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Editorial Team
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Asked: 2026-06-03T23:18:18+00:00

i converted NSData of image to CGImage as below but i am getting memory

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i converted NSData of image to CGImage as below but i am getting memory leaks there but any one tell me how to convert that with out getting leaks:

CFDataRef imgData;
CGDataProviderRef imgDataProvider;
CGImageRef image1;
imgData = (CFDataRef)[array objectAtIndex:i];
    imgDataProvider = CGDataProviderCreateWithCFData (imgData);
    image1 = CGImageCreateWithPNGDataProvider(imgDataProvider, NULL, true, kCGRenderingIntentDefault);
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1 Answer

  1. Editorial Team

    This should work:

    CFDataRef imgData;
CGDataProviderRef imgDataProvider;
CGImageRef image1;
imgData = (CFDataRef)[array objectAtIndex:i];
imgDataProvider = CGDataProviderCreateWithCFData (imgData);
CFRelease(imgData);
image1 = CGImageCreateWithPNGDataProvider(imgDataProvider, NULL, true, kCGRenderingIntentDefault);
CGDataProviderRelease(imgDataProvider);

    Don’t forget to use CGImageRelease(image1); after you are done with it.

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