diff options
Diffstat (limited to 'core/include/fpdfapi/fpdf_resource.h')
| -rw-r--r-- | core/include/fpdfapi/fpdf_resource.h | 216 |
1 files changed, 79 insertions, 137 deletions
diff --git a/core/include/fpdfapi/fpdf_resource.h b/core/include/fpdfapi/fpdf_resource.h index b8504337df..7dbc3fd618 100644 --- a/core/include/fpdfapi/fpdf_resource.h +++ b/core/include/fpdfapi/fpdf_resource.h @@ -82,10 +82,7 @@ class CPDF_CountedObject { }; using CPDF_CountedColorSpace = CPDF_CountedObject<CPDF_ColorSpace>; using CPDF_CountedPattern = CPDF_CountedObject<CPDF_Pattern>; -#define PDFFONT_TYPE1 1 -#define PDFFONT_TRUETYPE 2 -#define PDFFONT_TYPE3 3 -#define PDFFONT_CIDFONT 4 + #define PDFFONT_FIXEDPITCH 1 #define PDFFONT_SERIF 2 #define PDFFONT_SYMBOLIC 4 @@ -96,6 +93,7 @@ using CPDF_CountedPattern = CPDF_CountedObject<CPDF_Pattern>; #define PDFFONT_SMALLCAP 0x20000 #define PDFFONT_FORCEBOLD 0x40000 #define PDFFONT_USEEXTERNATTR 0x80000 + class CPDF_Font { public: static CPDF_Font* CreateFontF(CPDF_Document* pDoc, @@ -106,157 +104,86 @@ class CPDF_Font { virtual ~CPDF_Font(); - bool IsFontType(int fonttype) const { return fonttype == m_FontType; } - int GetFontType() const { return m_FontType; } - - CFX_ByteString GetFontTypeName() 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; } + virtual bool IsType1Font() const { return false; } + virtual bool IsTrueTypeFont() const { return false; } + virtual bool IsType3Font() const { return false; } + virtual bool IsCIDFont() const { return false; } + virtual const CPDF_Type1Font* AsType1Font() const { return nullptr; } + virtual CPDF_Type1Font* AsType1Font() { return nullptr; } + virtual const CPDF_TrueTypeFont* AsTrueTypeFont() const { return nullptr; } + virtual CPDF_TrueTypeFont* AsTrueTypeFont() { return nullptr; } + virtual const CPDF_Type3Font* AsType3Font() const { return nullptr; } + virtual CPDF_Type3Font* AsType3Font() { return nullptr; } + virtual const CPDF_CIDFont* AsCIDFont() const { return nullptr; } + virtual CPDF_CIDFont* AsCIDFont() { return nullptr; } virtual FX_BOOL IsVertWriting() const; - - CPDF_Type1Font* GetType1Font() const { - return m_FontType == PDFFONT_TYPE1 ? (CPDF_Type1Font*)(void*)this : NULL; - } - - CPDF_TrueTypeFont* GetTrueTypeFont() const { - return m_FontType == PDFFONT_TRUETYPE ? (CPDF_TrueTypeFont*)(void*)this - : NULL; - } - - CPDF_CIDFont* GetCIDFont() const { - return (m_FontType == PDFFONT_CIDFONT) ? (CPDF_CIDFont*)(void*)this : NULL; - } - - CPDF_Type3Font* GetType3Font() const { - return (m_FontType == PDFFONT_TYPE3) ? (CPDF_Type3Font*)(void*)this : NULL; - } - - FX_BOOL IsEmbedded() const { - return m_FontType == PDFFONT_TYPE3 || m_pFontFile != NULL; - } - virtual FX_BOOL IsUnicodeCompatible() const { return FALSE; } - - 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(); } - virtual FX_DWORD GetNextChar(const FX_CHAR* pString, int nStrLen, - int& offset) const { - if (offset < 0 || nStrLen < 1) { - return 0; - } - uint8_t ch = offset < nStrLen ? pString[offset++] : pString[nStrLen - 1]; - return static_cast<FX_DWORD>(ch); - } - + int& offset) const; virtual int CountChar(const FX_CHAR* pString, int size) const { return size; } - - void AppendChar(CFX_ByteString& str, FX_DWORD charcode) const; - - virtual int AppendChar(FX_CHAR* buf, FX_DWORD charcode) const { - *buf = (FX_CHAR)charcode; - return 1; - } - + virtual int AppendChar(FX_CHAR* buf, FX_DWORD charcode) const; virtual int