Commit Graph

61 Commits

Author SHA1 Message Date
Werner Lemberg 3aaebe3a91 [cache] Replace `FT_PtrDist' with `FT_Offset'.
* src/cache/ftccache.h (FTC_NodeRec): `FT_Offset' (a.k.a. `size_t')
is a better choice for `hash' to hold a pointer than `FT_PtrDist'
(a.k.a. `ptrdiff_t'), especially since the latter is signed,
causing zillions of signedness warnings.  [Note that `hash' was of
type `FT_UInt32' before the change to `FT_PtrDist.]
Update all users.

* src/cache/ftcbasic.c, src/cache/ftccache.c, src/cache/ftccmap.c,
src/cache/ftcglyph.c, src/cache/ftcglyph.h: Updated.
2015-02-23 08:20:27 +01:00
Werner Lemberg f57fc59e01 Run `src/tools/update-copyright'. 2015-01-17 20:41:43 +01:00
Werner Lemberg f6aa089f12 */* [FT_CONFIG_OPTION_OLD_INTERNALS]: Remove macro and guarded code. 2013-05-10 07:58:47 +02:00
Werner Lemberg e3c9301581 */*: Use FT_Err_Ok only.
This is a purely mechanical conversion.
2013-03-14 11:21:17 +01:00
Werner Lemberg 059bc335ce */*: Use `FT_THROW'.
This is essentially a mechanical conversion, adding inclusion of
`FT_INTERNAL_DEBUG_H' where necessary, and providing the macros for
stand-alone compiling modes of the rasterizer modules.

To convert the remaining occurrences of FT_Err_XXX and friends it is
necessary to rewrite the code.  Note, however, that it doesn't harm
if some cases are not handled since FT_THROW is a no-op.
2013-03-14 10:27:35 +01:00
suzuki toshiya ae6d1d7b98 [cache] Fix an off-by-one bug in FTC_Manager_RemoveFaceID().
Found by <ychen1392001@yahoo.com.cn>, see detail in

  http://lists.gnu.org/archive/html/freetype/2011-01/msg00023.html

* src/cache/ftccache.c (FTC_Cache_RemoveFaceID): Check the node
buckets[cache->p + cache->mask] too.
2011-02-20 19:14:25 +09:00
Werner Lemberg 3757b1e1c1 Cleanup/formatting. 2011-01-13 10:33:04 +01:00
suzuki toshiya 5e7ad208e3 [cache] Fix Savannah bug #31923, patch drafted by Harsha.
When a node comparator changes the cached nodes during the
search of a node matching with queried properties, the
pointers obtained before the functon should be updated to
prevent the dereference to freed or reallocated nodes.
To minimize the rescan of the linked list, the update is
executed when the comparator notifies the change of cached
nodes. This change depends previous change:
38b272ffbb

* src/cache/ftccache.h (FTC_CACHE_LOOKUP_CMP): Rescan the
top node if the cached nodes are changed.
* src/cache/ftccache.c (FTC_Cache_Lookup): Ditto.
2011-01-09 23:09:36 +09:00
suzuki toshiya 38b272ffbb [cache] Notice if a cache query induced the node list change.
Some node comparators (comparing the cache node content and
the properties specified by the query) can flush the cache
node to prevent the cache inflation.  The change may
invalidate the pointers to the node obtained before the node
comparison, so the change should be noticed to the caller.
The problem caused by the cache node changing is reported by
Harsha, see Savannah bug #31923.

* src/cache/ftccache.h (FTC_Node_CompareFunc): Add new
argument `FT_Bool* list_changed' to indicate the change of
the cached nodes to the caller.
(FTC_CACHE_LOOKUP_CMP): Watch the change of the cached nodes
by `_list_changed'.
(FTC_CACHE_TRYLOOP_END): Take new macro argument `_list_changed'
and update it when FTC_Manager_FlushN() flushes any nodes.

* src/cache/ftccback.h (ftc_snode_compare): Updated to fit
with new FTC_Node_CompareFunc type.  (ftc_gnode_compare): Ditto.

* src/cache/ftcbasic.c: Include FT_INTERNAL_OBJECTS_H to
use TRUE/FALSE macros.  (ftc_basic_gnode_compare_faceid):
New argument `FT_Bool* list_changed' to indicate the change
of the cache nodes, anyway, it is always FALSE.

