1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_ 8 #define CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_ 9 10 #include <map> 11 #include <memory> 12 13 #include "core/fpdfapi/font/cpdf_simplefont.h" 14 #include "core/fxcrt/fx_coordinates.h" 15 #include "core/fxcrt/fx_system.h" 16 17 class CPDF_Dictionary; 18 class CPDF_Type3Char; 19 20 class CPDF_Type3Font : public CPDF_SimpleFont { 21 public: 22 CPDF_Type3Font(); 23 ~CPDF_Type3Font() override; 24 25 // CPDF_Font: 26 bool IsType3Font() const override; 27 const CPDF_Type3Font* AsType3Font() const override; 28 CPDF_Type3Font* AsType3Font() override; 29 int GetCharWidthF(uint32_t charcode) override; 30 FX_RECT GetCharBBox(uint32_t charcode) override; 31 32 void SetPageResources(CPDF_Dictionary* pResources) { 33 m_pPageResources = pResources; 34 } 35 CPDF_Type3Char* LoadChar(uint32_t charcode); 36 void CheckType3FontMetrics(); 37 38 CFX_Matrix& GetFontMatrix() { return m_FontMatrix; } 39 40 protected: 41 CFX_Matrix m_FontMatrix; 42 43 private: 44 // CPDF_Font: 45 bool Load() override; 46 47 // CPDF_SimpleFont: 48 void LoadGlyphMap() override; 49 50 int m_CharWidthL[256]; 51 UnownedPtr<CPDF_Dictionary> m_pCharProcs; 52 UnownedPtr<CPDF_Dictionary> m_pPageResources; 53 UnownedPtr<CPDF_Dictionary> m_pFontResources; 54 std::map<uint32_t, std::unique_ptr<CPDF_Type3Char>> m_CacheMap; 55 // The depth char loading is in, to avoid recurive calling LoadChar(). 56 int m_CharLoadingDepth = 0; 57 }; 58 59 #endif // CORE_FPDFAPI_FONT_CPDF_TYPE3FONT_H_ 60
