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Author SHA1 Message Date
Werner Lemberg 3a0844c8ef [autofit] Add more debugging functions. 
* src/autofit/afhints.c (af_glyph_hints_get_num_segments,
af_glyph_hints_get_segment_offset): New functions.
 2011-05-01 13:44:44 +02:00
suzuki toshiya 7c6da3d73a Add new option `--disable-mmap' to configure script. 
* builds/unix/configure.raw: New option `--disable-mmap'
is added.  It is for the developers to simulate the systems
without mmap() (like 4.3BSD, minix etc) on POSIX systems.
 2011-05-01 19:06:24 +09:00
suzuki toshiya 58cb359335 [truetype] Recalculate the sfnt table checksum always. 
* src/truetype/ttobjs.c (tt_get_sfnt_checksum): Recalculate
the sfnt table checksum even if non-zero value is writte in
the TrueType font header.  Some bad PDF generators write
wrong values.  For detail, see examples and benchmark tests
of the latency by recalculation:
http://lists.gnu.org/archive/html/freetype-devel/2011-04/msg00091.html
http://lists.gnu.org/archive/html/freetype-devel/2011-04/msg00096.html
 2011-05-01 00:47:43 +09:00
suzuki toshiya 1e89d15a27 [truetype] Register a set of tricky fonts, NEC FA family. 
* src/truetype/ttobjs.c (tt_check_trickyness_sfnt_ids):
Add 8 checksum sets for NEC FA family.  For the tricky fonts
without some tables (e.g. NEC FA fonts lack cvt table),
extra check is added to assure that 0-length table in the
registry is not included in the font.
 2011-04-30 17:55:57 +09:00
suzuki toshiya 89208861ef [truetype] Fix a bug in the sfnt table checksum getter. 
* src/truetype/ttobjs.c (tt_get_sfnt_checksum): Check the
return value of face->goto_table() correctly.
 2011-04-30 00:11:07 +09:00
Werner Lemberg b9aa1f1339 [autofit] Improve tracing messages. 
* src/autofit/aflatin.c (af_latin_metrics_init_blues,
af_latin_align_linked_edge, af_latin_hint_edges): Do it.
 2011-04-28 09:09:45 +02:00
suzuki toshiya 86b7b2f614 [truetype] Revert the reordering of trickyness checking. 
Trickyness check by the family name is faster than that by
the checksum.
 2011-04-26 03:46:12 +09:00
suzuki toshiya abc47aa136 [truetype] Always check the checksum to identify tricky fonts. 
Some PDF generators mangle the family name badly, prioritize
the check by the sfnt table checksums than the check by the
family name.  For sample PDF, see
http://lists.gnu.org/archive/html/freetype-devel/2011-04/msg00073.html

* src/truetype/ttobjs.c (tt_check_trickyness): Exchange the order
of tt_check_trickyness_family() and tt_check_trickyness_sfnt_ids().
 2011-04-25 23:51:04 +09:00
suzuki toshiya 233f9d5dd2 [autofit] Add more Indic scripts with hanging baseline. 
* src/autofit/afindic.c (af_indic_uniranges): Tibetan, Limbu,
Sundanese, Meetei Mayak, Syloti Nagri and Sharada scripts are
added.
 2011-04-22 10:14:07 +09:00
Behdad Esfahbod 8c82ec5b17 Always ignore global advance. 
This makes FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH redundant,
deprecated, and ignored.  The new behavior is what every major user
of FreeType has been requesting.  Global advance is broken in many
CJK fonts.  Just ignoring it by default makes most sense.

* src/truetype/ttdriver.c (tt_get_advances),
src/truetype/ttgload.c (TT_Get_HMetrics, TT_Get_VMetrics,
tt_get_metrics, compute_glyph_metrics, TT_Load_Glyph),
src/truetype/ttgload.h: Implement it.

