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d8f9a453
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2015-12-13T15:54:17
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[autofit] Add support for Myanmar script.
* src/autofit/afblue.dat: Add blue zone data for Myanmar.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Myanmar standard characters.
* src/autofit/afranges.c: Add Myanmar data.
* src/autofit/afstyles.h: Add Myanmar data.
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0164d934
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2015-12-09T20:04:18
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[autofit] Introduce subscript top blue zones.
This feature is mainly for Khmer: The idea is to avoid a clash
between the top of subscript glyphs and the bottom of normal
baseline glyphs.
This only works for character clusters mapped to multiple glyphs.
* src/autofit/afblue.dat: Add subscript top blue zone for Khmer.
* src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_SUB_TOP): New
macro.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/aflatin.h (AF_LATIN_IS_SUB_TOP_BLUE,
AF_LATIN_BLUE_SUB_TOP): New macros.
* src/autofit/aflatin.c (af_latin_metrics_init_blues): Handle new
blue zone property.
Update tracing messages.
(af_latin_metrics_scale_dim): Handle new blue zone property.
(af_latin_hints_compute_blue_edges): Updated.
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c13526e6
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2015-12-08T09:48:50
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* src/autofit/afblue.dat: Add more Khmer clusters.
Some fonts have incorrect ligatures; we need more samples to get a
good mean value.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
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facb79ab
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2015-12-06T19:34:59
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[autofit] Add support for Khmer script.
We split Khmer into two auto-hinter scripts: `Khmer' (`khmr') and
`Khmer symbols' (`khms', U+19E0-U+19FF).
* src/autofit/afblue.dat: Add blue zone data for Khmer.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Khmer standard characters.
* src/autofit/afranges.c: Add Khmer data.
* src/autofit/afstyles.h: Add Khmer data.
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a8a54c30
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2015-12-05T13:26:44
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* src/autofit/afblue.dat: Separate blue zone characters with spaces.
Another preparation for character cluster support.
* src/autofit/afblue.c, src/autofit.afblue.h: Regenerated.
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a3046567
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2015-09-28T09:45:56
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[autofit] Add support for Lao script.
Thanks to Danh Hong <danhhong@gmail.com> for guidance with blue zone
characters!
* src/autofit/afblue.dat: Add blue zone data for Lao.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Lao standard characters.
* src/autofit/afranges.c: Add Lao data.
* src/autofit/afstyles.h: Add Lao data.
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d3cba0ed
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2015-09-04T10:28:53
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[autofit] Redesign code ranges (2/2).
This commit adds two fallback scripts (`latb', `latp') and
implements support for the no-base character ranges introduced in
the previous commit.
* src/autofit/aftypes.h (AF_ScriptClassRec): Add
`script_uni_nobase_ranges' field.
(AF_DEFINE_SCRIPT_CLASS): Updated.
* src/autofit/afscript.h, src/autofit/afstyles.h: Add `latb' and
`latp' fallback scripts.
* src/autofit/afblue.dat: Add blue zones for Latin subscript and
superscript fallback scripts.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afglobal.h (AF_NOBASE): New style flag for no-base
characters.
(AF_STYLE_MASK): Updated.
* src/autofit/afglobal.c (SCRIPT): Updated.
(af_face_globals_compute_style_coverage): Handle new style flag.
* src/autofit/aflatin.c (af_latin_hints_apply): Handle new style
flag.
* src/autofit/afranges.h (SCRIPT): Use it to export no-base ranges.
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ff406e2e
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2015-08-06T07:34:50
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[autofit] Improve Arabic hinting.
Problem reported by Titus Nemeth <tn@tntypography.eu> (by using
ttfautohint).
* src/autofit/afblue.dat: Add neutral blue zone for the tatweel
character.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
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d3284462
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2015-03-11T16:45:58
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[autofit] Add support for Arabic script.
Thanks to Titus Nemeth <tn@tntypography.eu> for guidance!
