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fix: fixed logarithmic scaling in different than Network charts (#2418)

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This commit is contained in:
Serhiy Mytrovtsiy
2025-03-27 20:15:49 +01:00
parent 74a7609c90
commit da4ab07db1
2 changed files with 11 additions and 10 deletions
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4
Kit/Widgets/NetworkChart.swift
View File

@@ -177,11 +177,11 @@ public class NetworkChart: WidgetWrapper {
let topYPoint = { (point: Int) -> CGFloat in
let value = self.reverseOrderState ? points[point].1 : points[point].0
return scaleValue(scale: self.scaleState, value: value, maxValue: topMax, maxHeight: chartFrame.height/2, limit: 1) + xCenter
return scaleValue(scale: self.scaleState, value: value, maxValue: topMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1) + xCenter
}
let bottomYPoint = { (point: Int) -> CGFloat in
let value = self.reverseOrderState ? points[point].0 : points[point].1
return xCenter - scaleValue(scale: self.scaleState, value: value, maxValue: bottomMax, maxHeight: chartFrame.height/2, limit: 1)
return xCenter - scaleValue(scale: self.scaleState, value: value, maxValue: bottomMax, zeroValue: 256.0, maxHeight: chartFrame.height/2, limit: 1)
}
let topLinePath = NSBezierPath()

17
Kit/plugins/Charts.swift
View File

@@ -21,7 +21,7 @@ public struct circle_segment {
}
}
internal func scaleValue(scale: Scale = .linear, value: Double, maxValue: Double, maxHeight: CGFloat, limit: Double) -> CGFloat {
internal func scaleValue(scale: Scale = .linear, value: Double, maxValue: Double, zeroValue: Double, maxHeight: CGFloat, limit: Double) -> CGFloat {
var value = value
if scale == .none && value > 1 && maxValue != 0 {
value /= maxValue
@@ -45,12 +45,11 @@ internal func scaleValue(scale: Scale = .linear, value: Double, maxValue: Double
localMaxValue = cbrt(maxValue)
}
case .logarithmic:
let zeroVal = 256.0
if value > 0 {
value = log(value/zeroVal)
value = log(value/zeroValue)
}
if localMaxValue > 0 {
localMaxValue = log(maxValue/zeroVal)
localMaxValue = log(maxValue/zeroValue)
}
case .fixed:
if value > limit {
@@ -132,16 +131,18 @@ public class LineChartView: NSView {
private var scale: Scale
private var fixedScale: Double
private var zeroValue: Double
private var cursor: NSPoint? = nil
private var stop: Bool = false
public init(frame: NSRect, num: Int, suffix: String = "%", color: NSColor = .controlAccentColor, scale: Scale = .none, fixedScale: Double = 1) {
public init(frame: NSRect, num: Int, suffix: String = "%", color: NSColor = .controlAccentColor, scale: Scale = .none, fixedScale: Double = 1, zeroValue: Double = 0.01) {
self.points = Array(repeating: nil, count: num)
self.suffix = suffix
self.color = color
self.scale = scale
self.fixedScale = fixedScale
self.zeroValue = zeroValue
super.init(frame: frame)
@@ -194,7 +195,7 @@ public class LineChartView: NSView {
continue
}
var y = scaleValue(scale: self.scale, value: v.value, maxValue: maxValue, maxHeight: height, limit: self.fixedScale)
var y = scaleValue(scale: self.scale, value: v.value, maxValue: maxValue, zeroValue: self.zeroValue, maxHeight: height, limit: self.fixedScale)
if self.flipY {
y = height - y
}
@@ -400,8 +401,8 @@ public class NetworkChartView: NSView {
let bottomFrame = NSRect(x: 0, y: 0, width: frame.width, height: frame.height/2)
let inFrame = self.reversedOrder ? topFrame : bottomFrame
let outFrame = self.reversedOrder ? bottomFrame : topFrame
self.inChart = LineChartView(frame: inFrame, num: num, color: inColor, scale: scale, fixedScale: fixedScale)
self.outChart = LineChartView(frame: outFrame, num: num, color: outColor, scale: scale, fixedScale: fixedScale)
self.inChart = LineChartView(frame: inFrame, num: num, color: inColor, scale: scale, fixedScale: fixedScale, zeroValue: 256.0)
self.outChart = LineChartView(frame: outFrame, num: num, color: outColor, scale: scale, fixedScale: fixedScale, zeroValue: 256.0)
super.init(frame: frame)