* docs/CHANGES: Updated.
 2011-04-21 08:21:37 +02:00
suzuki toshiya a345c0e1d5 [autofit] Blur CJK stems if too many to preserve their gaps 2011-04-21 10:58:33 +09:00
Werner Lemberg d503b1bce2 Integrate autofitter debugging stuff. 
* devel/ftoption.h, include/freetype/config/ftoption.h
(FT_DEBUG_AUTOFIT): New macro.

* include/freetype/internal/fttrace.h: Add trace components for
autofitter.

* src/autofit/aftypes.h (AF_LOG): Removed.
(_af_debug): Removed.

* src/autofit/*: s/AF_DEBUG/FT_DEBUG_AUTOFIT/.
s/AF_LOG/FT_TRACE5/.
Define FT_COMPONENT where necessary.
 2011-04-18 19:05:28 +02:00
Werner Lemberg 575078d2b4 Formatting nits. 2011-04-18 15:33:17 +02:00
Werner Lemberg 149f5438c4 Synchronize config files. 
* builds/unix/ftconfig.in: Copy missing assembler routines from
include/freetype/config/ftconfig.h.
 2011-04-18 15:09:38 +02:00
Werner Lemberg 9b00875093 Fix Savannah bug #33047. 
Patch submitted by anonymous reporter.

* src/psaux/psobjs.c (ps_table_add): Use FT_PtrDist for pointer
difference.
 2011-04-13 13:37:37 +02:00
Kan-Ru Chen 21b1a0de7c Fix reading of signed integers from files on 64bit platforms. 
Previously, signed integers were converted to unsigned integers, but
this can fail because of sign extension.  For example, 0xa344a1eb
becomes 0xffffffffa344a1eb.

We now do the reverse which is always correct because the integer
size is the same during the cast from unsigned to signed.

* include/freetype/internal/ftstream.h, src/base/ftstream.c
(FT_Stream_Get*): Replace with...
(FT_Stream_GetU*): Functions which read unsigned integers.
Update all macros accordingly.

* src/gzip/ftgzip.c (ft_gzip_get_uncompressed_size): Updated.
 2011-04-12 09:26:43 +02:00
Werner Lemberg 7f03a2465c Update Unicode ranges for CJK autofitter; in particular, add Hangul. 
* src/autofit/afcjk.c (af_cjk_uniranges): Update to Unicode 6.0.
 2011-04-07 07:20:38 +02:00
Werner Lemberg 948a8fb674 Fix formatting of autofit debug dumps. 
* src/autofit/afhints.c (af_glyph_hints_dump_points,
af_glyph_hints_dump_segments, af_glyph_hints_dump_edges): Adjust
column widths.
 2011-04-04 13:02:08 +02:00
Werner Lemberg ef11551868 * src/autofit/aftypes.h (AF_OutlineRec): Removed, unused. 2011-03-30 09:29:05 +02:00
Werner Lemberg 360646c968 * src/cff/cfftypes.h (CFF_MAX_CID_FONTS): Increase to 256. 
This limit is given on p. 37 of Adobe Tech Note #5014.
 2011-03-24 09:29:23 +01:00
Werner Lemberg 01caf4a7a9 * src/truetype/ttpload.c(tt_face_load_loca): Fix mismatch warning. 2011-03-23 05:19:59 +01:00
Werner Lemberg af7b8b1a9f * src/sfnt/sfobjs.c (sfnt_open_font): Check number of TTC subfonts. 2011-03-20 07:51:57 +01:00
Werner Lemberg 8bd77f9030 More C++ compilation fixes. 
* src/autofit/afhints.c (af_glyph_hints_dump_points,
af_glyph_hints_dump_segments, af_glyph_hints_dump_edges)
[__cplusplus]: Protect with `extern "C"'.
 2011-03-19 15:27:04 +01:00
Werner Lemberg c7f26a1982 C++ compilation fixes. 
* src/autofit/aflatin.c (af_latin_hints_apply), src/autofit/afcjk.c
(af_cjk_hints_apply): Use cast for `dim'.
 2011-03-19 02:28:21 +01:00
Alexei Podtelezhnikov 8fb8841430 A better fix for Savannah bug #32671. 
* src/smooth/ftgrays.c (gray_render_conic): Clean up code and
replace WHILE loop with a more natural DO-WHILE construct.
 2011-03-17 20:24:57 +01:00
Werner Lemberg 437fb8ebf8 * src/base/ftstroke.c (FT_StrokerRec): Remove unused `valid' field. 
Suggested by Graham Asher.
 2011-03-16 08:54:02 +01:00
Werner Lemberg cecd912747 Make FT_Sfnt_Table_Info return the number of SFNT tables. 
* src/sfnt/sfdriver.c (sfnt_table_info): Implement it.
* include/freetype/tttables.h: Update documentation.
* docs/CHANGES: Updated.
 2011-03-09 06:18:28 +01:00
Bram Tassyns 3fd158d0ce Fix Savannah bug #27988. 
* src/cff/cffobjs.c (remove_style): New function.
(cff_face_init): Use it to strip off the style part of the family
name.
 2011-03-07 09:33:53 +01:00
Werner Lemberg 9c111b0179 * docs/CHANGES: Updated. 2011-03-07 06:07:53 +01:00
Werner Lemberg 6c045535ea Quick fix for Savannah bug #32671. 
This isn't the optimal solution yet, but it restores the previous
rendering quality (more or less).

