afshaper.c File Reference

#include <ft2build.h>
#include "afglobal.h"
#include "aftypes.h"
#include "afshaper.h"

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Functions
FT_Error	af_shaper_get_coverage (AF_FaceGlobals globals, AF_StyleClass style_class, FT_UShort *gstyles, FT_Bool default_script)
void *	af_shaper_buf_create (FT_Face face)
void	af_shaper_buf_destroy (FT_Face face, void *buf)
const char *	af_shaper_get_cluster (const char *p, AF_StyleMetrics metrics, void *buf_, unsigned int *count)
FT_ULong	af_shaper_get_elem (AF_StyleMetrics metrics, void *buf_, unsigned int idx, FT_Long *advance, FT_Long *y_offset)

Function Documentation

af_shaper_buf_create()

void * af_shaper_buf_create

(

FT_Face

face

)

Definition at line 592 of file afshaper.c.

  {
    FT_Error   error;
    FT_Memory  memory = face->memory;
    FT_ULong*  buf;
 
 
    FT_MEM_ALLOC( buf, sizeof ( FT_ULong ) );
 
    return (void*)buf;
  }

Referenced by af_latin_metrics_check_digits(), af_latin_metrics_init_blues(), and af_latin_metrics_init_widths().

af_shaper_buf_destroy()

void af_shaper_buf_destroy	(	FT_Face	face,
		void *	buf
	)

Definition at line 606 of file afshaper.c.

  {
    FT_Memory  memory = face->memory;
 
 
    FT_FREE( buf );
  }

Referenced by af_latin_metrics_check_digits(), af_latin_metrics_init_blues(), and af_latin_metrics_init_widths().

af_shaper_get_cluster()

const char * af_shaper_get_cluster	(	const char *	p,
		AF_StyleMetrics	metrics,
		void *	buf_,
		unsigned int *	count
	)

Definition at line 617 of file afshaper.c.

  {
    FT_Face    face      = metrics->globals->face;
    FT_ULong   ch, dummy = 0;
    FT_ULong*  buf       = (FT_ULong*)buf_;
 
 
    while ( *p == ' ' )
      p++;
 
    GET_UTF8_CHAR( ch, p );
 
    /* since we don't have an engine to handle clusters, */
    /* we scan the characters but return zero            */
    while ( !( *p == ' ' || *p == '\0' ) )
      GET_UTF8_CHAR( dummy, p );
 
    if ( dummy )
    {
      *buf   = 0;
      *count = 0;
    }
    else
    {
      *buf   = FT_Get_Char_Index( face, ch );
      *count = 1;
    }
 
    return p;
  }

Referenced by af_latin_metrics_check_digits(), af_latin_metrics_init_blues(), and af_latin_metrics_init_widths().

af_shaper_get_coverage()

FT_Error af_shaper_get_coverage	(	AF_FaceGlobals	globals,
		AF_StyleClass	style_class,
		FT_UShort *	gstyles,
		FT_Bool	default_script
	)

Definition at line 577 of file afshaper.c.

  {
    FT_UNUSED( globals );
    FT_UNUSED( style_class );
    FT_UNUSED( gstyles );
    FT_UNUSED( default_script );
 
    return FT_Err_Ok;
  }

Referenced by af_face_globals_compute_style_coverage().

af_shaper_get_elem()

FT_ULong af_shaper_get_elem	(	AF_StyleMetrics	metrics,
		void *	buf_,
		unsigned int	idx,
		FT_Long *	advance,
		FT_Long *	y_offset
	)

Definition at line 653 of file afshaper.c.

  {
    FT_Face   face        = metrics->globals->face;
    FT_ULong  glyph_index = *(FT_ULong*)buf_;
 
    FT_UNUSED( idx );
 
 
    if ( advance )
      FT_Get_Advance( face,
                      glyph_index,
                      FT_LOAD_NO_SCALE         |
                      FT_LOAD_NO_HINTING       |
                      FT_LOAD_IGNORE_TRANSFORM,
                      advance );
 
    if ( y_offset )
      *y_offset = 0;
 
    return glyph_index;
  }

Referenced by af_latin_metrics_check_digits(), af_latin_metrics_init_blues(), and af_latin_metrics_init_widths().