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_SIMPLEFONT_H_ 8 #define CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_ 9 10 #include <vector> 11 12 #include "core/fpdfapi/font/cpdf_font.h" 13 #include "core/fpdfapi/font/cpdf_fontencoding.h" 14 #include "core/fxcrt/fx_string.h" 15 #include "core/fxcrt/fx_system.h" 16 17 class CPDF_SimpleFont : public CPDF_Font { 18 public: 19 CPDF_SimpleFont(); 20 ~CPDF_SimpleFont() override; 21 22 // CPDF_Font 23 int GetCharWidthF(uint32_t charcode) override; 24 FX_RECT GetCharBBox(uint32_t charcode) override; 25 int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override; 26 bool IsUnicodeCompatible() const override; 27 WideString UnicodeFromCharCode(uint32_t charcode) const override; 28 uint32_t CharCodeFromUnicode(wchar_t Unicode) const override; 29 GetEncoding()30 CPDF_FontEncoding* GetEncoding() { return &m_Encoding; } 31 32 bool HasFontWidths() const override; 33 34 protected: 35 virtual void LoadGlyphMap() = 0; 36 37 bool LoadCommon(); 38 void LoadSubstFont(); 39 void LoadCharMetrics(int charcode); 40 41 CPDF_FontEncoding m_Encoding; 42 uint16_t m_GlyphIndex[256]; 43 uint16_t m_ExtGID[256]; 44 std::vector<ByteString> m_CharNames; 45 int m_BaseEncoding; 46 uint16_t m_CharWidth[256]; 47 FX_RECT m_CharBBox[256]; 48 bool m_bUseFontWidth; 49 }; 50 51 #endif // CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_ 52