GetCharSize(FX_DWORD charcode) const { return 1; } - virtual int GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) = 0; virtual int GlyphFromCharCodeExt(FX_DWORD charcode) { return GlyphFromCharCode(charcode); } + virtual CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const; + virtual FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const; - CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const; - - 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 != NULL; } + 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 int GetCharTypeWidth(FX_DWORD charcode); - virtual void GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level = 0) = 0; CPDF_Document* m_pDocument; - - class CFX_PathData* LoadGlyphPath(FX_DWORD charcode, int dest_width = 0); - CFX_Font m_Font; protected: - explicit CPDF_Font(int fonttype); - - FX_BOOL Initialize(); - - FX_BOOL Load(); - - virtual FX_BOOL _Load() = 0; - - virtual FX_WCHAR _UnicodeFromCharCode(FX_DWORD charcode) const = 0; + CPDF_Font(); - virtual FX_DWORD _CharCodeFromUnicode(FX_WCHAR Unicode) const = 0; + 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*); - - void LoadCharWidths(FX_WORD* pWidths); - void CheckFontMetrics(); 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; - - private: - const int m_FontType; }; + #define PDFFONT_ENCODING_BUILTIN 0 #define PDFFONT_ENCODING_WINANSI 1 #define PDFFONT_ENCODING_MACROMAN 2 @@ -267,6 +194,7 @@ class CPDF_Font { #define PDFFONT_ENCODING_PDFDOC 7 #define PDFFONT_ENCODING_MS_SYMBOL 8 #define PDFFONT_ENCODING_UNICODE 9 + class CPDF_FontEncoding { public: CPDF_FontEncoding(); @@ -295,32 +223,25 @@ class CPDF_FontEncoding { class CPDF_SimpleFont : public CPDF_Font { public: - explicit CPDF_SimpleFont(int fonttype); + CPDF_SimpleFont(); ~CPDF_SimpleFont() override; - CPDF_FontEncoding* GetEncoding() { return &m_Encoding; } + // CPDF_Font: int GetCharWidthF(FX_DWORD charcode, int level = 0) override; void GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level = 0) override; int GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) override; FX_BOOL IsUnicodeCompatible() const override; + CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const override; + FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const override; + + CPDF_FontEncoding* GetEncoding() { return &m_Encoding; } protected: - FX_BOOL LoadCommon(); + virtual void LoadGlyphMap() = 0; + FX_BOOL LoadCommon(); void LoadSubstFont(); - void LoadFaceMetrics(); - - virtual void LoadGlyphMap() = 0; - - FX_WCHAR _UnicodeFromCharCode(FX_DWORD charcode) const override { - return m_Encoding.UnicodeFromCharCode((uint8_t)charcode); - } - - FX_DWORD _CharCodeFromUnicode(FX_WCHAR Unicode) const override { - return m_Encoding.CharCodeFromUnicode(Unicode); - } - void LoadCharMetrics(int charcode); CPDF_FontEncoding m_Encoding; @@ -337,23 +258,38 @@ class CPDF_Type1Font : public CPDF_SimpleFont { public: CPDF_Type1Font(); - int GetBase14Font() { return m_Base14Font; } + // CPDF_Font: + bool IsType1Font() const override { return true; } + const CPDF_Type1Font* AsType1Font() const override { return this; } + CPDF_Type1Font* AsType1Font() override { return this; } + int GlyphFromCharCodeExt(FX_DWORD charcode) override; + + int GetBase14Font() const { return m_Base14Font; } protected: + // CPDF_Font: + FX_BOOL Load() override; + // CPDF_SimpleFont: - int GlyphFromCharCodeExt(FX_DWORD charcode) override; - FX_BOOL _Load() override; void LoadGlyphMap() override; int m_Base14Font; }; + class CPDF_TrueTypeFont : public CPDF_SimpleFont { public: CPDF_TrueTypeFont(); + // CPDF_Font: + bool IsTrueTypeFont() const override { return true; } + const CPDF_TrueTypeFont* AsTrueTypeFont() const override { return this; } + CPDF_TrueTypeFont* AsTrueTypeFont() override { return this; } + protected: + // CPDF_Font: + FX_BOOL Load() override; + // CPDF_SimpleFont: - FX_BOOL _Load() override; void LoadGlyphMap() override; }; @@ -378,23 +314,29 @@ class CPDF_Type3Font : public CPDF_SimpleFont { CPDF_Type3Font(); ~CPDF_Type3Font() override; + // CPDF_Font: + bool IsType3Font() const override { return true; } + const CPDF_Type3Font* AsType3Font() const override { return this; } + CPDF_Type3Font* AsType3Font() override { return this; } + int GetCharWidthF(FX_DWORD charcode, int level = 0) override; + void GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level = 0) override; + void SetPageResources(CPDF_Dictionary* pResources) { m_pPageResources = pResources; } CPDF_Type3Char* LoadChar(FX_DWORD charcode, int level = 0); - int GetCharWidthF(FX_DWORD charcode, int level = 0) override; - int GetCharTypeWidth(FX_DWORD charcode) override { - return GetCharWidthF(charcode); - } - void GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level = 0) override; - CFX_Matrix& GetFontMatrix() { return m_FontMatrix; } void CheckType3FontMetrics(); + CFX_Matrix& GetFontMatrix() { return m_FontMatrix; } + protected: CFX_Matrix m_FontMatrix; private: - FX_BOOL _Load() override; + // CPDF_Font: + FX_BOOL Load() override; + + // CPDF_SimpleFont: void LoadGlyphMap() override {} int m_CharWidthL[256]; @@ -417,12 +359,14 @@ enum CIDSet { class CPDF_CIDFont : public CPDF_Font { public: CPDF_CIDFont(); - ~CPDF_CIDFont() override; static FX_FLOAT CIDTransformToFloat(uint8_t ch); // CPDF_Font: + bool IsCIDFont() const override { return true; } + const CPDF_CIDFont* AsCIDFont() const override { return this; } + CPDF_CIDFont* AsCIDFont() override { return this; } int GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) override; int GetCharWidthF(FX_DWORD charcode, int level = 0) override; void GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level = 0) override; @@ -434,26 +378,24 @@ class CPDF_CIDFont : public CPDF_Font { int GetCharSize(FX_DWORD charcode) const override; FX_BOOL IsVertWriting() const override; FX_BOOL IsUnicodeCompatible() const override; - FX_BOOL _Load() override; - FX_WCHAR _UnicodeFromCharCode(FX_DWORD charcode) const override; - FX_DWORD _CharCodeFromUnicode(FX_WCHAR Unicode) const override; + FX_BOOL Load() override; + CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const override; + FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const override; FX_BOOL LoadGB2312(); FX_WORD CIDFromCharCode(FX_DWORD charcode) const; - FX_BOOL IsTrueType() const { return !m_bType1; } const uint8_t* GetCIDTransform(FX_WORD CID) const; short GetVertWidth(FX_WORD CID) const; void GetVertOrigin(FX_WORD CID, short& vx, short& vy) const; virtual FX_BOOL IsFontStyleFromCharCode(FX_DWORD charcode) const; protected: - friend class CPDF_Font; - int GetGlyphIndex(FX_DWORD unicodeb, FX_BOOL* pVertGlyph); void LoadMetricsArray(CPDF_Array* pArray, CFX_DWordArray& result, int nElements); void LoadSubstFont(); + FX_WCHAR GetUnicodeFromCharCode(FX_DWORD charcode) const; CPDF_CMap* m_pCMap; CPDF_CMap* m_pAllocatedCMap; |