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37 lines
1.2 KiB
37 lines
1.2 KiB
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fxge/cfx_unicodeencoding.h"
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#include "core/fxcrt/fx_codepage.h"
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#include "core/fxge/cfx_font.h"
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#include "core/fxge/cfx_substfont.h"
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#include "core/fxge/fx_font.h"
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#include "core/fxge/fx_freetype.h"
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CFX_UnicodeEncoding::CFX_UnicodeEncoding(CFX_Font* pFont) : m_pFont(pFont) {}
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CFX_UnicodeEncoding::~CFX_UnicodeEncoding() {}
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uint32_t CFX_UnicodeEncoding::GlyphFromCharCode(uint32_t charcode) {
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FXFT_FaceRec* face = m_pFont->GetFaceRec();
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if (!face)
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return charcode;
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if (FT_Select_Charmap(face, FT_ENCODING_UNICODE) == 0)
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return FT_Get_Char_Index(face, charcode);
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if (m_pFont->GetSubstFont() &&
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m_pFont->GetSubstFont()->m_Charset == FX_CHARSET_Symbol) {
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uint32_t index = 0;
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if (FT_Select_Charmap(face, FT_ENCODING_MS_SYMBOL) == 0)
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index = FT_Get_Char_Index(face, charcode);
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if (!index && !FT_Select_Charmap(face, FT_ENCODING_APPLE_ROMAN))
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return FT_Get_Char_Index(face, charcode);
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}
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return charcode;
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}
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