Move core/fpdfapi/fpdf_font to core/fpdfapi/font

core/fpdfapi/fpdf_font/cpdf_type3font.h

-// 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
-
-#ifndef CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_
-#define CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_
-
-#include <map>
-#include <memory>
-
-#include "core/fpdfapi/fpdf_font/cpdf_simplefont.h"
-#include "core/fxcrt/fx_coordinates.h"
-#include "core/fxcrt/fx_system.h"
-
-class CPDF_Dictionary;
-class CPDF_Type3Char;
-
-class CPDF_Type3Font : public CPDF_SimpleFont {
- public:
-  CPDF_Type3Font();
-  ~CPDF_Type3Font() override;
-
-  // CPDF_Font:
-  bool IsType3Font() const override;
-  const CPDF_Type3Font* AsType3Font() const override;
-  CPDF_Type3Font* AsType3Font() override;
-  int GetCharWidthF(uint32_t charcode) override;
-  FX_RECT GetCharBBox(uint32_t charcode) override;
-
-  void SetPageResources(CPDF_Dictionary* pResources) {
-    m_pPageResources = pResources;
-  }
-  CPDF_Type3Char* LoadChar(uint32_t charcode);
-  void CheckType3FontMetrics();
-
-  CFX_Matrix& GetFontMatrix() { return m_FontMatrix; }
-
- protected:
-  CFX_Matrix m_FontMatrix;
-
- private:
-  // CPDF_Font:
-  bool Load() override;
-
-  // CPDF_SimpleFont:
-  void LoadGlyphMap() override {}
-
-  int m_CharWidthL[256];
-  CPDF_Dictionary* m_pCharProcs;
-  CPDF_Dictionary* m_pPageResources;
-  CPDF_Dictionary* m_pFontResources;
-  std::map<uint32_t, std::unique_ptr<CPDF_Type3Char>> m_CacheMap;
-  // The depth char loading is in, to avoid recurive calling LoadChar().
-  int m_CharLoadingDepth;
-};
-
-#endif  // CORE_FPDFAPI_FPDF_FONT_CPDF_TYPE3FONT_H_