* src/cache/ftccmap.c: Include FT_INTERNAL_OBJECTS_H to
use TRUE/FALSE macros.  (ftc_cmap_node_compare):
New argument `FT_Bool* list_changed' to indicate the change
of the cache nodes, anyway, it is always FALSE.
(ftc_cmap_node_remove_faceid): Ditto.

* src/cache/ftccache.c (FTC_Cache_NewNode): Pass a NULL
pointer to FTC_CACHE_TRYLOOP_END(), because the result is
not needed.  (FTC_Cache_Lookup): Watch the change of the cache
nodes by `list_changed'.  (FTC_Cache_RemoveFaceID): Ditto.

* src/cache/ftcglyph.c: Include FT_INTERNAL_OBJECTS_H to
use TRUE/FALSE macros.  (ftc_gnode_compare): New argument
`FT_Bool* list_changed' to indicate the change of the cache
nodes, anyway, it is always FALSE.  (FTC_GNode_Compare):
New argument `FT_Bool* list_changed' to be passed to
ftc_gnode_compare().
* src/cache/ftcglyph.h (FTC_GNode_Compare): Ditto.

* src/cache/ftcsbits.c (ftc_snode_compare): New argument
`FT_Bool* list_changed' to indicate the change of the cache
nodes, anyway. It is updated by FTC_CACHE_TRYLOOP().
(FTC_SNode_Compare): New argument `FT_Bool* list_changed'
to be passed to ftc_snode_compare().
* src/cache/ftcsbits.h (FTC_SNode_Compare): Ditto.
2011-01-09 22:52:24 +09:00
suzuki toshiya 9a2e255b23 [cache] Deduplicate the code to get the top node by a hash.
There are several duplicated codes getting the top node
from a cache by a given hash, like:

    idx = hash & cache->mask;
    if ( idx < cache->p )
      idx = hash & ( cache->mask * 2 + 1 );
    pnode = cache->buckets + idx;

To deduplicate them, a cpp-macro to do same work
FTC_NODE__TOP_FOR_HASH( cache, hash ) is introduced.
For non-inlined config, non-ftc_get_top_node_for_hash() is
also introduced.

* src/cache/ftccache.h (FTC_NODE__TOP_FOR_HASH): Declare
and implement inlined version.
(FTC_CACHE_LOOKUP_CMP): Use FTC_NODE__TOP_FOR_HASH().
* src/cache/ftccache.c (ftc_get_top_node_for_hash): Non-
inlined version.
(ftc_node_hash_unlink): Use FTC_NODE__TOP_FOR_HASH().
(ftc_node_hash_link): Ditto.
(FTC_Cache_Lookup): Ditto.
2011-01-09 21:09:58 +09:00
suzuki toshiya 3512a71269 [cache] Change the hash types to FT_PtrDist.
On LLP64 platforms (e.g. Win64), FT_ULong (32-bit)
variables are inappropriate to calculate hash values
from the memory address (64-bit).  The hash variables
are extended from FT_ULong to FT_PtrDist and new
hashing macro functions are introduced.  The hash
values on 16-bit memory platforms are changed, but
ILP32 and LP64 are not changed.  The hash value in
the cache subsystem is not reverted to the memory
address, so using signed type FT_PtrDist is safe.

* src/cache/ftccache.h (_FTC_FACE_ID_HASH): New hash
function to replace FTC_FACE_ID_HASH() for portability.
* src/cache/ftcmanag.h (FTC_SCALER_HASH): Replace
FTC_FACE_ID_HASH() by _FTC_FACE_ID_HASH().
* src/cache/ftccmap.c (FTC_CMAP_HASH): Ditto.

* src/cache/ftccache.h (FTC_NodeRec): The type of the
member `hash' is changed from FT_UInt32 to FT_PtrDist.

* src/cache/ftccache.h (FTC_Cache_Lookup): The type of the
argument `hash' is changed from FT_UInt32 to FT_PtrDist.
(FTC_Cache_NewNode): Ditto.
* src/cache/ftccache.c (ftc_cache_add): Ditto.
(FTC_Cache_Lookup): Ditto.  (FTC_Cache_NewNode): Ditto.
* src/cache/ftcglyph.h (FTC_GCache_Lookup): Ditto.
* src/cache/ftcglyph.c (FTC_GCache_Lookup): Ditto.

