>> I have problem with all linux distros about fonts generally,
>> fonts are very smooth or fuzzy and it hurts my eyes when i
>> read more of the texts , [...] any patches to improve the
>> fonts to be like windows, very sharp

No need for patches.

> Can someone help this guy, please?

I am the right person here. I have the same problem but I don't
think that MS-Windows is "very sharp" either. So the issue has
several layers:

* Color (subpixels) antialiasing may be enabled, which for me
  gives a bit too much "fringing"/"fuzzyness" in both GNU/Linux
  and MS-Windows.

* Usually pure greyscale (pixel) antialasing is way better for
  me, but it also depends on whether the background is dark or
  light and whether the rendering library applies the right
  gamma correction for that (thanks to Werner for mentioning
  this some time ago).

* For me it is much better to turn off antialiasing entirely and
  rely on the autohinter (for PS fonts) or hints to get sharp
  shapes in black-white mode. This depends critically on finding
  well-hinted fonts and on the screen resolution.

* It is usually fairly important to set the screen resolution
  right "optically" (that is taking into account viewing
  distance.

* Displays with a linear resolution higher than 100DPI help a
  lot. 27in 4k displays have nearlu 200DPI.

The parameters related to the above are not part of FreeType but
come in several additional layers depending on rendering and GUI
framework.

The desperate user should let us know the type of screen, the
viewing distance, the type of fonts he prefers, and the GUI
environment.

In the meantime they can have a look at several articles and blog posts
on the subject that I have written (one of my pet topics
obviously):

- http://www.sabi.co.uk/Notes/linuxFonts.html
- http://www.sabi.co.uk/Cfg/Fontconfig/
- http://www.sabi.co.uk/blog/22-one.html?220305#220305
- https://www.sabi.co.uk/blog/14-one.html?140228#140228

Also:

- http://www.sabi.co.uk/blog/12-two.html#120225
- http://www.sabi.co.uk/blog/12-two.html#120206
- http://www.sabi.co.uk/blog/anno06-2nd.html#060509

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