mirror of https://github.com/SixLabors/ImageSharp
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.8 KiB
90 lines
2.8 KiB
// --------------------------------------------------------------------------------------------------------------------
|
|
// <copyright file="DetectEdges.cs" company="James South">
|
|
// Copyright (c) James South.
|
|
// Licensed under the Apache License, Version 2.0.
|
|
// </copyright>
|
|
// <summary>
|
|
// Produces an image with the detected edges highlighted.
|
|
// </summary>
|
|
// --------------------------------------------------------------------------------------------------------------------
|
|
|
|
namespace ImageProcessor.Processors
|
|
{
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Drawing;
|
|
|
|
using ImageProcessor.Common.Exceptions;
|
|
using ImageProcessor.Imaging.EdgeDetection;
|
|
|
|
/// <summary>
|
|
/// Produces an image with the detected edges highlighted.
|
|
/// </summary>
|
|
public class DetectEdges : IGraphicsProcessor
|
|
{
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="DetectEdges"/> class.
|
|
/// </summary>
|
|
public DetectEdges()
|
|
{
|
|
this.Settings = new Dictionary<string, string>();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets the dynamic parameter.
|
|
/// </summary>
|
|
public dynamic DynamicParameter
|
|
{
|
|
get;
|
|
set;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets or sets any additional settings required by the processor.
|
|
/// </summary>
|
|
public Dictionary<string, string> Settings
|
|
{
|
|
get;
|
|
set;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Processes the image.
|
|
/// </summary>
|
|
/// <param name="factory">
|
|
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class containing
|
|
/// the image to process.
|
|
/// </param>
|
|
/// <returns>
|
|
/// The processed image from the current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
|
|
/// </returns>
|
|
public Image ProcessImage(ImageFactory factory)
|
|
{
|
|
Bitmap newImage = null;
|
|
Image image = factory.Image;
|
|
Tuple<IEdgeFilter, bool> parameters = this.DynamicParameter;
|
|
IEdgeFilter filter = parameters.Item1;
|
|
bool greyscale = parameters.Item2;
|
|
|
|
//try
|
|
//{
|
|
ConvolutionFilter convolutionFilter = new ConvolutionFilter(filter, greyscale);
|
|
newImage = convolutionFilter.ProcessFilter((Bitmap)image);
|
|
|
|
image.Dispose();
|
|
image = newImage;
|
|
//}
|
|
//catch (Exception ex)
|
|
//{
|
|
// if (newImage != null)
|
|
// {
|
|
// newImage.Dispose();
|
|
// }
|
|
|
|
// throw new ImageProcessingException("Error processing image with " + this.GetType().Name, ex);
|
|
//}
|
|
|
|
return image;
|
|
}
|
|
}
|
|
}
|
|
|