/// <summary>
/// Adds a new focal point to the image.
/// </summary>
/// <param name="subImageIndex">The sub image index.</param>
/// <param name="focalPointId">The focal point Id.</param>
/// <param name="focalPoint">The focal point rect.</param>
/// <returns>A focal point.</returns>
public FocalPoint CreateFocalPoint(int subImageIndex, int focalPointId, Rect focalPoint)
{
if (subImageIndex < this.SubImages.Count)
{
Point logicalBoxStartPoint = this.multiScaleImage.ElementToLogicalPoint(new Point(focalPoint.X, focalPoint.Y));
Point logicalBoxEndPoint = this.multiScaleImage.ElementToLogicalPoint(new Point(focalPoint.X + focalPoint.Width, focalPoint.Y + focalPoint.Height));
Rect imageRect = GetLogicalSubImageRect(this.multiScaleImage.SubImages[subImageIndex]);
Point startPoint = new Point(
(logicalBoxStartPoint.X - imageRect.X) / imageRect.Width,
(logicalBoxStartPoint.Y - imageRect.Y) / imageRect.Height);
Point endPoint = new Point(
((logicalBoxEndPoint.X - imageRect.X) / imageRect.Width) - startPoint.X,
((logicalBoxEndPoint.Y - imageRect.Y) / imageRect.Height) - startPoint.Y);
FocalPoint focalPointData = new FocalPoint()
{
Id = focalPointId,
Area = new Rect(startPoint.X, startPoint.Y, endPoint.X, endPoint.Y),
SubImageIndex = subImageIndex
};
return(focalPointData);
}
return(null);
}
/// <summary>
/// Displays a focal point.
/// </summary>
/// <param name="focalPoint">The focal point to display.</param>
public void DisplayFocalPoint(FocalPoint focalPoint)
{
if (focalPoint != null)
{
this.DisplayFocalPoint(this.multiScaleImage.SubImages[focalPoint.SubImageIndex], focalPoint);
}
}
/// <summary>
/// Gets the element position for a focal point.
/// </summary>
/// <param name="focalPoint">The focal point.</param>
/// <returns>An rect with the element position.</returns>
public Rect GetFocalPointElementPosition(FocalPoint focalPoint)
{
Rect imageRect = GetLogicalSubImageRect(this.multiScaleImage.SubImages[focalPoint.SubImageIndex]);
Rect logicalFocalPointRect = new Rect(
imageRect.X + (focalPoint.Area.X * imageRect.Width),
imageRect.Y + (focalPoint.Area.Y * imageRect.Height),
focalPoint.Area.Width * imageRect.Width,
focalPoint.Area.Height * imageRect.Height);
Point topLeft = this.multiScaleImage.LogicalToElementPoint(new Point(logicalFocalPointRect.X, logicalFocalPointRect.Y));
Point bottomRight = this.multiScaleImage.LogicalToElementPoint(new Point(logicalFocalPointRect.X + logicalFocalPointRect.Width, logicalFocalPointRect.Y + logicalFocalPointRect.Height));
return(new Rect(
topLeft.X,
topLeft.Y,
bottomRight.X - topLeft.X,
bottomRight.Y - topLeft.Y));
}
/// <summary>
/// Displays a focal point.
/// </summary>
/// <param name="subImage">The source subimage.</param>
/// <param name="focalPoint">The focal point rect.</param>
private void DisplayFocalPoint(MultiScaleSubImage subImage, FocalPoint focalPoint)
{
if (focalPoint == null)
{
return;
}
Rect subImageLogicalRect = GetLogicalSubImageRect(subImage);
Rect focalPointDisplayRect = new Rect(
subImageLogicalRect.X + (subImageLogicalRect.Width * focalPoint.Area.X),
subImageLogicalRect.Y + (subImageLogicalRect.Height * focalPoint.Area.Y),
subImageLogicalRect.Width * focalPoint.Area.Width,
subImageLogicalRect.Height * focalPoint.Area.Height);
double width = focalPointDisplayRect.Width;
Point origin = new Point(focalPointDisplayRect.Left, focalPointDisplayRect.Top);
double focalPointAspectRatio = focalPointDisplayRect.Width / focalPointDisplayRect.Height;
double num2 = this.multiScaleImage.ActualWidth / this.multiScaleImage.ActualHeight;
if (num2 > focalPointAspectRatio)
{
width = (num2 / focalPointAspectRatio) * focalPointDisplayRect.Width;
origin.X += (focalPointDisplayRect.Width - width) / 2.0;
}
else
{
double num3 = (focalPointAspectRatio / num2) * focalPointDisplayRect.Height;
origin.Y += (focalPointDisplayRect.Height - num3) / 2.0;
}
this.CalculateAspectRation(1.3, ref width, ref origin);
focalPointDisplayRect.X = origin.X;
focalPointDisplayRect.Y = origin.Y;
focalPointDisplayRect.Width = width;
this.multiScaleImage.ViewportOrigin = new Point(focalPointDisplayRect.Left, focalPointDisplayRect.Top);
this.multiScaleImage.ViewportWidth = focalPointDisplayRect.Width;
this.zoomLevel = this.defaultWidth / focalPointDisplayRect.Width;
}
/// <summary>
/// Displays a focal point.
