-/***************************************************************************/
-/* */
-/* ttgxvar.h */
-/* */
-/* TrueType GX Font Variation loader (specification) */
-/* */
-/* Copyright 2004-2017 by */
-/* David Turner, Robert Wilhelm, Werner Lemberg and George Williams. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
+/****************************************************************************
+ *
+ * ttgxvar.h
+ *
+ * TrueType GX Font Variation loader (specification)
+ *
+ * Copyright (C) 2004-2020 by
+ * David Turner, Robert Wilhelm, Werner Lemberg and George Williams.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
#ifndef TTGXVAR_H_
#define TTGXVAR_H_
-#include <ft2build.h>
#include "ttobjs.h"
FT_BEGIN_HEADER
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* GX_AVarCorrespondenceRec */
- /* */
- /* <Description> */
- /* A data structure representing `shortFracCorrespondence' in `avar' */
- /* table according to the specifications from Apple. */
- /* */
+#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
+
+ /**************************************************************************
+ *
+ * @Struct:
+ * GX_AVarCorrespondenceRec
+ *
+ * @Description:
+ * A data structure representing `shortFracCorrespondence' in `avar'
+ * table according to the specifications from Apple.
+ */
typedef struct GX_AVarCorrespondenceRec_
{
FT_Fixed fromCoord;
} GX_AVarCorrespondenceRec_, *GX_AVarCorrespondence;
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* GX_AVarRec */
- /* */
- /* <Description> */
- /* Data from the segment field of `avar' table. */
- /* There is one of these for each axis. */
- /* */
+ /**************************************************************************
+ *
+ * @Struct:
+ * GX_AVarRec
+ *
+ * @Description:
+ * Data from the segment field of `avar' table.
+ * There is one of these for each axis.
+ */
typedef struct GX_AVarSegmentRec_
{
FT_UShort pairCount;
} GX_DeltaSetIdxMapRec, *GX_DeltaSetIdxMap;
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* GX_HVVarTableRec */
- /* */
- /* <Description> */
- /* Data from either the `HVAR' or `VVAR' table. */
- /* */
+ /**************************************************************************
+ *
+ * @Struct:
+ * GX_HVVarTableRec
+ *
+ * @Description:
+ * Data from either the `HVAR' or `VVAR' table.
+ */
typedef struct GX_HVVarTableRec_
{
GX_ItemVarStoreRec itemStore; /* Item Variation Store */
} GX_ValueRec, *GX_Value;
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* GX_MVarTableRec */
- /* */
- /* <Description> */
- /* Data from the `MVAR' table. */
- /* */
+ /**************************************************************************
+ *
+ * @Struct:
+ * GX_MVarTableRec
+ *
+ * @Description:
+ * Data from the `MVAR' table.
+ */
typedef struct GX_MVarTableRec_
{
FT_UShort valueCount;
} GX_MVarTableRec, *GX_MVarTable;
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* GX_BlendRec */
- /* */
- /* <Description> */
- /* Data for interpolating a font from a distortable font specified */
- /* by the GX *var tables ([fgcahvm]var). */
- /* */
- /* <Fields> */
- /* num_axis :: */
- /* The number of axes along which interpolation may happen. */
- /* */
- /* coords :: */
- /* An array of design coordinates (in user space) indicating the */
- /* contribution along each axis to the final interpolated font. */
- /* `normalizedcoords' holds the same values. */
- /* */
- /* normalizedcoords :: */
- /* An array of normalized values (between [-1,1]) indicating the */
- /* contribution along each axis to the final interpolated font. */
- /* `coords' holds the same values. */
- /* */
- /* mmvar :: */
- /* Data from the `fvar' table. */
- /* */
- /* mmvar_len :: */
- /* The length of the `mmvar' structure. */
- /* */
- /* normalized_stylecoords :: */
- /* A two-dimensional array that holds the named instance data from */
- /* `mmvar' as normalized values. */
- /* */
- /* avar_loaded :: */
- /* A Boolean; if set, FreeType tried to load (and parse) the `avar' */
- /* table. */
- /* */
- /* avar_segment :: */
- /* Data from the `avar' table. */
- /* */
- /* hvar_loaded :: */
- /* A Boolean; if set, FreeType tried to load (and parse) the `hvar' */
- /* table. */
- /* */
- /* hvar_checked :: */
- /* A Boolean; if set, FreeType successfully loaded and parsed the */
- /* `hvar' table. */
- /* */
- /* hvar_error :: */
- /* If loading and parsing of the `hvar' table failed, this field */
- /* holds the corresponding error code. */
- /* */
- /* hvar_table :: */
- /* Data from the `hvar' table. */
- /* */
- /* vvar_loaded :: */
- /* A Boolean; if set, FreeType tried to load (and parse) the `vvar' */
- /* table. */
- /* */
- /* vvar_checked :: */
- /* A Boolean; if set, FreeType successfully loaded and parsed the */
- /* `vvar' table. */
- /* */
- /* vvar_error :: */
- /* If loading and parsing of the `vvar' table failed, this field */
- /* holds the corresponding error code. */
- /* */
- /* vvar_table :: */
- /* Data from the `vvar' table. */
- /* */
- /* mvar_table :: */
- /* Data from the `mvar' table. */
- /* */
- /* tuplecount :: */
- /* The number of shared tuples in the `gvar' table. */
- /* */
- /* tuplecoords :: */
- /* A two-dimensional array that holds the shared tuple coordinates */
- /* in the `gvar' table. */
- /* */
- /* gv_glyphcnt :: */
- /* The number of glyphs handled in the `gvar' table. */
- /* */
- /* glyphoffsets :: */
- /* Offsets into the glyph variation data array. */
- /* */
- /* gvar_size :: */
- /* The size of the `gvar' table. */
- /* */
+ /**************************************************************************
+ *
+ * @Struct:
+ * GX_BlendRec
+ *
+ * @Description:
+ * Data for interpolating a font from a distortable font specified
+ * by the GX *var tables ([fgcahvm]var).
