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 #include "core/fxge/cfx_unicodeencoding.h" 8 9 #include "core/fxcrt/fx_codepage.h" 10 #include "core/fxge/cfx_font.h" 11 #include "core/fxge/fx_font.h" 12 #include "core/fxge/fx_freetype.h" 13 CFX_UnicodeEncoding(CFX_Font * pFont)14CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont) : m_pFont(pFont) {} 15 ~CFX_UnicodeEncoding()16CFX_UnicodeEncoding::~CFX_UnicodeEncoding() {} 17 GlyphFromCharCode(uint32_t charcode)18uint32_t CFX_UnicodeEncoding::GlyphFromCharCode(uint32_t charcode) { 19 FXFT_Face face = m_pFont->GetFace(); 20 if (!face) 21 return charcode; 22 23 if (FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE) == 0) 24 return FXFT_Get_Char_Index(face, charcode); 25 26 if (m_pFont->GetSubstFont() && 27 m_pFont->GetSubstFont()->m_Charset == FX_CHARSET_Symbol) { 28 uint32_t index = 0; 29 if (FXFT_Select_Charmap(face, FXFT_ENCODING_MS_SYMBOL) == 0) 30 index = FXFT_Get_Char_Index(face, charcode); 31 if (!index && !FXFT_Select_Charmap(face, FXFT_ENCODING_APPLE_ROMAN)) 32 return FXFT_Get_Char_Index(face, charcode); 33 } 34 return charcode; 35 } 36