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Can someone explain the concept of an Anchor and Anchor.Source to me (from SwiftUI)?
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I need to get the index as a forEach iterates. Normally, I could just use something like:var i = 0
for item in array {
//do stuff
i += 1
}But this doesn't work with ForEach. I also tried array.enumerated(), but then it won't let me use .identified(by:) for some reason, so it refuses it as a data source.
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I am trying to clip a view to a shape which has the parent view's size (as opposed to the view being clipped). Is this possible?I get an error that _modified_blah_blah can't be converted to a Shape...
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I have a ProgressBar custom view, and I would like the ability to set a custom fill on it. I can figure out how to do this with a color, but I want to be able to specify either a color or a gradient.The problem is that ShapeStyle has an associated type, and there is no TypeErased version that I know of, so I have no way to store the fill.Is there something I am missing, or a better way to do this?struct ProgressBar<S:Shape> : View {
var percent:CGFloat
var shape:S
init(shape:S, percent:CGFloat) {
self.percent = percent
self.shape = shape
}
var body: some View {
ZStack(alignment: .leading) {
Rectangle().fill().relativeSize(width: percent, height: 1.0).clipShape(shape)
shape.stroke()
}
}
}
extension ProgressBar where S == RoundedRectangle {
init(corner:Length, percent:CGFloat) {
self.shape = RoundedRectangle(cornerRadius: corner)
self.percent = percent
}
}
extension ProgressBar where S == Rectangle {
init(percent: CGFloat) {
self.shape = Rectangle()
self.percent = percent
}
func cornerRadius(_ radius: Length) -> ProgressBar<RoundedRectangle> {
return ProgressBar<RoundedRectangle>(corner: radius, percent: self.percent)
}
}
