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_cmapmanager.h" 8 9 #include <utility> 10 11 #include "core/fpdfapi/font/cpdf_cid2unicodemap.h" 12 #include "core/fpdfapi/font/cpdf_cmap.h" 13 #include "third_party/base/stl_util.h" 14 15 CPDF_CMapManager::CPDF_CMapManager() {} 16 17 CPDF_CMapManager::~CPDF_CMapManager() {} 18 19 RetainPtr<CPDF_CMap> CPDF_CMapManager::GetPredefinedCMap(const ByteString& name, 20 bool bPromptCJK) { 21 auto it = m_CMaps.find(name); 22 if (it != m_CMaps.end()) 23 return it->second; 24 25 RetainPtr<CPDF_CMap> pCMap = LoadPredefinedCMap(name, bPromptCJK); 26 if (!name.IsEmpty()) 27 m_CMaps[name] = pCMap; 28 29 return pCMap; 30 } 31 32 RetainPtr<CPDF_CMap> CPDF_CMapManager::LoadPredefinedCMap( 33 const ByteString& name, 34 bool bPromptCJK) { 35 const char* pname = name.c_str(); 36 if (*pname == '/') 37 pname++; 38 39 auto pCMap = pdfium::MakeRetain<CPDF_CMap>(); 40 pCMap->LoadPredefined(this, pname, bPromptCJK); 41 return pCMap; 42 } 43 44 CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset, 45 bool bPromptCJK) { 46 if (!m_CID2UnicodeMaps[charset]) 47 m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK); 48 49 return m_CID2UnicodeMaps[charset].get(); 50 } 51 52 std::unique_ptr<CPDF_CID2UnicodeMap> CPDF_CMapManager::LoadCID2UnicodeMap( 53 CIDSet charset, 54 bool bPromptCJK) { 55 auto pMap = pdfium::MakeUnique<CPDF_CID2UnicodeMap>(); 56 pMap->Load(this, charset, bPromptCJK); 57 return pMap; 58 } 59
