52 lines
1.8 KiB
C#
52 lines
1.8 KiB
C#
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using Avalonia.Media.Imaging;
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using Avalonia.Platform;
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using SixLabors.ImageSharp.PixelFormats;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.Processing;
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using Avalonia.Media;
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using Avalonia.Controls;
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using CommunityToolkit.Mvvm.ComponentModel;
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namespace CollabVMClient.ViewModels
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{
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internal partial class CollabVMScreenViewModel : ViewModelBase
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{
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public WriteableBitmap Framebuffer { get; set; }
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[ObservableProperty] private string id;
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[ObservableProperty] private int width;
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[ObservableProperty] private int height;
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public string Title => $"CollabVM - Screen ({id})";
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public CollabVMScreenViewModel(string id)
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{
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this.Id = id;
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Framebuffer = new WriteableBitmap(new Avalonia.PixelSize(1, 1), new Avalonia.Vector(1, 1));
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}
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public void SetSize(int width, int height)
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{
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this.Width = width;
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this.Height = height;
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Framebuffer = new WriteableBitmap(new Avalonia.PixelSize(width, height), new Avalonia.Vector(96.0f, 96.0f), PixelFormat.Rgba8888);
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}
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public void LoadRect(byte[] rect, int width, int height, int x, int y)
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{
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// writing this method made me suicidal
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var l = Framebuffer.Lock();
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var byteswritten = 0;
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for (var i = 0; i < height; i++)
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{
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Marshal.Copy(rect, byteswritten, IntPtr.Add(l.Address, (int)(4 * ((y + i) * Framebuffer.Size.Width + x))), width * 4);
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byteswritten += width * 4;
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}
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l.Dispose();
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}
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}
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}
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