core/fpdfapi/fpdf_render/cpdf_type3cache.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_RENDER_CPDF_TYPE3CACHE_H_
#define CORE_FPDFAPI_FPDF_RENDER_CPDF_TYPE3CACHE_H_

#include <map>

#include "core/fpdfapi/fpdf_font/cpdf_type3font.h"
#include "core/fxcrt/include/fx_coordinates.h"
#include "core/fxcrt/include/fx_string.h"
#include "core/fxcrt/include/fx_system.h"

class CPDF_Type3Glyphs;

class CPDF_Type3Cache {
 public:
  explicit CPDF_Type3Cache(CPDF_Type3Font* pFont);
  ~CPDF_Type3Cache();

  CFX_GlyphBitmap* LoadGlyph(uint32_t charcode,
                             const CFX_Matrix* pMatrix,
                             FX_FLOAT retinaScaleX,
                             FX_FLOAT retinaScaleY);

 private:
  CFX_GlyphBitmap* RenderGlyph(CPDF_Type3Glyphs* pSize,
                               uint32_t charcode,
                               const CFX_Matrix* pMatrix,
                               FX_FLOAT retinaScaleX,
                               FX_FLOAT retinaScaleY);

  CPDF_Type3Font* const m_pFont;
  std::map<CFX_ByteString, CPDF_Type3Glyphs*> m_SizeMap;
};

#endif  // CORE_FPDFAPI_FPDF_RENDER_CPDF_TYPE3CACHE_H_