129 lines
4 KiB
C
129 lines
4 KiB
C
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/***************************************************************************
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* fontinfo.h - declarations for the font info class
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*
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* This header defines interfaces for the following classes:
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* OS_2TableClass - holds info from the OS_2 table (not true class)
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* TTFInfoClass - holds partial info from the TT file.
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* FontInfoClass - hold font info - this is the true public interface
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*
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* By putting these guys in classes, not only do we ensure they're not
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* used in some bad fashions, but we can automatically handle memory
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* release (via destructors)
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*
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* Copyright (C) 1992-93 ElseWare Corporation. All rights reserved.
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***************************************************************************/
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#ifndef __FONTINFO_H__
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#define __FONTINFO_H__
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typedef TCHAR FQNAME[255];
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class far OS_2TableClass {
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public : OS_2TableClass () {};
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public : // fields:
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WORD wVersion;
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short ixAvgCharWidth;
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WORD wusWeightClass;
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WORD wusWidthClass;
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short ifsType;
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short iySubXSize;
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short iySubYSize;
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short iySubXOffset;
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short iySubYOffset;
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short iySupXSize;
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short iySupYSize;
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short iySupXOffset;
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short iySupYOffset;
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short iyStrikeoutSize;
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short iyStrikeoutPosition;
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short isFamilyClass;
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PANOSEBytesClass PANOSE;
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ULONG ulCharRange[4];
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TCHAR achVendID[4];
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WORD wfsSelection;
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WORD wusFirstCharIndex;
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WORD wusLastCharIndex;
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WORD wusTypoAscender;
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WORD wusTypeoDescender;
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WORD wwsTypoLineGap;
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WORD wusWinAscent;
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WORD wusWinDescent;
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};
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typedef OS_2TableClass* LPOS_2TABLE;
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/* The string block is a dynamically allocated section of the
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* TRUETYPE info block. We don't have any idea how big these guys
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* can be until we probe and dig into the file
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*/
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typedef struct _tagStrings {
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LPTSTR m_lpszCopyright;
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LPTSTR m_lpszTrademark;
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LPTSTR m_lpszVersion;
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} InfoStrings_t, FAR* LPInfoStrings;
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class far TTFInfoClass {
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public :
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TTFInfoClass () { vClear (); };
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~TTFInfoClass () { vFree (); };
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VOID vFree( ) { if (m_lpInfoStrings.m_lpszCopyright)
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delete[] m_lpInfoStrings.m_lpszCopyright;
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if( m_lpInfoStrings.m_lpszTrademark )
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delete[] m_lpInfoStrings.m_lpszTrademark;
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if( m_lpInfoStrings.m_lpszVersion )
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delete[] m_lpInfoStrings.m_lpszVersion;
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vClear (); };
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BOOL bLoadInfo( HDC hDC );
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// BOOL bGrowTTFInfo (WORD wLen, LPWORD, LPWORD);
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private : // routines
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VOID vClear( ) { memset (this, 0, sizeof(*this) ); };
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public : // fields
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InfoStrings_t m_lpInfoStrings; // The OS2 table we've allocated
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};
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class FontInfoClass {
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public : // routines
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FontInfoClass () { vClear(); };
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VOID vClear () { m_bValid = FALSE; vFree (); };
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VOID vFree () { m_xTTFInfo.vFree(); };
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LPTSTR lpGetTrademark ()
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{ LPTSTR lp = NULL;
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if( m_bValid )
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lp = m_xTTFInfo.m_lpInfoStrings.m_lpszTrademark;
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return lp; };
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LPTSTR lpGetCopyright ()
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{ LPTSTR lp = NULL;
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if( m_bValid )
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lp = m_xTTFInfo.m_lpInfoStrings.m_lpszCopyright;
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return lp; };
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void vGetVersion( UINT id, PTSTR szVersion );
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BOOL bGetFontInfo( CFontClass* lpFontRec );
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BOOL bValid( ) { return m_bValid; };
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private : // fields
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BOOL m_bValid;
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TTFInfoClass m_xTTFInfo;
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OS_2TableClass m_OS_2Table;
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};
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#endif
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/****************************************************************************
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* $lgb$
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* 1.0 7-Mar-94 eric Initial revision.
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* $lge$
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*
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****************************************************************************/
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