* UFontImage: MaterialIcons字体图标调大3个像素

SunnyUI/Font/UFontImageHelper.cs

@@ -23,6 +23,7 @@
  * 2021-06-15: V3.3.5 增加FontAwesomeV6的字体图标，重构代码
  * 2023-05-16: V3.3.6 重构DrawFontImage函数
  * 2022-05-17: V3.3.7 修复了一个窗体属性编辑器图标显示不全的问题
+ * 2023-10-25: V3.5.1 MaterialIcons字体图标调大3个像素
 ******************************************************************************/
 
 using System.Collections.Generic;
@@ -197,7 +198,7 @@ namespace Sunny.UI
                 case UISymbolType.FontAwesomeV6Solid:
                     return Fonts[UISymbolType.FontAwesomeV6Solid].GetFont(symbolValue, imageSize);
                 case UISymbolType.MaterialIcons:
-                    return Fonts[UISymbolType.MaterialIcons].GetFont(symbolValue, imageSize);
+                    return Fonts[UISymbolType.MaterialIcons].GetFont(symbolValue, imageSize, 3);
                 default:
                     return null;
             }

SunnyUI/Font/UFontImages.cs

@@ -89,10 +89,15 @@ namespace Sunny.UI
         /// <param name="iconText">图标</param>
         /// <param name="imageSize">图标大小</param>
         /// <returns>字体</returns>
-        public Font GetFont(int iconText, int imageSize)
+        public Font GetFont(int iconText, int imageSize, int offset = 0)
         {
             int item = GetFontSize(iconText, imageSize);
-            return Fonts.ContainsKey(item) ? Fonts[item] : null;
+            if (Fonts.ContainsKey(item + offset))
+                return Fonts[item + offset];
+            else if (Fonts.ContainsKey(item))
+                return Fonts[item];
+            else
+                return null;
         }
 
         /// <summary>