C# 利用AForge.NET开源类库实现 图像素描效果
标签：thread ret ppa idt action cti temp main control
引入DLL：
using AForge.Imaging;
using AForge.Imaging.Filters;
//using AForge.Video.DirectShow;可以使用摄像头图像
代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using AForge.Imaging;
using AForge.Imaging.Filters;
using AForge.Video.DirectShow;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GrayImage
{
///
/// Interaction logic for MainWindow.xaml
///
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
Loaded += MainWindow_Loaded;
}
void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
}
private Bitmap image = null;
private void Button_Click(object sender, RoutedEventArgs e)
{
GrayPhoto(20);
}
void GrayPhoto(int stepSize)
{
//素描效果制作
// image = (Bitmap)CurrentPhoto.SourceSource;
image = GetBitmap(CurrentPhoto.Source as BitmapSource);
if (image.PixelFormat != System.Drawing.Imaging.PixelFormat.Format24bppRgb)
{
Bitmap temp = AForge.Imaging.Image.Clone(image, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
image.Dispose();
image = temp;
}
//转换成灰度图像
Bitmap temBitmap = Grayscale.CommonAlgorithms.BT709.Apply(image);
Bitmap temBitmap2 = (Bitmap)temBitmap.Clone();
Bitmap temBitmap3 = (Bitmap)temBitmap.Clone();
// create filter
Invert filter = new Invert();
// apply the filter
filter.ApplyInPlace(temBitmap2);
// create filter 边缘提取
DifferenceEdgeDetector filterEdge = new DifferenceEdgeDetector();
// apply the filter
filterEdge.ApplyInPlace(temBitmap);
// create filter
MoveTowards filterMove = new MoveTowards(temBitmap2, stepSize);
// apply the filter
Bitmap resultImage = filterMove.Apply(temBitmap);
filter.ApplyInPlace(resultImage);
BitmapSource temSource = CreateBitmapSourceFromBitmap(resultImage);
CurrentPhoto.Source = temSource;
}
Bitmap GetBitmap(BitmapSource m)
{
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(m.PixelWidth, m.PixelHeight, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
System.Drawing.Imaging.BitmapData data = bmp.LockBits(
new System.Drawing.Rectangle(System.Drawing.Point.Empty, bmp.Size), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
m.CopyPixels(Int32Rect.Empty, data.Scan0, data.Height * data.Stride, data.Stride);
bmp.UnlockBits(data);
return bmp;
}
BitmapSource CreateBitmapSourceFromBitmap(Bitmap bitmap)
{
/*-------------------------------------------------------------------------
//Imaging.CreateBitmapSourceFromHBitmap方法，基于所提供的非托管位图和调色板信息的指针，
//返回一个托管的BitmapSource
---------------------------------------------------------------------------*/
IntPtr ip = bitmap.GetHbitmap();//从GDI+ Bitmap创建GDI位图对象
BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(ip, IntPtr.Zero, Int32Rect.Empty,
System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
return bitmapSource;
}
}
}
C# 利用AForge.NET开源类库实现 图像素描效果
标签：thread ret ppa idt action cti temp main control
原文地址：https://www.cnblogs.com/wgscd/p/11792100.html
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