public void SaveImageToFile(string path)
{
string extension = Path.GetExtension(path).ToLower();
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dc = dv.RenderOpen())
{
if (extension == ".bmp" || extension == "jpg")
{
dc.DrawRectangle(Brushes.White, null, new Rect(0, 0, Math.Ceiling(Width + Location.X * 2), Math.Ceiling(Width + Location.Y * 2)));
}
ActiveChild.DrawEquation(dc);
}
RenderTargetBitmap bitmap = new RenderTargetBitmap((int)(Math.Ceiling(Width + Location.X * 2)), (int)(Math.Ceiling(Height + Location.Y * 2)), 96, 96, PixelFormats.Default);
bitmap.Render(dv);
BitmapEncoder encoder = null;
switch (extension)
{
case ".jpg":
encoder = new JpegBitmapEncoder();
break;
case ".gif":
encoder = new GifBitmapEncoder();
break;
case ".bmp":
encoder = new BmpBitmapEncoder();
break;
case ".png":
encoder = new PngBitmapEncoder();
break;
case ".wdp":
encoder = new WmpBitmapEncoder();
break;
case ".tif":
encoder = new TiffBitmapEncoder();
break;
}
try
{
encoder.Frames.Add(BitmapFrame.Create(bitmap));
using (Stream s = File.Create(path))
{
encoder.Save(s);
}
}
catch
{
MessageBox.Show("File could not be saved. Please make sure the path you entered is correct", "Error");
}
}
