WPF in CSharp
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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.
...
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;
}
}