1 // Copyright 2017 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/fpdfapi/font/cpdf_cid2unicodemap.h"
8 
9 #include "core/fpdfapi/font/cpdf_fontglobals.h"
10 
CPDF_CID2UnicodeMap(CIDSet charset)11 CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap(CIDSet charset)
12     : m_Charset(charset),
13       m_pEmbeddedMap(
14           CPDF_FontGlobals::GetInstance()->GetEmbeddedToUnicode(m_Charset)) {}
15 
16 CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() = default;
17 
IsLoaded() const18 bool CPDF_CID2UnicodeMap::IsLoaded() const {
19   return !m_pEmbeddedMap.empty();
20 }
21 
UnicodeFromCID(uint16_t cid) const22 wchar_t CPDF_CID2UnicodeMap::UnicodeFromCID(uint16_t cid) const {
23   if (m_Charset == CIDSET_UNICODE)
24     return cid;
25   return cid < m_pEmbeddedMap.size() ? m_pEmbeddedMap[cid] : 0;
26 }
27