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-rw-r--r--core/fpdfapi/fpdf_font/include/cpdf_font.h128
-rw-r--r--core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h59
2 files changed, 187 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_font/include/cpdf_font.h b/core/fpdfapi/fpdf_font/include/cpdf_font.h
new file mode 100644
index 0000000000..1931c245de
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/include/cpdf_font.h
@@ -0,0 +1,128 @@
+// Copyright 2016 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_FPDF_FONT_INCLUDE_CPDF_FONT_H_
+#define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_
+
+#include "core/fxcrt/include/fx_string.h"
+#include "core/fxcrt/include/fx_system.h"
+#include "core/include/fxge/fx_font.h"
+
+#define PDFFONT_FIXEDPITCH 1
+#define PDFFONT_SERIF 2
+#define PDFFONT_SYMBOLIC 4
+#define PDFFONT_SCRIPT 8
+#define PDFFONT_NONSYMBOLIC 32
+#define PDFFONT_ITALIC 64
+#define PDFFONT_ALLCAP 0x10000
+#define PDFFONT_SMALLCAP 0x20000
+#define PDFFONT_FORCEBOLD 0x40000
+#define PDFFONT_USEEXTERNATTR 0x80000
+
+class CFX_SubstFont;
+class CPDF_CIDFont;
+class CPDF_Dictionary;
+class CPDF_Document;
+class CPDF_Object;
+class CPDF_StreamAcc;
+class CPDF_TrueTypeFont;
+class CPDF_Type1Font;
+class CPDF_Type3Font;
+class CPDF_ToUnicodeMap;
+
+class CPDF_Font {
+ public:
+ static CPDF_Font* CreateFontF(CPDF_Document* pDoc,
+ CPDF_Dictionary* pFontDict);
+ static CPDF_Font* GetStockFont(CPDF_Document* pDoc,
+ const CFX_ByteStringC& fontname);
+ static const FX_DWORD kInvalidCharCode = static_cast<FX_DWORD>(-1);
+
+ virtual ~CPDF_Font();
+
+ virtual bool IsType1Font() const;
+ virtual bool IsTrueTypeFont() const;
+ virtual bool IsType3Font() const;
+ virtual bool IsCIDFont() const;
+ virtual const CPDF_Type1Font* AsType1Font() const;
+ virtual CPDF_Type1Font* AsType1Font();
+ virtual const CPDF_TrueTypeFont* AsTrueTypeFont() const;
+ virtual CPDF_TrueTypeFont* AsTrueTypeFont();
+ virtual const CPDF_Type3Font* AsType3Font() const;
+ virtual CPDF_Type3Font* AsType3Font();
+ virtual const CPDF_CIDFont* AsCIDFont() const;
+ virtual CPDF_CIDFont* AsCIDFont();
+
+ virtual FX_BOOL IsVertWriting() const;
+ virtual FX_BOOL IsUnicodeCompatible() const;
+ virtual FX_DWORD GetNextChar(const FX_CHAR* pString,
+ int nStrLen,
+ int& offset) const;
+ virtual int CountChar(const FX_CHAR* pString, int size) const;
+ virtual int AppendChar(FX_CHAR* buf, FX_DWORD charcode) const;
+ virtual int GetCharSize(FX_DWORD charcode) const;
+ virtual int GlyphFromCharCode(FX_DWORD charcode,
+ FX_BOOL* pVertGlyph = nullptr);
+ virtual int GlyphFromCharCodeExt(FX_DWORD charcode);
+ virtual CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const;
+ virtual FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const;
+
+ const CFX_ByteString& GetBaseFont() const { return m_BaseFont; }
+ const CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); }
+ FX_DWORD GetFlags() const { return m_Flags; }
+ FX_BOOL IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; }
+ CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; }
+ CPDF_Dictionary* GetFontDict() const { return m_pFontDict; }
+ FX_BOOL IsStandardFont() const;
+ FXFT_Face GetFace() const { return m_Font.GetFace(); }
