Raylib-ImageSharp.cs

// See https://aka.ms/new-console-template for more information

using System.Numerics;
using AsepriteDotNet.IO;
using AsepriteDotNet.Processors;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using ZeroElectric.Vinculum;
using Image = ZeroElectric.Vinculum.Image;
using Vinculum_Color = ZeroElectric.Vinculum.Color;

unsafe {
    var file = AsepriteFileLoader.FromFile(
        "/home/gordon/git/dotnet/arcane-agronomist/RaylibSandbox/test-sprite.aseprite");
    var width = file.CanvasWidth;
    var height = file.CanvasHeight;

    var sp = SpriteProcessor.Process(file, frameIndex: 0, true);

    var image = new Image<Rgba32>(width, height);

    for (var y = 0; y < height; y++) {
        for (var x = 0; x < width; x++) {
            // Get pixel color
            var pixelColor = sp.Texture.Pixels[y * sp.Texture.Size.Width + x];

            // Convert to ARGB format and write to the bitmap
            image[x, y] = new Rgba32(pixelColor.R, pixelColor.G, pixelColor.B, pixelColor.A);
        }
    }

    var bmpStream = new MemoryStream();

    // Save the bitmap to the memory stream in BMP format
    image.SaveAsPng(bmpStream);

    // Reset the stream position to the beginning
    bmpStream.Seek(0, SeekOrigin.Begin);

    // Save to png file
    File.WriteAllBytes("test.png", bmpStream.GetBuffer());

    var bytes = bmpStream.GetBuffer();

    Image rImage;
    fixed (byte* ptr = bytes) {
        rImage = Raylib.LoadImageFromMemory(".png", ptr, bytes.Length);
    }

    // Raylib.SetTargetFPS(60);

    Raylib.InitWindow(800, 480, "Hello World");
    Raylib.SetWindowState(ConfigFlags.FLAG_WINDOW_RESIZABLE);
    var rTexture = Raylib.LoadTextureFromImage(rImage);

    while (!Raylib.WindowShouldClose()) {
        Console.WriteLine("Frame: " + Raylib.GetFrameTime());
        Console.WriteLine("FPS: " + Raylib.GetFPS());
        Raylib.BeginDrawing();
        Raylib.ClearBackground(new Vinculum_Color { a = 255, b = 100, g = 100, r = 0 });

        Raylib.DrawText("Hello, world!", 12, 12, 20, new Vinculum_Color { a = 255, b = 255, g = 255, r = 255 });
        Raylib.DrawTextureEx(rTexture, new Vector2(20, 20), 0, 2,
                             new Vinculum_Color { a = 255, b = 255, g = 255, r = 255 });

        Raylib.EndDrawing();
    }

    Raylib.CloseWindow();
}