:)
On 01.07.12 21:34, Adam Twardoch wrote:
I feel fine today!
A.
Sent from my mobile phone.
On 01.07.2012, at 21:13, Karsten Luecke<karsten.lue...@kltf.de> wrote:
When you say something like
strong-stem-width=g gave a tiny (i think) better rendering
could you please explain what your definition of "better" is, plus a link to comparison
screenshots showing this setting vs the other setting? Stating something is "better" is
as useful as stating that today you feel fine. :)
Karsten
On 01.07.12 15:51, vern adams wrote:
Did a little testing using OpenSans Reg& Bold under Win7 (cleartype& greyscale)
and WinXP (cleartype& greyscale) but, to be honest, i didn't see any difference :)
except under Win7 there the `--strong-stem-width=g gave a tiny (i think) better rendering.
In theory, what difference should there be under which render settings?
-v
On 1 Jul 2012, at 12:49, Werner LEMBERG wrote:
From the documentation:
### Stem Width and Stem Positioning
`--strong-stem-width=`*string*, `-w`\ *string*
: ttfautohint offers two different routines to handle stem widths
and stem positions: 'smooth' and 'strong'. The former uses
discrete values which slightly increase the stem contrast with
almost no distortion of the outlines, while the latter snaps both
stem widths and stem positions to integer pixel values as much as
possible, yielding a crisper appearance at the cost of much more
distortion.
These two routines are mapped onto three possible rendering
targets:
- grayscale rendering, with or without optimization for subpixel
positioning (e.g. Mac OS\ X)
- 'GDI ClearType' rendering: the rasterizer version, as returned
by the GETINFO bytecode instruction, is in the range 36\<=
version<\ 38 and ClearType is enabled (e.g. Windows XP)
- 'DirectWrite ClearType' rendering: the rasterizer version, as
returned by the GETINFO bytecode instruction, is>=\ 38,
ClearType is enabled, and subpixel positioning is enabled also
(e.g. Windows\ 7)
GDI ClearType uses a mode similar to B/W rendering along the
vertical axis, while DW ClearType applies grayscale rendering.
Additionally, only DW ClearType provides subpixel positioning
along the x\ axis.
The command line option expects *string* to contain up to three
letters with possible values '`g`' for grayscale, '`G`' for GDI
ClearType, and '`D`' for DW ClearType. If a letter is found in
*string*, the strong stem width routine is used for the
corresponding rendering target. The default value is '`G`' which
means that strong stem width handling is activated for GDI
ClearType only. To use smooth stem width handling for all three
rendering targets, use the empty string as an argument, usually
connoted with '`""`'.
In the GUI, the option is split into three sets of radio buttons
to select the stem width routine for a given rendering target.
Please test and enjoy!
Werner
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