ImageSharp/tests/ImageSharp.Benchmarks/Drawing/FillRectangle.cs

// <copyright file="Crop.cs" company="James Jackson-South">
// Copyright (c) James Jackson-South and contributors.
// Licensed under the Apache License, Version 2.0.
// </copyright>

namespace ImageSharp.Benchmarks
{
    using System.Drawing;
    using System.Drawing.Drawing2D;

    using BenchmarkDotNet.Attributes;
    using CoreImage = ImageSharp.Image;
    using CoreRectangle = ImageSharp.Rectangle;
    using CoreColor = ImageSharp.Color32;
    using CoreSize = ImageSharp.Size;

    using System.Numerics;

    public class FillRectangle : BenchmarkBase
    {
        [Benchmark(Baseline = true, Description = "System.Drawing Fill Rectangle")]
        public Size FillRectangleSystemDrawing()
        {
            using (Bitmap destination = new Bitmap(800, 800))
            {

                using (Graphics graphics = Graphics.FromImage(destination))
                {
                    graphics.InterpolationMode = InterpolationMode.Default;
                    graphics.SmoothingMode = SmoothingMode.AntiAlias;
                    graphics.FillRectangle(Brushes.HotPink, new Rectangle(10, 10, 190, 140));
                }
                return destination.Size;
            }
        }

        [Benchmark(Description = "ImageSharp Fill Rectangle")]
        public CoreSize FillRactangleCore()
        {
            using (CoreImage image = new CoreImage(800, 800))
            {
            	image.Fill(CoreColor.HotPink, new CoreRectangle(10, 10, 190, 140));

                return new CoreSize(image.Width, image.Height);
            }
        }

        [Benchmark(Description = "ImageSharp Fill Rectangle - As Polygon")]
        public CoreSize FillPolygonCore()
        {
            using (CoreImage image = new CoreImage(800, 800))
            {
                image.FillPolygon(
                    CoreColor.HotPink,
                    new[] {
		                new Vector2(10, 10),
		                new Vector2(200, 10),
		                new Vector2(200, 150),
		                new Vector2(10, 150) });

                return new CoreSize(image.Width, image.Height);
            }
        }
    }
}