* src/cache/ftcbasic.c (FTC_ImageCache_Lookup): The type
of the internal variable `hash' is changed to FT_PtrDist
from FT_UInt32.  (FTC_ImageCache_LookupScaler): Ditto.
(FTC_SBitCache_Lookup): Ditto.
(FTC_SBitCache_LookupScaler): Ditto.
* src/cache/ftccmap.c (FTC_CMapCache_Lookup): Ditto.
* src/cache/ftccache.h (FTC_CACHE_LOOKUP_CMP): Ditto.
Also the type of the internal variable `_idx' is changed to
FT_PtrDist from FT_UInt32 for better pointer calculation.
2010-10-25 02:08:56 +09:00
Teijo Kinnunen ebaeb6425e Fix Savannah bug #30788.
* src/cache/ftccache.c (FTC_Cache_Clear): Check `cache->buckets' for
NULL too.
2010-08-17 07:40:55 +02:00
Werner Lemberg f765e4403c */*: Use module specific error names where appropriate. 2010-06-24 10:34:29 +02:00
Werner Lemberg ca87cd0bda Fix `make multi'.
* src/cache/ftccache.c, src/cache/ftcsbits.c (FT_COMPONENT): Define.

* src/sfnt/sfdriver.c: Include FT_INTERNAL_DEBUG_H.
2009-10-06 11:09:29 +02:00
suzuki toshiya b566d42aa0 cache: Fix some data types mismatching with their sources. 2009-08-01 00:30:19 +09:00
Werner Lemberg 858abbedc0 For warning messages, replace FT_ERROR with FT_TRACE0.
FT_ERROR is now used only if a function produces a non-zero `error'
value.

Formatting, improving and harmonizing debug strings.
2009-06-26 06:15:41 +02:00
Werner Lemberg 95bc9d3a07 * src/cache/ftccache.c (ftc_node_mru_link, ftc_node_mru_unlink),
src/cache/ftccache.h (FTC_CACHE_LOOKUP_CMP), src/cache/ftcglyph.h
(FTC_GCACHE_LOOKUP_CMP), src/pshinter/pshmod.c (ps_hinter_init),
src/sfnt/ttmtx.c (tt_face_load_hmtx, tt_face_load_hhea,
tt_face_get_metrics): Fix type-punning issues.
2007-05-16 15:19:42 +00:00
Werner Lemberg 6c5b617c59 * src/cache/ftccache.c, (ftc_node_mru_up, FTC_Cache_Lookup)
[!FTC_INLINE]: Compile conditionally.
* src/cache/ftccache.h: Updated.

* src/cache/ftcglyph.c (FTC_GNode_Init, FTC_GNode_UnselectFamily,
FTC_GNode_Done, FTC_GNode_Compare, FTC_Family_Init, FTC_GCache_New):
s/FT_EXPORT/FT_LOCAL/.
(FTC_GCache_Init, FTC_GCache_Done): Commented out.
(FTC_GCache_Lookup) [!FTC_INLINE]: Compile conditionally.
s/FT_EXPORT/FT_LOCAL/.
* src/cache/ftcglyph.h: Updated.

* src/cache/ftcimage.c (FTC_INode_Free, FTC_INode_New):
s/FT_EXPORT/FT_LOCAL/.
(FTC_INode_Weight): Commented out.
* src/cache/ftcimage.h: Updated.

* src/cache/ftmanag.c (FTC_Manager_Compress,
FTC_Manager_RegisterCache, FTC_Manager_FlushN):
s/FT_EXPORT/FT_LOCAL/.
* src/cache/ftmanag.h: Updated.

* src/cache/ftcsbits.c (FTC_SNode_Free, FTC_SNode_New,
FTC_SNode_Compare): s/FT_EXPORT/FT_LOCAL/.
(FTC_SNode_Weight): Commented out.
* src/cache/ftcsbits.h: Updated.
2006-03-22 15:30:41 +00:00
Werner Lemberg 3867d2f2fb * src/cache/ftccache.c, src/cache/ftccache.h (FTC_Node_Destroy):
Remove, unused.

