harfbuzz/src/harfbuzz-gdef-private.h

105 lines
2.3 KiB
C

/*******************************************************************
*
* Copyright 1996-2000 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* Copyright 2006 Behdad Esfahbod
*
* This is part of HarfBuzz, an OpenType Layout engine library.
*
* See the file name COPYING for licensing information.
*
******************************************************************/
#ifndef HARFBUZZ_GDEF_PRIVATE_H
#define HARFBUZZ_GDEF_PRIVATE_H
#include "harfbuzz-impl.h"
#include "harfbuzz-gdef.h"
#include "harfbuzz-buffer.h"
HB_BEGIN_HEADER
/* Attachment related structures */
struct HB_AttachPoint_
{
HB_UShort PointCount; /* size of the PointIndex array */
HB_UShort* PointIndex; /* array of contour points */
};
/* Ligature Caret related structures */
struct HB_CaretValueFormat1_
{
HB_Short Coordinate; /* x or y value (in design units) */
};
typedef struct HB_CaretValueFormat1_ HB_CaretValueFormat1;
struct HB_CaretValueFormat2_
{
HB_UShort CaretValuePoint; /* contour point index on glyph */
};
typedef struct HB_CaretValueFormat2_ HB_CaretValueFormat2;
struct HB_CaretValueFormat3_
{
HB_Short Coordinate; /* x or y value (in design units) */
HB_Device Device; /* Device table for x or y value */
};
typedef struct HB_CaretValueFormat3_ HB_CaretValueFormat3;
struct HB_CaretValueFormat4_
{
HB_UShort IdCaretValue; /* metric ID */
};
typedef struct HB_CaretValueFormat4_ HB_CaretValueFormat4;
struct HB_CaretValue_
{
HB_UShort CaretValueFormat; /* 1, 2, 3, or 4 */
union
{
HB_CaretValueFormat1 cvf1;
HB_CaretValueFormat2 cvf2;
HB_CaretValueFormat3 cvf3;
HB_CaretValueFormat4 cvf4;
} cvf;
};
typedef struct HB_CaretValue_ HB_CaretValue;
struct HB_LigGlyph_
{
HB_Bool loaded;
HB_UShort CaretCount; /* number of caret values */
HB_CaretValue* CaretValue; /* array of caret values */
};
HB_INTERNAL HB_Error
_HB_GDEF_Add_Glyph_Property( HB_GDEFHeader* gdef,
HB_UShort glyphID,
HB_UShort property );
HB_INTERNAL HB_Error
_HB_GDEF_Check_Property( HB_GDEFHeader* gdef,
HB_GlyphItem item,
HB_UShort flags,
HB_UShort* property );
HB_END_HEADER
#endif /* HARFBUZZ_GDEF_PRIVATE_H */