| // 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 |
| |
| #ifndef CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_ |
| #define CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "core/fpdfapi/cmaps/fpdf_cmaps.h" |
| #include "core/fpdfapi/font/cpdf_cidfont.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxge/cfx_fontmapper.h" |
| #include "third_party/base/span.h" |
| |
| class CFX_StockFontArray; |
| class CPDF_Font; |
| |
| class CPDF_FontGlobals { |
| public: |
| // Per-process singleton which must be managed by callers. |
| static void Create(); |
| static void Destroy(); |
| static CPDF_FontGlobals* GetInstance(); |
| |
| // Caller must load the maps before using font globals. |
| void LoadEmbeddedMaps(); |
| |
| void Clear(CPDF_Document* pDoc); |
| RetainPtr<CPDF_Font> Find(CPDF_Document* pDoc, |
| CFX_FontMapper::StandardFont index); |
| void Set(CPDF_Document* pDoc, |
| CFX_FontMapper::StandardFont index, |
| const RetainPtr<CPDF_Font>& pFont); |
| |
| void SetEmbeddedCharset(CIDSet idx, pdfium::span<const FXCMAP_CMap> map) { |
| m_EmbeddedCharsets[idx] = map; |
| } |
| pdfium::span<const FXCMAP_CMap> GetEmbeddedCharset(CIDSet idx) const { |
| return m_EmbeddedCharsets[idx]; |
| } |
| void SetEmbeddedToUnicode(CIDSet idx, pdfium::span<const uint16_t> map) { |
| m_EmbeddedToUnicodes[idx] = map; |
| } |
| pdfium::span<const uint16_t> GetEmbeddedToUnicode(CIDSet idx) { |
| return m_EmbeddedToUnicodes[idx]; |
| } |
| |
| RetainPtr<const CPDF_CMap> GetPredefinedCMap(const ByteString& name); |
| CPDF_CID2UnicodeMap* GetCID2UnicodeMap(CIDSet charset); |
| |
| private: |
| CPDF_FontGlobals(); |
| ~CPDF_FontGlobals(); |
| |
| void LoadEmbeddedGB1CMaps(); |
| void LoadEmbeddedCNS1CMaps(); |
| void LoadEmbeddedJapan1CMaps(); |
| void LoadEmbeddedKorea1CMaps(); |
| |
| std::map<ByteString, RetainPtr<const CPDF_CMap>> m_CMaps; |
| std::unique_ptr<CPDF_CID2UnicodeMap> m_CID2UnicodeMaps[CIDSET_NUM_SETS]; |
| pdfium::span<const FXCMAP_CMap> m_EmbeddedCharsets[CIDSET_NUM_SETS]; |
| pdfium::span<const uint16_t> m_EmbeddedToUnicodes[CIDSET_NUM_SETS]; |
| std::map<CPDF_Document*, std::unique_ptr<CFX_StockFontArray>> m_StockMap; |
| }; |
| |
| #endif // CORE_FPDFAPI_FONT_CPDF_FONTGLOBALS_H_ |