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[truetype] Clean up `TT_Face' structure.

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* include/freetype/internal/tttypes.h (TT_FaceRec): Remove unused
fields `horz_metrics' and `vert_metrics'.
Update documentation.

* src/sfnt/sfobjs.c (sfnt_done_face): Updated.
This commit is contained in:
Werner Lemberg 2016-09-29 13:04:46 +02:00
parent 45cad2e5e1
commit bf90239ca5
3 changed files with 95 additions and 39 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2016-09-29 Werner Lemberg <wl@gnu.org>
[truetype] Clean up `TT_Face' structure.
* include/freetype/internal/tttypes.h (TT_FaceRec): Remove unused
fields `horz_metrics' and `vert_metrics'.
Update documentation.
* src/sfnt/sfobjs.c (sfnt_done_face): Updated.
2016-09-28 Werner Lemberg <wl@gnu.org>
More FT_ZERO usage.

110
include/freetype/internal/tttypes.h
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@ -1182,18 +1182,6 @@ FT_BEGIN_HEADER
/* file `ttconfig.h' for comments on the */
/* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */
/* */
/* num_locations :: The number of glyph locations in this */
/* TrueType file. This should be */
/* identical to the number of glyphs. */
/* Ignored for Type 2 fonts. */
/* */
/* glyph_locations :: An array of longs. These are offsets to */
/* glyph data within the `glyf' table. */
/* Ignored for Type 2 font faces. */
/* */
/* glyf_len :: The length of the `glyf' table. Needed */
/* for malformed `loca' tables. */
/* */
/* font_program_size :: Size in bytecodes of the face's font */
/* program. 0 if none defined. Ignored for */
/* Type 2 fonts. */
@ -1219,20 +1207,20 @@ FT_BEGIN_HEADER
/* units. Comes from the `cvt ' table. */
/* Ignored for Type 2 fonts. */
/* */
/* num_kern_pairs :: The number of kerning pairs present in the */
/* font file. The engine only loads the */
/* first horizontal format 0 kern table it */
/* finds in the font file. Ignored for */
/* Type 2 fonts. */
/* */
/* kern_table_index :: The index of the kerning table in the font */
/* kerning directory. Ignored for Type 2 */
/* fonts. */
/* */
/* interpreter :: A pointer to the TrueType bytecode */
/* interpreters field is also used to hook */
/* the debugger in `ttdebug'. */
/* */
/* extra :: Reserved for third-party font drivers. */
/* */
/* postscript_name :: The PS name of the font. Used by the */
/* postscript name service. */
/* */
/* glyf_len :: The length of the `glyf' table. Needed */
/* for malformed `loca' tables. */
/* */
/* glyf_offset :: The file offset of the `glyf' table. */
/* */
/* doblend :: A boolean which is set if the font should */
/* be blended (this is for GX var). */
/* */
@ -1240,10 +1228,79 @@ FT_BEGIN_HEADER
/* variation tables (rather like Multiple */
/* Master data). */
/* */
/* extra :: Reserved for third-party font drivers. */
/* horz_metrics_size :: The size of the `hmtx' table. */
/* */
/* postscript_name :: The PS name of the font. Used by the */
/* postscript name service. */
/* vert_metrics_size :: The size of the `vmtx' table. */
/* */
/* num_locations :: The number of glyph locations in this */
/* TrueType file. This should be */
/* identical to the number of glyphs. */
/* Ignored for Type 2 fonts. */
/* */
/* glyph_locations :: An array of longs. These are offsets to */
/* glyph data within the `glyf' table. */
/* Ignored for Type 2 font faces. */
/* */
/* hdmx_table :: A pointer to the `hdmx' table. */
/* */
/* hdmx_table_size :: The size of the `hdmx' table. */
/* */
/* hdmx_record_count :: The number of hdmx records. */
/* */
/* hdmx_record_size :: The size of a single hdmx record. */
/* */
/* hdmx_record_sizes :: An array holding the ppem sizes available */
/* in the `hdmx' table. */
/* */
/* sbit_table :: A pointer to the font's embedded bitmap */
/* location table. */
/* */
/* sbit_table_size :: The size of `sbit_table'. */
/* */
/* sbit_table_type :: The sbit table type (CBLC, SBIX, etc.). */
/* */
/* sbit_num_strikes :: The number of sbit strikes exposed by */
/* FreeType's API, omitting invalid strikes. */
/* */
/* sbit_strike_map :: A mapping between the strike indices */
/* exposed by the API and the indices used in */
/* the font's sbit table. */
/* */
/* kern_table :: A pointer to the `kern' table. */
/* */
/* kern_table_size :: The size of the `kern' table. */
/* */
/* num_kern_tables :: The number of supported kern subtables */
/* (up to 32; FreeType recognizes only */
/* horizontal ones with format 0). */
/* */
/* kern_avail_bits :: The availability status of kern subtables; */
/* if bit n is set, table n is available. */
/* */
/* kern_order_bits :: The sortedness status of kern subtables; */
/* if bit n is set, table n is sorted. */
/* */
/* bdf :: Data related to an SFNT font's `bdf' */
/* table; see `tttypes.h'. */
/* */
/* horz_metrics_offset :: The file offset of the `hmtx' table. */
/* */
/* vert_metrics_offset :: The file offset of the `vmtx' table. */
/* */
/* sph_found_func_flags :: Flags identifying special bytecode */
/* functions (used by the v38 implementation */
/* of the bytecode interpreter). */
/* */
/* sph_compatibility_mode :: */
/* This flag is set if we are in ClearType */
/* backwards compatibility mode (used by the */
/* v38 implementation of the bytecode */
/* interpreter). */
/* */
/* ebdt_start :: The file offset of the sbit data table */
/* (CBDT, bdat, etc.). */
/* */
/* ebdt_size :: The size of the sbit data table. */
/* */
typedef struct TT_FaceRec_
{
@ -1353,10 +1410,7 @@ FT_BEGIN_HEADER
/* since version 2.2 */
FT_Byte* horz_metrics;
FT_ULong horz_metrics_size;
FT_Byte* vert_metrics;
FT_ULong vert_metrics_size;
FT_ULong num_locations; /* in broken TTF, gid > 0xFFFF */

14
src/sfnt/sfobjs.c
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@ -1637,18 +1637,10 @@
face->cmap_size = 0;
}
/* freeing the horizontal metrics */
{
FT_Stream stream = FT_FACE_STREAM( face );
face->horz_metrics_size = 0;
face->vert_metrics_size = 0;
FT_FRAME_RELEASE( face->horz_metrics );
FT_FRAME_RELEASE( face->vert_metrics );
face->horz_metrics_size = 0;
face->vert_metrics_size = 0;
}
/* freeing the vertical ones, if any */
/* freeing vertical metrics, if any */
if ( face->vertical_info )
{
FT_FREE( face->vertical.long_metrics );