// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.

using SixLabors.ImageSharp.Drawing;
using SixLabors.ImageSharp.Drawing.Brushes;
using SixLabors.ImageSharp.Drawing.Pens;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.Primitives;

namespace SixLabors.ImageSharp
{
    /// <summary>
    /// Extension methods for the <see cref="Image{TPixel}"/> type.
    /// </summary>
    public static partial class ImageExtensions
    {
        /// <summary>
        /// Draws the outline of the polygon with the provided pen.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="pen">The pen.</param>
        /// <param name="shape">The shape.</param>
        /// <param name="options">The options.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, IPen<TPixel> pen, RectangleF shape, GraphicsOptions options)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(pen, new SixLabors.Shapes.RectangularePolygon(shape.X, shape.Y, shape.Width, shape.Height), options);
        }

        /// <summary>
        /// Draws the outline of the polygon with the provided pen.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="pen">The pen.</param>
        /// <param name="shape">The shape.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, IPen<TPixel> pen, RectangleF shape)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(pen, shape, GraphicsOptions.Default);
        }

        /// <summary>
        /// Draws the outline of the polygon with the provided brush at the provided thickness.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="brush">The brush.</param>
        /// <param name="thickness">The thickness.</param>
        /// <param name="shape">The shape.</param>
        /// <param name="options">The options.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, float thickness, RectangleF shape, GraphicsOptions options)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(new Pen<TPixel>(brush, thickness), shape, options);
        }

        /// <summary>
        /// Draws the outline of the polygon with the provided brush at the provided thickness.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="brush">The brush.</param>
        /// <param name="thickness">The thickness.</param>
        /// <param name="shape">The shape.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, IBrush<TPixel> brush, float thickness, RectangleF shape)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(new Pen<TPixel>(brush, thickness), shape);
        }

        /// <summary>
        /// Draws the outline of the polygon with the provided brush at the provided thickness.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="color">The color.</param>
        /// <param name="thickness">The thickness.</param>
        /// <param name="shape">The shape.</param>
        /// <param name="options">The options.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, float thickness, RectangleF shape, GraphicsOptions options)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(new SolidBrush<TPixel>(color), thickness, shape, options);
        }

        /// <summary>
        /// Draws the outline of the polygon with the provided brush at the provided thickness.
        /// </summary>
        /// <typeparam name="TPixel">The type of the color.</typeparam>
        /// <param name="source">The image this method extends.</param>
        /// <param name="color">The color.</param>
        /// <param name="thickness">The thickness.</param>
        /// <param name="shape">The shape.</param>
        /// <returns>The <see cref="Image{TPixel}"/>.</returns>
        public static IImageProcessingContext<TPixel> Draw<TPixel>(this IImageProcessingContext<TPixel> source, TPixel color, float thickness, RectangleF shape)
           where TPixel : struct, IPixel<TPixel>
        {
            return source.Draw(new SolidBrush<TPixel>(color), thickness, shape);
        }
    }
}