* src/cache/ftccmap.h: Remove, unused.

* src/cache/rules.mk (CACHE_DRV_H): Remove ftccmap.h.
2006-03-22 08:03:06 +00:00
David Turner 256de4b18f * include/freetype/cache/ftccache.h,
include/freetype/cache/ftccmap.h,
    include/freetype/cache/ftcglyph.h
    include/freetype/cache/ftcimage.h
    include/freetype/cache/ftcmanag.h
    include/freetype/cache/ftcmru.h
    include/freetype/cache/ftcsbits.h:
      removing these header files from the public include directory.

    * include/freetype/config/ftheader.h:
      changing the definition of FT_CACHE_INTERNAL_XXX_H macros to
      redirect to FT_CACHE_H instead

    * src/cache/ftcbasic.c, src/cache/ftccache.c, src/cache/ftccache.h,
    src/cache/ftccback.h, src/cache/ftccmap.c, src/cache/ftcglyph.c,
    src/cache/ftcglyph.h, src/cache/ftcimage.c, src/cache/ftcimage.h,
    src/cache/ftcmanag.c, src/cache/ftcmanag.h, src/cache/ftcmru.c,
    src/cache/ftcmru.h, src/cache/ftcsbits.c, src/cache/ftcsbits.h:
      modifications to prevent using the FT_CACHE_INTERNAL_XXX_H macros,
      and grab the headers in 'src/cache' instead (see below).
2006-03-20 12:10:24 +00:00
Werner Lemberg 98d6a3acaa * src/cache/ftccache.c (ftc_node_destroy)
[!FT_CONFIG_OPTION_OLD_INTERNALS]: Mark as FT_LOCAL_DEF.  This
should now fix all possible compilation options.
2006-02-27 19:49:34 +00:00
David Turner c13e75fb1b * src/base/ftutil.c: ft_mem_alloc and related functions now return an
error if a negative size is passed in parameters.

    * src/cache/ftccache.c: make ftc_node_destroy FT_BASE_DEF, it needs to
    be exported for rogue clients

    * src/pshinter/pshglob.c: prevent problems with malformed fonts which
    have an odd number of blue values (these are broken according to the
    specs).

    * src/cff/cffload.c, src/type1/t1load.c: modify the loaders to force
    even-ness of 'num_blue_values'. Also change the CFF loader so that
    invalid entries in index files are ignored.
2006-02-27 13:14:42 +00:00
Werner Lemberg ae1e4b1577 * src/cache/ftccache.c (ftc_node_destroy): Use FT_LOCAL_DEF (again). 2006-02-25 17:11:04 +00:00
David Turner cda2d957dc * builds/amiga/src/base/ftsystem.c, devel/ftoption.h
include/freetype/ftcache.h, include/freetype/ftoutln.h,
      include/freetype/cache/ftccache.h, include/freetype/cache/ftccmap.h,
      include/freetype/config/ftoption.h, include/freetype/internal/ftcalc.h,
      include/freetype/internal/ftdriver.h,
      include/freetype/internal/ftmemory.h,
      include/freetype/internal/ftobjs.h, include/freetype/internal/ftrfork.h,
      include/freetype/internal/psaux.h, include/freetype/internal/sfnt.h,
      include/freetype/internal/t1types.h, include/freetype/internal/tttypes.h,
      src/base/ftcalc.c, src/base/ftdbgmem.c, src/base/ftobjs.c,
      src/base/ftsystem.c, src/base/ftutil.c, src/bdf/bdfdrivr.c,
      src/cache/ftccache.c, src/cache/ftccback.h, src/cache/ftccmap.c,
      src/cache/ftcmanag.c, src/cff/cffdrivr.c, src/cid/cidriver.c,
      src/pcf/pcfdrivr.c, src/pfr/pfrdrivr.c, src/psaux/psauxmod.c,
      src/sfnt/sfdriver.c, src/truetype/ttdriver.c, src/type1/t1driver.c,
      src/type1/t1objs.c, src/type42/t42drivr.c, src/winfonts/winfnt.c:

    massive changes to the internals to respect the internal object layouts
    and exported functions of FreeType 2.1.7. Note that the cache sub-system
    cannot be fully retrofitted, unfortunately.
2006-02-16 22:45:31 +00:00
Werner Lemberg be3c9814a4 Formatting, copyright years. 2006-01-27 14:16:16 +00:00
David Turner 6a681fa84a * src/autofit/afwarp.c: simple #ifdef to prevent compilation when
the warp hinter isn't active (it shouldn't, still experimental)

    * Jamfile, include/freetype/config/ftmodule.h: removed "gxvalid"
    and "otvalid" from the list of modules that are linked statically
    to a given FreeType library. Functionality has been moved to the
    "ftvalid" CVS module.

    note also that current Make-based build system still compiles the
    modules though...

