GoesSoftware.SuperSDK.Canvas 7.23.7

SuperSDK.Canvas

Avalonia 画布组件库，提供可视化绘图、设备管理、连线等功能。

安装

dotnet add package SuperSDK.Canvas

使用示例

1. 在 XAML 中使用画布

<UserControl xmlns="https://github.com/avaloniaui"
 xmlns:canvas="using:SuperSDK.Canvas.Views">
 
 <canvas:GzCanvasView DataContext="{Binding Canvas}" />
 
</UserControl>

2. 在 ViewModel 中创建画布

using SuperSDK.Canvas.ViewModels;
using SuperSDK.Canvas.Services;

public class MainViewModel : ViewModelBase
{
 public GzCanvasViewModel Canvas { get; }
 
 public MainViewModel()
 {
 Canvas = new GzCanvasViewModel();
 
 // 加载画布数据（如果存在）
 string filePath = "canvas_data.gvs";
 if (File.Exists(filePath))
 {
 Canvas = CanvasFileService.LoadCanvas(filePath);
 }
 }
 
 public void SaveCanvas()
 {
 CanvasFileService.SaveCanvas(Canvas, "canvas_data.gvs");
 }
}

3. 常用操作

// 添加设备
Canvas.AddDevice(deviceModel);

// 删除设备
Canvas.RemoveDevice(deviceId);

// 清空画布
Canvas.ClearCanvas();

// 保存/加载数据（使用 CanvasFileService）
using SuperSDK.Canvas.Services;

CanvasFileService.SaveCanvas(Canvas, filePath);
var loadedCanvas = CanvasFileService.LoadCanvas(filePath);