Save All is now working.

Size is now a relative value in Line.

Progrart.Core/Graphics/Line.cs

@@ -77,7 +77,7 @@ namespace Progrart.Core.Graphics
 				new SKPaint()
 				{
 					ColorF = Color,
-					StrokeWidth = Size,
+					StrokeWidth = context.TranslateSize(Size),
 					Shader = shader
 				}
 			);

Progrart.Core/Graphics/Rectangle.cs

@@ -6,7 +6,7 @@ using System.Diagnostics;
 
 namespace Progrart.Core.Graphics
 {
-    public class Rectangle : BaseElement
+	public class Rectangle : BaseElement
 	{
 
 		float StrokeWidth;
@@ -78,7 +78,7 @@ namespace Progrart.Core.Graphics
 				new SKPaint()
 				{
 					ColorF = Color,
-					StrokeWidth = StrokeWidth,
+					StrokeWidth = context.TranslateSize(StrokeWidth),
 					Shader = shader
 				}
 			);

Progrart.Core/JSExecution/ProgrartExecutor.cs

@@ -82,7 +82,11 @@ namespace Progrart.Core.JSExecution
 			{
 				height = (float)(js_height.AsNumber());
 			}
-			RenderContext renderContext = new RenderContext((int)(width * Scale), (int)(width * Scale));
+			RenderContext renderContext = new RenderContext((int)(width * Scale), (int)(width * Scale))
+			{
+				LogicalW = width,
+				LogicalH = height
+			};
 			ImageRoot imageRoot = new ImageRoot();
 
 			var img = engine.Engine.Call("main");

Progrart.Core/RenderContext.cs

@@ -8,6 +8,8 @@ namespace Progrart.Core
 		public PrimitiveDrawingCore DrawingCore { get; }
 
 		public SKCanvas canvas { get => DrawingCore.canvas; }
+		public float LogicalW;
+		public float LogicalH;
 		public RenderContext(PrimitiveDrawingCore core)
 		{
 			this.DrawingCore = core;
@@ -20,6 +22,10 @@ namespace Progrart.Core
 		{
 			return TranslatePoint(point.X, point.Y);
 		}
+		public float TranslateSize(float s)
+		{
+			return (float)(s *  Math.Sqrt(DrawingCore.Width * DrawingCore.Width + DrawingCore.Height * DrawingCore.Height)/ Math.Sqrt(LogicalH * LogicalH + LogicalW * LogicalW));
+		}
 		public RenderContext(int W, int H)
 		{
 			DrawingCore = new PrimitiveDrawingCore(W, H);

Progrart/Controls/BaseEditor.axaml.cs

@@ -6,6 +6,7 @@ using AvaloniaEdit;
 using AvaloniaEdit.TextMate;
 using Progrart.Commands;
 using System;
+using System.Threading.Tasks;
 using System.Windows.Input;
 using TextMateSharp.Grammars;
 
@@ -20,7 +21,7 @@ public partial class BaseEditor : UserControl
 		get => CodeEditBox.Text;
 		set => CodeEditBox.Text = value;
 	}
-	public Action? onSaveCmd;
+	public Func<Task>? onSaveCmd;
 	public BaseEditor()
 	{
 		InitializeComponent();
@@ -35,14 +36,15 @@ public partial class BaseEditor : UserControl
 		var saveBinding = new KeyBinding
 		{
 			Gesture = new KeyGesture(Key.S, KeyModifiers.Control),
-			Command = new GenericCommand() { onExecute = (_) => Save() }
+			Command = new GenericCommand() { onExecute = (_) => Task.Run(Save) }
 		};
 
 		CodeEditBox.KeyBindings.Add(saveBinding);
 	}
-	void Save()
+	async Task Save()
 	{
-		onSaveCmd?.Invoke();
+		if (onSaveCmd is not null)
+			await onSaveCmd.Invoke();
 	}
 	public void SetGrammerByExtension(string extension_name)
 	{

Progrart/Controls/TabSystem/TabHost.axaml.cs

@@ -3,6 +3,8 @@ using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 using Avalonia.Platform.Storage;
 using Progrart.Pages;
+using System;
+using System.Threading.Tasks;
 
 namespace Progrart.Controls.TabSystem;
 
@@ -43,6 +45,16 @@ public partial class TabHost : UserControl
 		}
 		return null;
 	}
+	public async Task Foreach(Func<ITabPage, Task<bool>> handler)
+	{
+		foreach (var item in PageContainer.Children)
+		{
+			if (item is ITabPage page)
+			{
+				if (await handler(page)) break;
+			}
+		}
+	}
 	public void SelectButton(TabButton button)
 	{
 		foreach (var item in TabContainer.Children)