+ *
+ * @Fields:
+ * num_axis ::
+ * The number of axes along which interpolation may happen.
+ *
+ * coords ::
+ * An array of design coordinates (in user space) indicating the
+ * contribution along each axis to the final interpolated font.
+ * `normalizedcoords' holds the same values.
+ *
+ * normalizedcoords ::
+ * An array of normalized values (between [-1,1]) indicating the
+ * contribution along each axis to the final interpolated font.
+ * `coords' holds the same values.
+ *
+ * mmvar ::
+ * Data from the `fvar' table.
+ *
+ * mmvar_len ::
+ * The length of the `mmvar' structure.
+ *
+ * normalized_stylecoords ::
+ * A two-dimensional array that holds the named instance data from
+ * `mmvar' as normalized values.
+ *
+ * avar_loaded ::
+ * A Boolean; if set, FreeType tried to load (and parse) the `avar'
+ * table.
+ *
+ * avar_segment ::
+ * Data from the `avar' table.
+ *
+ * hvar_loaded ::
+ * A Boolean; if set, FreeType tried to load (and parse) the `hvar'
+ * table.
+ *
+ * hvar_checked ::
+ * A Boolean; if set, FreeType successfully loaded and parsed the
+ * `hvar' table.
+ *
+ * hvar_error ::
+ * If loading and parsing of the `hvar' table failed, this field
+ * holds the corresponding error code.
+ *
+ * hvar_table ::
+ * Data from the `hvar' table.
+ *
+ * vvar_loaded ::
+ * A Boolean; if set, FreeType tried to load (and parse) the `vvar'
+ * table.
+ *
+ * vvar_checked ::
+ * A Boolean; if set, FreeType successfully loaded and parsed the
+ * `vvar' table.
+ *
+ * vvar_error ::
+ * If loading and parsing of the `vvar' table failed, this field
+ * holds the corresponding error code.
+ *
+ * vvar_table ::
+ * Data from the `vvar' table.
+ *
+ * mvar_table ::
+ * Data from the `mvar' table.
+ *
+ * tuplecount ::
+ * The number of shared tuples in the `gvar' table.
+ *
+ * tuplecoords ::
+ * A two-dimensional array that holds the shared tuple coordinates
+ * in the `gvar' table.
+ *
+ * gv_glyphcnt ::
+ * The number of glyphs handled in the `gvar' table.
+ *
+ * glyphoffsets ::
+ * Offsets into the glyph variation data array.
+ *
+ * gvar_size ::
+ * The size of the `gvar' table.
+ */
typedef struct GX_BlendRec_
{
FT_UInt num_axis;
} GX_BlendRec;
- /*************************************************************************/
- /* */
- /* <enum> */
- /* GX_TupleCountFlags */
- /* */
- /* <Description> */
- /* Flags used within the `TupleCount' field of the `gvar' table. */
- /* */
+ /**************************************************************************
+ *
+ * @enum:
+ * GX_TupleCountFlags
+ *
+ * @Description:
+ * Flags used within the `TupleCount' field of the `gvar' table.
+ */
typedef enum GX_TupleCountFlags_
{
GX_TC_TUPLES_SHARE_POINT_NUMBERS = 0x8000,
} GX_TupleCountFlags;
- /*************************************************************************/
- /* */
- /* <enum> */
- /* GX_TupleIndexFlags */
- /* */
- /* <Description> */
- /* Flags used within the `TupleIndex' field of the `gvar' and `cvar' */
- /* tables. */
- /* */
+ /**************************************************************************
+ *
+ * @enum:
+ * GX_TupleIndexFlags
+ *
+ * @Description:
+ * Flags used within the `TupleIndex' field of the `gvar' and `cvar'
+ * tables.
+ */
typedef enum GX_TupleIndexFlags_
{
GX_TI_EMBEDDED_TUPLE_COORD = 0x8000,
FT_Fixed* coords );
FT_LOCAL( FT_Error )
+ TT_Set_Named_Instance( TT_Face face,
+ FT_UInt instance_index );
+
+ FT_LOCAL( FT_Error )
tt_face_vary_cvt( TT_Face face,
FT_Stream stream );
TT_Vary_Apply_Glyph_Deltas( TT_Face face,
FT_UInt glyph_index,
FT_Outline* outline,
+ FT_Vector* unrounded,
FT_UInt n_points );
FT_LOCAL( FT_Error )
FT_LOCAL( void )
tt_done_blend( TT_Face face );
+#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
+
FT_END_HEADER
projects / platform / upstream / freetype2.git / blobdiff