A fractional highlight rectangle drawn over a media item, in the item's OWN coordinate space
(0..1 on both axes). X,Y is the top-left corner; W,H are the width/height. Fractional
coordinates keep the highlight correct regardless of how the media is scaled to fit the pane.
A fractional highlight rectangle drawn over a media item, in the item's OWN coordinate space (0..1 on both axes).
X,Yis the top-left corner;W,Hare the width/height. Fractional coordinates keep the highlight correct regardless of how the media is scaled to fit the pane.