WPF in CSharp
System Requirement
Component | Requirement | Detail |
---|---|---|
Emgu CV | Version 1.5 | |
Operation System | Windows Only | Mono do not implement WPF |
Source Code
Use the following ToBitmapSource function to convert an IImage (which could be any of Image<TColor, TDepth> class) to a WPF BitmapSource.
<source lang="csharp"> ... using Emgu.CV; using System.Runtime.InteropServices; ...
/// <summary> /// Delete a GDI object /// </summary> /// <param name="o">The poniter to the GDI object to be deleted</param> /// <returns></returns> [DllImport("gdi32")] private static extern int DeleteObject(IntPtr o);
/// <summary> /// Convert an IImage to a WPF BitmapSource. The result can be used in the Set Property of Image.Source /// </summary> /// <param name="image">The Emgu CV Image</param> /// <returns>The equivalent BitmapSource</returns> public static BitmapSource ToBitmapSource(IImage image) { using (System.Drawing.Bitmap source = image.Bitmap) { IntPtr ptr = source.GetHbitmap(); //obtain the Hbitmap BitmapSource bs = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap( ptr, IntPtr.Zero, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
DeleteObject(ptr); //release the HBitmap return bs; } }
</source>