objective c - 3D transforms in UIWebView not captured properly with 'renderInContext' -

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i starting out objective-c ios. i've created simple app lives in uiwebview, generates imagery based on user input, , needs allow users capture , share creations in online gallery. have made method captures image of uiwebview. don't have code in front of me right now, it's similar code in how take screenshot programmatically , other sources online, , i'll upload later if necessary.

the trouble i'm having entire app relies on css3 3d transforms within uiwebview create imagery, , when screenshot generated, transforms appear flattened. understanding renderincontext: supposed show uiwebview appears user, not what's happening. know why cold be, or how around it?

i've tried research on one, , closest thing find unanswered question: gray box on uiwebview screenshot.


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