bbiwarg-original/bbiwarg/Utility/ImageSize.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Drawing;
using System.Text;
using System.Threading.Tasks;

namespace bbiwarg.Utility
{
    public class ImageSize
    {
        public int Width {get; private set;}
        public int Height {get; private set;}
        public Vector2D MaxPixel {get; private set;}
        public float DiagonalLength { get { return MaxPixel.Length; } }
        public int NumPixels { get { return Width * Height; } }

        public ImageSize(int width, int height) {
            Width = width;
            Height = height;
            MaxPixel = new Vector2D(width - 1, height - 1);
        }

        public Vector2D getAbsolutePoint(Vector2D relativePoint) {
            return relativePoint.scale(MaxPixel);
        }

        public Vector2D getRelativePoint(Vector2D absolutePoint) {
            return new Vector2D(absolutePoint.X / Width, absolutePoint.Y / Height);
        }
    }
}