objective c - How to draw a rounded rectangle with a SOFT EDGE on the iPhone? -


i need overlay text on image. because image has lot of detail, need make text more legible.

what draw semi-transparent white rounded rectangle soft edge below text.

i've tried painting white rounded rectangle white shadow, doesn't give me quite effect want. results in hard edge between rounded rectangle , shadow. smooth transition.

any ideas?

i've done similar cggradient , pain , final result didn't great. easier way create edges partially transparent png using - (uiimage *)stretchableimagewithleftcapwidth:(nsinteger)leftcapwidth topcapheight:(nsinteger)topcapheight

transparent graphics expensive, may excessively degrade performance if have lot of labels, if you've got few (and don't move or otherwise require lots of redraws) you'll fine.


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