1 // Copyright 2016 The PDFium Authors 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_FONTENCODING_H_ 8 #define CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_ 9 10 #include "core/fxcrt/bytestring.h" 11 #include "core/fxcrt/retain_ptr.h" 12 #include "core/fxcrt/string_pool_template.h" 13 #include "core/fxcrt/weak_ptr.h" 14 15 enum class FontEncoding { 16 kBuiltin = 0, 17 kWinAnsi = 1, 18 kMacRoman = 2, 19 kMacExpert = 3, 20 kStandard = 4, 21 kAdobeSymbol = 5, 22 kZapfDingbats = 6, 23 kPdfDoc = 7, 24 kMsSymbol = 8, 25 }; 26 27 uint32_t CharCodeFromUnicodeForFreetypeEncoding(int encoding, wchar_t unicode); 28 wchar_t UnicodeFromAppleRomanCharCode(uint8_t charcode); 29 30 const uint16_t* UnicodesForPredefinedCharSet(FontEncoding encoding); 31 const char* CharNameFromPredefinedCharSet(FontEncoding encoding, 32 uint8_t charcode); 33 34 class CPDF_Object; 35 36 class CPDF_FontEncoding { 37 public: 38 static constexpr size_t kEncodingTableSize = 256; 39 40 explicit CPDF_FontEncoding(FontEncoding predefined_encoding); 41 42 bool IsIdentical(const CPDF_FontEncoding* pAnother) const; 43 UnicodeFromCharCode(uint8_t charcode)44 wchar_t UnicodeFromCharCode(uint8_t charcode) const { 45 return m_Unicodes[charcode]; 46 } 47 int CharCodeFromUnicode(wchar_t unicode) const; 48 SetUnicode(uint8_t charcode,wchar_t unicode)49 void SetUnicode(uint8_t charcode, wchar_t unicode) { 50 m_Unicodes[charcode] = unicode; 51 } 52 53 RetainPtr<CPDF_Object> Realize(WeakPtr<ByteStringPool> pPool) const; 54 55 private: 56 wchar_t m_Unicodes[kEncodingTableSize] = {}; 57 }; 58 59 #endif // CORE_FPDFAPI_FONT_CPDF_FONTENCODING_H_ 60