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_FXGE_CFX_UNICODEENCODINGEX_H_ 8 #define CORE_FXGE_CFX_UNICODEENCODINGEX_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_system.h" 13 #include "core/fxge/cfx_unicodeencoding.h" 14 15 class CFX_UnicodeEncodingEx final : public CFX_UnicodeEncoding { 16 public: 17 static constexpr uint32_t kInvalidCharCode = static_cast<uint32_t>(-1); 18 19 CFX_UnicodeEncodingEx(CFX_Font* pFont, uint32_t EncodingID); 20 ~CFX_UnicodeEncodingEx() override; 21 22 // CFX_UnicodeEncoding: 23 uint32_t GlyphFromCharCode(uint32_t charcode) override; 24 25 // Returns |kInvalidCharCode| on error. 26 uint32_t CharCodeFromUnicode(wchar_t Unicode) const; 27 28 private: 29 uint32_t m_nEncodingID; 30 }; 31 32 std::unique_ptr<CFX_UnicodeEncodingEx> FX_CreateFontEncodingEx(CFX_Font* pFont); 33 34 #endif // CORE_FXGE_CFX_UNICODEENCODINGEX_H_ 35