FM / conf.avail

/usr/share/fontconfig/conf.avail

Name	Size	Mode	Actions
10-autohint.conf	706	0644	edit dl rm
10-hinting-full.conf	692	0644	edit dl rm
10-hinting-medium.conf	696	0644	edit dl rm
10-hinting-none.conf	692	0644	edit dl rm
10-hinting-slight.conf	696	0644	edit dl rm
10-no-sub-pixel.conf	723	0644	edit dl rm
10-scale-bitmap-fonts.conf	2228	0644	edit dl rm
10-sub-pixel-bgr.conf	748	0644	edit dl rm
10-sub-pixel-rgb.conf	748	0644	edit dl rm
10-sub-pixel-vbgr.conf	758	0644	edit dl rm
10-sub-pixel-vrgb.conf	758	0644	edit dl rm
10-unhinted.conf	701	0644	edit dl rm
11-lcdfilter-default.conf	771	0644	edit dl rm
11-lcdfilter-legacy.conf	768	0644	edit dl rm
11-lcdfilter-light.conf	765	0644	edit dl rm
20-unhint-small-dejavu-sans-mono.conf	866	0644	edit dl rm
20-unhint-small-vera.conf	1537	0644	edit dl rm
25-unhint-nonlatin.conf	3489	0644	edit dl rm
30-metric-aliases.conf	13274	0644	edit dl rm
40-nonlatin.conf	5424	0644	edit dl rm
45-generic.conf	3543	0644	edit dl rm
45-latin.conf	6600	0644	edit dl rm
49-sansserif.conf	799	0644	edit dl rm
50-user.conf	911	0644	edit dl rm
51-local.conf	423	0644	edit dl rm
57-dejavu-sans-mono.conf	1509	0644	edit dl rm
59-liberation-mono.conf	482	0644	edit dl rm
60-generic.conf	2041	0644	edit dl rm
60-latin.conf	2068	0644	edit dl rm
61-urw-bookman.conf	1021	0644	edit dl rm
61-urw-c059.conf	1003	0644	edit dl rm
61-urw-d050000l.conf	1022	0644	edit dl rm
61-urw-fallback-backwards.conf	3257	0644	edit dl rm
61-urw-gothic.conf	913	0644	edit dl rm
61-urw-nimbus-mono-ps.conf	899	0644	edit dl rm
61-urw-nimbus-roman.conf	877	0644	edit dl rm
61-urw-nimbus-sans.conf	1574	0644	edit dl rm
61-urw-p052.conf	975	0644	edit dl rm
61-urw-standard-symbols-ps.conf	1061	0644	edit dl rm
61-urw-z003.conf	865	0644	edit dl rm
65-fonts-persian.conf	10293	0644	edit dl rm
65-google-droid-sans.conf	7170	0644	edit dl rm
65-khmer.conf	464	0644	edit dl rm
65-nonlatin.conf	8172	0644	edit dl rm
69-unifont.conf	847	0644	edit dl rm
70-no-bitmaps.conf	487	0644	edit dl rm
70-yes-bitmaps.conf	487	0644	edit dl rm
80-delicious.conf	597	0644	edit dl rm
90-synthetic.conf	1917	0644	edit dl rm

Edit: /usr/share/fontconfig/conf.avail/10-scale-bitmap-fonts.conf (2228B)

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <its:rules xmlns:its="http://www.w3.org/2005/11/its" version="1.0">
    <its:translateRule translate="no" selector="/fontconfig/*[not(self::description)]"/>
  </its:rules>

<description>Bitmap scaling</description>

<match target="font">
  <test name="outline" compare="eq">
    <bool>false</bool>
  </test>
  <edit name="pixelsizefixupfactor" mode="assign">
    <divide>
      <name target="pattern">pixelsize</name>
      <name target="font"   >pixelsize</name>
    </divide>
  </edit>
</match>

<match target="font">
  <test name="outline" compare="eq">
    <bool>false</bool>
  </test>
  <test name="scalable" compare="eq">
    <bool>false</bool>
  </test>
  <test name="hinting" compare="eq">
    <bool>true</bool>
  </test>
  <edit name="scalingnotneeded" mode="assign">
    <and>
      <less>
        <name>pixelsizefixupfactor</name>
        <double>1.2</double>
      </less>
      <more>
        <name>pixelsizefixupfactor</name>
        <double>0.8</double>
      </more>
    </and>
  </edit>
</match>
<match target="font">
  <test name="scalingnotneeded" compare="eq">
    <bool>true</bool>
  </test>
  <edit name="pixelsizefixupfactor" mode="assign">
    <double>1.0</double>
  </edit>
</match>

<match target="font">
  <test name="outline" compare="eq">
    <bool>false</bool>
  </test>
  <test name="pixelsizefixupfactor" compare="not_eq">
    <double>1.0</double>
  </test>
  <edit name="matrix" mode="assign">
    <times>
      <name>matrix</name>
      <matrix>
        <name>pixelsizefixupfactor</name> <double>0</double>
        <double>0</double> <name>pixelsizefixupfactor</name>
       </matrix>
    </times>
  </edit>
  <edit name="size" mode="assign">
    <divide>
      <name>size</name>
      <name>pixelsizefixupfactor</name>
    </divide>
  </edit>
</match>

</fontconfig>

Bitmap scaling false pixelsize pixelsize false false true pixelsizefixupfactor 1.2 pixelsizefixupfactor 0.8 true 1.0 false 1.0 matrix pixelsizefixupfactor 0 0 pixelsizefixupfactor size pixelsizefixupfactor