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Diffstat (limited to 'core/include/fxge/fx_font.h')
-rw-r--r-- | core/include/fxge/fx_font.h | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/core/include/fxge/fx_font.h b/core/include/fxge/fx_font.h deleted file mode 100644 index 4e2b97e677..0000000000 --- a/core/include/fxge/fx_font.h +++ /dev/null @@ -1,566 +0,0 @@ -// Copyright 2014 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_INCLUDE_FXGE_FX_FONT_H_ -#define CORE_INCLUDE_FXGE_FX_FONT_H_ - -#include <map> -#include <memory> -#include <vector> - -#include "core/fxcrt/include/fx_system.h" -#include "core/include/fxge/fx_dib.h" -#include "core/include/fxge/fx_freetype.h" - -typedef struct FT_FaceRec_* FXFT_Face; -typedef void* FXFT_Library; - -class CFX_FaceCache; -class CFX_FontFaceInfo; -class CFX_FontMapper; -class CFX_PathData; -class CFX_SizeGlyphCache; -class CFX_SubstFont; -class CTTFontDesc; -class IFX_SystemFontInfo; - -#ifdef _SKIA_SUPPORT_ -class SkTypeface; - -using CFX_TypeFace = SkTypeface; -#endif - -#define FXFONT_FIXED_PITCH 0x01 -#define FXFONT_SERIF 0x02 -#define FXFONT_SYMBOLIC 0x04 -#define FXFONT_SCRIPT 0x08 -#define FXFONT_ITALIC 0x40 -#define FXFONT_BOLD 0x40000 -#define FXFONT_USEEXTERNATTR 0x80000 -#define FXFONT_CIDFONT 0x100000 -#ifdef PDF_ENABLE_XFA -#define FXFONT_EXACTMATCH 0x80000000 -#endif // PDF_ENABLE_XFA -#define FXFONT_ANSI_CHARSET 0 -#define FXFONT_DEFAULT_CHARSET 1 -#define FXFONT_SYMBOL_CHARSET 2 -#define FXFONT_SHIFTJIS_CHARSET 128 -#define FXFONT_HANGEUL_CHARSET 129 -#define FXFONT_GB2312_CHARSET 134 -#define FXFONT_CHINESEBIG5_CHARSET 136 -#define FXFONT_THAI_CHARSET 222 -#define FXFONT_EASTEUROPE_CHARSET 238 -#define FXFONT_RUSSIAN_CHARSET 204 -#define FXFONT_GREEK_CHARSET 161 -#define FXFONT_TURKISH_CHARSET 162 -#define FXFONT_HEBREW_CHARSET 177 -#define FXFONT_ARABIC_CHARSET 178 -#define FXFONT_BALTIC_CHARSET 186 -#define FXFONT_FF_FIXEDPITCH 1 -#define FXFONT_FF_ROMAN (1 << 4) -#define FXFONT_FF_SCRIPT (4 << 4) -#define FXFONT_FW_NORMAL 400 -#define FXFONT_FW_BOLD 700 - -class CFX_Font { - public: - CFX_Font(); - ~CFX_Font(); - - void LoadSubst(const CFX_ByteString& face_name, - FX_BOOL bTrueType, - uint32_t flags, - int weight, - int italic_angle, - int CharsetCP, - FX_BOOL bVertical = FALSE); - FX_BOOL LoadEmbedded(const uint8_t* data, uint32_t size); - FXFT_Face GetFace() const { return m_Face; } - -#ifdef PDF_ENABLE_XFA - FX_BOOL LoadFile(IFX_FileRead* pFile, - int nFaceIndex = 0, - int* pFaceCount = NULL); - - FX_BOOL LoadClone(const CFX_Font* pFont); - CFX_SubstFont* GetSubstFont() const { return m_pSubstFont; } - void SetFace(FXFT_Face face) { m_Face = face; } - void SetSubstFont(CFX_SubstFont* subst) { m_pSubstFont = subst; } -#else // PDF_ENABLE_XFA - const CFX_SubstFont* GetSubstFont() const { return m_pSubstFont; } -#endif // PDF_ENABLE_XFA - - CFX_PathData* LoadGlyphPath(uint32_t glyph_index, int dest_width = 0); - int GetGlyphWidth(uint32_t glyph_index); - int GetAscent() const; - int GetDescent() const; - FX_BOOL GetGlyphBBox(uint32_t glyph_index, FX_RECT& bbox); - FX_BOOL IsItalic() const; - FX_BOOL IsBold() const; - FX_BOOL IsFixedWidth() const; - FX_BOOL IsVertical() const { return m_bVertical; } - CFX_WideString GetPsName() const; - CFX_ByteString GetFamilyName() const; - CFX_ByteString GetFaceName() const; - FX_BOOL IsTTFont() const; - FX_BOOL GetBBox(FX_RECT& bbox); - int GetHeight() const; - int GetULPos() const; - int GetULthickness() const; - int GetMaxAdvanceWidth() const; - FX_BOOL IsEmbedded() const { return m_bEmbedded; } - uint8_t* GetSubData() const { return m_pGsubData; } - void SetSubData(uint8_t* data) { m_pGsubData = data; } - void* GetPlatformFont() const { return m_pPlatformFont; } - void SetPlatformFont(void* font) { m_pPlatformFont = font; } - uint8_t* GetFontData() const { return m_pFontData; } - uint32_t GetSize() const { return m_dwSize; } - void AdjustMMParams(int glyph_index, int width, int weight); - - private: - void ReleasePlatformResource(); - void DeleteFace(); - - FXFT_Face m_Face; - CFX_SubstFont* m_pSubstFont; - uint8_t* m_pFontDataAllocation; - uint8_t* m_pFontData; - uint8_t* m_pGsubData; - uint32_t m_dwSize; - CFX_BinaryBuf m_OtfFontData; - void* m_hHandle; - void* m_pPlatformFont; - void* m_pPlatformFontCollection; - void* m_pDwFont; - FX_BOOL m_bDwLoaded; - FX_BOOL m_bEmbedded; - FX_BOOL m_bVertical; - -#ifdef PDF_ENABLE_XFA - - protected: - FX_BOOL m_bLogic; - void* m_pOwnedStream; - -#endif // PDF_ENABLE_XFA -}; - -#define ENCODING_INTERNAL 0 -#define ENCODING_UNICODE 1 - -#ifdef PDF_ENABLE_XFA -#define FXFM_ENC_TAG(a, b, c, d) \ - (((uint32_t)(a) << 24) | ((uint32_t)(b) << 16) | ((uint32_t)(c) << 8) | \ - (uint32_t)(d)) -#define FXFM_ENCODING_NONE FXFM_ENC_TAG(0, 0, 0, 0) -#define FXFM_ENCODING_MS_SYMBOL FXFM_ENC_TAG('s', 'y', 'm', 'b') -#define FXFM_ENCODING_UNICODE FXFM_ENC_TAG('u', 'n', 'i', 'c') -#define FXFM_ENCODING_MS_SJIS FXFM_ENC_TAG('s', 'j', 'i', 's') -#define FXFM_ENCODING_MS_GB2312 FXFM_ENC_TAG('g', 'b', ' ', ' ') -#define FXFM_ENCODING_MS_BIG5 FXFM_ENC_TAG('b', 'i', 'g', '5') -#define FXFM_ENCODING_MS_WANSUNG FXFM_ENC_TAG('w', 'a', 'n', 's') -#define FXFM_ENCODING_MS_JOHAB FXFM_ENC_TAG('j', 'o', 'h', 'a') -#define FXFM_ENCODING_ADOBE_STANDARD FXFM_ENC_TAG('A', 'D', 'O', 'B') -#define FXFM_ENCODING_ADOBE_EXPERT FXFM_ENC_TAG('A', 'D', 'B', 'E') -#define FXFM_ENCODING_ADOBE_CUSTOM FXFM_ENC_TAG('A', 'D', 'B', 'C') -#define FXFM_ENCODING_ADOBE_LATIN_1 FXFM_ENC_TAG('l', 'a', 't', '1') -#define FXFM_ENCODING_OLD_LATIN_2 FXFM_ENC_TAG('l', 'a', 't', '2') -#define FXFM_ENCODING_APPLE_ROMAN FXFM_ENC_TAG('a', 'r', 'm', 'n') -#endif // PDF_ENABLE_XFA - -class CFX_UnicodeEncoding { - public: - explicit CFX_UnicodeEncoding(CFX_Font* pFont); - virtual ~CFX_UnicodeEncoding(); - - virtual uint32_t GlyphFromCharCode(uint32_t charcode); - - protected: - // Unowned, not nullptr. - CFX_Font* m_pFont; -}; - -#ifdef PDF_ENABLE_XFA -class CFX_UnicodeEncodingEx : public CFX_UnicodeEncoding { - public: - CFX_UnicodeEncodingEx(CFX_Font* pFont, uint32_t EncodingID); - ~CFX_UnicodeEncodingEx() override; - - // CFX_UnicodeEncoding: - uint32_t GlyphFromCharCode(uint32_t charcode) override; - - uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const; - - private: - uint32_t m_nEncodingID; -}; -CFX_UnicodeEncodingEx* FX_CreateFontEncodingEx( - CFX_Font* pFont, - uint32_t nEncodingID = FXFM_ENCODING_NONE); -#endif // PDF_ENABLE_XFA - -#define FXFONT_SUBST_MM 0x01 -#define FXFONT_SUBST_GLYPHPATH 0x04 -#define FXFONT_SUBST_CLEARTYPE 0x08 -#define FXFONT_SUBST_TRANSFORM 0x10 -#define FXFONT_SUBST_NONSYMBOL 0x20 -#define FXFONT_SUBST_EXACT 0x40 -#define FXFONT_SUBST_STANDARD 0x80 - -class CFX_SubstFont { - public: - CFX_SubstFont(); - - void* m_ExtHandle; - - CFX_ByteString m_Family; - - int m_Charset; - - uint32_t m_SubstFlags; - - int m_Weight; - - int m_ItalicAngle; - - FX_BOOL m_bSubstOfCJK; - - int m_WeightCJK; - - FX_BOOL m_bItlicCJK; -}; -#define FX_FONT_FLAG_SERIF 0x01 -#define FX_FONT_FLAG_FIXEDPITCH 0x02 -#define FX_FONT_FLAG_ITALIC 0x04 -#define FX_FONT_FLAG_BOLD 0x08 -#define FX_FONT_FLAG_SYMBOLIC_SYMBOL 0x10 -#define FX_FONT_FLAG_SYMBOLIC_DINGBATS 0x20 -#define FX_FONT_FLAG_MULTIPLEMASTER 0x40 - -class CFX_FontMgr { - public: - CFX_FontMgr(); - ~CFX_FontMgr(); - - void InitFTLibrary(); - - FXFT_Face GetCachedFace(const CFX_ByteString& face_name, - int weight, - FX_BOOL bItalic, - uint8_t*& pFontData); - FXFT_Face AddCachedFace(const CFX_ByteString& face_name, - int weight, - FX_BOOL bItalic, - uint8_t* pData, - uint32_t size, - int face_index); - FXFT_Face GetCachedTTCFace(int ttc_size, - uint32_t checksum, - int font_offset, - uint8_t*& pFontData); - FXFT_Face AddCachedTTCFace(int ttc_size, - uint32_t checksum, - uint8_t* pData, - uint32_t size, - int font_offset); - FXFT_Face GetFileFace(const FX_CHAR* filename, int face_index); - FXFT_Face GetFixedFace(const uint8_t* pData, uint32_t size, int face_index); - void ReleaseFace(FXFT_Face face); - void SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo); - FXFT_Face FindSubstFont(const CFX_ByteString& face_name, - FX_BOOL bTrueType, - uint32_t flags, - int weight, - int italic_angle, - int CharsetCP, - CFX_SubstFont* pSubstFont); - bool GetBuiltinFont(size_t index, const uint8_t** pFontData, uint32_t* size); - CFX_FontMapper* GetBuiltinMapper() const { return m_pBuiltinMapper.get(); } - FXFT_Library GetFTLibrary() const { return m_FTLibrary; } - - private: - std::unique_ptr<CFX_FontMapper> m_pBuiltinMapper; - std::map<CFX_ByteString, CTTFontDesc*> m_FaceMap; - FXFT_Library m_FTLibrary; -}; - -class IFX_FontEnumerator { - public: - virtual void HitFont() = 0; - - virtual void Finish() = 0; - - protected: - virtual ~IFX_FontEnumerator() {} -}; - -class IFX_AdditionalFontEnum { - public: - virtual int CountFiles() = 0; - virtual IFX_FileStream* GetFontFile(int index) = 0; - - protected: - virtual ~IFX_AdditionalFontEnum() {} -}; - -class CFX_FontMapper { - public: - explicit CFX_FontMapper(CFX_FontMgr* mgr); - ~CFX_FontMapper(); - - void SetSystemFontInfo(IFX_SystemFontInfo* pFontInfo); - IFX_SystemFontInfo* GetSystemFontInfo() { return m_pFontInfo; } - void AddInstalledFont(const CFX_ByteString& name, int charset); - void LoadInstalledFonts(); - std::vector<CFX_ByteString> m_InstalledTTFonts; - void SetFontEnumerator(IFX_FontEnumerator* pFontEnumerator) { - m_pFontEnumerator = pFontEnumerator; - } - IFX_FontEnumerator* GetFontEnumerator() const { return m_pFontEnumerator; } - FXFT_Face FindSubstFont(const CFX_ByteString& face_name, - FX_BOOL bTrueType, - uint32_t flags, - int weight, - int