ftgasp.h File Reference

#include <freetype/freetype.h>

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Macros
#define	FT_GASP_NO_TABLE   -1
#define	FT_GASP_DO_GRIDFIT   0x01
#define	FT_GASP_DO_GRAY   0x02
#define	FT_GASP_SYMMETRIC_GRIDFIT   0x04
#define	FT_GASP_SYMMETRIC_SMOOTHING   0x08

Functions
	FT_Get_Gasp (FT_Face face, FT_UInt ppem)

Macro Definition Documentation

FT_GASP_DO_GRAY

#define FT_GASP_DO_GRAY   0x02

Definition at line 96 of file ftgasp.h.

FT_GASP_DO_GRIDFIT

#define FT_GASP_DO_GRIDFIT   0x01

Definition at line 95 of file ftgasp.h.

FT_GASP_NO_TABLE

#define FT_GASP_NO_TABLE   -1

Definition at line 94 of file ftgasp.h.

FT_GASP_SYMMETRIC_GRIDFIT

#define FT_GASP_SYMMETRIC_GRIDFIT   0x04

Definition at line 97 of file ftgasp.h.

FT_GASP_SYMMETRIC_SMOOTHING

#define FT_GASP_SYMMETRIC_SMOOTHING   0x08

Definition at line 98 of file ftgasp.h.

Function Documentation

FT_Get_Gasp()

FT_Get_Gasp	(	FT_Face	face,
		FT_UInt	ppem
	)

Definition at line 24 of file ftgasp.c.

  {
    FT_Int  result = FT_GASP_NO_TABLE;
 
 
    if ( face && FT_IS_SFNT( face ) )
    {
      TT_Face  ttface = (TT_Face)face;
 
 
      if ( ttface->gasp.numRanges > 0 )
      {
        TT_GaspRange  range     = ttface->gasp.gaspRanges;
        TT_GaspRange  range_end = range + ttface->gasp.numRanges;
 
 
        while ( ppem > range->maxPPEM )
        {
          range++;
          if ( range >= range_end )
            goto Exit;
        }
 
        result = range->gaspFlag;
 
        /* ensure that we don't have spurious bits */
        if ( ttface->gasp.version == 0 )
          result &= 3;
      }
    }
  Exit:
    return result;
  }