    * include/freetype/config/ftoption.h: added FT_STRICT_ALIASING,
    which controls the definitions of the memory management functions
    to avoid warnings with recent versions of GCC. this macro is
    only here to be disabled, in case we detect problems with the
    new scheme.

    NOTE: disable macro to use the memory debugger. this will be fixed
          later !!
2006-01-27 12:11:22 +00:00
Werner Lemberg d829ff768b * src/cache/ftccache.c (FTC_Cache_Clear), src/cache/ftcmanag.c
(FTC_Manager_Check): Remove FT_EXPORT_DEF tag.

* src/base/ftcalc.c (FT_Add64): Remove FT_EXPORT_DEF tag.
(FT_Div64by32, FT_Sqrt32): Commented out.  Unused.

* include/freetype/internal/ftcalc.h (SQRT_32): Removed.  Unused.
(FT_Sqrt32): Commented out.  Unused.

* include/freetype/cache/ftccache.h:
s/ftc_node_destroy/FTC_Node_Destroy/.

* src/cache/ftccback.h (ftc_node_destroy): New declaration.

* src/cache/ftccache.c (ftc_node_destroy): Use FT_LOCAL_DEF tag.
(FTC_Node_Destroy): New exported wrapper function for
ftc_node_destroy.

* src/cache/ftcmanag.c: Include ftccback.c.
2005-11-12 17:07:11 +00:00
Werner Lemberg 92aa527a1c * builds/amiga/makefile.os4 (WARNINGS), builds/compiler/gcc-dev.mk
(CFLAGS), builds/compiler/gcc.mk (CFLAGS): Remove
-fno-strict-aliasing.


Say you have `(Foo*)x' and want to assign, pass, or return it as
`(Bar*)'.  If you simply say `x' or `(Bar*)x', then the C compiler
would warn you that type casting incompatible pointer types breaks
strict-aliasing.  The solution is to cast to `(void*)' instead which
is the generic pointer type, so the compiler knows that it should
make no strict-aliasing assumption on `x'.  But the problem with
`(void*)x' is that seems like in C++, unlike C, `void*' is not a
generic pointer type and assigning `void*' to `Bar*' without a cast
causes an error.  The solution is to cast to `Bar*' too, with
`(Bar*)(void*)x' as the result -- this is what the patch does.

* include/freetype/cache/ftccache.h (FTC_CACHE_LOOKUP_CMP),
include/freetype/cache/ftcmru.h (FTC_MRULIST_LOOKUP_CMP): Remove
cast on lvalue, use a temporary pointer instead.
Cast temporarily to (void*) to not break strict aliasing.

* include/freetype/internal/ftmemory.h (FT_MEM_ALLOC,
FT_MEM_REALLOC, FT_MEM_QALLOC, FT_MEM_QREALLOC, FT_MEM_FREE),
src/base/ftglyph.c (FT_Glyph_To_Bitmap): Cast temporarily to (void*)
to not break strict aliasing.

* src/base/ftinit.c (FT_USE_MODULE): Fix wrong type information.

* builds/unix/configure.ac (XX_CFLAGS): Remove -fno-strict-aliasing.

* src/sfnt/rules.mk (SFNT_DRV_SRC): Don't include ttsbit0.c --
it is currently loaded from ttsbit.c.


