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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc.
#include "core/fpdfapi/font/cpdf_cid2unicodemap.h"
#include "core/fpdfapi/cpdf_modulemgr.h"
#include "core/fpdfapi/font/cpdf_cmapmanager.h"
#include "core/fpdfapi/page/cpdf_pagemodule.h"
CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() = default;
CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() = default;
bool CPDF_CID2UnicodeMap::IsLoaded() const {
return !m_pEmbeddedMap.empty();
wchar_t CPDF_CID2UnicodeMap::UnicodeFromCID(uint16_t CID) const {
if (m_Charset == CIDSET_UNICODE)
return CID;
if (CID < m_pEmbeddedMap.size())
return m_pEmbeddedMap[CID];
return 0;
void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, CIDSet charset) {
m_Charset = charset;
CPDF_FontGlobals* pFontGlobals =
m_pEmbeddedMap = pFontGlobals->GetEmbeddedToUnicode(charset);