Function

vImageHistogramCalculation_Planar8(_:_:_:)

Calculates a histogram for a Planar8 image.

Declaration

func vImageHistogramCalculation_Planar8(_ src: UnsafePointer<vImage_Buffer>, _ histogram: UnsafeMutablePointer<vImagePixelCount>, _ flags: vImage_Flags) -> vImage_Error

Parameters

src

A pointer to a vImage buffer structure that contains the source image.

histogram

A pointer to a histogram. On return, this array will contain the histogram for the source image. The histogram will be an array with 256 elements.

flags

The options to use. Set the kvImageDoNotTile flag if you plan to perform your own tiling or use multithreading.

Return Value

kvImageNoError; otherwise, one of the error codes described in Data Types and Constants.