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11 Commits

Author SHA1 Message Date
Werner Lemberg 1caf629eef [base] Thinko: Remove free function pointer. 
We don't copy keys or values while hashing.

* include/freetype/internal/fthash.h (FT_Hash_FreeFunc): Removed.
(FT_HashRec): Remove `free' field.

* src/base/fthash.c (hash_str_free): Removed.
(ft_hash_init, ft_hash_free): Updated.
 2015-12-20 19:00:35 +01:00
Werner Lemberg 76e79ec9a5 [base, bdf] Don't expose `FT_Hashnode' in hash functions. 
* src/base/fthash.c (hash_lookup, ft_hash_str_lookup,
ft_hash_num_lookup): Return pointer to `size_t' instead of
`FT_Hashnode'.

* include/freetype/internal/fthash.h: Updated.

* src/bdf/bdflib.c (bdf_get_property, _bdf_add_property,
bdf_get_font_property): Updated.
 2015-12-20 09:03:15 +01:00
Werner Lemberg ad306eaa5e [base, bdf] Add number hashing. 
* src/base/fthash.c (hash_num_lookup, hash_num_compare): New
functions.
(ft_hash_init): Add argument to select between number and string
hashing.
(ft_hash_num_insert, ft_hash_num_lookup): New functions.

* include/freetype/internal/fthash.h: Updated.

* src/bdf/bdflib.c (_bdf_parse_start): Updated.
 2015-12-20 08:33:21 +01:00
Werner Lemberg 1b7549ccc7 [base] Introduce hash lookup, compare, and free function pointers. 
* include/freetype/internal/fthash.c (FT_Hash_LookupFunc,
FT_Hash_CompareFunc, FT_Hash_FreeFunc): New typedefs.
(FT_HashRec): Add `lookup', `compare', and `free' fields.

* src/base/fthash.c (hash_str_lookup, hash_str_compare,
hash_str_free): New functions.
(ft_hash_init): Set function pointers.
(hash_bucket, ft_hash_free): Use them.
 2015-12-20 08:00:33 +01:00
Werner Lemberg 609546c4b8 [base, bdf] Use a union as a hash key. 
We want to support both an integer and a string key later on.

* include/freetype/internal/fthash.h (FT_Hashkey): New union.
(FT_HashnodeRec): Updated.
(ft_hash_insert, ft_hash_lookup): Renamed to ...
(ft_hash_str_insert, ft_hash_str_lookup): ... this.

* src/base/fthash.c (hash_bucket): Updated.
(ft_hash_insert, ft_hash_lookup): Renamed to ...
(hash_insert, hash_lookup): ... this.
(ft_hash_str_insert, ft_hash_str_lookup): New wrapper functions.

* src/bdf/bdflib.c: Updated.
 2015-12-20 07:17:29 +01:00
Werner Lemberg c98a40f99d [bdf, base] Lift hash functions from bdf driver to base module. 
* src/base/fthash.c, include/freetype/internal/fthash.h: New files,
containing (massaged) code from `bdflib.c' and `bdf.h'.

* include/freetype/internal/internal.h (FT_INTERNAL_HASH_H): New
macro.

* src/base/ftbase.c: Include `fthash.c'.

* src/base/Jamfile (_sources): Add `fthash'.

* src/base/rules.mk (BASE_SRC): Add `fthash.c'.

* docs/LICENSE.TXT: Updated.
 2015-12-19 16:59:40 +01:00
David Turner c12ec72c2f removing obsolete files 2004-06-10 21:30:08 +00:00
David Turner 7acd73fd6a * src/sfnt/ttload.c, src/sfnt/ttload.h, src/sfnt/ttdriver.c: changing 
the SFNT loader to check for SFNT-based font files differently. We now
    ignore the range "helper" fields and check the "head" table's magic
    number instead.
 2002-07-11 23:41:14 +00:00
David Turner 660138753b updatinf the object sub-system and dynamic hash table implementations 2002-07-11 16:27:16 +00:00
David Turner 0d73b0c49a * include/freetype/internal/ftobject.h: updating the object sub-system 
definitions (still experimental)

    * src/base/fthash.c (ft_hash_remove): fixing a small reallocation bug

    * include/freetype/fttrigon.h, src/base/fttrigon.c: adding
    FT_Vector_From_Polar and FT_Angle_Diff to the trigonometric functions

    * include/freetype/ftstroker.h, src/base/ftstroker.c: adding path stroker
    component (work in progress)
 2002-06-26 23:45:21 +00:00
David Turner 1093730447 * include/freetype/internal/fthash.h, src/base/fthash.c: 
adding a generic implementation of dynamic hash tables using
          linear algorithm (to get rid of 'stalls' during resizes). This
          will be used in the future in at least three parts of the
          library: the cache sub-system, the object sub-system and
          the memory debugger.

        * include/freetype/internal/ftcore.h: added this header file to
          group all new definitions related to exception handling and
          memory management. It's very likely that this file will disappear
          or be renamed in the future..

        * include/freetype/internal/ftobject.h, include/freetype/ftsysmem.h:
          adding comments to better explain the object sub-system as well
          as the new memory manager interface.
 2002-05-01 08:46:56 +00:00