ftpfr.c File Reference

#include <ft2build.h>

Include dependency graph for ftpfr.c:

Go to the source code of this file.

Functions
static FT_Service_PfrMetrics	ft_pfr_check (FT_Face face)
	FT_Get_PFR_Metrics (FT_Face face, FT_UInt *aoutline_resolution, FT_UInt *ametrics_resolution, FT_Fixed *ametrics_x_scale, FT_Fixed *ametrics_y_scale)
	FT_Get_PFR_Kerning (FT_Face face, FT_UInt left, FT_UInt right, FT_Vector *avector)
	FT_Get_PFR_Advance (FT_Face face, FT_UInt gindex, FT_Pos *aadvance)

Function Documentation

FT_Get_PFR_Advance()

FT_Get_PFR_Advance	(	FT_Face	face,
		FT_UInt	gindex,
		FT_Pos *	aadvance
	)

Definition at line 128 of file ftpfr.c.

  {
    FT_Error               error;
    FT_Service_PfrMetrics  service;
 
 
    if ( !face )
      return FT_THROW( Invalid_Face_Handle );
 
    if ( !aadvance )
      return FT_THROW( Invalid_Argument );
 
    service = ft_pfr_check( face );
    if ( service )
      error = service->get_advance( face, gindex, aadvance );
    else
      /* XXX: TODO: PROVIDE ADVANCE-LOADING METHOD TO ALL FONT DRIVERS */
      error = FT_THROW( Invalid_Argument );
 
    return error;
  }

FT_Get_PFR_Kerning()

FT_Get_PFR_Kerning	(	FT_Face	face,
		FT_UInt	left,
		FT_UInt	right,
		FT_Vector *	avector
	)

Definition at line 99 of file ftpfr.c.

  {
    FT_Error               error;
    FT_Service_PfrMetrics  service;
 
 
    if ( !face )
      return FT_THROW( Invalid_Face_Handle );
 
    if ( !avector )
      return FT_THROW( Invalid_Argument );
 
    service = ft_pfr_check( face );
    if ( service )
      error = service->get_kerning( face, left, right, avector );
    else
      error = FT_Get_Kerning( face, left, right,
                              FT_KERNING_UNSCALED, avector );
 
    return error;
  }

FT_Get_PFR_Metrics()

FT_Get_PFR_Metrics	(	FT_Face	face,
		FT_UInt *	aoutline_resolution,
		FT_UInt *	ametrics_resolution,
		FT_Fixed *	ametrics_x_scale,
		FT_Fixed *	ametrics_y_scale
	)

Definition at line 42 of file ftpfr.c.

  {
    FT_Error               error = FT_Err_Ok;
    FT_Service_PfrMetrics  service;
 
 
    if ( !face )
      return FT_THROW( Invalid_Face_Handle );
 
    service = ft_pfr_check( face );
    if ( service )
    {
      error = service->get_metrics( face,
                                    aoutline_resolution,
                                    ametrics_resolution,
                                    ametrics_x_scale,
                                    ametrics_y_scale );
    }
    else
    {
      FT_Fixed  x_scale, y_scale;
 
 
      /* this is not a PFR font */
      if ( aoutline_resolution )
        *aoutline_resolution = face->units_per_EM;
 
      if ( ametrics_resolution )
        *ametrics_resolution = face->units_per_EM;
 
      x_scale = y_scale = 0x10000L;
      if ( face->size )
      {
        x_scale = face->size->metrics.x_scale;
        y_scale = face->size->metrics.y_scale;
      }
 
      if ( ametrics_x_scale )
        *ametrics_x_scale = x_scale;
 
      if ( ametrics_y_scale )
        *ametrics_y_scale = y_scale;
 
      error = FT_THROW( Unknown_File_Format );
    }
 
    return error;
  }

ft_pfr_check()

static FT_Service_PfrMetrics ft_pfr_check ( FT_Face  face )

static

Definition at line 27 of file ftpfr.c.

  {
    FT_Service_PfrMetrics  service = NULL;
 
 
    if ( face )
      FT_FACE_LOOKUP_SERVICE( face, service, PFR_METRICS );
 
    return service;
  }

Referenced by FT_Get_PFR_Advance(), FT_Get_PFR_Kerning(), and FT_Get_PFR_Metrics().