Basic support for Type3 Fonts in Pdf + various refactorings

experimental/PdfViewer/autogen/SkPdfMultiMasterFontDictionary_autogen.h

+#ifndef __DEFINED__SkPdfMultiMasterFontDictionary
+#define __DEFINED__SkPdfMultiMasterFontDictionary
+
+#include "SkPdfUtils.h"
+#include "SkPdfEnums_autogen.h"
+#include "SkPdfArray_autogen.h"
+#include "SkPdfType1FontDictionary_autogen.h"
+
+class SkPdfMultiMasterFontDictionary : public SkPdfType1FontDictionary {
+public:
+  virtual SkPdfObjectType getType() const { return kMultiMasterFontDictionary_SkPdfObjectType;}
+  virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kMultiMasterFontDictionary_SkPdfObjectType + 1);}
+public:
+  virtual SkPdfMultiMasterFontDictionary* asMultiMasterFontDictionary() {return this;}
+  virtual const SkPdfMultiMasterFontDictionary* asMultiMasterFontDictionary() const {return this;}
+
+private:
+  virtual SkPdfTrueTypeFontDictionary* asTrueTypeFontDictionary() {return NULL;}
+  virtual const SkPdfTrueTypeFontDictionary* asTrueTypeFontDictionary() const {return NULL;}
+
+  virtual SkPdfType3FontDictionary* asType3FontDictionary() {return NULL;}
+  virtual const SkPdfType3FontDictionary* asType3FontDictionary() const {return NULL;}
+
+public:
+private:
+public:
+  SkPdfMultiMasterFontDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfType1FontDictionary(podofoDoc, podofoObj) {}
+
+  SkPdfMultiMasterFontDictionary(const SkPdfMultiMasterFontDictionary& from) : SkPdfType1FontDictionary(from.fPodofoDoc, from.fPodofoObj) {}
+
+  virtual bool valid() const {return true;}
+
+  SkPdfMultiMasterFontDictionary& operator=(const SkPdfMultiMasterFontDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
+
+  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 "";
+  }
+
+};
+
+#endif  // __DEFINED__SkPdfMultiMasterFontDictionary