gxvmort.h File Reference

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

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Classes
struct	GXV_mort_featureRec_

Macros
#define	GXV_MORT_FEATURE_OFF   {0, 1, 0x00000000UL, 0x00000000UL}
#define	IS_GXV_MORT_FEATURE_OFF(f)

Typedefs
typedef struct GXV_mort_featureRec_	GXV_mort_featureRec
typedef struct GXV_mort_featureRec_ *	GXV_mort_feature

Functions
	gxv_mort_featurearray_validate (FT_Bytes table, FT_Bytes limit, FT_ULong nFeatureFlags, GXV_Validator gxvalid)
	gxv_mort_coverage_validate (FT_UShort coverage, GXV_Validator gxvalid)
	gxv_mort_subtable_type0_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
	gxv_mort_subtable_type1_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
	gxv_mort_subtable_type2_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
	gxv_mort_subtable_type4_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
	gxv_mort_subtable_type5_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)

Macro Definition Documentation

GXV_MORT_FEATURE_OFF

#define GXV_MORT_FEATURE_OFF   {0, 1, 0x00000000UL, 0x00000000UL}

Definition at line 46 of file gxvmort.h.

IS_GXV_MORT_FEATURE_OFF

#define IS_GXV_MORT_FEATURE_OFF

(

f

)

Value:

( (f).featureType    == 0            || \
            (f).featureSetting == 1            || \
            (f).enableFlags    == 0x00000000UL || \
            (f).disableFlags   == 0x00000000UL )

Definition at line 48 of file gxvmort.h.

Typedef Documentation

GXV_mort_feature

typedef struct GXV_mort_featureRec_ * GXV_mort_feature

GXV_mort_featureRec

typedef struct GXV_mort_featureRec_ GXV_mort_featureRec

Function Documentation

gxv_mort_coverage_validate()

gxv_mort_coverage_validate	(	FT_UShort	coverage,
		GXV_Validator	gxvalid
	)

Definition at line 122 of file gxvmort.c.

  {
    FT_UNUSED( gxvalid );

#ifdef FT_DEBUG_LEVEL_TRACE
    if ( coverage & 0x8000U )
      GXV_TRACE(( " this subtable is for vertical text only\n" ));
    else
      GXV_TRACE(( " this subtable is for horizontal text only\n" ));

    if ( coverage & 0x4000 )
      GXV_TRACE(( " this subtable is applied to glyph array "
                  "in descending order\n" ));
    else
      GXV_TRACE(( " this subtable is applied to glyph array "
                  "in ascending order\n" ));

    if ( coverage & 0x2000 )
      GXV_TRACE(( " this subtable is forcibly applied to "
                  "vertical/horizontal text\n" ));

    if ( coverage & 0x1FF8 )
      GXV_TRACE(( " coverage has non-zero bits in reserved area\n" ));
#endif
  }

Referenced by gxv_mort_subtables_validate(), and gxv_morx_subtables_validate().

gxv_mort_featurearray_validate()

gxv_mort_featurearray_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		FT_ULong	nFeatureFlags,
		GXV_Validator	gxvalid
	)

Definition at line 90 of file gxvmort.c.

  {
    FT_Bytes  p = table;
    FT_ULong  i;

    GXV_mort_featureRec  f = GXV_MORT_FEATURE_OFF;


    GXV_NAME_ENTER( "mort feature list" );
    for ( i = 0; i < nFeatureFlags; i++ )
    {
      GXV_LIMIT_CHECK( 2 + 2 + 4 + 4 );
      f.featureType    = FT_NEXT_USHORT( p );
      f.featureSetting = FT_NEXT_USHORT( p );
      f.enableFlags    = FT_NEXT_ULONG( p );
      f.disableFlags   = FT_NEXT_ULONG( p );

      gxv_mort_feature_validate( &f, gxvalid );
    }

    if ( !IS_GXV_MORT_FEATURE_OFF( f ) )
      FT_INVALID_DATA;

    gxvalid->subtable_length = (FT_ULong)( p - table );
    GXV_EXIT;
  }

Referenced by gxv_mort_chain_validate(), and gxv_morx_chain_validate().

gxv_mort_subtable_type0_validate()

gxv_mort_subtable_type0_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		GXV_Validator	gxvalid
	)

Definition at line 127 of file gxvmort0.c.

  {
    FT_Bytes  p = table;


    GXV_NAME_ENTER(
      "mort chain subtable type0 (Indic-Script Rearrangement)" );

    GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );

    gxvalid->statetable.optdata               = NULL;
    gxvalid->statetable.optdata_load_func     = NULL;
    gxvalid->statetable.subtable_setup_func   = NULL;
    gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
    gxvalid->statetable.entry_validate_func =
      gxv_mort_subtable_type0_entry_validate;

    gxv_StateTable_validate( p, limit, gxvalid );

    GXV_EXIT;
  }

Referenced by gxv_mort_subtables_validate().

gxv_mort_subtable_type1_validate()

gxv_mort_subtable_type1_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		GXV_Validator	gxvalid
	)

Definition at line 225 of file gxvmort1.c.

