Hi,
The After X-TT Project released libfreetype-xtt2 patch version 1.0
for enhancements of libfreetype.a.
In this release, the complete "vl=y" option is suppoted.
I write the CHANGES:
=====================================================================
CHANGES
======================================================================
MAJOR CHANGES AND FIXES:
- Fixed crash caused by using fonts which have OS2 sfnt table.
- Corrected metrics calculation error. Although the original code uses
size->metrics, the FT_Size_Metrics does not have exact values when
handling the outline. So the codes for metrics calculation were
drastically rewritten.
- Fixed some problems with FreeTypeRasteriseGlyph().
- Made "only metrics is required" distinct from "both metrics and
rasterised bitmap are required" to improve performance when loading
large charset.
- Fixed the erroneous usage of freetype2 API. To get valid metrics,
FT_Outline_Get_BBox() is used for outline.
- Took the strange code for raster copying and rewrote it.
- Fixed UNDERLINE_POSITION so that it counts downwards.
- Fixed a risky calculational method for info->maxbound and
info->minbound when spacing is not charcell. All glyphs' metrics are
calculated and valid info->maxbounds and info->minbounds are set
without cutting any corners.
ADDITIONAL FUNCTIONALITIES:
- Added TTCap option "fn","ai","ds","fs","vl","cr","bw","eb","hi",
"fc" and "fm" which are compatible with X-TT 1.4.
- Supported character width for vertical layouts.
- Removed jisx0208.1983-0.enc.
- Added "ALIAS jisx0208.1983-0" to jisx0208.1990-0.enc.
- Added Windows ucs2 cmap(3,1) to jisx0208.1990-0.enc.
- Added Windows ucs2 cmap(3,1) to jisx0201.1976-0.enc.
- Added enc file for GB18030-0.
- Added enc file for GB18030-1.
=====================================================================
In addition, we have important comments regarding fixes
for developer in following files:
http://x-tt.sourceforge.jp/arch/libfreetype-xtt2-CHANGES_AND_COMMENTS.txt
Download the patch -> http://x-tt.sourceforge.jp/
Thanks.
------------------------------------------------------------
Chisato Yamauchi
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