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Disable spring animation for scroll zoom due to performance issue

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infinitepower18 2024-08-14 22:24:08 +01:00
parent 672ec51d3e
commit 246b20d079
1 changed files with 9 additions and 1 deletions
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8
Sources/CropImage/UnderlyingImageView.swift
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@ -25,6 +25,7 @@ struct UnderlyingImageView: View {
@State private var tempOffset: CGSize = .zero @State private var tempOffset: CGSize = .zero
@State private var tempScale: CGFloat = 1 @State private var tempScale: CGFloat = 1
@State private var tempRotation: Angle = .zero @State private var tempRotation: Angle = .zero
@State private var scrolling: Bool = false
#if os(macOS) #if os(macOS)
@State private var isHovering: Bool = false @State private var isHovering: Bool = false
#endif #endif
@ -69,12 +70,18 @@ struct UnderlyingImageView: View {
clampedOffset.height = clampedOffset.height.clamped(to: yOffsetBounds(at: clampedScale)) clampedOffset.height = clampedOffset.height.clamped(to: yOffsetBounds(at: clampedScale))
if clampedScale != scale || clampedOffset != offset { if clampedScale != scale || clampedOffset != offset {
if scrolling {
scale = clampedScale
offset = clampedOffset
scrolling = false
} else {
withAnimation(.interactiveSpring()) { withAnimation(.interactiveSpring()) {
scale = clampedScale scale = clampedScale
offset = clampedOffset offset = clampedOffset
} }
} }
} }
}
func setInitialScale(basedOn viewSize: CGSize) { func setInitialScale(basedOn viewSize: CGSize) {
guard viewSize != .zero else { return } guard viewSize != .zero else { return }
@ -88,6 +95,7 @@ struct UnderlyingImageView: View {
#if os(macOS) #if os(macOS)
NSEvent.addLocalMonitorForEvents(matching: .scrollWheel) {event in NSEvent.addLocalMonitorForEvents(matching: .scrollWheel) {event in
if isHovering { if isHovering {
scrolling = true
scale = scale + event.scrollingDeltaY/1000 scale = scale + event.scrollingDeltaY/1000
} }
return event return event