拼ui 一些业务逻辑x实现

2026-03-19 06:15:09 +08:00
parent f5c6f143c0
commit 49e45ac464
1118 changed files with 246518 additions and 5368 deletions
@@ -0,0 +1,133 @@
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace EasyChart.Layers
+{
+    internal sealed class DashedLineElement : VisualElement
+    {
+        private Color _color = Color.yellow;
+        private float _lineWidth = 1f;
+        private bool _dashed;
+        private float _dashLength = 4f;
+        private float _dashGap = 2f;
+        private float _dashOffset;
+
+        public Color Color
+        {
+            get => _color;
+            set
+            {
+                if (_color == value) return;
+                _color = value;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public float LineWidth
+        {
+            get => _lineWidth;
+            set
+            {
+                float v = Mathf.Max(0f, value);
+                if (Mathf.Approximately(_lineWidth, v)) return;
+                _lineWidth = v;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public bool Dashed
+        {
+            get => _dashed;
+            set
+            {
+                if (_dashed == value) return;
+                _dashed = value;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public float DashLength
+        {
+            get => _dashLength;
+            set
+            {
+                float v = Mathf.Max(0f, value);
+                if (Mathf.Approximately(_dashLength, v)) return;
+                _dashLength = v;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public float DashGap
+        {
+            get => _dashGap;
+            set
+            {
+                float v = Mathf.Max(0f, value);
+                if (Mathf.Approximately(_dashGap, v)) return;
+                _dashGap = v;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public float DashOffset
+        {
+            get => _dashOffset;
+            set
+            {
+                if (Mathf.Approximately(_dashOffset, value)) return;
+                _dashOffset = value;
+                MarkDirtyRepaint();
+            }
+        }
+
+        public DashedLineElement()
+        {
+            pickingMode = PickingMode.Ignore;
+            generateVisualContent += OnGenerateVisualContent;
+        }
+
+        private void OnGenerateVisualContent(MeshGenerationContext context)
+        {
+            var width = contentRect.width;
+            var height = contentRect.height;
+            if (width <= 0 || height <= 0) return;
+
+            var painter = context.painter2D;
+            painter.lineWidth = Mathf.Max(1f, LineWidth);
+            painter.strokeColor = Color;
+
+            bool isVertical = height >= width;
+            if (isVertical)
+            {
+                float x = width * 0.5f;
+                var a = new Vector2(x, 0);
+                var b = new Vector2(x, height);
+
+                if (Dashed) DashedLineUtils.DrawDashedLine(painter, a, b, DashLength, DashGap, DashOffset);
+                else
+                {
+                    painter.BeginPath();
+                    painter.MoveTo(a);
+                    painter.LineTo(b);
+                    painter.Stroke();
+                }
+            }
+            else
+            {
+                float y = height * 0.5f;
+                var a = new Vector2(0, y);
+                var b = new Vector2(width, y);
+
+                if (Dashed) DashedLineUtils.DrawDashedLine(painter, a, b, DashLength, DashGap, DashOffset);
+                else
+                {
+                    painter.BeginPath();
+                    painter.MoveTo(a);
+                    painter.LineTo(b);
+                    painter.Stroke();
+                }
+            }
+        }
+    }
+}