public void Contrast_amount_rect_ContrastProcessorDefaultsSet()
{
this.operations.Contrast(1.5F, this.rect);
ContrastProcessor processor = this.Verify <ContrastProcessor>(this.rect);
Assert.Equal(1.5F, processor.Amount);
}
public void Contrast_amount_ContrastProcessorDefaultsSet()
{
this.operations.Contrast(1.5F);
ContrastProcessor <Rgba32> processor = this.Verify <ContrastProcessor <Rgba32> >();
Assert.Equal(1.5F, processor.Amount);
}
/// <summary>
/// Alters the contrast component of the image.
/// </summary>
/// <typeparam name="T">The pixel format.</typeparam>
/// <typeparam name="TP">The packed format. <example>long, float.</example></typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="amount">The new contrast of the image. Must be between -100 and 100.</param>
/// <param name="rectangle">
/// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
/// </param>
/// <param name="progressHandler">A delegate which is called as progress is made processing the image.</param>
/// <returns>The <see cref="Image{T,TP}"/>.</returns>
public static Image <T, TP> Contrast <T, TP>(this Image <T, TP> source, int amount, Rectangle rectangle, ProgressEventHandler progressHandler = null)
where T : IPackedVector <TP>
where TP : struct
{
ContrastProcessor <T, TP> processor = new ContrastProcessor <T, TP>(amount);
processor.OnProgress += progressHandler;
try
{
return(source.Process(rectangle, processor));
}
finally
{
processor.OnProgress -= progressHandler;
}
}
