init(numberOfHistogramEntries:histogramForAlpha:minPixelValue:maxPixelValue:)
Declaration
init(numberOfHistogramEntries: Int, histogramForAlpha: ObjCBool, minPixelValue: vector_float4, maxPixelValue: vector_float4)init(numberOfHistogramEntries: Int, histogramForAlpha: ObjCBool, minPixelValue: vector_float4, maxPixelValue: vector_float4)