LabSpace

using LabSpace.Storage;

var memory = new MemoryProjectStorage();
IProjectStorage storage = new ProtectedRecoveryStorage(memory);

await storage.WriteRecoveryAsync("{}");                       // ignored: nothing saved yet
await storage.SaveAsync("Demo.labspace.json", projectJson);   // saves and re-enables recovery
Console.WriteLine(memory.Recovery is not null);               // True

using LabSpace.Core;
using LabSpace.Signals;

Value sine = SignalMath.Generate(count: 1024, rate: 2000, frequency: 50, amplitude: 2,
    start: 0, shape: "Sine", noise: 0.05);
Value smooth = SignalMath.MovingAverage(sine, window: 8);
double rms = SignalMath.Rms(smooth.Samples);
Value spectrum = SignalMath.Spectrum(sine);        // 513 bins

using LabSpace.Core;
using LabSpace.Documents;

var vi = Examples.Blank("Sum.vi");
var x = Examples.NewNode("control", 80, 80); x.Label = "x"; x.Value = 3;
var y = Examples.NewNode("control", 80, 220); y.Label = "y"; y.Value = 7;
var sum = Examples.NewNode("add", 320, 130);
var output = Examples.NewNode("indicator", 570, 130); output.Label = "x + y";
vi.Diagram.Nodes.AddRange([x, y, sum, output]);
Examples.Connect(vi.Diagram, x, sum, "x");
Examples.Connect(vi.Diagram, y, sum, "y");
Examples.Connect(vi.Diagram, sum, output);

string json = ProjectSerializer.Save(new LabProject { Name = "Demo", Instruments = [vi] });
LabProject loaded = ProjectSerializer.Load(json);

using LabSpace.Dataflow;
using LabSpace.Documents;

var vi = StructuredExamples.IndexedAccumulator();
var loop = vi.Diagram.Nodes.Single(node => node.Kind == "for");
var graph = GraphCompiler.Compile(vi.Diagram);
var runtime = new DataflowRuntime();

using var cancellation = new CancellationTokenSource();
var frame = runtime.Run(graph, cancellation.Token, maximumNodes: 100_000);
Console.WriteLine(frame.GetOutput(loop.Id, "state").Number);                  // 15
Console.WriteLine(string.Join(", ", frame.GetOutput(loop.Id, "totals").Samples)); // 1, 3, 6, 10, 15

var formula = FormulaProgram.Compile("result = x * x + 1;", new());
Console.WriteLine(formula.Evaluate(_ => 3)["result"]);                        // 10

using LabSpace.Core;
using LabSpace.Documents;
using LabSpace.Editing;

var session = new InstrumentSession(new LabProject { Name = "Demo", Instruments = [Examples.Blank("Sum.vi")] });
var a = session.Add("control", 80, 80);          // also places a front-panel control
var b = session.Add("control", 80, 220);
var add = session.Add("add", 320, 130);
var result = session.Add("indicator", 570, 130);
session.Connect(a.Id, add.Id, "x");               // type-checked; rejects cycles/multiple drivers
session.Connect(b.Id, add.Id, "y");
session.Connect(add.Id, result.Id, "x");
session.SetValue(a.Id, 3); session.SetValue(b.Id, 7);

session.Run();                                    // continuous runs advance via session.Tick()
Console.WriteLine(session.OutputValue(result.Id)); // 10
session.Undo();

using LabSpace.Documents;
using LabSpace.Editing;
using LabSpace.Skia;
using SkiaSharp;

var session = new InstrumentSession(Examples.Create());
session.Run();                                   // Signal Analysis.vi

using var fonts = new LabFonts();                // or fonts.Load(stream) for a custom typeface
using var panel = new PanelRenderer(fonts);
using var surface = SKSurface.Create(new SKImageInfo(1200, 700));
panel.Draw(surface.Canvas, session, new SKRect(0, 0, 1200, 700));

using var image = surface.Snapshot();
using var png = image.Encode(SKEncodedImageFormat.Png, 100);
File.WriteAllBytes("front-panel.png", png.ToArray());

using LabSpace.Controls;
using LabSpace.Documents;
using LabSpace.Editing;
using LabSpace.Skia;

var fonts = new LabFonts();
var session = new InstrumentSession(Examples.Create());
var diagram = new DiagramSurface(session, fonts);
var palette = new FunctionPalette();
palette.AddRequested += (kind, widget) => diagram.ArmPlacement(kind);   // click to place

var layout = new Grid();
layout.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(260) });
layout.ColumnDefinitions.Add(new ColumnDefinition());
layout.Children.Add(palette);
Grid.SetColumn(diagram, 1); layout.Children.Add(diagram);
window.Content = layout;                          // your Uno Window
diagram.Loaded += (_, _) => diagram.Fit();

using LabSpace.Documents;
using LabSpace.Editing;
using LabSpace.Skia;
using LabSpace.Storage;
using LabSpace.Workbench;

protected override void OnLaunched(LaunchActivatedEventArgs args)
{
    var window = new Window { Title = "LabSpace" };
    var fonts = new LabFonts();
    IProjectStorage storage = new MemoryProjectStorage();   // or your platform implementation
    var workbench = new InstrumentWorkbench(new InstrumentSession(Examples.Create()), storage, fonts);
    workbench.SetView(StudioView.Split);
    window.Content = workbench;
    window.Closed += (_, _) => { workbench.Dispose(); fonts.Dispose(); };
    window.Activate();
}