+ void AppendChar(CFX_ByteString& str, FX_DWORD charcode) const;
+
+ void GetFontBBox(FX_RECT& rect) const { rect = m_FontBBox; }
+ int GetTypeAscent() const { return m_Ascent; }
+ int GetTypeDescent() const { return m_Descent; }
+ int GetItalicAngle() const { return m_ItalicAngle; }
+ int GetStemV() const { return m_StemV; }
+ int GetStringWidth(const FX_CHAR* pString, int size);
+
+ virtual int GetCharWidthF(FX_DWORD charcode, int level = 0) = 0;
+ virtual FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) = 0;
+
+ CPDF_Document* m_pDocument;
+ CFX_Font m_Font;
+
+ protected:
+ CPDF_Font();
+
+ virtual FX_BOOL Load() = 0;
+
+ FX_BOOL Initialize();
+ void LoadUnicodeMap();
+ void LoadPDFEncoding(CPDF_Object* pEncoding,
+ int& iBaseEncoding,
+ CFX_ByteString*& pCharNames,
+ FX_BOOL bEmbedded,
+ FX_BOOL bTrueType);
+ void LoadFontDescriptor(CPDF_Dictionary* pDict);
+ void CheckFontMetrics();
+
+ const FX_CHAR* GetAdobeCharName(int iBaseEncoding,
+ const CFX_ByteString* pCharNames,
+ int charcode);
+
+ CFX_ByteString m_BaseFont;
+ CPDF_StreamAcc* m_pFontFile;
+ CPDF_Dictionary* m_pFontDict;
+ CPDF_ToUnicodeMap* m_pToUnicodeMap;
+ FX_BOOL m_bToUnicodeLoaded;
+ int m_Flags;
+ FX_RECT m_FontBBox;
+ int m_StemV;
+ int m_Ascent;
+ int m_Descent;
+ int m_ItalicAngle;
+};
+
+#endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_
diff --git a/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h b/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h
new file mode 100644
index 0000000000..a64687cd0e
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h
@@ -0,0 +1,59 @@
+// Copyright 2016 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_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_
+#define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_
+
+#include "core/fxcrt/include/fx_string.h"
+
+#define PDFFONT_ENCODING_BUILTIN 0
+#define PDFFONT_ENCODING_WINANSI 1
+#define PDFFONT_ENCODING_MACROMAN 2
+#define PDFFONT_ENCODING_MACEXPERT 3
+#define PDFFONT_ENCODING_STANDARD 4
+#define PDFFONT_ENCODING_ADOBE_SYMBOL 5
+#define PDFFONT_ENCODING_ZAPFDINGBATS 6
+#define PDFFONT_ENCODING_PDFDOC 7
+#define PDFFONT_ENCODING_MS_SYMBOL 8
+#define PDFFONT_ENCODING_UNICODE 9
+
+FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode);
+FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode);
+
+FX_WCHAR PDF_UnicodeFromAdobeName(const FX_CHAR* name);
+CFX_ByteString PDF_AdobeNameFromUnicode(FX_WCHAR unicode);
+
+const uint16_t* PDF_UnicodesForPredefinedCharSet(int encoding);
+const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding,
+ uint8_t charcode);
+
+class CPDF_Object;
+
+class CPDF_FontEncoding {
+ public:
+ CPDF_FontEncoding();
+ explicit CPDF_FontEncoding(int PredefinedEncoding);
+
+ void LoadEncoding(CPDF_Object* pEncoding);
+
+ FX_BOOL IsIdentical(CPDF_FontEncoding* pAnother) const;
+
+ FX_WCHAR UnicodeFromCharCode(uint8_t charcode) const {
+ return m_Unicodes[charcode];
+ }
+ int CharCodeFromUnicode(FX_WCHAR unicode) const;
+
+ void SetUnicode(uint8_t charcode, FX_WCHAR unicode) {
+ m_Unicodes[charcode] = unicode;
+ }
+
+ CPDF_Object* Realize();
+
+ public:
+ FX_WCHAR m_Unicodes[256];
+};
+
+#endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONTENCODING_H_
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