* src/autofit/afblue.dat: Add blue zone data for Arabic.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Arabic standard characters.
* src/autofit/afranges.c: Add Arabic data.
* src/autofit/afstyles.h: Add Arabic data.
* docs/CHANGES: Document it.
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19146a53
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2015-01-31T11:01:33
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[autofit] Add support for Thai script.
Thanks to Ben Mitchell <ben@rosettatype.com> for guidance with blue
zone characters!
* src/autofit/afblue.dat: Add blue zone data for Thai.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Thai standard characters.
* src/autofit/afranges.c: Add Thai data.
* src/autofit/afstyles.h: Add Thai data.
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f57fc59e
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2015-01-17T20:41:43
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Run `src/tools/update-copyright'.
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c9c33f20
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2014-10-18T11:01:14
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[autofit] Add blue-zone support for Telugu.
This essentially moves the Telugu script from the `Indic' hinter to
the `Latin' hinter.
Note that this is a first shot and quite certainly needs
refinements.
* src/autofit/afblue.dat: Add blue zone data for Telugu.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Telugu standard characters and move
data out of AF_CONFIG_OPTION_INDIC block.
* src/autofit/afranges.c: Move Telugu data out of
AF_CONFIG_OPTION_INDIC block.
* src/autofit/afstyles.h: Update Telugu data; in particular, use
AF_WRITING_SYSTEM_LATIN.
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c576bb0d
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2014-05-01T17:24:19
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[autofit] Add blue-zone support for Devanagari.
This essentially moves the Devanagari script from the `Indic' hinter
to the `Latin' hinter. Thanks to Girish Dalvi
<girish.dalvi@gmail.com> for guidance with blue zone characters!
* src/autofit/afblue.dat: Add blue zone data for Devanagari.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afscript.h: Add Devanagari standard characters and
move data out of AF_CONFIG_OPTION_INDIC block.
* src/autofit/afranges.c: Move Devanagari data out of
AF_CONFIG_OPTION_INDIC block.
Move U+20B9, (new) Rupee sign, from Latin to Devanagari.
* src/autofit/afstyles.h: Update Devanagari data; in particular, use
AF_WRITING_SYSTEM_LATIN.
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ccfc4b4c
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2014-04-28T21:13:14
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[autofit] Introduce neutral blue zones to the latin module.
Such blue zones match either the top or the bottom of a contour. We
need them for scripts where accent-like elements directly touch the
base character (for example, some vowel signs in Devanagari, cf.
U+0913 or U+0914).
* src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_NEUTRAL): New
property.
* src/autofit/afblue.h: Regenerated.
* src/autofit/aflatin.h (AF_LATIN_IS_NEUTRAL_BLUE): New macro.
(AF_LATIN_BLUE_NEUTRAL): New enumeration value.
* src/autofit/aflatin.c (af_latin_metrics_init_blues,
af_latin_hints_compute_blue_edges): Handle neutral blue zones.
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98e510ee
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2014-04-20T22:11:27
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[autofit] Fix Savannah bug #42148.
The adaptation of the cjk auto-hinter module to blue stringsets in
2013-08-25 had three severe bugs. Mea culpa.
1. Contrary to the latin auto-hinter, characters for reference and
overshoot values of a blue zone are specified separately. Due to
the screwed-up change it didn't work at all.
2. A boolean comparison was erroneously replaced with a cast,
causing invalid results with the `^' operator later on. The
visual artifact caused by this problem is the topic of the bug
report.
3. Two flag values were inverted, causing incorrect assignment of
reference and overshoot values.
* src/autofit/afblue.dat: Fix CJK bluestrings, introducing a new
syntax to have both reference and overshoot characters in a single
string. This is error #1.
Add extensive comments.
* src/autofit/afblue.hin (AF_BLUE_PROPERTY_CJK_FILL): Removed, no
longer used.
