gxvlcar.c File Reference

#include "gxvalid.h"
#include "gxvcommn.h"

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Classes
struct	GXV_lcar_DataRec_

Macros
#define	FT_COMPONENT   trace_gxvlcar
#define	GXV_LCAR_DATA(FIELD)   GXV_TABLE_DATA( lcar, FIELD )

Typedefs
typedef struct GXV_lcar_DataRec_	GXV_lcar_DataRec
typedef struct GXV_lcar_DataRec_ *	GXV_lcar_Data

Functions
static void	gxv_lcar_partial_validate (FT_Short partial, FT_UShort glyph, GXV_Validator gxvalid)
static void	gxv_lcar_LookupValue_validate (FT_UShort glyph, GXV_LookupValueCPtr value_p, GXV_Validator gxvalid)
static GXV_LookupValueDesc	gxv_lcar_LookupFmt4_transit (FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, GXV_Validator gxvalid)
	gxv_lcar_validate (FT_Bytes table, FT_Face face, FT_Validator ftvalid)

Macro Definition Documentation

FT_COMPONENT

#define FT_COMPONENT   trace_gxvlcar

Definition at line 39 of file gxvlcar.c.

GXV_LCAR_DATA

#define GXV_LCAR_DATA

(

FIELD

)

GXV_TABLE_DATA( lcar, FIELD )

Definition at line 57 of file gxvlcar.c.

Typedef Documentation

GXV_lcar_Data

typedef struct GXV_lcar_DataRec_ * GXV_lcar_Data

GXV_lcar_DataRec

typedef struct GXV_lcar_DataRec_ GXV_lcar_DataRec

Function Documentation

gxv_lcar_LookupFmt4_transit()

static GXV_LookupValueDesc gxv_lcar_LookupFmt4_transit ( FT_UShort  relative_gindex, GXV_LookupValueCPtr  base_value_p, FT_Bytes  lookuptbl_limit, GXV_Validator  gxvalid  )

static

Definition at line 149 of file gxvlcar.c.

  {
    FT_Bytes             p;
    FT_Bytes             limit;
    FT_UShort            offset;
    GXV_LookupValueDesc  value;

    FT_UNUSED( lookuptbl_limit );

    /* XXX: check range? */
    offset = (FT_UShort)( base_value_p->u +
                          relative_gindex * sizeof ( FT_UShort ) );
    p      = gxvalid->root->base + offset;
    limit  = gxvalid->root->limit;

    GXV_LIMIT_CHECK ( 2 );
    value.u = FT_NEXT_USHORT( p );

    return value;
  }

Referenced by gxv_lcar_validate().

gxv_lcar_LookupValue_validate()

static void gxv_lcar_LookupValue_validate ( FT_UShort  glyph, GXV_LookupValueCPtr  value_p, GXV_Validator  gxvalid  )

static

Definition at line 86 of file gxvlcar.c.

  {
    FT_Bytes   p     = gxvalid->root->base + value_p->u;
    FT_Bytes   limit = gxvalid->root->limit;
    FT_UShort  count;
    FT_Short   partial;
    FT_UShort  i;


    GXV_NAME_ENTER( "element in lookupTable" );

    GXV_LIMIT_CHECK( 2 );
    count = FT_NEXT_USHORT( p );

    GXV_LIMIT_CHECK( 2 * count );
    for ( i = 0; i < count; i++ )
    {
      partial = FT_NEXT_SHORT( p );
      gxv_lcar_partial_validate( partial, glyph, gxvalid );
    }

    GXV_EXIT;
  }

Referenced by gxv_lcar_validate().

gxv_lcar_partial_validate()

static void gxv_lcar_partial_validate ( FT_Short  partial, FT_UShort  glyph, GXV_Validator  gxvalid  )

static

Definition at line 69 of file gxvlcar.c.

  {
    GXV_NAME_ENTER( "partial" );

    if ( GXV_LCAR_DATA( format ) != 1 )
      goto Exit;

    gxv_ctlPoint_validate( glyph, (FT_UShort)partial, gxvalid );

  Exit:
    GXV_EXIT;
  }

Referenced by gxv_lcar_LookupValue_validate().

gxv_lcar_validate()

gxv_lcar_validate	(	FT_Bytes	table,
		FT_Face	face,
		FT_Validator	ftvalid
	)

Definition at line 183 of file gxvlcar.c.

  {
    FT_Bytes          p     = table;
    FT_Bytes          limit = 0;
    GXV_ValidatorRec  gxvalidrec;
    GXV_Validator     gxvalid = &gxvalidrec;

    GXV_lcar_DataRec  lcarrec;
    GXV_lcar_Data     lcar = &lcarrec;

    FT_Fixed          version;


    gxvalid->root       = ftvalid;
    gxvalid->table_data = lcar;
    gxvalid->face       = face;

    FT_TRACE3(( "validating `lcar' table\n" ));
    GXV_INIT;

    GXV_LIMIT_CHECK( 4 + 2 );
    version = FT_NEXT_LONG( p );
    GXV_LCAR_DATA( format ) = FT_NEXT_USHORT( p );

    if ( version != 0x00010000UL)
      FT_INVALID_FORMAT;

    if ( GXV_LCAR_DATA( format ) > 1 )
      FT_INVALID_FORMAT;

    gxvalid->lookupval_sign   = GXV_LOOKUPVALUE_UNSIGNED;
    gxvalid->lookupval_func   = gxv_lcar_LookupValue_validate;
    gxvalid->lookupfmt4_trans = gxv_lcar_LookupFmt4_transit;
    gxv_LookupTable_validate( p, limit, gxvalid );

    FT_TRACE4(( "\n" ));
  }