1

MainWindow.xaml.cs

@@ -3,6 +3,7 @@ using RDTKEditor.Models;
 using RhythmBase.Events;
 using SkiaSharp;
 using System.ComponentModel;
+using System.Diagnostics;
 using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
@@ -239,7 +240,7 @@ namespace RDTKEditor
 			};
 			timelineCanvas.Children.Add(rectangle);
 		}
-		private void mainUI_PaintSurface(object sender, SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
+		/*private void mainUI_PaintSurface(object sender, SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
 		{
 			var sfc = e.Surface;
 			var cvs = sfc.Canvas;
@@ -248,7 +249,52 @@ namespace RDTKEditor
 			{
 				Color = SKColors.Red,
 			});
+		}*/
+
+        private void mainUI_PaintSurface(object sender, SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs e)
+        {
+            var sfc = e.Surface;
+            var cvs = sfc.Canvas;
+            var info = e.Info;
+
+            // 清除画布
+            cvs.Clear(SKColors.Black);
+
+            // 获取绘图表面的宽度和高度
+            float width = info.Width;
+            float height = info.Height;
+
+            // 设置缩放比例
+            float scaleX = width / 1600f;
+            float scaleY = height / 900f;
+
+            // 保存画布状态
+            cvs.Save();
+
+            // 应用缩放
+            cvs.Scale(scaleX, scaleY);
+
+            // 绘制内容
+            cvs.DrawLine(0, 0, 1600, 900, new SKPaint
+            {
+                Color = SKColors.Red,
+                StrokeWidth = 3,
+                IsStroke = true,
+            });
+            cvs.DrawLine(0, 900, 1600, 0, new SKPaint
+            {
+                Color = SKColors.White,
+                StrokeWidth = 3,
+                IsStroke = true,
+            });
+
+            // 恢复画布状态
+            cvs.Restore();
+
+            // 打印绘图表面的尺寸
+            Debug.Print(info.Size.ToString());
         }
+
     }
 	public class MainViewModel : INotifyPropertyChanged
 	{