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Document `GX_BlendRec'.

This commit is contained in:
Werner Lemberg 2017-03-12 10:47:20 +01:00
parent 4a62922bf8
commit 8dd9e9675d
1 changed files with 77 additions and 10 deletions
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87
src/truetype/ttgxvar.h
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@ -214,15 +214,82 @@ FT_BEGIN_HEADER
/* */
/* <Description> */
/* Data for interpolating a font from a distortable font specified */
/* by the GX *var tables ([fgca]var). */
/* by the GX *var tables ([fgcahvm]var). */
/* */
/* <Fields> */
/* num_axis :: The number of axes along which interpolation */
/* may happen */
/* num_axis :: */
/* The number of axes along which interpolation may happen. */
/* */
/* normalizedcoords :: A normalized value (between [-1,1]) indicating */
/* the contribution along each axis to the final */
/* interpolated font. */
/* 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_
{
@ -236,7 +303,7 @@ FT_BEGIN_HEADER
/* normalized_stylecoords[num_namedstyles][num_axis] */
FT_Bool avar_loaded;
GX_AVarSegment avar_segment;
GX_AVarSegment avar_segment; /* avar_segment[num_axis] */
FT_Bool hvar_loaded;
FT_Bool hvar_checked;
@ -250,11 +317,11 @@ FT_BEGIN_HEADER
GX_MVarTable mvar_table;
FT_UInt tuplecount; /* shared tuples in `gvar' */
FT_Fixed* tuplecoords; /* tuplecoords[tuplecount][num_axis] */
FT_UInt tuplecount;
FT_Fixed* tuplecoords; /* tuplecoords[tuplecount][num_axis] */
FT_UInt gv_glyphcnt;
FT_ULong* glyphoffsets;
FT_ULong* glyphoffsets; /* glyphoffsets[gv_glyphcnt + 1] */
FT_ULong gvar_size;