| // 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. http://www.foxitsoftware.com |
| |
| #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, |
| bool bPromptCJK) { |
| m_Charset = charset; |
| |
| CPDF_FontGlobals* pFontGlobals = |
| CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); |
| |
| m_pEmbeddedMap = pFontGlobals->GetEmbeddedToUnicode(charset); |
| } |