/// <summary>
/// Convert an IImage to a WPF BitmapSource. The result can be used in the Set Property of Image.ImageSource
/// </summary>
/// <param name="image">The Emgu CV Image</param>
/// <returns>The equivalent BitmapSource</returns>
public BitmapSource ToBitmapSource(IImage image)
{
ImageScale = 1000.0 / image.Bitmap.Width;
var size = new Size((int)Math.Ceiling(image.Bitmap.Width * ImageScale),
(int)Math.Ceiling(image.Bitmap.Height * ImageScale));
Image <Bgr, Byte> dst = new Image <Bgr, byte>(size);
CvInvoke.Resize(image, dst, size, ImageScale, ImageScale, Inter.Linear);
using (System.Drawing.Bitmap source = dst.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()
);
bs.Freeze();
DeleteObject(ptr); //release the HBitmap
return(bs);
}
}
public static void ShowInNamedWindow(Emgu.CV.IImage result, string debugWindowName)
{
if (!(debugWindowName.Equals("") || debugWindowName == null))
{
CvInvoke.cvNamedWindow(debugWindowName);
CvInvoke.cvShowImage(debugWindowName, result.Ptr);
}
}
private void 保存截图ToolStripMenuItem_Click(object sender, EventArgs e)
{
Emgu.CV.IImage frame = imageBox1.Image;
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "BMP文件|*.bmp|JPG文件|*.jpg|JPEG文件|*.jpeg|所有文件|*.*";
if (saveDialog.ShowDialog() == DialogResult.OK)
{
MessageBox.Show(saveDialog.FileName);
frame.Save(saveDialog.FileName);
}
}
