| // Copyright 2014 The PDFium Authors |
| // 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 XFA_FGAS_FONT_CFGAS_GEFONT_H_ |
| #define XFA_FGAS_FONT_CFGAS_GEFONT_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "build/build_config.h" |
| #include "core/fxcrt/fx_codepage_forward.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/maybe_owned.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| class CFX_Font; |
| class CFX_UnicodeEncodingEx; |
| class CPDF_Document; |
| class CPDF_Font; |
| |
| class CFGAS_GEFont final : public Retainable { |
| public: |
| CONSTRUCT_VIA_MAKE_RETAIN; |
| |
| static RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily, |
| uint32_t dwFontStyles, |
| FX_CodePage wCodePage); |
| static RetainPtr<CFGAS_GEFont> LoadFont(RetainPtr<CPDF_Font> pFont); |
| static RetainPtr<CFGAS_GEFont> LoadFont(std::unique_ptr<CFX_Font> pFont); |
| static RetainPtr<CFGAS_GEFont> LoadStockFont(CPDF_Document* pDoc, |
| const ByteString& font_family); |
| |
| uint32_t GetFontStyles() const; |
| absl::optional<uint16_t> GetCharWidth(wchar_t wUnicode); |
| int32_t GetGlyphIndex(wchar_t wUnicode); |
| int32_t GetAscent() const; |
| int32_t GetDescent() const; |
| absl::optional<FX_RECT> GetCharBBox(wchar_t wUnicode); |
| |
| RetainPtr<CFGAS_GEFont> GetSubstFont(int32_t iGlyphIndex); |
| CFX_Font* GetDevFont() const { return m_pFont.Get(); } |
| |
| void SetLogicalFontStyle(uint32_t dwLogFontStyle) { |
| m_dwLogFontStyle = dwLogFontStyle; |
| } |
| |
| private: |
| CFGAS_GEFont(); |
| ~CFGAS_GEFont() override; |
| |
| #if BUILDFLAG(IS_WIN) |
| bool LoadFontInternal(const wchar_t* pszFontFamily, |
| uint32_t dwFontStyles, |
| FX_CodePage wCodePage); |
| #endif |
| bool LoadFontInternal(std::unique_ptr<CFX_Font> pInternalFont); |
| bool LoadFontInternal(RetainPtr<CPDF_Font> pPDFFont); |
| bool InitFont(); |
| std::pair<int32_t, RetainPtr<CFGAS_GEFont>> GetGlyphIndexAndFont( |
| wchar_t wUnicode, |
| bool bRecursive); |
| WideString GetFamilyName() const; |
| |
| absl::optional<uint32_t> m_dwLogFontStyle; |
| RetainPtr<CPDF_Font> m_pPDFFont; // Must come before |m_pFont|. |
| MaybeOwned<CFX_Font> m_pFont; // Must come before |m_pFontEncoding|. |
| std::unique_ptr<CFX_UnicodeEncodingEx> m_pFontEncoding; |
| std::map<wchar_t, absl::optional<uint16_t>> m_CharWidthMap; |
| std::map<wchar_t, FX_RECT> m_BBoxMap; |
| std::vector<RetainPtr<CFGAS_GEFont>> m_SubstFonts; |
| std::map<wchar_t, RetainPtr<CFGAS_GEFont>> m_FontMapper; |
| }; |
| |
| #endif // XFA_FGAS_FONT_CFGAS_GEFONT_H_ |