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While MXML-G can make use of databinding to an Array variable listing 20 numeric values to populate a ColorMatrixFilter, the FXG specification states that a simple comma delimited attribute should be provided. Since FXG does not use databinding, the ActionScript implementation of the matrix property in mx.filters.ColorMatrixFilter needs to accept such a String instead of just an Array.


test.mxml
-------------

<?xml version="1.0" encoding="utf-8"?>
<FxApplication xmlns="http://ns.adobe.com/mxml/2009" >

    <d:ColorMatrixFilterComp x="300" xmlns:d="*" />

</FxApplication>


ColorMatrixFilterComp.fxg
-----------------------------------

<?xml version="1.0" encoding="utf-8"?>
<Graphic xmlns="http://ns.adobe.com/fxg/2008">
    <Group>
        <filters>
            <ColorMatrixFilter matrix="0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0" />
        </filters>
        <Rect id="rect1" width="200" height="200" >
            <fill>
                <SolidColor color="0x330099" />
            </fill>
        </Rect>
    </Group>
</Graphic>


Workaround:
Change this:
<ColorMatrixFilter matrix="0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0" />

To this:
<ColorMatrixFilter matrix="[0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0]" />

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While MXML-G can make use of databinding to an Array variable listing 20 numeric values to populate a ColorMatrixFilter, the FXG specification states that a simple comma delimited attribute should be provided. Since FXG does not use databinding, the ActionScript implementation of the matrix property in mx.filters.ColorMatrixFilter needs to accept such a String instead of just an Array. test.mxml ------------- <?xml version="1.0" encoding="utf-8"?> <FxApplication xmlns="http://ns.adobe.com/mxml/2009" >     <d:ColorMatrixFilterComp x="300" xmlns:d="*" /> </FxApplication> ColorMatrixFilterComp.fxg ----------------------------------- <?xml version="1.0" encoding="utf-8"?> <Graphic xmlns="http://ns.adobe.com/fxg/2008">     <Group>         <filters>             <ColorMatrixFilter matrix="0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0" />         </filters>         <Rect id="rect1" width="200" height="200" >             <fill>                 <SolidColor color="0x330099" />             </fill>         </Rect>     </Group> </Graphic> Workaround: Change this: <ColorMatrixFilter matrix="0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0" /> To this: <ColorMatrixFilter matrix="[0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0]" />