(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.
* src/base/ftbitmap.c: Don't include FT_FREETYPE_H and FT_IMAGE_H
but FT_BITMAP_H.
(FT_Bitmap_Copy): New function (from ftglyph.c).
* include/freetype/ftbitmap.h (FT_Bitmap_Copy): New public
definition.
* src/base/ftglyph.c: Include FT_BITMAP_H.
(ft_bitmap_copy): Move to ftbitmap.c.
(ft_bitmap_glyph_init): Remove `memory' variable.
Create new bitmap object if FT_GLYPH_OWN_BITMAP isn't set.
(ft_bitmap_glyph_copy): Use FT_Bitmap_Copy.
(ft_bitmap_glyph_done): Use FT_Bitmap_Done.
(ft_outline_glyph_init): Use FT_Outline_Copy.
* src/base/ftoutln.c (FT_Outline_Copy): Handle source == target.
(FT_Outline_Done_Internal): Check for valid `memory' pointer.
(FT_Outline_Translate, FT_Outline_Reverse, FT_Outline_Render,
FT_Outline_Transform): Check for valid `outline' pointer.
* src/base/ftobjs.c (FT_New_GlyphSlot): Prepend glyph slot to
face->glyph, otherwise a new second glyph slot cannot be created.
(FT_Done_GlyphSlot): Fix memory leak.
(FT_Open_Face): Updated -- face->glyph is already managed by
FT_New_GlyphSlot.
* src/type42/t42objs.c (T42_GlyphSlot_Done): Updated.
Exclude debug info for `Release' versions to reduce library size.
* src/base/ftobjs.c (FT_Open_Face): Make it work as documented, this
is, ignore `aface' completely if face_index < 0. Reported by David
Osborn <spam@habitualhiatus.com>.
* include/freetype/ftimage.h (FT_Outline_MoveToFunc,
FT_Outline_LineTo_Func, FT_Outline_ConicToFunc,
FT_Outline_CubicToFunc), src/smooth/ftgrays.c (gray_render_conic,
gray_render_cubic, gray_move_to, gray_line_to, gray_conic_to,
gray_cubic_to, gray_render_span, gray_sweep): Decorate parameters
with `const' where appropriate.
* docs/TODO: Add some bugs which should be fixed.
* include/freetype/internal/tttypes.h (TT_FaceRec): Add `glyf_len'
element.
* src/truetype/ttpload.c (tt_face_load_loca): Get length of `glyf'
table.
(tt_face_get_location): Fix computation of `asize' for malformed
`loca' entries.
* src/type1/t1parse.c (T1_New_Parser), src/type42/t42parse.c
(t42_parser_init): modifying functions to check the font header before
allocating anything on the heap.
* internal/freetype/ftmemory.h: introducing the new macros FT_ARRAY_MAX
and FT_ARRAY_CHECK
* src/pcf/pcfread.c, src/pcf/pcfutil.c: minor fixes and simplifications.
try to protect the PCF driver from doing stupid things with broken fonts.
used to reduce the amount of heap size required to only test wether
we're dealing with a BDF font (the old code allocated 64 Kb right
before any test).
* src/lzw/ftlzw.c (FT_Stream_OpenLZW): modified the function to check
the LZW header before doing anything else. This helps avoid un-necessary
heap allocations (400 Kb of heap memory for the LZW decoder ! Oh my !)
* src/gzip/ftgzip.c (FT_Stream_OpenGZip): ditto for the .gz decoder,
though the code savings is smaller.
Fix serious typo which prevented correct TT rendering.
* include/freetype/internal/ftmemory.h: Undo change from 2005-03-03.
To suppress warnings it is sufficient to use `-fno-strict-aliasing'.
various bug-fixes and drastic heap usage reduction improvements.
* include/freetype/config/ftmodule.h: the auto-fitter is now the
only supported auto-hinting module
* include/freetype/config/ftstdlib.h: adding FT_INT_MAX definition
according to decreasing maximum cumulative allocations.
