--- /dev/null
+<!DOCTYPE kpartgui>
+<effect tag="frei0r.levels" id="frei0r.levels">
+ <name>Levels</name>
+ <description>Adjust levels</description>
+ <author>Maksim Golovkin</author>
+ <parameter type="constant" name="Channel" default="0" min="0" max="3">
+ <name>Channel</name>
+ </parameter>
+ <parameter type="constant" name="Input black level" default="0" min="0" max="1000" factor="1000">
+ <name>Input black level</name>
+ </parameter>
+ <parameter type="constant" name="Input white level" default="1000" min="0" max="1000" factor="1000">
+ <name>Input white level</name>
+ </parameter>
+ <parameter type="constant" name="Gamma" default="1000" min="10" max="4000" factor="4000">
+ <name>Gamma</name>
+ </parameter>
+ <parameter type="constant" name="Black output" default="0" min="0" max="1000" factor="1000">
+ <name>Black output</name>
+ </parameter>
+ <parameter type="constant" name="White output" default="1000" min="0" max="1000" factor="1000">
+ <name>White output</name>
+ </parameter>
+ <parameter type="bool" name="Show histogram" default="1">
+ <name>Show histogram</name>
+ </parameter>
+ <parameter type="constant" name="Histogram position" default="3" min="0" max="3">
+ <name>Histogram position</name>
+ </parameter>
+</effect>