/// <summary>Renders DICOM image to <see cref="IImage"/>.</summary>
/// <param name="frame">Zero indexed frame number</param>
/// <returns>Rendered image</returns>
public virtual IImage RenderImage(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);
og.Scale(this._scale);
}
}
return(graphic.RenderImage(this._pipeline.LUT));
}
public virtual bool RenderImage(System.IO.MemoryStream ms, out int w, out int h, bool bRotate90 = false)
{
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);
og.Scale(this._scale);
}
}
return(graphic.RenderImage(this._pipeline.LUT, ms, out w, out h, bRotate90));
}
/// <summary>Renders DICOM image to <see cref="IImage"/>.</summary>
/// <param name="frame">Zero indexed frame number.</param>
/// <returns>Rendered image</returns>
public virtual IImage RenderImage(int frame = 0)
{
IPixelData pixels;
lock (_lock)
{
var load = frame >= 0 && (frame != CurrentFrame || _rerender);
CurrentFrame = frame;
_rerender = false;
if (load)
{
var frameIndex = GetFrameIndex(frame);
pixels = PixelDataFactory.Create(_pixelData, frameIndex).Rescale(_scale);
_pixels = pixels;
}
else
{
pixels = _pixels;
}
}
if (ShowOverlays)
{
EstablishGraphicsOverlays();
}
IImage image;
var graphic = new ImageGraphic(pixels);
if (ShowOverlays)
{
foreach (var overlay in _overlays)
{
if (overlay.Data is EmptyBuffer)//fixed overlay.data is null, exception thrown
{
continue;
}
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(_scale);
}
}
image = graphic.RenderImage(_pipeline.LUT);
return(image);
}
/// <summary>Renders DICOM image to <see cref="IImage"/>.</summary>
/// <param name="frame">Zero indexed frame number.</param>
/// <returns>Rendered image</returns>
public virtual IImage RenderImage(int frame = 0)
{
bool load;
lock (_lock)
{
load = frame >= 0 && (frame != CurrentFrame || _rerender);
_currentFrame = frame;
_rerender = false;
}
var frameIndex = GetFrameIndex(frame);
if (load)
{
lock (_lock)
{
_pixels = PixelDataFactory.Create(_pixelData, frameIndex).Rescale(_scale);
}
}
if (ShowOverlays)
{
EstablishGraphicsOverlays();
}
IImage image;
lock (_lock)
{
var graphic = new ImageGraphic(_pixels);
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(_scale);
}
}
image = graphic.RenderImage(_pipeline.LUT);
}
return(image);
}
public ImageSource RenderImageSource() {
ImageGraphic graphic = new ImageGraphic(_pixelData);
foreach (var overlay in _overlays) {
OverlayGraphic og = new OverlayGraphic(PixelDataFactory.Create(overlay), overlay.OriginX, overlay.OriginY, OverlayColor);
graphic.AddOverlay(og);
}
return graphic.RenderImageSource(_pipeline.LUT);
}
/// <summary>Renders DICOM image to System.Drawing.Image</summary>
/// <returns>Rendered image</returns>
#if !SILVERLIGHT
public Image RenderImage(Double resize = 0)
{
ImageGraphic graphic = new ImageGraphic(_pixelData, resize);
foreach (var overlay in _overlays)
{
OverlayGraphic og = new OverlayGraphic(PixelDataFactory.Create(overlay), overlay.OriginX, overlay.OriginY, OverlayColor);
graphic.AddOverlay(og);
}
return(graphic.RenderImage(_pipeline.LUT));
}
/// <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);
}
ImageGraphic graphic = new ImageGraphic(_pixelData);
foreach (var overlay in _overlays)
{
OverlayGraphic og = new OverlayGraphic(PixelDataFactory.Create(overlay), overlay.OriginX, overlay.OriginY, OverlayColor);
graphic.AddOverlay(og);
}
return(graphic.RenderImage(_pipeline.LUT));
}
public virtual bool RenderImage(string saveToBmp, bool bRotate90 = false)
{
ImageGraphic graphic = null;
try
{
int frame = 0;
if (frame != CurrentFrame || _pixelData == null)
{
Load(Dataset, frame);
}
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);
og.Scale(this._scale);
}
}
//return graphic.RenderImage(this._pipeline.LUT, bRotate90, saveToBmp);
return(graphic.RenderFileImage(this._pipeline.LUT, saveToBmp));
}
finally
{
if (graphic != null)
{
graphic = null;
}
}
//RenderFileImage直接将像素数据输出到文件，无需内存中转以节约内存占用
}
/// <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();
}
}
}
