CGBitmapContextCreateWithData

function CGBitmapContextCreateWithData(

  data: UnivPtr;

  width: size_t;

  height: size_t;

  bitsPerComponent: size_t;

  bytesPerRow: size_t;

  colorspace: CGColorSpaceRef;

  bitmapInfo: CGBitmapInfo;

  releaseCallback: CGBitmapContextReleaseDataCallback;

  releaseInfo: UnivPtr

):CGContextRef;