TilesheetRegionSlice.cs

using System.Drawing;
using Gondwana.Physics.Collisions;
using SkiaSharp;
 
namespace Gondwana.Drawing.Tilesheets;

internal readonly struct TilesheetRegionSlice
{
    public readonly SKBitmap Bitmap;

    public readonly SKImage Image;

    public readonly CollisionAdjust CollisionAdjust;

    public readonly Rectangle CollisionArea =>
        CollisionAdjust.ApplyTo(new Rectangle(0, 0, Bitmap.Width, Bitmap.Height));

    public TilesheetRegionSlice(
        SKBitmap bmp,
        SKImage img,
        CollisionAdjust collisionAdjust)
    {
        Bitmap = bmp;
        Image = img;
        CollisionAdjust = collisionAdjust;
    }

    public readonly TilesheetRegionSlice WithCollisionAdjust(CollisionAdjust collisionAdjust) =>
        new(Bitmap, Image, collisionAdjust);
}