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-rw-r--r--res/fonts/conf.d/10-scale-bitmap-fonts.conf80
1 files changed, 80 insertions, 0 deletions
diff --git a/res/fonts/conf.d/10-scale-bitmap-fonts.conf b/res/fonts/conf.d/10-scale-bitmap-fonts.conf
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+++ b/res/fonts/conf.d/10-scale-bitmap-fonts.conf
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+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+
+<!--
+ 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">
+ <double>0.15</double>
+ </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>