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1 // Copyright 2016 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 #ifndef CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
8 #define CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
9 
10 #include <vector>
11 
12 #include "core/fpdfapi/font/cpdf_font.h"
13 #include "core/fpdfapi/font/cpdf_fontencoding.h"
14 #include "core/fxcrt/fx_string.h"
15 #include "core/fxcrt/fx_system.h"
16 
17 class CPDF_SimpleFont : public CPDF_Font {
18  public:
19   CPDF_SimpleFont();
20   ~CPDF_SimpleFont() override;
21 
22   // CPDF_Font
23   int GetCharWidthF(uint32_t charcode) override;
24   FX_RECT GetCharBBox(uint32_t charcode) override;
25   int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override;
26   bool IsUnicodeCompatible() const override;
27   CFX_WideString UnicodeFromCharCode(uint32_t charcode) const override;
28   uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const override;
29 
GetEncoding()30   CPDF_FontEncoding* GetEncoding() { return &m_Encoding; }
31 
32  protected:
33   virtual void LoadGlyphMap() = 0;
34 
35   bool LoadCommon();
36   void LoadSubstFont();
37   void LoadCharMetrics(int charcode);
38 
39   CPDF_FontEncoding m_Encoding;
40   uint16_t m_GlyphIndex[256];
41   uint16_t m_ExtGID[256];
42   std::vector<CFX_ByteString> m_CharNames;
43   int m_BaseEncoding;
44   uint16_t m_CharWidth[256];
45   FX_RECT m_CharBBox[256];
46   bool m_bUseFontWidth;
47 };
48 
49 #endif  // CORE_FPDFAPI_FONT_CPDF_SIMPLEFONT_H_
50