public void EntropyCropThresholdFloatEntropyCropProcessorWithThreshold(float threshold)
{
this.operations.EntropyCrop(threshold);
EntropyCropProcessor processor = this.Verify <EntropyCropProcessor>();
Assert.Equal(threshold, processor.Threshold);
}
/// <summary>
/// Crops an image to the area of greatest entropy.
/// </summary>
/// <typeparam name="TColor">The pixel format.</typeparam>
/// <param name="source">The image to crop.</param>
/// <param name="threshold">The threshold for entropic density.</param>
/// <returns>The <see cref="Image"/></returns>
public static Image <TColor> EntropyCrop <TColor>(this Image <TColor> source, float threshold = .5f)
where TColor : struct, IPackedPixel, IEquatable <TColor>
{
EntropyCropProcessor <TColor> processor = new EntropyCropProcessor <TColor>(threshold);
return(source.Apply(source.Bounds, processor));
}
/// <summary>
/// Crops an image to the area of greatest entropy.
/// </summary>
/// <typeparam name="TColor">The pixel format.</typeparam>
/// <typeparam name="TPacked">The packed format. <example>uint, long, float.</example></typeparam>
/// <param name="source">The image to crop.</param>
/// <param name="threshold">The threshold for entropic density.</param>
/// <returns>The <see cref="Image"/></returns>
public static Image <TColor, TPacked> EntropyCrop <TColor, TPacked>(this Image <TColor, TPacked> source, float threshold = .5f)
where TColor : struct, IPackedPixel <TPacked>
where TPacked : struct, IEquatable <TPacked>
{
EntropyCropProcessor <TColor, TPacked> processor = new EntropyCropProcessor <TColor, TPacked>(threshold);
return(source.Process(source.Bounds, processor));
}
/// <summary>
/// Crops an image to the area of greatest entropy.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="source">The image to crop.</param>
/// <param name="threshold">The threshold for entropic density.</param>
/// <returns>The <see cref="Image"/></returns>
public static Image <TPixel> EntropyCrop <TPixel>(this Image <TPixel> source, float threshold = .5f)
where TPixel : struct, IPixel <TPixel>
{
EntropyCropProcessor <TPixel> processor = new EntropyCropProcessor <TPixel>(threshold);
source.ApplyProcessor(processor, source.Bounds);
return(source);
}
/// <summary>
/// Crops an image to the area of greatest entropy.
/// </summary>
/// <typeparam name="TColor">The pixel format.</typeparam>
/// <typeparam name="TPacked">The packed format. <example>uint, long, float.</example></typeparam>
/// <param name="source">The image to crop.</param>
/// <param name="threshold">The threshold for entropic density.</param>
/// <returns>The <see cref="Image"/></returns>
public static Image <TColor, TPacked> EntropyCrop <TColor, TPacked>(this Image <TColor, TPacked> source, float threshold = .5f)
where TColor : struct, IPackedPixel <TPacked>
where TPacked : struct
{
EntropyCropProcessor <TColor, TPacked> processor = new EntropyCropProcessor <TColor, TPacked>(threshold);
return(source.Process(source.Width, source.Height, source.Bounds, Rectangle.Empty, processor));
}
/// <summary>
/// Crops an image to the area of greatest entropy.
/// </summary>
/// <typeparam name="T">The pixel format.</typeparam>
/// <typeparam name="TP">The packed format. <example>long, float.</example></typeparam>
/// <param name="source">The image to crop.</param>
/// <param name="threshold">The threshold for entropic density.</param>
/// <param name="progressHandler">A delegate which is called as progress is made processing the image.</param>
/// <returns>The <see cref="Image"/></returns>
public static Image <T, TP> EntropyCrop <T, TP>(this Image <T, TP> source, float threshold = .5f, ProgressEventHandler progressHandler = null)
where T : IPackedVector <TP>
where TP : struct
{
EntropyCropProcessor <T, TP> processor = new EntropyCropProcessor <T, TP>(threshold);
processor.OnProgress += progressHandler;
try
{
return(source.Process(source.Width, source.Height, source.Bounds, Rectangle.Empty, processor));
}
finally
{
processor.OnProgress -= progressHandler;
}
}
