2005-03-03 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxopen.c (Coverage_Index1, Coverage_Index2,
Get_Class2): For all binary searches, handle the case where
the number of items is 0. (#162977, Nick Lamb)
* pango/opentype/ftxgdef.c (TT_GDEF_Build_ClassDefinition):
Handle the case where glyph_count == 0 properly. Fix a problem
with cleanups on memory allocation failure.
(Get_New_Count, Add_Glyph_Property): Avoid reading off the
end of the ClassRangeRecord array.
Tue Jul 27 12:38:05 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxopen.[ch] pango/opentype/ftxgsub.c
pango/opentype/ftxpos.c: Save the order in which
features were added and use that when applying features.
(Patch from Soheil Hassas Yeganeh, #122330)
Mon Jul 26 15:24:11 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (ADD_Glyph): Remove the
unused parameter from the IN_CURITEM() and IN_CURGLYPH
macros.
Mon Jul 26 15:16:07 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_ChainContextSubst[123]):
Match backtrack context against the output glyphs not
the input glyphs (#145174, Aamir Wali)
Mon Jul 26 14:49:22 2004 Owen Taylor <otaylor@redhat.com>
* ftxgdef.[ch] otlbuffer.[ch]: Make Check_Property() take a
OTL_GlyphItem, add a gproperties field to OTLGlyphItem,
and use that to cache the properties for a glyph.
* ftxgsub.c ftxgdef.c: Adapt to Check_Property() changes.
* otlbuffer.[ch] ftxgsub.c: Add otl_buffer_copy_output_glyph()
to use when we are copying an unmodified glyph from input
to output that preserves the cached properties.
Wed Jun 23 16:13:53 2004 Owen Taylor <otaylor@redhat.com>
#143693, Sayamindu Dasgupta
* pango/opentype/pango-ot-buffer.c (pango_ot_buffer_set_zero_width_marks) pango/opentype/pango-ot-private.h:
Allow setting for whether marks should be given zero width,
defaulting to FALSE.
* modules/arabic/arabic-fc.c (arabic_engine_shape): Turn
on zero-width-marks setting.
Mon Jun 21 13:55:17 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/otlbuffer.c: Use the gcc-3.3
strict-aliasing compatible macros from fterrcompat.h
(#140495, reported by Stanislav Brabec)
Thu May 27 16:57:30 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/otlbuffer.c: Free buffer->positions,
clean up error returns that were returning uninitialized
values. (#139239, Behdad Esfahbod)
Tue Mar 16 11:24:46 2004 Owen Taylor <otaylor@redhat.com>
* === Released 1.4.0 ===
* configure.in: Version 1.4.0, interface ago 0. Require
glib-2.4.0.
* NEWS: Updates.
* README: Some updates; include details about the FreeType
license of the OpenType code.
2004-03-03 Hans Breuer <hans@breuer.org>
* pango/module-defs-win32.c.win32 : if PANGO_MODULE_PREFIX is
defined include the basic backend shaper (should have been
commited at 2003-12-12, too)
* pango/makefile.msc : generate correct type for PangoFontMask
(bug #135892, John Ehresman)
* pango/opentype/makefile.msc : updated
* pango/pango.def pango/pangoft2.def : more updatd externals
Sun Feb 29 09:25:13 2004 Owen Taylor <otaylor@redhat.com>
Rework opentype interfaces and other changes to make GPOS
work for Arabic. (Most of #117282, #121060)
* pango/opentype/otlbuffer.[ch]: OTL_Buffer that
acts as a replacement for the separate GSUB and
GPOS string structures and hides many of the internal
details.
* pango/opentype/ftxgsub.[ch] pango/opentype/ftxgpos.[ch]:
Adapt to OTL_Buffer.
* pango/opentype/ftxgpos.c: Redo handling of cursive
chains so that it actually works.
* pango/pango-ot.h pango/opentype/pango-ot-buffer.c:
Pango wrapper around OTL_Buffer.
* pango/pango-ot.h pango/pango-ot-ruleset.c pango/pango-ot-buffer.c:
Split pango_ot_ruleset_shape() into pango_ot_ruleset_substitute(),
pango_ot_ruleset_position(), make them act on
PangoOTBuffer, add a separate pango_ot_buffer_output()
which does the default positioning and writes to a
PangoGlyphString.
