| // Copyright 2016 The PDFium Authors |
| // 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_RENDER_CPDF_TYPE3CACHE_H_ |
| #define CORE_FPDFAPI_RENDER_CPDF_TYPE3CACHE_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <tuple> |
| |
| #include "core/fxcrt/bytestring.h" |
| #include "core/fxcrt/observed_ptr.h" |
| #include "core/fxcrt/retain_ptr.h" |
| |
| class CFX_GlyphBitmap; |
| class CFX_Matrix; |
| class CPDF_Type3Font; |
| class CPDF_Type3GlyphMap; |
| |
| class CPDF_Type3Cache final : public Retainable, public Observable { |
| public: |
| CONSTRUCT_VIA_MAKE_RETAIN; |
| |
| const CFX_GlyphBitmap* LoadGlyph(uint32_t charcode, |
| const CFX_Matrix& mtMatrix); |
| |
| private: |
| using SizeKey = std::tuple<int, int, int, int>; |
| |
| explicit CPDF_Type3Cache(CPDF_Type3Font* pFont); |
| ~CPDF_Type3Cache() override; |
| |
| std::unique_ptr<CFX_GlyphBitmap> RenderGlyph(CPDF_Type3GlyphMap* pSize, |
| uint32_t charcode, |
| const CFX_Matrix& mtMatrix); |
| |
| RetainPtr<CPDF_Type3Font> const m_pFont; |
| std::map<SizeKey, std::unique_ptr<CPDF_Type3GlyphMap>> m_SizeMap; |
| }; |
| |
| #endif // CORE_FPDFAPI_RENDER_CPDF_TYPE3CACHE_H_ |