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Unified Diff: core/include/fxge/fx_font.h

Issue 1868533002: Move core/include/fxge to core/fxge/include. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 8 months ago
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Index: core/include/fxge/fx_font.h
diff --git a/core/include/fxge/fx_font.h b/core/include/fxge/fx_font.h
deleted file mode 100644
index 4e2b97e6774c7ad0cf855ed519e08b17f09e60fc..0000000000000000000000000000000000000000
--- 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_
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