Use RGB plane as Curve Widget background:

[kdenlive] / effects / frei0r_curves.xml

diff --git a/effects/frei0r_curves.xml b/effects/frei0r_curves.xml
index 23aa124f25ebeca86d3d437b3becbe708be021fb..adb522c17314b538dfb640764e38f695e7412a8a 100644 (file)
--- a/effects/frei0r_curves.xml
+++ b/effects/frei0r_curves.xml
@@ -6,7 +6,7 @@
        <parameter type="list" name="Channel" default="0" paramlist="0,1,2,3" paramlistdisplay="Red,Green,Blue,Luma">
                <name>Channel</name>
        </parameter>
-       <parameter type="curve" default="0" number="Curve point number" inpoints="Point %i input value" outpoints="Point %i output value" min="1" max="5">
+       <parameter type="curve" default="0" depends="Channel" number="Curve point number" inpoints="Point %i input value" outpoints="Point %i output value" min="1" max="5">
                 <name>Curve Widget</name>
         </parameter>
        <parameter type="fixed" name="Curve point number" default="2" min="2" max="5">