(AF_BLUE_PROPERTY_CJK_TOP, AF_BLUE_PROPERTY_CJK_HORIZ): Fix values.
This is error #3.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/afcjk.c (af_cjk_metrics_init_blues): Correct error #1.
Use character `|' to separate characters for reference and overshoot
values.
Improve tracing messages, synchronizing them with the latin
auto-hinter.
(af_cjk_hints_compute_blue_edges): Fix value of `is_top_right_blue'.
This is error #2.
(af_cjk_align_linked_edge): Add tracing message.
* src/autofit/afcjk.h (AF_CJK_IS_FILLED_BLUE): Removed, no longer
used.
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75efc2d0
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2013-10-19T21:46:03
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[autofit] s/SMALL_TOP/X_HEIGHT/.
* src/autofit/afblue.dat: Updated.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/aflatin.c, src/autofit/aflatin.h,
src/autofit/atlatin2.c: Updated.
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34efe05c
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2013-10-19T21:14:40
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* src/autofit/afblue.dat: s/MINOR/DESCENDER/.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
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5a4c5a5b
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2013-09-22T22:37:26
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[autofit] Disunify Cyrillic and Greek handling from Latin.
* src/autofit/afscript.h: Add Cyrillic and Greek.
* src/autofit/afblue.dat (AF_BLUE_STRINGSET_GREK,
AF_BLUE_STRINGSET_CYRL): Add blue zones for Greek and Cyrillic.
(AF_BLUE_STRINGSET_LATN): Fix typo.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/aflatin.c (af_grek_uniranges, af_cyrl_uniranges): New
arrays.
(af_grek_script_class, af_cyrl_script_class): New scripts.
* src/autofit/aflatin.h: Updated.
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3f542498
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2013-09-11T23:08:31
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[autofit] Improve Hebrew rendering.
This change introduces a new blue zone property
`AF_BLUE_PROPERTY_LATIN_LONG' to make the auto-hinter ignore short
top segments.
* src/autofit/afblue.dat: Fix Hebrew blue strings.
Use AF_BLUE_PROPERTY_LATIN_LONG for AF_BLUE_STRING_HEBREW_TOP.
* src/autofit/afblue.hin (AF_BLUE_PROPERTY_LATIN_LONG): New macro.
* src/autofit/afblue.c, src/autofit/afblue.h: Updated.
* src/autofit/aflatin.c (af_latin_metrics_init_blues): Handle
`AF_LATIN_IS_LONG_BLUE'.
* src/autofit/aflatin.h (AF_LATIN_IS_LONG_BLUE): New macro.
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371f5c3b
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2013-08-26T20:11:24
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[autofit] Add support for Hebrew script.
* src/autofit/afblue.dat: Add blue strings for Hebrew.
* src/autofit/afblue.c, src/autofit/afblue.h: Regenerated.
* src/autofit/aflatin.c (af_hebr_uniranges): New array.
(af_hebr_script_class): New script.
* src/autofit/aflatin.h, src/autofit/afscript.h: Updated.
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8b8be783
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2013-08-25T08:01:41
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[autofit] Introduce data file for blue strings.
The idea is to have a central file which gets processed by a Perl
script to create proper `.c' and `.h' files using templates. There
are two other reasons to do that:
. The data file should be easily readable. We use UTF-8 encoding
which then gets converted to single bytes.
. Since the number of supported scripts will increase soon, the
current usage of blue string arrays is a waste of space. Using
the Perl script it is possible to imitate jagged arrays,
defining enumeration constants as offsets into the arrays.
This commit only adds files without changing any functionality.
* src/autofit/afblue.dat: New data file.
* src/tools/afblue.pl: New Perl script for processing `afblue.dat'.
* src/autofit/afblue.cin, src/autofit/afblue.hin: New template files
for...
* src/autofit/afblue.c, src/autofit/afblue.c: New source files.
To avoid a dependency on Perl, we add them too.
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