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Questions - unsafemutablebufferpointer

Histogram of UIImage - calculating data of Lookup Table

Code This is my code for creating Lookup Table from UIImage - in order to use it as data for image's histogram. But I'm not quite happy with the performance time of it. extension UIImage { func ge...
test-img

Kacper Ducin

swift

uiimage

cgimage

unsafemutablebufferpointer

Votes: 0

Answers: 0

Breakup an UnsafeMutableBufferPointer<UInt32> in swift 5.x

iOS 15, Swift 5.5 Sorry, stupid easy question?? I am working on an image processing app, and I have this. let pixels = UnsafeMutableBufferPointer<UInt32>(start: rawData, count: width * height) ...
test-img

user3069232

swift

image

pixel

raw-data

unsafemutablebufferpointer

Votes: 0

Answers: 1

Latest Answer

Ok, I found the answer, thanks everyone for your comments. And yes, it is stupid obvious, you just use a subset. let pix1 = pixels[(0..<pixels.count / 2)] let pix2 = pixels[(pixels.count / 2)...] ...
test-img

user3069232

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