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

namespace ImageSharp.Tests.Processing.Overlays
{
    using ImageSharp.PixelFormats;

    using Xunit;

    public class GlowTest : FileTestBase
    {
        [Theory]
        [WithFileCollection(nameof(DefaultFiles), DefaultPixelType)]
        public void ImageShouldApplyGlowFilter<TPixel>(TestImageProvider<TPixel> provider)
            where TPixel : struct, IPixel<TPixel>
        {
            using (Image<TPixel> image = provider.GetImage())
            {
                image.Glow()
                    .DebugSave(provider, null, Extensions.Bmp);
            }
        }

        [Theory]
        [WithFileCollection(nameof(DefaultFiles), DefaultPixelType)]
        public void ImageShouldApplyGlowFilterColor<TPixel>(TestImageProvider<TPixel> provider)
            where TPixel : struct, IPixel<TPixel>
        {
            using (Image<TPixel> image = provider.GetImage())
            {
                image.Glow(NamedColors<TPixel>.Orange)
                    .DebugSave(provider, null, Extensions.Bmp);
            }
        }

        [Theory]
        [WithFileCollection(nameof(DefaultFiles), DefaultPixelType)]
        public void ImageShouldApplyGlowFilterRadius<TPixel>(TestImageProvider<TPixel> provider)
            where TPixel : struct, IPixel<TPixel>
        {
            using (Image<TPixel> image = provider.GetImage())
            {
                image.Glow(image.Width / 4F)
                    .DebugSave(provider, null, Extensions.Bmp);
            }
        }

        [Theory]
        [WithFileCollection(nameof(DefaultFiles), DefaultPixelType)]
        public void ImageShouldApplyGlowFilterInBox<TPixel>(TestImageProvider<TPixel> provider)
            where TPixel : struct, IPixel<TPixel>
        {
            using (Image<TPixel> source = provider.GetImage())
            using (var image = new Image<TPixel>(source))
            {
                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);

                image.Glow(bounds)
                    .DebugSave(provider, null, Extensions.Bmp);

                ImageComparer.EnsureProcessorChangesAreConstrained(source, image, bounds);
            }
        }
    }
}