Other formatting.
2005-05-23 21:33:02 +00:00
David Turner f9e0559778 * include/freetype/cache/ftcache.h, src/cache/ftccache.c,
src/cache/ftcsbits.c: fixing bug #12213 (incorrect behaviour
    of the cache sub-system in low-memory conditions).
2005-05-23 13:04:53 +00:00
David Turner b83239b7fd * include/freetype/cache/ftcmru.h, src/cache/ftcbasic.c,
src/cache/ftccache.c, src/cache/ftcglyph.c, src/cache/ftcmanag.c,
        src/cache/ftcsbits.c:
        fixing some annoying bugs and inefficiencies in the cache sub-system.
2004-06-09 21:07:49 +00:00
Werner Lemberg 09370c8ce0 Fix callback functions in cache module.
* src/cache/ftccback.h: New file for callback declarations.

* src/cache/ftcbasic.c (ftc_basic_family_compare,
ftc_basic_family_init, ftc_basic_family_get_count,
ftc_basic_family_load_bitmap, ftc_basic_family_load_glyph,
ftc_basic_gnode_compare_faceid): Use FT_CALLBACK_DEF.
(ftc_basic_image_family_class, ftc_basic_image_cache_class,
ftc_basic_sbit_family_class, ftc_basic_sbit_cache_class):
Use FT_CALLBACK_TABLE_DEF and local wrapper functions.

* src/cache/ftccache.c: Include ftccback.h.
(ftc_cache_init, ftc_cache_done): New wrapper functions which use
FT_LOCAL_DEF.

* src/cache/ftccmap.c: Include ftccback.h.
(ftc_cmap_cache_class): Use local wrapper functions.

* src/cache/ftcglyph.c: Include ftccback.h.
(ftc_gnode_compare, ftc_gcache_init, ftc_gcache_done): New wrapper
functions which use FT_LOCAL_DEF.

* src/cache/ftcimage.c: Include ftccback.h.
(ftc_inode_free, ftc_inode_new, ftc_inode_weight): New wrapper
functions which use FT_LOCAL_DEF.

* src/cache/ftcmanag.c (ftc_size_list_class, ftc_face_list_class):
Use FT_CALLBACK_TABLE_DEF.

* src/cache;/ftcsbits.c: Include ftccback.h.
(ftc_snode_free, ftc_snode_new, ftc_snode_weight,
ftc_snode_compare): New wrapper functions which use FT_LOCAL_DEF.

* src/cache/rules.mk (CACHE_DRV_H): Add ftccback.h.
2004-02-17 18:41:58 +00:00
Werner Lemberg 80cfbd7073 * src/base/fttrigon.c, src/base/ftgloadr.c: Inlude
FT_INTERNAL_OBJECTS_H.

* src/base/ftstroke.c (FT_Outline_GetInsideBorder,
FT_Outline_GetOutsideBorder): s/or/o/ to make it compile with
C++ compilers.

* src/cache/ftcmru.c, include/freetype/cache/ftcmru.h:
s/select/selection/ to avoid compiler warning.
* src/cff/cffload.h: s/select/ftselect/ to avoid potential
compiler warning.

Formatting.
2003-12-26 07:26:08 +00:00
David Turner cf2c49c80c * fixed compilation problems in the cache sub-system
* partial updates to src/autofit
2003-12-24 18:42:04 +00:00
Werner Lemberg 328abf3094 * src/cff/cffgload.c (cff_lookup_glyph_by_stdcharcode): Handle
CID-keyed fonts.

Remove MS-DOS line endings.

Minor formatting issues.
2003-12-24 13:37:58 +00:00
David Turner 023612221e * include/freetype/cache/ftccache.h,
include/freetype/cache/ftcmru.h,
        include/freetype/cache/ftcglyph.h,
        src/cache/ftcbasic.c,
        src/cache/ftccache.c,
        src/cache/ftccmap.c,
        src/cache/ftcmanag.c:

          additional speed optimization to the cache sub-system. It is
          now up to 70% faster than the one in the previous table
          release (i.e. 2.1.7). Note that the API did slightly change
          though.
2003-12-23 23:54:00 +00:00
David Turner 581ec91c27 * include/freetype/ftcache.h,
include/freetype/cache/ftcmanag.h,
        include/freetype/cache/ftccache.h,
        include/freetype/cache/ftcmanag.h,
        include/freetype/cache/ftcmru.h (added),
        include/freetype/cache/ftlru.h (removed),
        include/freetype/cache/ftcsbits.h,
        include/freetype/cache/ftcimage.h,
        include/freetype/cache/ftcglyph.h,
        src/cache/ftcmru.c,
        src/cache/ftcmanag.c,
        src/cache/ftccache.c,
        src/cache/ftcglyph.c,
        src/cache/ftcimage.c,
        src/cache/ftcsbits.c,
        src/cache/ftccmap.c,
        src/cache/ftcbasic.c (added),
        src/cache/ftclru.c (removed):

