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view: public qrcodeview #83

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merged 1 commit into from
Sep 28, 2023
Merged

view: public qrcodeview #83

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14 changes: 7 additions & 7 deletions Sources/BitcoinUI/QRCodeView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
import CoreImage.CIFilterBuiltins
import SwiftUI

enum QRCodeType {
public enum QRCodeType {
case bitcoin(String)
case lightning(String)

Expand All @@ -22,12 +22,12 @@ enum QRCodeType {
}
}

struct QRCodeView: View {
public struct QRCodeView: View {
@State private var viewState = CGSize.zero
let screenBounds = UIScreen.main.bounds
var qrCodeType: QRCodeType

var body: some View {
public var body: some View {
Image(uiImage: generateQRCode(from: qrCodeType.qrString))
.interpolation(.none)
.resizable()
Expand All @@ -37,7 +37,7 @@ struct QRCodeView: View {
.gesture(dragGesture())
}

private func generateQRCode(from string: String) -> UIImage {
func generateQRCode(from string: String) -> UIImage {
let context = CIContext()
let filter = CIFilter.qrCodeGenerator()
let data = Data(string.utf8)
Expand All @@ -51,20 +51,20 @@ struct QRCodeView: View {
return UIImage(systemName: "xmark.circle") ?? UIImage()
}

private func dragGesture() -> some Gesture {
func dragGesture() -> some Gesture {
DragGesture()
.onChanged(handleDragChanged(_:))
.onEnded(handleDragEnded(_:))
}

private func handleDragChanged(_ value: DragGesture.Value) {
func handleDragChanged(_ value: DragGesture.Value) {
let translation = value.translation
let multiplier: CGFloat = 0.05
viewState.width = -translation.width * multiplier
viewState.height = -translation.height * multiplier
}

private func handleDragEnded(_ value: DragGesture.Value) {
func handleDragEnded(_ value: DragGesture.Value) {
withAnimation {
self.viewState = .zero
}
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