/// <summary>Renders DICOM image to System.Drawing.Image</summary>
/// <param name="frame">Zero indexed frame number</param>
/// <returns>Rendered image</returns>
public virtual Image RenderImage(int frame = 0)
{
if (frame != CurrentFrame || _pixelData == null)
{
Load(Dataset, frame);
}
var graphic = new ImageGraphic(_pixelData);
try {
if (ShowOverlays)
{
foreach (var overlay in _overlays)
{
if ((frame + 1) < overlay.OriginFrame || (frame + 1) > (overlay.OriginFrame + overlay.NumberOfFrames - 1))
{
continue;
}
var og = new OverlayGraphic(PixelDataFactory.Create(overlay), overlay.OriginX - 1, overlay.OriginY - 1, OverlayColor);
graphic.AddOverlay(og);
og.Scale(this._scale);
}
}
var image = graphic.RenderImage(_pipeline.LUT);
return(new Bitmap(image));
} finally {
if (graphic != null)
{
graphic.Dispose();
}
}
}