Ticket #328 (new defect)

Opened 3 years ago

Last modified 3 years ago

add "Xft.rgba: 1" to the Xresources so that subpixel rendering is used

Reported by: stuart56 Owned by: ppronchery
Priority: normal Milestone:
Component: build Version: trunk
Severity: major Keywords:
Cc:

Description

~/.Xresources (or a file in /etc/X11/Xresources/) should contain

Xft.rgba: 1

so that subpixel antialiasing is used rather than grey level antialiasing.

Please see  http://keithp.com/~keithp/talks/xtc2001/paper/ for where I found the different values.

If the screen is rotated the current value becomes "3" (vrgb).

Attachments

xterm-orig.png Download (32.8 KB) - added by stuart56 3 years ago.
screen shop of Xterm without rgba
xterm-rgba.png Download (32.8 KB) - added by stuart56 3 years ago.
screen shot of Xterm with: Xft.rgba: 1

Change History

Changed 3 years ago by stuart56

screen shop of Xterm without rgba

Changed 3 years ago by stuart56

screen shot of Xterm with: Xft.rgba: 1

comment:1 Changed 3 years ago by stuart56

  • Summary changed from add "Xft.rgba: 1" to the Xresources so that subpixel aliasing is correct to add "Xft.rgba: 1" to the Xresources so that subpixel rendering is used

Please look at the attached screen shots to see the differences. You need to zoom the images (with the "Smooth images when zoomed" option turned off in eog) to see the differences.

I think that the results with "Xft.rgba:1" are more readable (on the FR). The text is sharper (less fuzzy) because with subpixel rendering freetype has more control over the pixels of each characters.  http://en.wikipedia.org/wiki/Subpixel_rendering

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