ttfonts.h

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// $Id: ttfonts.h 751 2006-03-31 15:43:49Z alex $
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 */
// header file for TrueType Font manager winoil inclusion

/*
*/

#ifndef INC_TTFONTS
#define INC_TTFONTS

//#include "ccpanose.h"
#include "fontbase.h"

// Forward definitions
class OILEnumFonts;

/********************************************************************************************
>   class TTFont : public FontBase
            
    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/9/95
    Purpose:    A class description of a true type font.
********************************************************************************************/

class TTFont : public FontBase
{
    CC_DECLARE_DYNCREATE(TTFont)

public:
     TTFont();
    ~TTFont();

    virtual FontClass GetFontClass() { return FC_TRUETYPE; };
    virtual void Dump();
};


/********************************************************************************************

>   class TTFontMan : public CCObject
            
    Author:     Mike_Kenny (Xara Group Ltd) <camelotdev@xara.com>
    Created:    14/9/95
    Purpose:    A static class to allow acces to TrueType fonts.

********************************************************************************************/

class TTFontMan : public CCObject
{
    CC_DECLARE_DYNCREATE(TTFontMan)

    friend class OILFontMan;

// constructor
public:
    TTFontMan();

// the support interface (functions in class OILFontMan will use these)
private:
    static BOOL     IsOkToCall();
    static BOOL     CacheNamedFont(String_64* pFont);
    static BOOL     CacheCompatibleFont(String_64* pFont);
    static void     ValidateCache();
    static void     FindClosestFont();
    static TTFont*  CreateNewFont(String_64* pFontName);
    static OUTLINETEXTMETRIC* GetOutlineTextMetric(LOGFONT *pLogFont);

// function called by class EnumFonts as a method for the kernel to enumerate all the installed fonts
public:
    static void     EnumAllFonts(OILEnumFonts* pClass);
};

// functions called as callbacks from some of the previous functions. The names break one
// of the style rules, but this is to re-enforce the fact that while these functions are
// global they should be treated as members of the TTFontMan class.
// They can't be member functions, since they are used as callback functions. The last
// function isn't used as a callback, but is called from the other threee. This way seems
// neatest.

INT32 APIENTRY  TTFontMan_CallBackCacheNamedFont(ENUMLOGFONT FAR* lpelf,
                                                 NEWTEXTMETRIC FAR* lpntm,
                                                 INT32 FontType,
                                                 LPARAM lParam);
INT32 APIENTRY  TTFontMan_CallBackValidateFont(ENUMLOGFONT FAR* lpelf,
                                               NEWTEXTMETRIC FAR* lpntm,
                                               INT32 FontType,
                                               LPARAM lParam);
INT32 APIENTRY  TTFontMan_CallBackDispatchFont(ENUMLOGFONT FAR* lpelf,
                                               NEWTEXTMETRIC FAR* lpntm,
                                               INT32 FontType,
                                               LPARAM lParam);
INT32 APIENTRY  TTFontMan_CallBackFindClosestFont(ENUMLOGFONT FAR* lpelf,
                                                  NEWTEXTMETRIC FAR* lpntm,
                                                  INT32 FontType,
                                                  LPARAM lParam);

#endif

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