<field type="CARD32" name="red_mask" />
<field type="CARD32" name="green_mask" />
<field type="CARD32" name="blue_mask" />
<field type="CARD8" name="format" />
<field type="CARD32" name="red_mask" />
<field type="CARD32" name="green_mask" />
<field type="CARD32" name="blue_mask" />
<field type="CARD8" name="format" />