/// <summary>
/// Renders DICOM image to <see cref="System.Windows.Media.ImageSource"/>
/// </summary>
/// <param name="frame">Zero indexed frame nu,ber</param>
/// <returns>Rendered image</returns>
public ImageSource RenderImageSource(int frame = 0)
{
if (frame != _currentFrame || _pixelData == null)
Load(Dataset, frame);
ImageGraphic graphic = new ImageGraphic(_pixelData);
foreach (var overlay in _overlays) {
// DICOM overlay origin begins at (1,1)
OverlayGraphic og = new OverlayGraphic(PixelDataFactory.Create(overlay), overlay.OriginX - 1, overlay.OriginY - 1, OverlayColor);
graphic.AddOverlay(og);
}
return graphic.RenderImageSource(_pipeline.LUT);
}
/// <summary>
/// Renders DICOM image to <see cref="System.Windows.Media.ImageSource"/>
/// </summary>
/// <param name="frame">Zero indexed frame nu,ber</param>
/// <returns>Rendered image</returns>
public ImageSource RenderImageSource(int frame = 0) {
if (frame != _currentFrame || _pixelData == null)
Load(Dataset, frame);
var graphic = new ImageGraphic(_pixelData);
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);
}
}
return graphic.RenderImageSource(_pipeline.LUT);
}
return graphic.RenderImageSource(_pipeline.LUT);
}
private void Load(DcmDataset dataset) {
Dataset = dataset;
if (Dataset.InternalTransferSyntax.IsEncapsulated)
Dataset.ChangeTransferSyntax(DicomTransferSyntax.ExplicitVRLittleEndian, null);
DcmPixelData pixelData = new DcmPixelData(Dataset);
_pixelData = PixelDataFactory.Create(pixelData, 0);
_pipeline = PipelineFactory.Create(Dataset, pixelData);
pixelData.Unload();
_overlays = DcmOverlayData.FromDataset(Dataset);
/// <summary>Renders DICOM image to System.Drawing.Image</summary>
/// <param name="frame">Zero indexed frame number</param>
/// <returns>Rendered image</returns>
public 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();
}
}
}
/// <summary>Renders DICOM image to System.Drawing.Image</summary>
/// <returns>Rendered image</returns>
public Image Render()
{
ImageGraphic graphic = new ImageGraphic(_pixelData);
return graphic.RenderImage(_pipeline.LUT);
}