          *Complete* rewrite of the cache sub-system to "solve" the
          following points:

            - all public APIs have been moved to FT_CACHE_H, everything
              under "include/freetype/cache" is only needed by client
              applications that want to implement their own caches

            - a new function named FTC_Manager_RemoveFaceID to deal
              with the uninstallation of FaceIDs

            - the image and sbit cache are now abstract classes, that
              can be extended much more easily by client applications

            - better performance in certain areas. Further optimizations
              to come shortly anyway...

            - the FTC_CMapCache_Lookup function has changed its signature,
              charmaps can now only be retrieved by index

            - FTC_Manager_Lookup_Face => FTC_Manager_LookupFace
              FTC_Manager_Lookup_Size => FTC_Manager_LookupSize (still in
              private header for the moment)
2003-12-22 21:53:37 +00:00
David Turner 89f331b713 important bug fixes for new cache code 2003-12-21 01:41:32 +00:00
David Turner 57ecae22a7 new version of the cache sub-system - still under debugging 2003-12-19 21:23:58 +00:00
Werner Lemberg 779afe4b91 * src/winfonts/winfnt.c (FNT_Load_Glyph): Use first_char in
computation of glyph_index.
(FNT_Size_Set_Pixels): To find a strike, first check pixel_height
only, then try to find a better hit by comparing pixel_width also.
Without this fix it isn't possible to access all strikes.
Also compute metrics.max_advance to be in sync with other bitmap
drivers.

* src/base/ftobjs.c (FT_Set_Char_Size): Remove redundant code.
(FT_Set_Pixel_Size): Assign value to `metrics' after validation of
arguments.


Synchronize computation of height and width for bitmap strikes.  The
`width' field in the FT_Bitmap_Size structure is now only useful to
enumerate different strikes.  The `max_advance' field of the
FT_Size_Metrics structure should be used to get the (maximum) width
of a strike.

* src/bdf/bdfdrivr.c (BDF_Face_Init): Don't use AVERAGE_WIDTH for
computing `available_sizes->width' but make it always equal to
`available_sizes->height'.

* src/pcf/pcfread.c (pcf_load_font): Don't use RESOLUTION_X for
computing `available_sizes->width' but make it always equal to
`available_sizes->height'.

* src/truetype/ttdriver.c (Set_Pixel_Sizes): Pass only single
argument to function.

* src/psnames/psmodule.c (ps_unicode_value): Handle `.' after
`uniXXXX' and `uXXXX[X[X]]'.


* src/bdf/bdfdrivr.c: s/FT_Err_/BDF_Err/.
* src/cache/ftccache.c, src/cache/ftcsbits.c, src/cache/ftlru.c:
s/FT_Err_/FTC_Err_/.
* src/cff/cffcmap.c: s/FT_Err_/CFF_Err_/.
* src/pcf/pcfdrivr.c: s/FT_Err_/PCF_Err_/.
* src/psaux/t1cmap.c: Include psauxerr.h.
s/FT_Err_/PSaux_Err_/.
* src/pshinter/pshnterr.h: New file.
* src/pshinter/rules.mk: Updated.
* src/pshinter/pshalgo.c, src/pshinter/pshrec.c: Include pshnterr.h.
s/FT_Err_/PSH_Err_/.
* src/pfr/pfrdrivr.c, src/pfr/pfrobjs.c, src/pfr/pfrsbit.c:
s/FT_Err_/PFR_Err_/.
* src/sfnt/sfdriver.c, src/sfnt/sfobjs.c, src/sfnt/ttcmap0.c,
src/sfnt/ttload.c: s/FT_Err_/SFNT_Err_/.
* src/truetype/ttgload.c: s/FT_Err_/TT_Err_/.
* src/gzip/ftgzip.c: Load FT_MODULE_ERRORS_H and define
FT_ERR_PREFIX and FT_ERR_BASE.
s/FT_Err_/Gzip_Err_/.
2003-06-22 15:33:53 +00:00
Werner Lemberg 9a8898810d * src/cache/ftccache.c (ftc_cache_lookup): Remove shadow declaration
of `manager'.
2003-04-23 06:36:46 +00:00
Werner Lemberg 2d117ea531 Cleanups. 2003-04-23 06:32:41 +00:00
David Turner d6ec6eee78 * src/autohint/ahglyph.h, src/autohint/ahglyph.c, src/autohint/ahglobal.c,
src/autohint/ahhint.c: fixed blue-scale problem

