protected override void OnPaint( PaintEventArgs e ) { if ( ( webView != null ) && webView.IsEnabled && webView.IsDirty ) rBuffer = webView.Render(); if ( rBuffer != null ) Utilities.DrawBuffer( rBuffer, e.Graphics, this.BackColor, ref frameBuffer ); else base.OnPaint( e ); }
public Stream ConvertToEncodedImageStream(RenderBuffer buffer, out ImageFormat imageFormat) { var bitmap = new WriteableBitmap(buffer.Width, buffer.Height, 96, 96, PixelFormats.Bgra32, BitmapPalettes.WebPaletteTransparent); buffer.CopyToBitmap(bitmap); imageFormat = _encoder.ImageFormat; var encoder = _encoder.GetEncoder(bitmap); var imageStream = new MemoryStream(); encoder.Save(imageStream); return imageStream; }