CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
ctx = CGBitmapContextCreate( malloc(dataSize), width, height,
    							8, //	CGImageGetBitsPerComponent(cgImage),
    							bytesPerRow, //CGImageGetBytesPerRow(cgImage),
    							space,
    							//kCGImageAlphaNoneSkipLast | kCGBitmapByteOrder32Big );
    							kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little);
    							//kCGImageAlphaPremultipliedFirst  | kCGBitmapByteOrder32Little);

    CGColorSpaceRelease( space );

// now draw the image into the context
CGRect rect = CGRectMake( 0, 0, CGImageGetWidth(cgImage), CGImageGetHeight(cgImage) );
CGContextDrawImage( ctx, rect, cgImage );

pixels = CGBitmapContextGetData( ctx );

CGImageRef newImg = CGBitmapContextCreateImage(ctx);
[[UIImage imageWithCGImage:newImg] drawInRect:rect];
CGImageRelease(newImg);