优化DataZoom

2026-05-18 22:40:10 +00:00 · 2021-05-22 15:29:55 +08:00
parent 1b72bdf0ab
commit 355d3639b1
8 changed files with 98 additions and 10 deletions
--- a/Runtime/Helper/DataZoomHelper.cs
+++ b/Runtime/Helper/DataZoomHelper.cs
@@ -0,0 +1,37 @@
+/************************************************/
+/*                                              */
+/*     Copyright (c) 2018 - 2021 monitor1394    */
+/*     https://github.com/monitor1394           */
+/*                                              */
+/************************************************/
+using System.Collections.Generic;
+
+namespace XCharts
+{
+    public static class DataZoomHelper
+    {
+        public static DataZoom GetDataZoom(Serie serie, List<DataZoom> dataZooms)
+        {
+            if(serie == null) return null;
+            foreach (var dataZoom in dataZooms)
+            {
+                if (!dataZoom.enable) continue;
+                if (dataZoom.IsContainsXAxis(serie.xAxisIndex)
+                    || dataZoom.IsContainsYAxis(serie.yAxisIndex))
+                {
+                    return dataZoom;
+                }
+            }
+            return null;
+        }
+
+        public static void UpdateDataZoomRuntimeStartEndValue(DataZoom dataZoom, Serie serie){
+            if(dataZoom == null || serie == null) return;
+            float min = 0;
+            float max = 0;
+            SerieHelper.GetMinMaxData(serie, out min, out max, null);
+            dataZoom.runtimeStartValue = min + (max-min) * dataZoom.start / 100;
+            dataZoom.runtimeEndValue = min +(max-min) * dataZoom.end / 100;
+        }
+    }
+}