* src/smooth/ftgrays.c (gray_render_conic): Do more splitting.
 2011-03-07 05:40:42 +01:00
Werner Lemberg c9bdfa7e65 Fix autohinting fallback. 
* src/base/ftobjs.c (FT_Load_Glyph): Assure that we only check TTFs,
ignoring CFF-based OTFs.
 2011-03-06 18:35:37 +01:00
Werner Lemberg 576fc2c06e Add AF_CONFIG_OPTION_USE_WARPER to control the autofit warper. 
* devel/ftoption.h, include/freetype/config/ftoption.h
(AF_CONFIG_OPTION_USE_WARPER): New macro.
* src/autofit/aftypes.h (AF_USE_WARPER): Remove.

* src/autofit/*: s/AF_USE_WARPER/AF_CONFIG_OPTION_USE_WARPER/.

* src/autofit/afwarp.c [!AF_CONFIG_OPTION_USE_WARPER]: Replace dummy
variable assignment with a typedef.
 2011-03-02 03:52:36 +01:00
Werner Lemberg b7fc0c7461 [autofit] Slight simplifications. 
* src/autofit/aflatin.c (af_latin_hints_link_segments): Remove
test which always returns false.
(af_latin_hints_compute_blue_edges): Remove redundant assignment.
 2011-02-26 18:36:21 +01:00
Werner Lemberg e7d1fb3142 * docs/PROBLEMS: Mention rendering differences on different 
platforms.
Suggested and worded by Jason Owen <jason.a.owen@gmail.com>.
 2011-02-24 20:01:00 +01:00
Werner Lemberg 6c28689691 [autofit] Comment out unused code. 
* src/autofit/aflatin.c, src/autofit/aflatin2.c
(af_latin_hints_compute_edges): Do it.
 2011-02-24 05:52:14 +01:00
Werner Lemberg f42cc539e0 * src/autofit/afhints.h (AF_GlyphHints): Remove unused field. 2011-02-24 05:18:46 +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
Kevin Kofler ff8095077c Fall back to autohinting if a TTF/OTF doesn't contain any bytecode. 
This is Savannah patch #7471.

