Split apart the remainder of fpdf_render_render.cpp into per-class files.

core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/include/fpdfapi/fpdf_objects.h"
 
 #include <algorithm>
 
 #include "core/include/fpdfapi/cpdf_parser.h"
-#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/fpdf_parser_decode.h"
 #include "core/include/fxcrt/fx_string.h"
 #include "third_party/base/stl_util.h"
 
 CPDF_Object::~CPDF_Object() {}
 
 CPDF_Object* CPDF_Object::GetDirect() const {
   return const_cast<CPDF_Object*>(this);
 }
 
 void CPDF_Object::Release() {
@@ skipping 639 matching lines @@
   CPDF_Array* pArray = GetArrayBy(key);
   if (pArray)
     matrix = pArray->GetMatrix();
   return matrix;
 }
 
 FX_BOOL CPDF_Dictionary::KeyExist(const CFX_ByteStringC& key) const {
   return pdfium::ContainsKey(m_Map, key);
 }
 
+bool CPDF_Dictionary::IsSignatureDict() const {
+  CPDF_Object* pType = GetElementValue("Type");
+  if (!pType)
+    pType = GetElementValue("FT");
+  return pType && pType->GetString() == "Sig";
+}
+
 void CPDF_Dictionary::SetAt(const CFX_ByteStringC& key, CPDF_Object* pObj) {
   ASSERT(IsDictionary());
   // Avoid 2 constructions of CFX_ByteString.
   CFX_ByteString key_bytestring = key;
   auto it = m_Map.find(key_bytestring);
   if (it == m_Map.end()) {
     if (pObj) {
       m_Map.insert(std::make_pair(key_bytestring, pObj));
     }
     return;
@@ skipping 450 matching lines @@
       pObj->Destroy();
       return FALSE;
     }
     it->second->Destroy();
   }
   pObj->m_ObjNum = objnum;
   m_IndirectObjs[objnum] = pObj;
   m_LastObjNum = std::max(m_LastObjNum, objnum);
   return TRUE;
 }