Progrart/Pages/EditorPage.axaml.cs

@@ -21,7 +21,6 @@ public partial class EditorPage : UserControl, ITabPage, IEditorPage
 	public EditorPage()
 	{
 		InitializeComponent();
-
 	}
 
 	public bool IsSameFile(IStorageFile file)
@@ -78,7 +77,7 @@ public partial class EditorPage : UserControl, ITabPage, IEditorPage
 		});
 	}
 
-	public void Save()
+	public async Task Save()
 	{
 	}
 

Progrart/Pages/EditorProvider.cs

@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Text;
+using System.Threading.Tasks;
 
 namespace Progrart.Pages
 {
@@ -63,7 +64,7 @@ namespace Progrart.Pages
 	public interface IEditorPage
 	{
 		void LoadDocument(IStorageFile file);
-		void Save();
+		Task Save();
 		bool IsSameFile(IStorageFile file);
 		void Execute(ExecuteArguments? args = null);
 	}

Progrart/Pages/ImageViewPage.axaml.cs

@@ -47,7 +47,7 @@ public partial class ImageViewPage : UserControl, ITabPage, IEditorPage
 		});
 	}
 
-	public void Save()
+	public async Task Save()
 	{
 	}
 

Progrart/Pages/ProgrartEditorPage.axaml.cs

@@ -109,12 +109,13 @@ public partial class ProgrartEditorPage : UserControl, ITabPage, IEditorPage
 		});
 	}
 
-	public void Save()
+	public async Task Save()
 	{
 		if (file is not null)
 		{
-			string content = CodeEditor.Text;
-			Task.Run(async () =>
+			string content = "";
+			await Dispatcher.UIThread.InvokeAsync(() => { content = CodeEditor.Text; });
+			await Task.Run(async () =>
 			{
 				using var stream = await file.OpenWriteAsync();
 				stream.SetLength(0);

Progrart/Views/MainView.axaml

@@ -44,7 +44,8 @@
 										<MenuItem Header="_Open">
 											<MenuItem Header="_Project" Name="OpenProjectMenuItem"/>
 										</MenuItem>
-										<MenuItem Header="_Save"/>
+										<MenuItem Header="_Save" Click="MenuItem_Save_Click"/>
+										<MenuItem Header="Save A_ll" Click="MenuItem_SaveAll_Click"/>
 										<MenuItem Header="Save _As"/>
 									</MenuItem>
 									<MenuItem Header="_Tools">

Progrart/Views/MainView.axaml.cs

@@ -9,6 +9,7 @@ using Progrart.Core.JSExecution;
 using Progrart.Pages;
 using System;
 using System.Diagnostics;
+using System.Threading.Tasks;
 
 namespace Progrart.Views;
 
@@ -49,7 +50,7 @@ public partial class MainView : UserControl
 		});
 		ToolTip.SetTip(MenuButton, "Press Shift+Ctrl+Space to open menu");
 		ToolTip.SetIsOpen(MenuButton, true);
-		
+
 		BottomPanelToggle.IsCheckedChanged += (a, b) =>
 		{
 			bool v = BottomPanelToggle.IsChecked == true;
@@ -108,23 +109,23 @@ public partial class MainView : UserControl
 		};
 		LeftPanelToggle.IsChecked = true;
 		RunButton.Click += (_, _) =>
-        {
-            Execute();
-        };
+		{
+			Execute();
+		};
 	}
 
-    private void Execute()
-    {
-        if (MainTabHost.GetCurrentPage() is IEditorPage editor)
-        {
-            ExecuteArguments args = new ExecuteArguments();
-            args.data["Scale"] = $"{SizeBox.Value}";
-            args.data["Debug"] = $"{IsDebugBox.IsChecked ?? false}".ToLower();
-            editor.Execute(args);
-        }
-    }
+	private void Execute()
+	{
+		if (MainTabHost.GetCurrentPage() is IEditorPage editor)
+		{
+			ExecuteArguments args = new ExecuteArguments();
+			args.data["Scale"] = $"{SizeBox.Value}";
+			args.data["Debug"] = $"{IsDebugBox.IsChecked ?? false}".ToLower();
+			editor.Execute(args);
+		}
+	}
 
-    private void OutputClear_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	private void OutputClear_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
 	{
 		Output.Text = "";
 	}
@@ -161,4 +162,19 @@ public partial class MainView : UserControl
 			editor.Save();
 		}
 	}
+
+	private void MenuItem_Save_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		if (MainTabHost.GetCurrentPage() is IEditorPage editor) Task.Run(async () => await editor.Save());
+	}
+
+	private void MenuItem_SaveAll_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+	{
+		Task.Run(async () => await MainTabHost.Foreach(async (page) =>
+		{
+			if (page is IEditorPage editor)
+				await editor.Save();
+			return false;
+		}));
+	}
 }