italic_angle, - int CharsetCP, - CFX_SubstFont* pSubstFont); -#ifdef PDF_ENABLE_XFA - FXFT_Face FindSubstFontByUnicode(uint32_t dwUnicode, - uint32_t flags, - int weight, - int italic_angle); -#endif // PDF_ENABLE_XFA - FX_BOOL IsBuiltinFace(const FXFT_Face face) const; - int GetFaceSize() const; - CFX_ByteString GetFaceName(int index) const { return m_FaceArray[index]; } - - private: - static const size_t MM_FACE_COUNT = 2; - static const size_t FOXIT_FACE_COUNT = 14; - - CFX_ByteString GetPSNameFromTT(void* hFont); - CFX_ByteString MatchInstalledFonts(const CFX_ByteString& norm_name); - FXFT_Face UseInternalSubst(CFX_SubstFont* pSubstFont, - int iBaseFont, - int italic_angle, - int weight, - int picthfamily); - - FX_BOOL m_bListLoaded; - FXFT_Face m_MMFaces[MM_FACE_COUNT]; - CFX_ByteString m_LastFamily; - CFX_ArrayTemplate<uint32_t> m_CharsetArray; - std::vector<CFX_ByteString> m_FaceArray; - IFX_SystemFontInfo* m_pFontInfo; - FXFT_Face m_FoxitFaces[FOXIT_FACE_COUNT]; - IFX_FontEnumerator* m_pFontEnumerator; - CFX_FontMgr* const m_pFontMgr; -}; - -class IFX_SystemFontInfo { - public: - static IFX_SystemFontInfo* CreateDefault(const char** pUserPaths); - virtual void Release() = 0; - - virtual FX_BOOL EnumFontList(CFX_FontMapper* pMapper) = 0; - virtual void* MapFont(int weight, - FX_BOOL bItalic, - int charset, - int pitch_family, - const FX_CHAR* face, - int& iExact) = 0; - -#ifdef PDF_ENABLE_XFA - virtual void* MapFontByUnicode(uint32_t dwUnicode, - int weight, - FX_BOOL bItalic, - int pitch_family); -#endif // PDF_ENABLE_XFA - - virtual void* GetFont(const FX_CHAR* face) = 0; - virtual uint32_t GetFontData(void* hFont, - uint32_t table, - uint8_t* buffer, - uint32_t size) = 0; - virtual FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) = 0; - virtual FX_BOOL GetFontCharset(void* hFont, int& charset) = 0; - virtual int GetFaceIndex(void* hFont); - virtual void DeleteFont(void* hFont) = 0; - virtual void* RetainFont(void* hFont); - - protected: - virtual ~IFX_SystemFontInfo() {} -}; - -class CFX_FolderFontInfo : public IFX_SystemFontInfo { - public: - CFX_FolderFontInfo(); - ~CFX_FolderFontInfo() override; - void AddPath(const CFX_ByteStringC& path); - - // IFX_SytemFontInfo: - void Release() override; - FX_BOOL EnumFontList(CFX_FontMapper* pMapper) override; - void* MapFont(int weight, - FX_BOOL bItalic, - int charset, - int pitch_family, - const FX_CHAR* face, - int& bExact) override; -#ifdef PDF_ENABLE_XFA - void* MapFontByUnicode(uint32_t dwUnicode, - int weight, - FX_BOOL bItalic, - int pitch_family) override; -#endif // PDF_ENABLE_XFA - void* GetFont(const FX_CHAR* face) override; - uint32_t GetFontData(void* hFont, - uint32_t table, - uint8_t* buffer, - uint32_t size) override; - void DeleteFont(void* hFont) override; - FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) override; - FX_BOOL GetFontCharset(void* hFont, int& charset) override; - - protected: - void ScanPath(const CFX_ByteString& path); - void ScanFile(const CFX_ByteString& path); - void ReportFace(const CFX_ByteString& path, - FXSYS_FILE* pFile, - uint32_t filesize, - uint32_t offset); - void* GetSubstFont(const CFX_ByteString& face); - void* FindFont(int weight, - FX_BOOL