// 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 XFA_FGAS_FONT_FGAS_GEFONT_H_ #define XFA_FGAS_FONT_FGAS_GEFONT_H_ #include <map> #include "xfa/fgas/crt/fgas_utils.h" #include "xfa/fgas/font/fgas_font.h" #define FXFONT_SUBST_ITALIC 0x02 class CXFA_PDFFontMgr; class CFGAS_GEFont { public: static CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage, IFGAS_FontMgr* pFontMgr); static CFGAS_GEFont* LoadFont(CFX_Font* pExtFont, IFGAS_FontMgr* pFontMgr); #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ static CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength, IFGAS_FontMgr* pFontMgr); static CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream, IFGAS_FontMgr* pFontMgr, FX_BOOL bSaveStream); #endif ~CFGAS_GEFont(); void Release(); CFGAS_GEFont* Retain(); CFGAS_GEFont* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0); void GetFamilyName(CFX_WideString& wsFamily) const; uint32_t GetFontStyles() const; uint8_t GetCharSet() const; FX_BOOL GetCharWidth(FX_WCHAR wUnicode, int32_t& iWidth, FX_BOOL bCharCode = FALSE); int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE); int32_t GetAscent() const; int32_t GetDescent() const; FX_BOOL GetCharBBox(FX_WCHAR wUnicode, CFX_Rect& bbox, FX_BOOL bCharCode = FALSE); FX_BOOL GetBBox(CFX_Rect& bbox); int32_t GetItalicAngle() const; void Reset(); CFGAS_GEFont* GetSubstFont(int32_t iGlyphIndex) const; CFX_Font* GetDevFont() const { return m_pFont; } void SetFontProvider(CXFA_PDFFontMgr* pProvider) { m_pProvider = pProvider; } #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ void SetLogicalFontStyle(uint32_t dwLogFontStyle) { m_bUseLogFontStyle = TRUE; m_dwLogFontStyle = dwLogFontStyle; } #endif protected: explicit CFGAS_GEFont(IFGAS_FontMgr* pFontMgr); CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles); #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ FX_BOOL LoadFontInternal(const FX_WCHAR* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage); FX_BOOL LoadFontInternal(const uint8_t* pBuffer, int32_t length); FX_BOOL LoadFontInternal(IFX_Stream* pFontStream, FX_BOOL bSaveStream); #endif FX_BOOL LoadFontInternal(CFX_Font* pExtFont); FX_BOOL InitFont(); FX_BOOL GetCharBBoxInternal(FX_WCHAR wUnicode, CFX_Rect& bbox, FX_BOOL bRecursive, FX_BOOL bCharCode = FALSE); FX_BOOL GetCharWidthInternal(FX_WCHAR wUnicode, int32_t& iWidth, FX_BOOL bRecursive, FX_BOOL bCharCode = FALSE); int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bRecursive, CFGAS_GEFont** ppFont, FX_BOOL bCharCode = FALSE); #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ FX_BOOL m_bUseLogFontStyle; uint32_t m_dwLogFontStyle; #endif CFX_Font* m_pFont; IFGAS_FontMgr* m_pFontMgr; int32_t m_iRefCount; FX_BOOL m_bExtFont; IFX_Stream* m_pStream; IFX_FileRead* m_pFileRead; CFX_UnicodeEncoding* m_pFontEncoding; CFX_WordDiscreteArray* m_pCharWidthMap; CFX_MassArrayTemplate<CFX_Rect>* m_pRectArray; CFX_MapPtrToPtr* m_pBBoxMap; CXFA_PDFFontMgr* m_pProvider; uint16_t m_wCharSet; CFX_ArrayTemplate<CFGAS_GEFont*> m_SubstFonts; std::map<FX_WCHAR, CFGAS_GEFont*> m_FontMapper; }; #endif // XFA_FGAS_FONT_FGAS_GEFONT_H_