page object.
+**/
+  bool has_TrimBox() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TrimBox", "", NULL));
+  }
+
   SkPdfDictionary* TrimBox() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TrimBox", "", &ret)) return ret;
@@ -542,6 +567,14 @@
     return NULL;
   }
 
+/** (Optional) A box style dictionary (see Table 9.42) specifying the visual characteris-
+ *  tics for displaying guidelines for the page's art box. This entry is ignored if no art
+ *  box is defined in the page object.
+**/
+  bool has_ArtBox() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ArtBox", "", NULL));
+  }
+
   SkPdfDictionary* ArtBox() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ArtBox", "", &ret)) return ret;