* modules/arabic/arabic-fc.c modules/indic/indic-fc.c
modules/indic/mprefixups.[ch]: Adapt to new OpenType
interfaces; add GPOS features for Arabic.
* pango/opentype/pango-ot-info.c: Don't derive class information
from Unicode properties for Arabic presentation forms,
let the shaping process derive the properties.
Sat Feb 21 09:49:23 2004 Owen Taylor <otaylor@redhat.com>
* pango/opentype/pango-ot-ruleset.c (pango_ot_ruleset_shape):
Sign convention for y offsets is opposite between
PangoGlyphString and FT code. (#132591)
Fri Feb 13 10:54:18 2004 Owen Taylor <otaylor@redhat.com>
Memory leak fixes from Masatake YAMATO, #130652
* pango/opentype/ftxgdef.c (TT_Done_GDEF_Table):
Free the gdef table as well as the contained data.
* pango/opentype/ftxgdef.c (TT_GDEF_Build_ClassDefinition):
Set gcd->loaded, so that the contents get freed later.
2003-12-13 Hans Breuer <hans@breuer.org>
* pango/pango.def pangoft2.def : moved pango_fc_*
to the latter where they live on *nix too.
* pango/makefile.msc : make it build again (including
the Ft2 backend)
* pango/module-defs-fc.c.win32 : if PANGO_MODULE_PREFIX is defined
include the basic backend shaper
* pango/pangowin32.c (pango_win32_render_layout) :
initialize iter before first usage to avoid immediate crashing
* pango/opentype/makefile.msc
pango/modules/makefile.msc : finally build with mscv, too.
[completely untested cause I'm not able to type, write or read
any of these languages]
* modules/modules.def : follow module function renaming/changes
* modules/basic/basic-win32.c : register the right engine, i.e.
make it compile
Sat Nov 1 09:32:15 2003 Owen Taylor <otaylor@redhat.com>
* pango/pango-ot.h pango/pangofc-font.h modules/indic/indic-ot.h
pango/pangoft2.c pango/opentype/pango-ot-info.c
pango/opentype/pango-ot-ruleset.c pango/opentype/ottest.c
pango/opentype/ftxopen.[ch] pango/opentype/ftxgdef.c
pango/opentype/ftxgsub.c pango/opentype/ftxgpos.c:
Switch over to recommended Freetype system of
include ft2build.h then #include FT_FREETYPE_H.
Fixes ftmodule.h problem with current Freetype CVS.
(#125548)
Mon Sep 15 17:16:59 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/fterrcompat.h: Fix gcc-3.3 versions of
macros to have the right return value.
Mon Aug 25 10:17:21 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_ChainContextSubst3)
* pango/opentype/ftxgpos.c (Lookup_ChainContextPos3):
Fix problems where the coverage wasn't being checked
for the first input glyph. (#118639, Kailash C. Chowksey)
Fri Aug 22 18:09:52 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/fterrcompat.h: Add some macro definitions
for gcc-3.3 that suppress the bogus strict-aliasing
warnings.
* pango/pango-utils.c (read_config_file): Use
g_hash_table_new_full() to simplify code and fix
gcc-3.3 warnings.
* pango/pangox-fontmap.c (pango_x_real_get_coverage_win)
* pango/querymodules.c (query_module): Suppress gcc-3.3
warnings.
* pango/modules.c (pango_find_map): Fix warning from
missing declaration of pango_module_get_type().
* pango/pango-context.c/pango-engine.c: Fix name confusion
for pango_get_fallback_shaper().
Tue Jul 29 09:58:13 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgdef.c (Check_Property): Rewrite
handling of IGNORE_SPECIAL_MARKS to be properly
"ignore marks of attachment type different than
specified. (#118456, Kailash C. Chowksey)
Sat Jul 26 09:41:22 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_LigatureSubst):
Revert back out the FreeType patch preventing
ligatures of not-originally adjacent glyphs;
it doesn't work for all scripts. (#118472,
Kailash C. Chowksey)
Sat Jul 26 22:30:59 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_ChainContextSubst{1,2,3}):
Check for lookahead glyphs in the right place. (Patch
from #116860)
* pango/opentype/ftxgpos.c (Lookup_ChainContextPos{1,2,3}):
Same fix here.
