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mode out color out alpha
-------------- -------------- -----------
layer/over: ( sc+(1-sa)*dc , sa+da-sa*da )
multiply: ( sc*dc , sa+da-sa*da )
screen: ( sa*da - (da-dc)*(sa-sc) , sa+da-sa*da )
lighten: ( max(sa*dc,sc*da) , sa+da-sa*da )
darken: ( min(sa*dc,sc*da) , sa+da-sa*da )
add: ( min(dc+sc,1) , min(sa+da,1) )
subtract: ( max(dc-sc,0) , min(sa+da,1) )
difference: ( abs(sa*dc-sc*da) , sa+da-sa*da )
@lili2012
lili2012 / Emacs.kms
Created October 19, 2018 08:07 — forked from machinekoder/Emacs.kms
Emacs keys for Qt Creator
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE KeyboardMappingScheme>
<!-- Written by Qt Creator 4.2.1, 2017-03-27T21:24:06. -->
<mapping>
<shortcut id="CppTools.OpenHeaderSourceInNextSplit">
<key value="Ctrl+E, F4"/>
</shortcut>
<shortcut id="CppTools.SwitchHeaderSource">
<key value="F4"/>
</shortcut>