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Slider marks optimization for large ranges

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commit_hash:76431a83dd3ee4c212fa3c2fa3ce3a9ff6bc5ac7
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denlvovich
2026-01-20 20:55:52 +03:00
parent 13c40d9afe
commit a3fe6acebf
1 changed files with 25 additions and 16 deletions
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client/ios/LayoutKit/LayoutKit/Blocks/Slider/MarksLayer.swift
+25 -16
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@@ -95,25 +95,34 @@ final class MarksLayer: CALayer {
in ctx: CGContext
) {
let spaceWidth = (bounds.width - configuration.horizontalInset) / (maxValue - minValue)
guard startIndex <= endIndex, spaceWidth >= 0 else { return }
let markConfiguration = markConfiguration(for: style)
let markHeight = style == .active ? activeMark.size.height : inactiveMark.size.height
let xActiveOrigin = spaceWidth * startIndex
.floored() + (configuration.horizontalInset - activeMark.size.width) / 2
let xInactiveOrigin = spaceWidth * startIndex
.floored() + (configuration.horizontalInset - inactiveMark.size.width) / 2
guard markConfiguration != .empty,
startIndex <= endIndex,
spaceWidth >= 0 else {
return
}
let markHeight = markConfiguration.size.height
let xOrigin = spaceWidth * startIndex
.floored() + (configuration.horizontalInset - markConfiguration.size.width) / 2
let yOrigin = bounds.midY - markHeight / 2
var activeOrigin = CGPoint(x: xActiveOrigin, y: yOrigin)
var inactiveOrigin = CGPoint(x: xInactiveOrigin, y: yOrigin)
var origin = CGPoint(x: xOrigin, y: yOrigin)
for _ in Int(startIndex - minValue)...Int(endIndex - minValue) {
switch style {
case .active:
activeMark.render(in: ctx, with: activeOrigin)
case .inactive:
inactiveMark.render(in: ctx, with: inactiveOrigin)
}
activeOrigin.x += spaceWidth
inactiveOrigin.x += spaceWidth
markConfiguration.render(in: ctx, with: origin)
origin.x += spaceWidth
}
}
private func markConfiguration(
for style: MarkStyle
) -> MarksConfigurationModel.RoundedRectangle {
switch style {
case .active:
activeMark
case .inactive:
inactiveMark
}
}
}