Add scaling to PlantSchemeWindow

PamhagenSysCtrl/Helpers/Pipeline/Graph.cs

@@ -1,5 +1,7 @@
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
+using System.Windows.Media.Media3D;
 using System.Windows.Shapes;
 
 namespace PamhagenSysCtrl.Helpers.Pipeline {
@@ -102,22 +104,67 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             }
         }
 
-        public void Draw(Canvas canvas) {
-            canvas.Children.Add(new Rectangle() {
+        public void Draw(Canvas canvas, double scale) {
+            var bg = new Rectangle() {
                 Fill = Brushes.White,
-                Width = 5000,
-                Height = 5000,
-            });
+                Width = 8000,
+                Height = 8000,
+            };
+            SetPos(bg, -4000, -4000, 1);
+            canvas.Children.Add(bg);
             foreach (var e in Edges) {
                 e.Draw(canvas);
+                e.Scale(scale);
             }
             foreach (var n in Nodes) {
                 n.Draw(canvas);
+                n.Scale(scale);
             }
         }
 
-        public ISet<INode> GetHover(double x, double y) {
-            return Nodes.Where(n => n.IsInside(x, y)).ToHashSet();
+        public void Scale(double scale) {
+            foreach (var e in Edges) {
+                e.Scale(scale);
+            }
+            foreach (var n in Nodes) {
+                n.Scale(scale);
+            }
+        }
+
+        public static double ToPx(double v, double scale) {
+            return Math.Round(v * scale);
+        }
+
+        public static Point ToPx(double x, double y, double scale, double dxpx = 0, double dypx = 0, bool round = true) {
+            var p = new Point(x * scale + dxpx, y * scale + dypx);
+            return round ? new(Math.Round(p.X), Math.Round(p.Y)) : p;
+        }
+
+        public static Point ToPx(Point p, double scale) {
+            return ToPx(p.X, p.Y, scale);
+        }
+
+        public static double ToBorder(double scale) {
+            return scale > 10 ? 4 : scale > 7.5 ? 3 : scale > 4 ? 2 : 1;
+        }
+
+        public static void SetPos(FrameworkElement? s, double x, double y, double scale, double dxpx = 0, double dypx = 0) {
+            s?.SetValue(Canvas.LeftProperty, ToPx(x, scale) + dxpx);
+            s?.SetValue(Canvas.TopProperty, ToPx(y, scale) + dypx);
+        }
+
+        public static void SetWH(Shape? s, double w, double h, double scale) {
+            s?.Width = ToPx(w, scale);
+            s?.Height = ToPx(h, scale);
+        }
+
+        public static void SetCenter(Shape? s, double cx, double cy, double w, double h, double scale) {
+            Graph.SetWH(s, w, h, scale);
+            Graph.SetPos(s, cx - w / 2, cy - h / 2, scale);
+        }
+
+        public ISet<INode> GetHover(double x, double y, double scale) {
+            return Nodes.Where(n => n.IsInside(x / scale, y / scale)).ToHashSet();
         }
 
         public void Update(ISet<INode> hovering, bool isPressed) {