Pull request #4338: CHART-19306 无穷值显示增加等于号 & 默认渐变色修改

Merge in DESIGN/design from ~BJORN/design:feature/10.0 to feature/10.0

* commit 'cd40cde35e57e3f277dc213e211153f22d98ea98':
  颜色修改
  CHART-19306  默认渐变色修改
  CHART-19306 公式增加等于号

designer-chart/src/main/java/com/fr/design/mainframe/chart/gui/style/series/ColorPickerPaneWithMaxMin.java

@@ -93,9 +93,9 @@ public class ColorPickerPaneWithMaxMin extends ColorPickerPaneWithFormula {
     private void setTextState(TinyFormulaPane tinyFormulaPane, int index, int maxIndex, String value) {
         boolean enable = false;
         if (index == 0) {
-            value = "∞";
+            value = "=∞";
         } else if (index == maxIndex) {
-            value = "-∞";
+            value = "=-∞";
         } else {
             enable = true;
         }

designer-chart/src/main/java/com/fr/van/chart/gauge/VanChartGaugeBeautyPane.java

@@ -1,5 +1,6 @@
 package com.fr.van.chart.gauge;
 
+import com.fr.chart.base.ChartConstants;
 import com.fr.chart.base.GradientStyle;
 import com.fr.design.i18n.Toolkit;
 import com.fr.design.layout.TableLayout;
@@ -46,6 +47,7 @@ public class VanChartGaugeBeautyPane extends VanChartBeautyPane {
         };
 
         gradientBarPane = TableLayout4VanChartHelper.createGapTableLayoutPane(components, rowSize, columnSize);
+        colorGradient.updateColor(ChartConstants.GRADIENT_END, ChartConstants.GRADIENT_START);
         return gradientBarPane;
     }