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Diffstat (limited to 'hw/xfree86/doc/README.fonts')
| -rw-r--r-- | hw/xfree86/doc/README.fonts | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/hw/xfree86/doc/README.fonts b/hw/xfree86/doc/README.fonts index 230e29c78..2fe8dfaac 100644 --- a/hw/xfree86/doc/README.fonts +++ b/hw/xfree86/doc/README.fonts @@ -987,23 +987,28 @@ earlier in this document. The `X-TrueType' backend is a backend based on version 1 of the FreeType library. X-TrueType doesn't use the `fontenc' layer for managing font encod- -ings, but instead uses its own database of encodings. Since the functionali- -ties for CJKV support introduced by X-TT have been merged into the new -FreeType backend, the X-TT backend will be removed from XFree86's tree near -the future. Therefore, the use of FreeType backend is preferred over the X- -TT backend. General information on X-TrueType may be found at ." +ings, but instead uses its own database of encodings. + +Since the functionalities for CJKV support introduced by X-TT have been +merged into the new FreeType backend, the X-TT backend will be removed from +XFree86's tree near the future. Therefore, the use of FreeType backend is +preferred over the X-TT backend. + +General information on X-TrueType may be found at the After X-TT Project page +<URL:http://x-tt.sourceforge.jp/>. 4.2.3 Delayed glyph rasterisation -When loading a large character set, the old FreeType delayed glyph rasterisa- -tion until the time at which the glyph was first used. The new FreeType -(libfreetype-xtt2) has an improved `very lazy' metric calculation method to -speed up the process when loading TrueType or OpenType fonts. Although the -X-TT module also has this method, the "vl=y" TTCap option must be set if you -want to use it. This is the default method for FreeType when it loads multi- -byte fonts. Even if you use a unicode font which has tens of thousands of -glyphs, this delay will not be worrisome as long as you use the new FreeType -backend -- its `very lazy' method is super-fast. +When loading a proportional fonts which contain a huge number of glyphs, the +old FreeType delayed glyph rasterisation until the time at which the glyph +was first used. The new FreeType (libfreetype-xtt2) has an improved `very +lazy' metric calculation method to speed up the process when loading TrueType +or OpenType fonts. Although the X-TT module also has this method, the +"vl=y" TTCap option must be set if you want to use it. This is the default +method for FreeType when it loads multi-byte fonts. Even if you use a uni- +code font which has tens of thousands of glyphs, this delay will not be wor- +risome as long as you use the new FreeType backend -- its `very lazy' method +is super-fast. The maximum error of bitmap position using `very lazy' method is 1 pixel, and is the same as that of a character-cell spacing. When the X-TT backend is @@ -1176,7 +1181,7 @@ The IANA RFC documents, available from a number of sites throughout the world, often provide interesting information about character set issues; see for example RFC 373. - Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/fonts.sgml,v 1.23 dawes Exp $ + Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/fonts.sgml,v 1.24 dawes Exp $ -$XFree86: xc/programs/Xserver/hw/xfree86/doc/README.fonts,v 1.27 2003/11/24 01:57:56 dawes Exp $ +$XFree86: xc/programs/Xserver/hw/xfree86/doc/README.fonts,v 1.28 2003/12/20 19:47:28 dawes Exp $ |