| // Copyright 2016 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 CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_ |
| #define CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_ |
| |
| #include <stdint.h> |
| |
| #include <array> |
| #include <vector> |
| |
| #include "core/fpdfapi/font/cpdf_font.h" |
| #include "core/fpdfapi/font/cpdf_fontencoding.h" |
| #include "core/fxcrt/fx_string.h" |
| |
| class CPDF_SimpleFont : public CPDF_Font { |
| public: |
| ~CPDF_SimpleFont() override; |
| |
| // CPDF_Font |
| int GetCharWidthF(uint32_t charcode) override; |
| FX_RECT GetCharBBox(uint32_t charcode) override; |
| int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override; |
| bool IsUnicodeCompatible() const override; |
| WideString UnicodeFromCharCode(uint32_t charcode) const override; |
| uint32_t CharCodeFromUnicode(wchar_t Unicode) const override; |
| |
| const CPDF_FontEncoding* GetEncoding() const { return &m_Encoding; } |
| |
| bool HasFontWidths() const override; |
| |
| protected: |
| static constexpr size_t kInternalTableSize = 256; |
| |
| CPDF_SimpleFont(CPDF_Document* pDocument, |
| RetainPtr<CPDF_Dictionary> pFontDict); |
| |
| virtual void LoadGlyphMap() = 0; |
| |
| bool LoadCommon(); |
| void LoadSubstFont(); |
| void LoadCharMetrics(int charcode); |
| void LoadCharWidths(const CPDF_Dictionary* font_desc); |
| void LoadDifferences(const CPDF_Dictionary* encoding); |
| void LoadPDFEncoding(bool bEmbedded, bool bTrueType); |
| |
| CPDF_FontEncoding m_Encoding{FontEncoding::kBuiltin}; |
| FontEncoding m_BaseEncoding = FontEncoding::kBuiltin; |
| bool m_bUseFontWidth = false; |
| std::vector<ByteString> m_CharNames; |
| std::array<uint16_t, kInternalTableSize> m_GlyphIndex; |
| std::array<uint16_t, kInternalTableSize> m_CharWidth; |
| std::array<FX_RECT, kInternalTableSize> m_CharBBox; |
| }; |
| |
| #endif // CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_ |