git.r.bdr.sh - rbdr/map/blob - Map/Presentation/Base Components/MapRender/MapStages.swift

   1 /*
   2  Copyright (C) 2024 Rubén Beltrán del Río
   3
   4  This program is free software: you can redistribute it and/or modify
   5  it under the terms of the GNU General Public License as published by
   6  the Free Software Foundation, either version 3 of the License, or
   7  (at your option) any later version.
   8
   9  This program is distributed in the hope that it will be useful,
  10  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  GNU General Public License for more details.
  13
  14  You should have received a copy of the GNU General Public License
  15  along with this program. If not, see https://map.tranquil.systems.
  16  */
  17 import Patterns
  18 import SwiftUI
  19
  20 struct MapStages: View {
  21
  22   let mapSize: CGSize
  23   let lineWidth: CGFloat
  24   let stages: [CGFloat]
  25   let opacity = 0.1
  26
  27   var body: some View {
  28     ZStack(alignment: .topLeading) {
  29       PatternView(
  30         design: .constant(.stitch), pixelSize: 1.0, foregroundColor: .map.stageForeground,
  31         backgroundColor: .map.stageBackground
  32       )
  33       .frame(width: w(stages[0]), height: mapSize.height)
  34       PatternView(
  35         design: .constant(.shingles), pixelSize: 1.0, foregroundColor: .map.stageForeground,
  36         backgroundColor: .map.stageBackground
  37       )
  38       .offset(CGSize(width: w(stages[0]), height: 0))
  39       .frame(width: w(stages[1]) - w(stages[0]), height: mapSize.height)
  40       PatternView(
  41         design: .constant(.shadowGrid), pixelSize: 1.0, foregroundColor: .map.stageForeground,
  42         backgroundColor: .map.stageBackground
  43       )
  44       .offset(CGSize(width: w(stages[1]), height: 0))
  45       .frame(width: w(stages[2]) - w(stages[1]), height: mapSize.height)
  46       PatternView(
  47         design: .constant(.wicker), pixelSize: 1.0, foregroundColor: .map.stageForeground,
  48         backgroundColor: .map.stageBackground
  49       )
  50       .offset(CGSize(width: w(stages[2]), height: 0))
  51       .frame(width: mapSize.width - w(stages[2]), height: mapSize.height)
  52
  53       Path { path in
  54         path.move(to: CGPoint(x: w(stages[0]), y: 0))
  55         path.addLine(to: CGPoint(x: w(stages[0]), y: mapSize.height))
  56         path.closeSubpath()
  57         path.move(to: CGPoint(x: w(stages[1]), y: 0))
  58         path.addLine(to: CGPoint(x: w(stages[1]), y: mapSize.height))
  59         path.closeSubpath()
  60         path.move(to: CGPoint(x: w(stages[2]), y: 0))
  61         path.addLine(to: CGPoint(x: w(stages[2]), y: mapSize.height))
  62         path.closeSubpath()
  63         path.move(to: CGPoint(x: w(stages[0]), y: 0))
  64         path.closeSubpath()
  65       }.strokedPath(StrokeStyle(lineWidth: lineWidth / 4, dash: [10.0, 18.0])).stroke(
  66         Color.map.axisColor)
  67     }
  68   }
  69
  70   func w(_ dimension: CGFloat) -> CGFloat {
  71     max(0.0, min(mapSize.width, dimension * mapSize.width / 100.0))
  72   }
  73 }
  74
  75 #Preview {
  76   MapStages(
  77     mapSize: CGSize(width: 200.0, height: 200.0), lineWidth: CGFloat(0.5),
  78     stages: [25.0, 50.0, 75.0])
  79 }