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Remove unneeded bindings

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This commit is contained in:
Rob Napier
2019-12-06 14:17:15 -05:00
parent bc006f6186
commit 868a485caa
1 changed files with 12 additions and 10 deletions
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22
CurvyText/ContentView.swift
View File

@@ -14,7 +14,7 @@ struct ContentView: View {
@State var P2 = CGPoint(x: 400, y: 700)
@State var P3 = CGPoint(x: 650, y: 500)
@State var text: NSAttributedString = {
let text: NSAttributedString = {
let string = NSString("You can display text along a curve, with bold, color, and big text.")
let s = NSMutableAttributedString(string: string as String,
@@ -34,7 +34,7 @@ struct ContentView: View {
}
.stroke(Color.blue, lineWidth: 2)
PathText(text: $text, P0: $P0, P1: $P1, P2: $P2, P3: $P3)
PathText(text: text, P0: P0, P1: P1, P2: P2, P3: P3)
.border(Color.green)
ControlPoint(position: $P0)
@@ -48,7 +48,6 @@ struct ContentView: View {
ControlPoint(position: $P3)
.foregroundColor(.red)
}
}
}
@@ -60,13 +59,13 @@ struct ContentView_Previews: PreviewProvider {
}
struct ControlPoint: View {
let controlPointSize: CGFloat = 13
let size = CGSize(width: 13, height: 13)
@Binding var position: CGPoint
var body: some View {
Rectangle()
.frame(width: controlPointSize, height: controlPointSize)
.frame(width: size.width, height: size.height)
.position(position)
.gesture(
DragGesture().onChanged {
@@ -76,11 +75,11 @@ struct ControlPoint: View {
}
struct PathText: UIViewRepresentable {
@Binding var text: NSAttributedString
@Binding var P0: CGPoint
@Binding var P1: CGPoint
@Binding var P2: CGPoint
@Binding var P3: CGPoint
var text: NSAttributedString
var P0: CGPoint
var P1: CGPoint
var P2: CGPoint
var P3: CGPoint
func makeUIView(context: UIViewRepresentableContext<PathText>) -> PathTextView {
PathTextView()
@@ -96,6 +95,9 @@ struct PathText: UIViewRepresentable {
}
}
/*
Draws attributed text along a cubic Bezier path defined by P0, P1, P2, and P3
*/
class PathTextView: UIView {
private let layoutManager = NSLayoutManager()