// $Id: fontman.h 1642 2006-08-02 10:15:44Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // implementation file for Camelots Font Managler, supposidly /* */ #ifndef INC_FONTMAN #define INC_FONTMAN //#include "list.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "listitem.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "fontbase.h" // #include "ccpanose.h" - included in fontbase.h #define DEFAULTFONTNAME _T("Times New Roman") #define DEFAULTHANDLE 0 #define ILLEGALFHANDLE 0x7FFF #define FIRSTFONTHANDLE 1 #define HNDLINVALID(handle) ((handle)==(ILLEGALFHANDLE)) #define HNDLVALID(handle) ((handle)!=(ILLEGALFHANDLE)) /******************************************************************************************** > class CachedFontItem : public ListItem Author: Mike_Kenny (Xara Group Ltd) Created: 13/9/95 Purpose: A font item cached by the font manager SeeAlso: ********************************************************************************************/ class CachedFontItem : public ListItem { friend class FontManager; friend class FontComponent; CC_DECLARE_DYNCREATE( CachedFontItem ) public: CachedFontItem(); ~CachedFontItem(); String_64* GetFontName(); WORD GetFontHandle() { return Handle; } FontClass GetFontClass(); BOOL Compare(String_64* pFontName); ENUMLOGFONT* GetEnumLogFont(); OUTLINETEXTMETRIC* GetOutlineTextMetric(); void SetIsCorrupt(BOOL flag) { FlagIsCorrupt = flag; }; void SetIsReplaced(BOOL flag) { FlagIsReplaced = flag; }; BOOL IsFullyCached(); BOOL IsCorrupt() { return FlagIsCorrupt; } BOOL IsValid() { return IsFullyCached(); }; BOOL IsReplaced() { return FlagIsReplaced; }; private: BOOL SetCacheData(ENUMLOGFONT* lpelf); void DeleteMetrics(); void DeleteFontClass(); void Delete(); void Dump(); private: FontBase* pFontClass; // The class of font (TRUETYPE, ATM etc) WORD Handle; // The allocated font handle ENUMLOGFONT* pEnumLogFont; // A description of the font OUTLINETEXTMETRIC* pOutlineTextMetric; BOOL FlagIsCorrupt; BOOL FlagIsReplaced; }; /******************************************************************************************** > class FontManager : public CCObject Author: Mike_Kenny (Xara Group Ltd) Created: 13/9/95 Purpose: The font manager controlling class SeeAlso: This font manager class acts as both a cache of used fonts in the various documents loaded into Camelot and an interface to the various font managers available to us. ********************************************************************************************/ class FontManager : public CCObject { CC_DECLARE_DYNCREATE( FontManager ) public: FontManager(); ~FontManager(); //************************************************************************************** // The Font Manager interface. Font based calls BOOL Init(); BOOL LegalFontClass(INT32 Class, FontClass& RealClass); WORD CacheNamedFont(String_64 *FontName, FontClass Class=FC_UNDEFINED); CachedFontItem* AddFont(String_64* Name, FontClass Class, WORD& Handle); CachedFontItem* GetFont(); CachedFontItem* GetFont(WORD Handle); CachedFontItem* GetFont(String_64 *pFontName, FontClass Class=FC_UNDEFINED); WORD GetFontHandle(String_64* pFontName, FontClass Class=FC_UNDEFINED); String_64* GetFontName(WORD Handle); BOOL GetFontName(WORD Handle, String_64& OutputString); FontClass GetFontClass(WORD Handle); ENUMLOGFONT* GetEnumLogFont(WORD Handle); OUTLINETEXTMETRIC* GetOutlineTextMetric(WORD Handle); CachedFontItem* GetFirstFont(); CachedFontItem* GetNextFont(CachedFontItem* pItem); CachedFontItem* GetCachedFont(WORD Handle); INT32 DoesFontExist(String_64 *pFontName, BOOL SearchCache, BOOL SearchInstalled); BOOL IsFontValid(WORD Handle); BOOL IsFontInstalled(String_64* pFontName, FontClass Class=FC_UNDEFINED); BOOL IsFontDefault(WORD Handle); BOOL