t1lib.h

source code: Covert TXT to PDF

/* Definitions for font subsetting */
#define T1_SUBSET_DEFAULT            0x00
#define T1_SUBSET_FORCE_REENCODE     0x01
#define T1_SUBSET_SKIP_REENCODE      0x02
#define T1_SUBSET_ENCRYPT_BINARY     0x04
/* This is only for debugging, it does not produce valid font-files!
   This flag is not in the documented API!. */
#define T1_SUBSET_ENCRYPT_NONE       0x08


/* Two structures for handling composite character data */
/* One structure for each symbol of the composite character */
typedef struct
{
  int piece;               /* the index of the current symbol */
  int deltax;              /* horizontal displacement of current symbol in CS */ 
  int deltay;              /* vertical displacement of current symbol in CS */ 
} T1_COMP_PIECE;

/* This one defines the composite character, the number of pieces and how to
   access their data. */
typedef struct 
{
  int compchar;             /* the base character in the current encoding */
  int numPieces;            /* the number of defined pieces including the base char */
  T1_COMP_PIECE *pieces;   /* a pointer to the pieces' information */
} T1_COMP_CHAR_INFO;



/* function declarations: */

/* from t1base.c */
extern void *T1_InitLib( int log);
extern int T1_CloseLib( void);
extern int T1_AddFont( char *fontfilename);
extern void T1_PrintLog( char *func_ident, char *msg_txt, int level, ...);
extern void T1_SetLogLevel( int level);
extern int CheckForInit(void);
extern int CheckForFontID( int FontID);
extern int test_for_t1_file( char *buffer );
extern char *T1_GetFontFileName( int FontID);
extern int  T1_Get_no_fonts(void);
extern int T1_SetDeviceResolutions( float x_res, float y_res);
extern int T1_CopyFont( int FontID);
extern int T1_QueryX11Support( void);
extern void bin_dump_c(unsigned char value);
extern void bin_dump_s(unsigned short value);
extern void bin_dump_l(unsigned long value);
extern int T1_CheckEndian(void);
extern int T1_SetBitmapPad( int pad);
extern int T1_GetBitmapPad( void);
extern char *T1_GetLibIdent( void);
extern void T1_SetRasterFlags( int flags);
extern char *T1_GetAfmFileName( int FontID);
extern int T1_SetAfmFileName( int FontId, char *afm_name);
extern char *T1_GetFontFilePath( int FontID);
extern char *T1_GetAfmFilePath( int FontID);

/* from t1delete.c */
extern int T1_DeleteSize( int FontID, float size);
extern int T1_DeleteAllSizes( int FontID);
extern int T1_FreeGlyph( GLYPH *glyph);
extern int T1_FreeCompCharData( T1_COMP_CHAR_INFO *cci);
extern int T1_DeleteFont( int FontID);

/* from t1enc.c */
extern char **T1_LoadEncoding( char *FileName);
extern int T1_DeleteEncoding( char **encoding);
extern int T1_ReencodeFont( int FontID, char **Encoding);
extern int T1_SetDefaultEncoding( char **encoding);
extern char *T1_GetEncodingScheme( int FontID);

/* from t1env.c */
extern int T1_SetFileSearchPath( int type, char *pathname);
extern int T1_AddToFileSearchPath( int pathtype, int mode, char *pathname);
extern char *T1_GetFileSearchPath( int type);
extern int T1_SetFontDataBase( char *filename);
extern int T1_AddFontDataBase( int mode, char *filename);

/* from t1finfo.c */
extern int T1_GetKerning( int FontID, char char1,
			  char char2);
extern int T1_GetCharWidth( int FontID, char char1);
extern BBox T1_GetCharBBox( int FontID, char char1);
extern float T1_GetUnderlinePosition( int FontID);
extern float T1_GetUnderlineThickness( int FontID);
extern float T1_GetItalicAngle( int FontID);
extern int T1_GetIsFixedPitch( int FontID);
extern char *T1_GetFontName( int FontID);
extern char *T1_GetFullName( int FontID);
extern char *T1_GetFamilyName( int FontID);
extern char *T1_GetWeight( int FontID);
extern char *T1_GetVersion( int FontID);
extern char *T1_GetNotice( int FontID);
extern char *T1_GetCharName( int FontID, char char1);
extern int T1_QueryLigs( int FontID,
			 char char1,
			 char **successors,
			 char **ligatures);
extern int T1_GetEncodingIndex( int FontID, char *char1);
extern int *T1_GetEncodingIndices( int FontID, char *char1);
extern int T1_GetStringWidth( int FontID, char *string,
			      int len,  long spaceoff, int kerning);
extern BBox T1_GetStringBBox( int FontID, char *string,
			      int len,  long spaceoff, int kerning);
extern METRICSINFO T1_GetMetricsInfo( int FontID, char *string,
				      int len,  long spaceoff, int kerning);
extern BBox T1_GetFontBBox( int FontID);
extern char **T1_GetAllCharNames( int FontID);
extern int T1_GetNoKernPairs( int FontID);
extern int T1_GetNoCompositeChars( int FontID);
extern int T1_QueryCompositeChar( int FontID, char char1);
extern T1_COMP_CHAR_INFO *T1_GetCompCharData( int FontID, char char1);
extern T1_COMP_CHAR_INFO *T1_GetCompCharDataByIndex( int FontID, int index);
extern int T1_IsInternalChar( int FontID, char char1);