    * src/cache/ftccache.c: fixed small bug that could crash the cache
    in rare circumstances (mostly with broken fonts)
2003-03-20 20:58:57 +00:00
David Turner b280537b6d * src/base/ftdbgmem.c, docs/DEBUG.TXT: added new environment variables
to control memory debugging with FreeType. See the description of
    "FT2_DEBUG_MEMORY", "FT2_ALLOC_TOTAL_MAX" and "FT2_ALLOC_COUNT_MAX"
    in DEBUG.TXT

    * src/cache/ftccache.c, src/cache/ftccmap.c, src/cache/ftcsbits.c,
    ftlru.c: fixed the cache sub-system to correctly deal with out-of-memory
    conditions.

    * src/pfr/pfrobjs.c, src/pfr/pfrsbits.c: fixing compiler warnings and a
    small memory leak

    * src/psaux/psobjs.c (t1_reallocate_table): fixed a bug (memory leak) that
    only happened when trying to resize an array would end in an OOM.

    * src/smooth/ftgrays.c: removed compiler warnings / volatile bug

    * src/truetype/ttobjs.c: removed segmentation fault that happened in
    tight memory environments.
2003-03-13 21:07:51 +00:00
David Turner 20e33158da * src/base/ftstroker.c: probably the last bug-fixes to the stroker,
the API is likely to change however.

        * src/base/fttrigon.c (FT_Angle_Diff): fixing function, it returned
        invalid values for large negative angle differences (resulting in
        incorrect stroker computations, among other things)

        * src/cache/ftccache.c (ftc_node_unlink): removing incorrect
        assertion, and changing code to avoid hash table size contraction

        * src/base/Jamfile, src/base/rules.mk, src/base/descrip.mms:
        adding "ftstroker.obj" to default build, as optional component
2003-01-07 22:54:02 +00:00
Werner Lemberg 3c403e4c17 Some formatting.
* src/cff/cffcmap.c: Remove compiler warnings.
* src/cache/ftccache.c, src/cache/ftccache.i,
src/pfr/pfrload.c, src/pfr/pfrgload.c: s/index/idx/.
* src/cff/cffload.c: s/select/fdselect/.
* src/raster/ftraster.c: s/wait/waiting/.
2002-08-06 21:47:40 +00:00
David Turner 075c35de55 * include/freetype/cache/ftccache.h, src/cache/ftccache.i,
src/cache/ftccache.c: cleaning up the cache sub-system code, linear
    hashing is now the default
2002-07-17 20:56:48 +00:00
David Turner 957fa85682 - removing a typo in ftccache.i that prevented it from compiling correctly
- fixed the infamous bug that caused the cache to crash with large fonts.
  the hash table buckets array wasn't shrinked correctly during cache
  flushes..
2002-06-08 13:48:41 +00:00
Werner Lemberg 8c90c22dbe * src/cache/ftccache.c (ftc_node_hash_unlink, ftc_node_hash_link)
[FTC_CACHE_USE_LINEAR_HASHING]: Fix returned error code.
Fix debugging messages.

* src/type42/t42error.h: New file.
* src/type42/t42drivr.c, src/type42/t42objs.c,
src/type42/t42parse.c: Use t42 error codes.
* src/type42/rules.mk: Updated.

* src/base/ftnames.c: Include FT_INTERNAL_STREAM_H.

Formatting, adding copyright messages.
2002-06-08 06:47:18 +00:00
David Turner 4927e37a04 commit last fixes and optimisations to the cache manager.
The performance of cache hits has increased between 20 and 50% !!
2002-06-08 01:05:56 +00:00
David Turner f47d5f0b39 debugging new cache hash table implementation 2002-06-07 22:09:20 +00:00