Continue splitting pageint.h into per-class files

core/fpdfapi/font/cpdf_type3font.cpp

 // Copyright 2016 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/fpdfapi/font/cpdf_type3font.h"
 
 #include <utility>
 
 #include "core/fpdfapi/font/cpdf_type3char.h"
 #include "core/fpdfapi/page/cpdf_form.h"
 #include "core/fpdfapi/page/pageint.h"
 #include "core/fpdfapi/parser/cpdf_array.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "core/fxcrt/fx_system.h"
 #include "third_party/base/stl_util.h"
 
+#define FPDF_MAX_TYPE3_FORM_LEVEL 4
+
 CPDF_Type3Font::CPDF_Type3Font()
     : m_pCharProcs(nullptr),
       m_pPageResources(nullptr),
       m_pFontResources(nullptr),
       m_CharLoadingDepth(0) {
   FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL));
 }
 
 CPDF_Type3Font::~CPDF_Type3Font() {}
 
@@ skipping 53 matching lines @@
     }
   }
   return true;
 }
 
 void CPDF_Type3Font::CheckType3FontMetrics() {
   CheckFontMetrics();
 }
 
 CPDF_Type3Char* CPDF_Type3Font::LoadChar(uint32_t charcode) {
-  if (m_CharLoadingDepth >= _FPDF_MAX_TYPE3_FORM_LEVEL_)
+  if (m_CharLoadingDepth >= FPDF_MAX_TYPE3_FORM_LEVEL)
     return nullptr;
 
   auto it = m_CacheMap.find(charcode);
   if (it != m_CacheMap.end())
     return it->second.get();
 
   const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_CharNames, charcode);
   if (!name)
     return nullptr;
 
@@ skipping 47 matching lines @@
     return m_CharWidthL[charcode];
 
   const CPDF_Type3Char* pChar = LoadChar(charcode);
   return pChar ? pChar->m_Width : 0;
 }
 
 FX_RECT CPDF_Type3Font::GetCharBBox(uint32_t charcode) {
   const CPDF_Type3Char* pChar = LoadChar(charcode);
   return pChar ? pChar->m_BBox : FX_RECT();
 }