/* from t1load.c */
extern int T1_LoadFont( int FontID);
extern int openFontMetricsFile( int FontID);
extern void *CreateNewFontSize( int FontID, float size, int aa);
extern void *GetLastFontSize( int FontID);
extern void *QueryFontSize( int FontID, float size, int aa);

/* from t1set.c */
extern GLYPH *T1_SetChar( int FontID, char charcode, 
			  float size, T1_TMATRIX *transform);
extern GLYPH *T1_SetString( int FontID, char *string, int len,
			    long spaceoff, int modflag,
			    float size, T1_TMATRIX *transform);
extern GLYPH *T1_CopyGlyph(GLYPH *glyph);
extern void T1_DumpGlyph( GLYPH *glyph);
extern GLYPH *T1_ConcatGlyphs( GLYPH *glyph1, GLYPH *glyph2,
			       int x_off, int y_off, int modflag);
extern void T1_DumpPixmap( GLYPH *glyph);
extern GLYPH *T1_FillOutline( T1_OUTLINE *path, int modflag);

/* from t1trans.c */
extern int T1_ExtendFont( int FontID, double extend);
extern int T1_SlantFont( int FontID, double slant);
extern int T1_TransformFont( int FontID, T1_TMATRIX *matrix);
extern double T1_GetExtend( int FontID);
extern double T1_GetSlant( int FontID);
extern T1_TMATRIX T1_GetTransform( int FontID);
extern int T1_SetLinePosition( int FontID, int linetype, float value);
extern int T1_SetLineThickness( int FontID, int linetype, float value);
extern float T1_GetLinePosition( int FontID, int linetype);
extern float T1_GetLineThickness( int FontID, int linetype);
extern T1_TMATRIX *T1_RotateMatrix( T1_TMATRIX *matrix, double angle);
extern T1_TMATRIX *T1_MirrorHMatrix( T1_TMATRIX *matrix);
extern T1_TMATRIX *T1_MirrorVMatrix( T1_TMATRIX *matrix);
extern T1_TMATRIX *T1_ShearHMatrix( T1_TMATRIX *matrix, double shear);
extern T1_TMATRIX *T1_ShearVMatrix( T1_TMATRIX *matrix, double shear);
extern T1_TMATRIX *T1_ExtendHMatrix( T1_TMATRIX *matrix, double extent);
extern T1_TMATRIX *T1_ExtendVMatrix( T1_TMATRIX *matrix, double extent);
extern T1_TMATRIX *T1_TransformMatrix( T1_TMATRIX *matrix,
				       double cxx, double cyx,
				       double cxy, double cyy);


/* from t1aaset.c */
extern GLYPH *T1_AASetChar( int FontID, char charcode, 
			    float size, T1_TMATRIX *transform);
extern GLYPH *T1_AASetString( int FontID, char *string, int len,
			      long spaceoff, int modflag,
			      float size, T1_TMATRIX *transform);
extern int T1_AASetGrayValues(unsigned long white,
			      unsigned long gray75,
			      unsigned long gray50,
			      unsigned long gray25,
			      unsigned long black);
extern int T1_AAHSetGrayValues( unsigned long *grayvals);
extern int T1_AANSetGrayValues( unsigned long bg, unsigned long fg);
extern int T1_AAGetGrayValues( long *pgrayvals);
extern int T1_AAHGetGrayValues( long *pgrayvals);
extern int T1_AANGetGrayValues( long *pgrayvals);
extern int T1_AASetBitsPerPixel( int bpp);
extern int T1_AAGetBitsPerPixel( void);
extern int T1_AASetLevel( int level);
extern int T1_AAGetLevel( void);
extern GLYPH *T1_AAFillOutline( T1_OUTLINE *path, int modflag);
extern int T1_AASetSmartLimits( float limit1, float limit2);
extern int T1_AASetSmartMode( int smart);


/* from t1afmtool.c */
extern int      T1_WriteAFMFallbackFile( int FontID);

/* from t1outline.c */
extern T1_OUTLINE *T1_GetCharOutline( int FontID, char charcode,
				      float size, T1_TMATRIX *transform);
extern T1_OUTLINE *T1_GetStringOutline( int FontID, char *string, int len, 
					long spaceoff, int modflag,
					float size, T1_TMATRIX *transform);
extern T1_OUTLINE *T1_ConcatOutlines( T1_OUTLINE *path1,
				      T1_OUTLINE *path2);
extern T1_OUTLINE *T1_ScaleOutline( T1_OUTLINE *path, float scale);
extern T1_OUTLINE *T1_GetMoveOutline( int FontID, int deltax, int deltay, int modflag,
				      float size, T1_TMATRIX *transform);
extern void T1_DumpPath( T1_OUTLINE *path);
extern void T1_AbsolutePath( T1_OUTLINE *rpath);
extern void T1_RelativePath( T1_OUTLINE *apath);
extern void T1_ManipulatePath( T1_OUTLINE *path,
			       void (*manipulate)(long *x,long *y,int type));
extern T1_OUTLINE *T1_CopyOutline( T1_OUTLINE *path);
extern void T1_FreeOutline( T1_OUTLINE *path);


/* from t1subset.c */
extern char *T1_SubsetFont( int FontID,
			    char *mask,
			    unsigned int flags,
			    int linewidth,
			    unsigned long maxblocksize,
			    unsigned long *bufsize);
extern char *T1_GetCharString( int FontID, char *charname, int *len);
extern int T1_GetlenIV( int FontID);


#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

#endif /* T1LIB_H_INCLUDED */