bItalic, - int charset, - int pitch_family, - const FX_CHAR* family, - FX_BOOL bMatchName); - - std::map<CFX_ByteString, CFX_FontFaceInfo*> m_FontList; - std::vector<CFX_ByteString> m_PathList; - CFX_FontMapper* m_pMapper; -}; - -class CFX_CountedFaceCache { - public: - CFX_FaceCache* m_Obj; - uint32_t m_nCount; -}; - -class CFX_FontCache { - public: - CFX_FontCache(); - ~CFX_FontCache(); - CFX_FaceCache* GetCachedFace(CFX_Font* pFont); - void ReleaseCachedFace(CFX_Font* pFont); - void FreeCache(FX_BOOL bRelease = FALSE); -#ifdef _SKIA_SUPPORT_ - CFX_TypeFace* GetDeviceCache(CFX_Font* pFont); -#endif - - private: - using CFX_FTCacheMap = std::map<FXFT_Face, CFX_CountedFaceCache*>; - CFX_FTCacheMap m_FTFaceMap; - CFX_FTCacheMap m_ExtFaceMap; -}; - -class CFX_AutoFontCache { - public: - CFX_AutoFontCache(CFX_FontCache* pFontCache, CFX_Font* pFont) - : m_pFontCache(pFontCache), m_pFont(pFont) {} - ~CFX_AutoFontCache() { m_pFontCache->ReleaseCachedFace(m_pFont); } - CFX_FontCache* m_pFontCache; - CFX_Font* m_pFont; -}; -#define FX_FONTCACHE_DEFINE(pFontCache, pFont) \ - CFX_AutoFontCache autoFontCache((pFontCache), (pFont)) -class CFX_GlyphBitmap { - public: - int m_Top; - int m_Left; - CFX_DIBitmap m_Bitmap; -}; -class CFX_FaceCache { - public: - explicit CFX_FaceCache(FXFT_Face face); - ~CFX_FaceCache(); - const CFX_GlyphBitmap* LoadGlyphBitmap(CFX_Font* pFont, - uint32_t glyph_index, - FX_BOOL bFontStyle, - const CFX_Matrix* pMatrix, - int dest_width, - int anti_alias, - int& text_flags); - const CFX_PathData* LoadGlyphPath(CFX_Font* pFont, - uint32_t glyph_index, - int dest_width); - -#ifdef _SKIA_SUPPORT_ - CFX_TypeFace* GetDeviceCache(CFX_Font* pFont); -#endif - - private: - CFX_GlyphBitmap* RenderGlyph(CFX_Font* pFont, - uint32_t glyph_index, - FX_BOOL bFontStyle, - const CFX_Matrix* pMatrix, - int dest_width, - int anti_alias); - CFX_GlyphBitmap* RenderGlyph_Nativetext(CFX_Font* pFont, - uint32_t glyph_index, - const CFX_Matrix* pMatrix, - int dest_width, - int anti_alias); - CFX_GlyphBitmap* LookUpGlyphBitmap(CFX_Font* pFont, - const CFX_Matrix* pMatrix, - CFX_ByteStringC& FaceGlyphsKey, - uint32_t glyph_index, - FX_BOOL bFontStyle, - int dest_width, - int anti_alias); - void InitPlatform(); - void DestroyPlatform(); - - FXFT_Face const m_Face; - std::map<CFX_ByteString, CFX_SizeGlyphCache*> m_SizeMap; - std::map<uint32_t, CFX_PathData*> m_PathMap; - CFX_DIBitmap* m_pBitmap; -#ifdef _SKIA_SUPPORT_ - CFX_TypeFace* m_pTypeface; -#endif -}; - -struct FXTEXT_GLYPHPOS { - const CFX_GlyphBitmap* m_pGlyph; - int m_OriginX; - int m_OriginY; - FX_FLOAT m_fOriginX; - FX_FLOAT m_fOriginY; -}; - -FX_RECT FXGE_GetGlyphsBBox(FXTEXT_GLYPHPOS* pGlyphAndPos, - int nChars, - int anti_alias, - FX_FLOAT retinaScaleX = 1.0f, - FX_FLOAT retinaScaleY = 1.0f); - -class IFX_GSUBTable { - public: - static IFX_GSUBTable* Create(CFX_Font* pFont); - virtual FX_BOOL GetVerticalGlyph(uint32_t glyphnum, uint32_t* vglyphnum) = 0; - - protected: - virtual ~IFX_GSUBTable() {} -}; - -CFX_ByteString GetNameFromTT(const uint8_t* name_table, - uint32_t name_table_size, - uint32_t name); - -int PDF_GetStandardFontName(CFX_ByteString* name); - -#endif // CORE_INCLUDE_FXGE_FX_FONT_H_ |