IsFontDefault(CachedFontItem* pItem); BOOL IsFontReplaced(WORD Handle); BOOL IsFontReplaced(String_64* pFontName, FontClass Class=FC_UNDEFINED); BOOL IsFontUsedInDoc(WORD Handle, Document* pDocument); void OnDocumentLoaded(Document* pDocument); void GetCompatibleFont(const String_64& EncodedName, String_64& CompatibleFont, INT32& Style); void EncodeFontName(String_64& FontName, String_64& Encoded, INT32 Styles); void EncodeAndMapFontName(String_64& FontName, String_64& Encoded, INT32 Styles); INT32 DecodeFontName(const String_64& IStringRef, String_64& OStringRef); void ClearTempFont(); void SetTempFont(FontClass Class, String_64* pFontName, ENUMLOGFONT* lpelf); BOOL TempFontValid(); void RefreshCache(); void ValidateItem(FontClass Class, String_64* pFontName, ENUMLOGFONT *lpelf); void DumpFontCache(); void DumpFont(WORD Handle); //************************************************************************************** // Font manager - font based calls used by the new file format public: WORD FindTypeface(String_64 &TypeFaceName, FontClass Class); WORD FindClosestFont(const CCPanose &PanoseNumber); // the next function needs to be called from a callback function, hence it's public. // however, it shouldn't be used by anyone else. BOOL FindClosestFontFullTry(FontClass Class, String_64 *pTypeFaceName, ENUMLOGFONT *pEnumLogFont); private: WORD FindClosestFontFull(const CCPanose &PanoseNumber); WORD FindClosestFontQuick(const CCPanose &PanoseNumber); BOOL FindClosestFontQuickTry(WORD FontHandle); WORD FindClosestFontHandle; CCPanose FindClosestPanoseNumber; UINT32 FindClosestDistance; String_64 FindClosestTypeFaceName; FontClass FindClosestFontClass; ENUMLOGFONT FindClosestEnumLogFont; //************************************************************************************** // Character based calls public: void InvalidateCharMetrics(); BOOL GetCharMetrics(CNativeDC* pDC, WCHAR ch, CharDescription& FontDesc, CharMetrics* pCharMetrics); // jwp 15/10/2000 MILLIPOINT GetCharsKerning(CNativeDC* pDC, WCHAR chLeft, WCHAR chRight, CharDescription& FontDesc); BOOL GetCharPath(CharDescription& ChDesc, DocCoord** ppCoords, PathVerb** ppVerbs, UINT32* pNumCoords, CNativeDC* pDC=NULL); //************************************************************************************** private: CachedFontItem* FindFont(WORD Handle); CachedFontItem* FindFont(String_64* pFontName, FontClass Class=FC_UNDEFINED); WORD GetNextHandle(); CachedFontItem* GetFirstFontType(FontClass fclass); BOOL IsFullyCached(WORD Handle); BOOL TempCacheNamedFont(String_64* pFontName, FontClass=FC_UNDEFINED, INT32 Pass=1); BOOL CacheDefaultFont(); CachedFontItem* AddTempFont(String_64* pFontName, FontClass Class, WORD& hndle); void InvalidateCache(); void ResetDefaultFont(); BOOL IsFontUsedInSiblings(Node* pNode, WORD Handle, WORD CurrentHandle, UINT32 Level); private: WORD UniqueHandle; WORD DefaultHandle; List TheFontList; CachedFontItem DefaultFontItem; private: FontClass TempFontClass; String_64 TempFontName; ENUMLOGFONT TempEnumLogFont; }; /******************************************************************************************** > class EnumFonts : public OILEnumFonts Author: Mike_Kenny (Xara Group Ltd) Created: 13/9/95 Purpose: This class allows kernel level items to enumerate fonts. To use the class simply derive another from it and implement your own NewFont function. If you then call pMyEnumObj->Execute() your NewFont function will be called for every font the font manager and oil layer support. SeeAlso: ********************************************************************************************/ class EnumAllFonts : public OILEnumFonts { CC_DECLARE_DYNCREATE( EnumAllFonts ) public: EnumAllFonts() {}; virtual BOOL NewFont(FontClass Class, ENUMLOGFONT FAR* lpelf); }; #endif