增加渐变背景切换

Util/BGSettingUtil.cs

@@ -0,0 +1,74 @@
+using GeekDesk.Constant;
+using GeekDesk.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Media;
+using System.Windows.Media.Effects;
+
+namespace GeekDesk.Util
+{
+    public class BGSettingUtil
+    {
+        private static readonly AppConfig appConfig = MainWindow.appData.AppConfig;
+        public static void BGSetting()
+        {
+            if (appConfig.BGStyle == BGStyle.ImgBac || appConfig.BGStyle == 0)
+            {
+                Image image = new Image
+                {
+                    Effect = new BlurEffect()
+                    {
+                        Radius = appConfig.BlurValue
+                    },
+                    Margin = new Thickness(-30),
+                    Source = appConfig.BitmapImage,
+                    Opacity = (double)(Math.Round((decimal)(appConfig.BgOpacity / 100.00), 2))
+            };
+
+                
+                //binding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
+                //image.SetBinding(Image.OpacityProperty, binding);
+
+                Grid grid = new Grid
+                {
+                    ClipToBounds = true
+                };
+                grid.Children.Add(image);
+
+                VisualBrush vb = new VisualBrush
+                {
+                    Visual = grid
+                };
+                MainWindow.mainWindow.BGBorder.Background = vb;
+            }
+            else
+            {
+                LinearGradientBrush lgb = new LinearGradientBrush();
+
+                GradientStop gs = new GradientStop
+                {
+                    Color = (Color)ColorConverter.ConvertFromString(appConfig.GradientBGParam.Color1),
+                    Offset = 0
+                };
+
+                lgb.GradientStops.Add(gs);
+
+                GradientStop gs2 = new GradientStop
+                {
+                    Color = (Color)ColorConverter.ConvertFromString(appConfig.GradientBGParam.Color2),
+                    Offset = 1
+                };
+                lgb.GradientStops.Add(gs2);
+                MainWindow.mainWindow.BGBorder.Background = lgb;
+            }
+            
+        }
+
+    }
+}