Sat Jul 26 22:12:46 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Do_String_Lookup,
TT_GSUB_Apply_String): Fix return value to only
contain TTO_Err_Not_Covered if *no* lookups
matched. Fix memory leaks on error in Apply_String().
Sat Jul 26 21:06:26 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Load_EmptyOrClassDefinition):
Fix confusion between boolean and FT_Error return.
(GSUB equivalent of fix for #108358)
Sat Jul 26 10:43:20 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c pango/opentype/ftxgpos.c:
Fix various memory leaks from error returns that should
have been jumps to cleanup blocks. (From Qt, Lars Knoll)
Sat Jul 26 10:30:24 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgpos.c: Fix additional places where
TTO_Err_Not_Covered wasn't considered a successful return
from Get_Class. (From Qt, Lars Knoll)
Sat Jul 26 09:41:22 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_LigatureSubst):
If applying a ligature lookup makes adjacent two glyphs
that were not originally adjacent, avoid making
subsequent ligatures between those glyphs.
(From FreeType, Werner Lemberg, 2001-08-22, 2001-08-23)
Sat Jul 26 09:16:57 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgpos.c pango/opentype/ftxopen.c:
Fix some FreeType1 variable declarations that snuck
in from the last commits (Christophe Fergeau,
118363)
Fri Jul 25 23:38:07 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgpos.c pango/opentype/ftxgsub.c:
OpenType-1.4 update: backtrack information is stored with the
item closest to the input first (From FreeType,
Werner Lemberg, 2002-09-26)
Fri Jul 25 23:07:06 2003 Owen Taylor <otaylor@redhat.com>
Update of GPOS and GSUB support to OpenType 1.3
(From FreeType, Werner Lemberg, 2001-08-08)
* pango/opentype/ftxopen.h: Add RIGHT_TO_LEFT LookupFlag
* pango/opentype/ftxgpos.c (GPOS_Instance): Add 'first'
member to mark the beginning of a chain of cursive connections.
* pango/opentype/ftxgpos.c (Do_String_Lookup): If the
RIGHT_TO_FLAG flag is set, shift cursive chain up so
last glyph is on the baseline.
Fri Jul 25 22:59:13 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftx{gpos,gsub}.h pango/opentype/ftxgdef.c:
Add GPOS_LOOKUP_EXTENSION, GSUB_LOOKUP_EXTENSION, which
allow lookup information to be stored at 32-bit offets
via a double indirection. (From FreeType, Werner Lemberg,
2001-08-08)
Fri Jul 25 22:25:48 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxgsub.c (Lookup_ContextSubst2,
Lookup_ChainContextSubst2): Fix a couple of
places where TTO_Err_Not_Covered wasn't considered
a successful return from Get_Class -- it means
use class index 0. (From FreeType, Werner Lemberg,
2001-08-06)
Fri Jul 25 20:12:00 2003 Owen Taylor <otaylor@redhat.com>
Improvements to OpenType-dumping code, based on
changes in Qt by Lars Knoll.
* pango/opentype/ottest.c: Tweak the debugging output,
suppress some warnings.
* pango/opentype/disasm.c: Add support for
GSUB Context/Chain GPOS MarkBase lookups, improve
output in various ways.
Thu Jul 24 17:04:21 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/pango-ot-ruleset.c (pango_ot_ruleset_shape):
Fix uses of g_assert() around statements with side effects.
(#115498, patch from David Cuthbert)
Wed Apr 16 03:46:42 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/pango-ot-info.c (synthesize_class_def):
More careful handling of face->charmap; if is NULL,
try to set a unicode charmap, if that doesn't succeed,
return. (Hopefully fixes#106550)
Tue Apr 15 11:49:39 2003 Owen Taylor <otaylor@redhat.com>
* pango/opentype/ftxg{sub/pos}.c: When loading
in Load_Chain{Sub,Pos}ClassRule, the limit we
have only applies to the input ClassDef table.
Fixes problem with Arial Unicode. Much help from
Noah Levitt in tracing this down.
Owen Taylor
Behdad Esfahbod
Theppitak Karoonboonyanan
Hans Breuer