protected RoiGraphic CreateRoiGraphic(bool initiallySelected)
{
//When you create a graphic from within a tool (particularly one that needs capture, like a multi-click graphic),
//see it through to the end of creation. It's just cleaner, not to mention that if this tool knows how to create it,
//it should also know how to (and be responsible for) cancelling it and/or deleting it appropriately.
IGraphic graphic = CreateGraphic();
IAnnotationCalloutLocationStrategy strategy = CreateCalloutLocationStrategy();
RoiGraphic roiGraphic;
if (strategy == null)
{
roiGraphic = new RoiGraphic(graphic);
}
else
{
roiGraphic = new RoiGraphic(graphic, strategy);
}
if (Settings.Default.AutoNameMeasurements && !string.IsNullOrEmpty(this.RoiNameFormat))
{
roiGraphic.Name = string.Format(this.RoiNameFormat, ++_serialNumber);
}
else
{
roiGraphic.Name = string.Empty;
}
roiGraphic.State = initiallySelected ? roiGraphic.CreateSelectedState() : roiGraphic.CreateInactiveState();
return(roiGraphic);
}
/// <summary>
/// Releases all resources used by this <see cref="AnnotationGraphic"/>.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (_calloutLocationStrategy != null)
{
_calloutLocationStrategy.Dispose();
_calloutLocationStrategy = null;
}
Subject.VisualStateChanged -= OnSubjectVisualStateChanged;
}
base.Dispose(disposing);
}
private void Initialize(IAnnotationCalloutLocationStrategy calloutLocationStrategy)
{
if (_calloutGraphic == null)
{
_calloutGraphic = this.CreateCalloutGraphic();
base.Graphics.Add(_calloutGraphic);
}
_calloutGraphic.TextLocationChanged += OnCalloutLocationChanged;
if (_calloutLocationStrategy == null)
{
_calloutLocationStrategy = calloutLocationStrategy ?? new AnnotationCalloutLocationStrategy();
}
_calloutLocationStrategy.SetAnnotationGraphic(this);
this.Subject.VisualStateChanged += OnSubjectVisualStateChanged;
}
/// <summary>
/// Constructs a new instance of <see cref="RoiGraphic"/>.
/// </summary>
/// <param name="roi">The graphic or control chain graphic representing the region of interest.</param>
/// <param name="calloutLocationStrategy">An <see cref="IAnnotationCalloutLocationStrategy"/> to automatically place the callout.</param>
public RoiGraphic(IGraphic roi, IAnnotationCalloutLocationStrategy calloutLocationStrategy)
: base(roi, calloutLocationStrategy)
{
Initialize();
}
public AimRoiGraphic(IGraphic roi, IAnnotationCalloutLocationStrategy strategy) : base(roi, strategy)
{
}
public AimRoiGraphic(IGraphic roi, IAnnotationCalloutLocationStrategy strategy)
: base(roi, strategy)
{
}
/// <summary>
/// Initializes a new instance of <see cref="AnnotationGraphic"/> with the given <see cref="IAnnotationCalloutLocationStrategy"/>.
/// </summary>
public AnnotationGraphic(IGraphic subjectGraphic, IAnnotationCalloutLocationStrategy calloutLocationStrategy)
: base(subjectGraphic)
{
Initialize(calloutLocationStrategy);
}
/// <summary>
/// Constructs a new instance of <see cref="RoiGraphic"/>.
/// </summary>
/// <param name="roi">The graphic or control chain graphic representing the region of interest.</param>
/// <param name="calloutLocationStrategy">An <see cref="IAnnotationCalloutLocationStrategy"/> to automatically place the callout.</param>
public RoiGraphic(IGraphic roi, IAnnotationCalloutLocationStrategy calloutLocationStrategy)
: base(roi, calloutLocationStrategy)
{
Initialize();
}
/// <summary>
/// Initializes a new instance of <see cref="AnnotationGraphic"/> with the given <see cref="IAnnotationCalloutLocationStrategy"/>.
/// </summary>
public AnnotationGraphic(IGraphic subjectGraphic, IAnnotationCalloutLocationStrategy calloutLocationStrategy)
: base(subjectGraphic)
{
Initialize(calloutLocationStrategy);
}
/// <summary>
/// Releases all resources used by this <see cref="AnnotationGraphic"/>.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (_calloutLocationStrategy != null)
{
_calloutLocationStrategy.Dispose();
_calloutLocationStrategy = null;
}
Subject.VisualStateChanged -= OnSubjectVisualStateChanged;
}
base.Dispose(disposing);
}
private void Initialize(IAnnotationCalloutLocationStrategy calloutLocationStrategy)
{
if (_calloutGraphic == null)
{
_calloutGraphic = this.CreateCalloutGraphic();
base.Graphics.Add(_calloutGraphic);
}
_calloutGraphic.TextLocationChanged += OnCalloutLocationChanged;
if (_calloutLocationStrategy == null)
_calloutLocationStrategy = calloutLocationStrategy ?? new AnnotationCalloutLocationStrategy();
_calloutLocationStrategy.SetAnnotationGraphic(this);
this.Subject.VisualStateChanged += OnSubjectVisualStateChanged;
}
private static RoiGraphic CreateRoiGraphic(IGraphic interactiveGraphic, IAnnotationCalloutLocationStrategy strategy)
{
RoiGraphic roiGraphic = strategy == null ? new AimRoiGraphic(interactiveGraphic) : new AimRoiGraphic(interactiveGraphic, strategy);
roiGraphic.Name = "ROI";
roiGraphic.State = roiGraphic.CreateInactiveState();
return roiGraphic;
}
// Helper method
private static RoiGraphic CreateRoiGraphic(IGraphic interactiveGraphic, IAnnotationCalloutLocationStrategy strategy)
{
RoiGraphic roiGraphic;
if (strategy == null)
roiGraphic = new RoiGraphic(interactiveGraphic);
else
roiGraphic = new RoiGraphic(interactiveGraphic, strategy);
roiGraphic.Name = "ROI"; // string.Empty;
roiGraphic.State = roiGraphic.CreateInactiveState();
return roiGraphic;
}
