private void distortImage(IImageProcessingContext pc, string foreColor)
{
var degrees = _randomNumberProvider.NextNumber(1, 6);
pc.Skew(degrees, degrees);
pc.Vignette(Color.ParseHex(foreColor));
}
/// <summary>
/// Applies a radial vignette effect to an image.
/// </summary>
/// <param name="source">The image this method extends.</param>
/// <param name="color">The color to set as the vignette.</param>
/// <param name="radiusX">The the x-radius.</param>
/// <param name="radiusY">The the y-radius.</param>
/// <param name="rectangle">
/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
/// </param>
/// <returns>The <see cref="IImageProcessingContext"/> to allow chaining of operations.</returns>
public static IImageProcessingContext Vignette(
this IImageProcessingContext source,
Color color,
float radiusX,
float radiusY,
Rectangle rectangle) =>
source.Vignette(new GraphicsOptions(), color, radiusX, radiusY, rectangle);
protected override void Apply(IImageProcessingContext ctx, Rectangle rect) => ctx.Vignette(rect);
protected override void Apply(IImageProcessingContext ctx, float radiusX, float radiusY) => ctx.Vignette(radiusX, radiusY);
protected override void Apply(IImageProcessingContext ctx, Color color) => ctx.Vignette(color);
/// <summary>
/// Applies a radial vignette effect to an image.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="color">The color to set as the vignette.</param>
/// <param name="radiusX">The the x-radius.</param>
/// <param name="radiusY">The the y-radius.</param>
/// <param name="rectangle">
/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
/// </param>
/// <returns>The <see cref="Image{TPixel}"/>.</returns>
public static IImageProcessingContext <TPixel> Vignette <TPixel>(this IImageProcessingContext <TPixel> source, TPixel color, float radiusX, float radiusY, Rectangle rectangle)
where TPixel : struct, IPixel <TPixel>
=> source.Vignette(color, radiusX, radiusY, rectangle, GraphicsOptions.Default);
protected override void Apply <T>(IImageProcessingContext <T> ctx, T color) => ctx.Vignette(color);