public override bool Start(IMouseInformation mouseInformation)
{
if (!Enabled)
{
return(false);
}
base.Start(mouseInformation);
if (_graphicBuilder != null)
{
return(_graphicBuilder.Start(mouseInformation));
}
IDicomPresentationImage image = mouseInformation.Tile.PresentationImage as IDicomPresentationImage;
if (image == null || GetGeometricShuttersGraphic(image, true) == null)
{
return(false);
}
AddDrawShutterGraphic(image);
if (_graphicBuilder.Start(mouseInformation))
{
_primitiveGraphic.Draw();
return(true);
}
this.Cancel();
return(false);
}
public override bool Start(IMouseInformation mouseInformation)
{
base.Start(mouseInformation);
if (_graphicBuilder != null)
{
return(_graphicBuilder.Start(mouseInformation));
}
if (!CanStart(mouseInformation.Tile.PresentationImage))
{
return(false);
}
RoiGraphic roiGraphic = CreateRoiGraphic();
_graphicBuilder = CreateGraphicBuilder(roiGraphic.Subject);
_graphicBuilder.GraphicComplete += OnGraphicBuilderComplete;
_graphicBuilder.GraphicCancelled += OnGraphicBuilderCancelled;
AddRoiGraphic(mouseInformation.Tile.PresentationImage,
roiGraphic,
(IOverlayGraphicsProvider)mouseInformation.Tile.PresentationImage);
roiGraphic.Suspend();
try
{
if (_graphicBuilder.Start(mouseInformation))
{
return(true);
}
}
finally
{
roiGraphic.Resume(true);
}
this.Cancel();
return(false);
}