* src/base/ftobjs.c (FT_Load_Glyph): Implement it.
 2011-02-19 23:09:26 +01:00
John Tytgat 18fffa456e [cff] Fix subset prefix removal. 
* src/cff/cffobjs.c (remove_subset_prefix): Update length after
subset prefix removal.
 2011-02-19 07:11:17 +01:00
Bradley Grainger 70f7db113e Add inline assembly version of FT_MulFix for MSVC. 
* include/freetype/config/ftconfig.h: Ported the FT_MulFix_i386
function from GNU inline assembly syntax (see #ifdef __GNUC__ block
above) to MASM syntax for Microsoft Visual C++.
 2011-02-14 08:32:24 +01:00
Bradley Grainger d2731e104c Add project and solution files in Visual Studio 2010 format. 
* builds/win32/.gitignore: Ignore user-specific cache files.
* builds/win32/vc2010/: Add VS2010 project & solution files, created
by upgrading builds/win32/vc2008/freetype.vcproj.
* objs/.gitignore: Ignore Visual Studio output files.
 2011-02-14 08:32:24 +01:00
Werner Lemberg 713faece86 * src/autofit/afdummy.c: Include `aferrors.h'. 
Problem reported by Chris Liddel <chris.liddell@artifex.com>.
 2011-02-03 19:47:13 +01:00
Werner Lemberg 75df70600f [cff] Ignore unknown operators in charstrings. 
Patch suggested by Miles.Lau <sunliang_liu@foxitsoftware.com>.

* src/cff/cffgload.c (cff_decoder_parse_charstrings): Emit tracing
message for unknown operators and continue instead of exiting with a
syntax error.
 2011-02-01 07:36:27 +01:00
Werner Lemberg 18931a5a5d [truetype] FT_LOAD_PEDANTIC now affects `prep' and `fpgm' also. 
* src/truetype/ttgload.c (tt_loader_init): Handle
`FT_LOAD_PEDANTIC'.
* src/truetype/ttobjs.c (tt_size_run_fpgm, tt_size_run_prep,
tt_size_init_bytecode, tt_size_ready_bytecode): New argument to
handle pedantic mode.
* src/truetype/ttobjs.h: Updated.
 2011-02-01 07:08:43 +01:00
Werner Lemberg f1a981b5ce [truetype] Protect jump instructions against endless loops. 
* src/truetype/interp.c (DO_JROT, DO_JMPR, DO_JROF): Exit with error
if offset is zero.
 2011-01-31 22:26:53 +01:00
Werner Lemberg d6a213f8ea [truetype] Improve handling of invalid references. 
* src/truetype/interp.c: Set even more TT_Err_Invalid_Reference
error codes only if pedantic hinting is active.  At the same time,
try to provide sane values which hopefully allow useful
continuation.  Exception to this is CALL and LOOPCALL – due to
possible stack corruption it is necessary to bail out.
 2011-01-31 18:51:07 +01:00
Werner Lemberg 96f0456483 [truetype] Improve handling of stack underflow. 
* src/truetype/ttinterp.c (TT_RunIns, Ins_FLIPPT, Ins_DELTAP,
Ins_DELTAC): Exit with error only if `pedantic_hinting' is set.
Otherwise, try to do something sane.
 2011-01-31 10:24:32 +01:00
Werner Lemberg 0682251e9f * src/sfnt/ttmtx.c (tt_face_load_hmtx): Fix tracing message. 2011-01-30 16:38:09 +01:00
LIU Sun-Liang c61b3596d4 [truetype]: Fix behaviour of MIAP for invalid arguments. 
* src/truetype/ttinterp.c (Ins_MIAP): Set reference points even in
case of error.
 2011-01-30 16:29:45 +01:00
Werner Lemberg dcdb3167dc [truetype] Fix handling of MIRP instruction. 
Thanks to Greg Hitchcock who explained the issue.

* src/truetype/ttinterp.c (Ins_MIRP): Replace a `>=' operator with
`>' since the description in the specification is incorrect.
This fixes, for example, glyph `two' in font `Helvetica Neue LT Com
65 medium' at 15ppem.
 2011-01-18 07:35:26 +01:00