<?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>
<!--
If font is bitmap, calculate scale factor.
Note that color bitmap fonts have scalable=true, while
non-color ones have scalable=false. Both groups have outline=false.
-->
<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>
<!--
For non-scalable bitmap fonts (ie. non-color), skip
minor scaling if hinting is enabled.
-->
<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>
<!--
If we *are* going to scale, go ahead and do it.
-->
<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>