  {
    FT_Bytes  p = table;

    GXV_mort_subtable_type1_StateOptRec  st_rec;


    GXV_NAME_ENTER( "mort chain subtable type1 (Contextual Glyph Subst)" );

    GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE );

    gxvalid->statetable.optdata =
      &st_rec;
    gxvalid->statetable.optdata_load_func =
      gxv_mort_subtable_type1_substitutionTable_load;
    gxvalid->statetable.subtable_setup_func =
      gxv_mort_subtable_type1_subtable_setup;
    gxvalid->statetable.entry_glyphoffset_fmt =
      GXV_GLYPHOFFSET_ULONG;
    gxvalid->statetable.entry_validate_func =

      gxv_mort_subtable_type1_entry_validate;
    gxv_StateTable_validate( p, limit, gxvalid );

    gxv_mort_subtable_type1_substTable_validate(
      table + st_rec.substitutionTable,
      table + st_rec.substitutionTable + st_rec.substitutionTable_length,
      gxvalid );

    GXV_EXIT;
  }

Referenced by gxv_mort_subtables_validate().

gxv_mort_subtable_type2_validate()

gxv_mort_subtable_type2_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		GXV_Validator	gxvalid
	)

Definition at line 277 of file gxvmort2.c.

  {
    FT_Bytes  p = table;

    GXV_mort_subtable_type2_StateOptRec  lig_rec;


    GXV_NAME_ENTER( "mort chain subtable type2 (Ligature Substitution)" );

    GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE2_HEADER_SIZE );

    gxvalid->statetable.optdata =
      &lig_rec;
    gxvalid->statetable.optdata_load_func =
      gxv_mort_subtable_type2_opttable_load;
    gxvalid->statetable.subtable_setup_func =
      gxv_mort_subtable_type2_subtable_setup;
    gxvalid->statetable.entry_glyphoffset_fmt =
      GXV_GLYPHOFFSET_NONE;
    gxvalid->statetable.entry_validate_func =
      gxv_mort_subtable_type2_entry_validate;

    gxv_StateTable_validate( p, limit, gxvalid );

    p += gxvalid->subtable_length;
    gxv_mort_subtable_type2_ligatureTable_validate( table, gxvalid );

    gxvalid->subtable_length = (FT_ULong)( p - table );

    GXV_EXIT;
  }

Referenced by gxv_mort_subtables_validate().

gxv_mort_subtable_type4_validate()

gxv_mort_subtable_type4_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		GXV_Validator	gxvalid
	)

Definition at line 106 of file gxvmort4.c.

  {
    FT_Bytes  p = table;


    GXV_NAME_ENTER( "mort chain subtable type4 "
                    "(Non-Contextual Glyph Substitution)" );

    gxvalid->lookupval_sign   = GXV_LOOKUPVALUE_UNSIGNED;
    gxvalid->lookupval_func   = gxv_mort_subtable_type4_lookupval_validate;
    gxvalid->lookupfmt4_trans = gxv_mort_subtable_type4_lookupfmt4_transit;

    gxv_LookupTable_validate( p, limit, gxvalid );

    GXV_EXIT;
  }

Referenced by gxv_mort_subtables_validate(), and gxv_morx_subtable_type4_validate().

gxv_mort_subtable_type5_validate()

gxv_mort_subtable_type5_validate	(	FT_Bytes	table,
		FT_Bytes	limit,
		GXV_Validator	gxvalid
	)

Definition at line 203 of file gxvmort5.c.

  {
    FT_Bytes  p = table;

    GXV_mort_subtable_type5_StateOptRec      et_rec;
    GXV_mort_subtable_type5_StateOptRecData  et = &et_rec;


    GXV_NAME_ENTER( "mort chain subtable type5 (Glyph Insertion)" );

    GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE5_HEADER_SIZE );

    gxvalid->statetable.optdata =
      et;
    gxvalid->statetable.optdata_load_func =
      NULL;
    gxvalid->statetable.subtable_setup_func =
      gxv_mort_subtable_type5_subtable_setup;
    gxvalid->statetable.entry_glyphoffset_fmt =
      GXV_GLYPHOFFSET_ULONG;
    gxvalid->statetable.entry_validate_func =
      gxv_mort_subtable_type5_entry_validate;

    gxv_StateTable_validate( p, limit, gxvalid );

    GXV_EXIT;
  }

Referenced by gxv_mort_subtables_validate().