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| == Install the packages ==
| | This page lists processor instruction sets that can be enabled on Funtoo Linux systems using the {{c|CPU_FLAGS_*}} variables. |
| Linux font quality is a chronic issue, by default fonts configuration far from ideal look. This can solved by rebuilding <tt>media-libs/fontconfig</tt> with the infinality USE flag which applies the infinality patch set. Infinality patches were previously available only in the lcd-filtering overlay and have now been merged into the main Funtoo portage tree.
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| <console>
| | ==CPU_FLAGS_X86 == |
| ###i## echo "media-libs/fontconfig infinality" >> /etc/portage/package.use
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| ###i## emerge -uN fontconfig
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| </console>
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| == Advanced configuration ==
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| === Fontconfig ===
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| ==== Default configuration ====
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| <console> | | {{TableStart}} |
| ###i## eselect fontconfig enable 10-antialias.conf
| | <tr><th>Flag</th><th>Introduced</th><th>Name</th><th></th></tr> |
| ###i## eselect fontconfig enable 10-autohint.conf
| | <tr><td>{{c|mmx}}</td><td>1997 (Pentium MMX)</td><td>MMX</td><td>See [[Wikipedia:MMX (instruction set)]] </td></tr> |
| ###i## eselect fontconfig enable 10-hinting.conf
| | <tr><td>{{c|mmxext}}</td><td>1999</td><td>AMD MMX Extensions</td><td>See [[Wikipedia:Extended MMX]]</td></tr> |
| ###i## eselect fontconfig enable 10-hinting-slight.conf
| | <tr><td>{{c|sse}}</td><td>1999 (Pentium III)</td><td>Streaming SIMD Extensions (SSE)</td><td>See [[Wikipedia:Streaming SIMD Extensions]]</td></tr> |
| ###i## eselect fontconfig enable 10-sub-pixel-rgb.conf
| | <tr><td>{{c|sse2}}</td><td>2001 (Pentium 4)</td><td>Streaming SIMD Extensions 2 (SSE2)</td><td>See [[Wikipedia:SSE2]]</td></tr> |
| ###i## eselect fontconfig enable 11-lcdfilter-default.conf
| | <tr><td>{{c|sse3}}</td><td>2004 (Pentium 4 Prescott)</td><td>Streaming SIMD Extensions 3 (SSE3/PNI)</td><td>See [[Wikipedia:SSE3]]</td></tr> |
| ###i## eselect fontconfig enable 70-no-bitmaps.conf
| | <tr><td>{{c|ssse3}}</td><td>2006 (Core 2 Woodcrest)</td><td>Supplemental Streaming SIMD Extensions 3 (SSSE3)</td><td>See [[Wikipedia:SSSE3]]</td></tr> |
| ###i## eselect fontconfig disable 10-hinting-full.conf
| | <tr><td>{{c|popcnt}}</td><td>2007</td><td>POPCNT and LZCNT</td><td>See [[Wikipedia:SSE4#POPCNT_and_LZCNT]]</td></tr> |
| ###i## eselect fontconfig disable 10-hinting-medium.conf
| | {{TableEnd}} |
| ###i## eselect fontconfig disable 10-no-sub-pixel.conf
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| ###i## eselect fontconfig disable 10-sub-pixel-bgr.conf
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| ###i## eselect fontconfig disable 10-sub-pixel-vbgr.conf
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| ###i## eselect fontconfig disable 10-sub-pixel-vrgb.conf
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| ###i## eselect fontconfig disable 10-unhinted.conf</console>
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| ===Linux configuration ===
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| Same as default configuration except:
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| <console> | |
| ###i## eselect fontconfig enable 21-hinting-small-aquabase-slight.conf
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| ###i## eselect fontconfig enable 21-hinting-small-browallia-slight.conf
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| ###i## eselect fontconfig enable 22-hinting-courier-italic-slight.conf
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| </console> | |
| === Infinality’s configuration ===
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| Same as default configuration except:
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| <console> | |
| ###i## eselect fontconfig enable 15-hinting-tt-instructed-full.conf
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| ###i## eselect fontconfig enable 20-hinting-small-fonts-slight.conf
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| ###i## eselect fontconfig enable 21-hinting-small-aquabase-slight.conf
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| ###i## eselect fontconfig enable 21-hinting-small-browallia-slight.conf
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| ###i## eselect fontconfig enable 22-hinting-courier-italic-slight.conf
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| ###i## eselect fontconfig enable 25-hinting-small-arial-black-slight.conf
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| </console> | |
| === Windows configuration ===
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| Same as default except:
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| <console> | |
| ###i## eselect fontconfig disable 10-autohint.conf
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| ###i## eselect fontconfig disable 10-hinting-slight.conf
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| ###i## eselect fontconfig enable 10-hinting-full.conf
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| ###i## eselect fontconfig enable 15-hinting-non-tt-instructed-slight.conf
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| ###i## eselect fontconfig enable 20-hinting-small-fonts-slight.conf
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| ###i## eselect fontconfig enable 21-hinting-small-aquabase-slight.conf
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| ###i## eselect fontconfig enable 21-hinting-small-browallia-slight.conf
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| ###i## eselect fontconfig enable 22-hinting-courier-italic-slight.conf
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| ###i## eselect fontconfig enable 25-hinting-small-arial-black-slight.conf
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| </console> | |
| === OSX configuration ===
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| Same as default configuration except:
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| <console> | |
| ###i## eselect fontconfig disable 10-autohint.conf
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| ###i## eselect fontconfig disable 10-hinting.conf
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| ###i## eselect fontconfig disable 10-hinting-slight.conf
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| ###i## eselect fontconfig enable 10-unhinted.conf
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| ###i## eselect fontconfig enable 15-hinting-tt-instructed-none.conf
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| </console> | |
| == Freetype ==
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| Freetype can be configured through environment variables (see <tt>/etc/env.d/99lcdfilter</tt> for a list of the variables and their description). Those variables can be overridden on a per-user basis by either redefining them in a startup file (such as <tt>~/.bash_profile</tt>) or by sourcing the <tt>/usr/lib/ft-settings.sh</tt> script with the desired style in parameter (you can, of course, source the script from a startup file).
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| usage: source ft-settings.sh <style>
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| <console> | |
| Possible styles:
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| default - Use default settings. A compromise that should please most people
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| osx - Simulate OSX rendering
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| ubuntu - Simulate UBUNTU rendering
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| linux - Generic Linux style - no snapping or certain other tweaks
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| windows - Simulate Windows rendering
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| vanilla - Just subpixel hinting
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| Infinality styles:
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| classic - Infinality rendering circa 2010. No snapping
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| nudge - CLASSIC with lightly stem snapping and tweaks
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| push - CLASSIC with medium stem snapping and tweaks
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| shove - Full stem snapping and tweaks without sharpening
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| sharpened - Full stem snapping, tweaks, and Windows-style sharpening
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| infinality - Settings used by Infinality
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| </console> | |
| == LibXft ==
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| Only legacy programs still use libXft. The default configuration is defined in <tt>/usr/share/X11/app-defaults/Xft</tt>. It can be overriden on a per-user basis in the <tt>~/.Xresources</tt> or <tt>~/.Xdefaults</tt> files:
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| <console> | |
| Xft.antialias: 1
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| Xft.autohint: 0
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| Xft.dpi: 96
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| Xft.hinting: 1
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| Xft.hintstyle: hintfull
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| Xft.lcdfilter: lcddefault
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| Xft.rgba: rgb
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| </console> | |
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| [[Category:HOWTO]] | |