* include/freetype/internal/tttypes.h, src/sfnt/ttsbit.c, src/sfnt/ttsbit0.c,
src/truetype/ttobjs.c, src/cff/cffobjs.c, src/sfnt/sfobjs.c: implementing new
heap-optimized embedded bitmap loader. This one also fixes bug #12107
* src/sfnt/sfobjs.c: fixed bug that prevented loading SFNT fonts without
a 'kern' table.
drastically reduce the heap usage of FreeType, especially in the case
of memory-mapped files. The idea is to avoid loading and decoding tables
in the heap, and instead access the raw data whenever possible (i.e.
when it doesn't compromise performance).
This had several impacts: first, opening vera.ttf uses a ridiculous amount
of memory (when the FT_Library footprint is accounted for), until you start
loading glyphs. Even then, you'll save at least 20 Kb compared to the non
optimized case. performance of various operations, including open/close
has also been dramatically improved.
More optimisations to come. The auto-hinter eats memory like crazy? This
must be stopped...
src/truetype/ttpload.c, src/truetype/ttpload.h, src/truetype/ttgload.c:
added the temporary configuration FT_OPTIMIZE_MEMORY to control various
optimizations used to reduce the heap footprint of memory-mapped TrueType
files.
* src/truetype/ttpload.c (tt_face_load_loca, tt_face_get_location,
tt_face_done_loca): when FT_OPTIMIZE_MEMORY is set, the locations table
is read directly from memory-mapped streams, instead of being decoded
into the heap.
* src/truetype/ttpload.c: only load the CVT and fpgm tables when the
bytecode interpreter is compiled in.
in the memory debugger. Also a new function FT_DumpMemory() was added.
It is only available in builds with FT_DEBUG_MEMORY defined, and you
must declare it in your own code to use it, i.e. with something
like:
extern void FT_DumpMemory( FT_Memory );
...
FT_DumpMemory( memory );
* include/freetype/config/ftoptions.h: disabling TrueType bytecode
interpreter !
* include/freetype/internal/ftmemory.h: adding FT_ARRAY_ZERO, as a
convenience macro.
(unfinished) `otlayout' module but has been heavily modified to make
it much more compact.
* src/otvalid/*: New module.
* include/freetype/ftotval.h, src/base/ftotval.c,
include/freetype/internal/services/svotval.h: New files.
* include/freetype/config/ftmodule.h: Add otv_module_class.
* include/freetype/config/ftheader.h (FT_OPENTYPE_VALIDATE_H): New
macro.
* include/freetype/internal/ftserv.h
(FT_SERVICE_OPENTYPE_VALIDATE_H): New macro.
* include/freetype/internal/fttrace.h (otvmodule, otvcommon,
otvbase, otvgdef, otvgpos, otvgsub, otvjstf): New trace components.
* include/freetype/ftchapters.h: Updated.
* src/base/Jamfile (Library), src/base/descrip.mms (OBJS),
src/base/rules.mk (BASE_EXT_SRC): Updated.
* docs/CHANGES: Updated.
to NULL. This allows custom close functions to delete the FT_STREAM
object.
Add API to get information about SFNT tables.
* include/freetype/internal/services/svsfnt.h
(FT_SFNT_Table_Info_Func): New typedef.
(SFNT_Table): Add it.
* src/base/ftobjs (FT_Sfnt_Table_Info): New function.
* include/freetype/tttables.h: Updated.
* src/sfnt/sfdriver.c (sfnt_table_info): New function.
(sfnt_service_sfnt_table): Add it.
* docs/CHANGES: Updated.
* include/freetype/freetype.h (FREETYPE_PATCH): Set to 10.
* builds/unix/configure.ac (version_info): Set to 9:8:3.
* builds/unix/configure: Updated.
* builds/win32/visualc/index.html,
builds/win32/visualc/freetype.dsp,
builds/win32/visualc/freetype.vcproj: s/219/2110/, s/2.1.9/2.1.10/.
* builds/freetype.mk (refdoc), README, Jamfile (RefDoc):
s/2.1.8/2.1.9/.
* docs/CHANGES, docs/VERSION.DLL: Updated.
* src/base/ftrfork.c (FT_Raccess_Guess)
[!FT_CONFIG_OPTION_GUESSING_EMBEDDED_FORK]: Remove compiler
warnings.
Werner Lemberg