| // 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_fontglobals.h" |
| |
| #include "core/fpdfapi/cmaps/CNS1/cmaps_cns1.h" |
| #include "core/fpdfapi/cmaps/GB1/cmaps_gb1.h" |
| #include "core/fpdfapi/cmaps/Japan1/cmaps_japan1.h" |
| #include "core/fpdfapi/cmaps/Korea1/cmaps_korea1.h" |
| #include "core/fpdfapi/font/cfx_stockfontarray.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| #include "third_party/base/ptr_util.h" |
| #include "third_party/base/stl_util.h" |
| |
| namespace { |
| |
| CPDF_FontGlobals* g_FontGlobals = nullptr; |
| |
| } // namespace |
| |
| // static |
| void CPDF_FontGlobals::Create() { |
| ASSERT(!g_FontGlobals); |
| g_FontGlobals = new CPDF_FontGlobals(); |
| } |
| |
| // static |
| void CPDF_FontGlobals::Destroy() { |
| ASSERT(g_FontGlobals); |
| delete g_FontGlobals; |
| g_FontGlobals = nullptr; |
| } |
| |
| // static |
| CPDF_FontGlobals* CPDF_FontGlobals::GetInstance() { |
| ASSERT(g_FontGlobals); |
| return g_FontGlobals; |
| } |
| |
| CPDF_FontGlobals::CPDF_FontGlobals() { |
| memset(m_EmbeddedCharsets, 0, sizeof(m_EmbeddedCharsets)); |
| memset(m_EmbeddedToUnicodes, 0, sizeof(m_EmbeddedToUnicodes)); |
| } |
| |
| CPDF_FontGlobals::~CPDF_FontGlobals() = default; |
| |
| void CPDF_FontGlobals::LoadEmbeddedMaps() { |
| LoadEmbeddedGB1CMaps(); |
| LoadEmbeddedCNS1CMaps(); |
| LoadEmbeddedJapan1CMaps(); |
| LoadEmbeddedKorea1CMaps(); |
| } |
| |
| RetainPtr<CPDF_Font> CPDF_FontGlobals::Find( |
| CPDF_Document* pDoc, |
| CFX_FontMapper::StandardFont index) { |
| auto it = m_StockMap.find(pDoc); |
| if (it == m_StockMap.end() || !it->second) |
| return nullptr; |
| |
| return it->second->GetFont(index); |
| } |
| |
| void CPDF_FontGlobals::Set(CPDF_Document* pDoc, |
| CFX_FontMapper::StandardFont index, |
| const RetainPtr<CPDF_Font>& pFont) { |
| if (!pdfium::ContainsKey(m_StockMap, pDoc)) |
| m_StockMap[pDoc] = pdfium::MakeUnique<CFX_StockFontArray>(); |
| m_StockMap[pDoc]->SetFont(index, pFont); |
| } |
| |
| void CPDF_FontGlobals::Clear(CPDF_Document* pDoc) { |
| m_StockMap.erase(pDoc); |
| } |
| |
| void CPDF_FontGlobals::LoadEmbeddedGB1CMaps() { |
| SetEmbeddedCharset(CIDSET_GB1, pdfium::make_span(g_FXCMAP_GB1_cmaps, |
| g_FXCMAP_GB1_cmaps_size)); |
| SetEmbeddedToUnicode(CIDSET_GB1, g_FXCMAP_GB1CID2Unicode_5); |
| } |
| |
| void CPDF_FontGlobals::LoadEmbeddedCNS1CMaps() { |
| SetEmbeddedCharset(CIDSET_CNS1, pdfium::make_span(g_FXCMAP_CNS1_cmaps, |
| g_FXCMAP_CNS1_cmaps_size)); |
| SetEmbeddedToUnicode(CIDSET_CNS1, g_FXCMAP_CNS1CID2Unicode_5); |
| } |
| |
| void CPDF_FontGlobals::LoadEmbeddedJapan1CMaps() { |
| SetEmbeddedCharset( |
| CIDSET_JAPAN1, |
| pdfium::make_span(g_FXCMAP_Japan1_cmaps, g_FXCMAP_Japan1_cmaps_size)); |
| SetEmbeddedToUnicode(CIDSET_JAPAN1, g_FXCMAP_Japan1CID2Unicode_4); |
| } |
| |
| void CPDF_FontGlobals::LoadEmbeddedKorea1CMaps() { |
| SetEmbeddedCharset( |
| CIDSET_KOREA1, |
| pdfium::make_span(g_FXCMAP_Korea1_cmaps, g_FXCMAP_Korea1_cmaps_size)); |
| SetEmbeddedToUnicode(CIDSET_KOREA1, g_FXCMAP_Korea1CID2Unicode_2); |
| } |