git.r.bdr.sh - rbdr/patterns/blob - Sources/Patterns/Pattern.swift

   1 import SwiftUI
   2
   3 public struct Pattern: View {
   4
   5   private let pixelSize: CGFloat = 2.0;
   6
   7   private var patternSize: CGFloat {
   8     pixelSize * 8.0;
   9   }
  10
  11   @Binding var design: TileDesign;
  12
  13   public var body: some View {
  14     GeometryReader { gr in
  15       VStack(spacing: 0) {
  16         ForEach(0 ..< 1 + Int(ceil(gr.size.height / patternSize)), id: \.self) { i in
  17           HStack(spacing: 0) {
  18             ForEach(0 ..< Int(ceil(gr.size.width / patternSize)), id: \.self) { j in
  19               Tile(design: design)
  20             }
  21           }
  22         }
  23       }
  24     }.drawingGroup()
  25   }
  26 }
  27
  28 struct Pattern_Previews: PreviewProvider {
  29     static var previews: some View {
  30       Pattern(design: .constant(TileDesign.grid))
  31     }
  32 }