/// </summary>
/// <param name="subImage">The source subimage.</param>
/// <param name="focalPoint">The focal point rect.</param>
private void DisplayFocalPoint(MultiScaleSubImage subImage, FocalPoint focalPoint)
{
if (focalPoint == null)
{
return;
}
Rect subImageLogicalRect = GetLogicalSubImageRect(subImage);
Rect focalPointDisplayRect = new Rect(
subImageLogicalRect.X + (subImageLogicalRect.Width * focalPoint.Area.X),
subImageLogicalRect.Y + (subImageLogicalRect.Height * focalPoint.Area.Y),
subImageLogicalRect.Width * focalPoint.Area.Width,
subImageLogicalRect.Height * focalPoint.Area.Height);
double width = focalPointDisplayRect.Width;
Point origin = new Point(focalPointDisplayRect.Left, focalPointDisplayRect.Top);
double focalPointAspectRatio = focalPointDisplayRect.Width / focalPointDisplayRect.Height;
double num2 = this.multiScaleImage.ActualWidth / this.multiScaleImage.ActualHeight;
if (num2 > focalPointAspectRatio)
{
width = (num2 / focalPointAspectRatio) * focalPointDisplayRect.Width;
origin.X += (focalPointDisplayRect.Width - width) / 2.0;
}
else
{
double num3 = (focalPointAspectRatio / num2) * focalPointDisplayRect.Height;
origin.Y += (focalPointDisplayRect.Height - num3) / 2.0;
}
this.CalculateAspectRation(1.3, ref width, ref origin);
focalPointDisplayRect.X = origin.X;
focalPointDisplayRect.Y = origin.Y;
focalPointDisplayRect.Width = width;
this.multiScaleImage.ViewportOrigin = new Point(focalPointDisplayRect.Left, focalPointDisplayRect.Top);
this.multiScaleImage.ViewportWidth = focalPointDisplayRect.Width;
this.zoomLevel = this.defaultWidth / focalPointDisplayRect.Width;
}
/// <summary>
/// Gets the element position for a focal point.
/// </summary>
/// <param name="focalPoint">The focal point.</param>
/// <returns>An rect with the element position.</returns>
public Rect GetFocalPointElementPosition(FocalPoint focalPoint)
{
Rect imageRect = GetLogicalSubImageRect(this.multiScaleImage.SubImages[focalPoint.SubImageIndex]);
Rect logicalFocalPointRect = new Rect(
imageRect.X + (focalPoint.Area.X * imageRect.Width),
imageRect.Y + (focalPoint.Area.Y * imageRect.Height),
focalPoint.Area.Width * imageRect.Width,
focalPoint.Area.Height * imageRect.Height);
Point topLeft = this.multiScaleImage.LogicalToElementPoint(new Point(logicalFocalPointRect.X, logicalFocalPointRect.Y));
Point bottomRight = this.multiScaleImage.LogicalToElementPoint(new Point(logicalFocalPointRect.X + logicalFocalPointRect.Width, logicalFocalPointRect.Y + logicalFocalPointRect.Height));
return new Rect(
topLeft.X,
topLeft.Y,
bottomRight.X - topLeft.X,
bottomRight.Y - topLeft.Y);
}
/// <summary>
/// Displays a focal point.
/// </summary>
/// <param name="focalPoint">The focal point to display.</param>
public void DisplayFocalPoint(FocalPoint focalPoint)
{
if (focalPoint != null)
{
this.DisplayFocalPoint(this.multiScaleImage.SubImages[focalPoint.SubImageIndex], focalPoint);
}
}
/// <summary>
/// Adds a new focal point to the image.
/// </summary>
/// <param name="subImageIndex">The sub image index.</param>
/// <param name="focalPointId">The focal point Id.</param>
/// <param name="focalPoint">The focal point rect.</param>
/// <returns>A focal point.</returns>
public FocalPoint CreateFocalPoint(int subImageIndex, int focalPointId, Rect focalPoint)
{
if (subImageIndex < this.SubImages.Count)
{
Point logicalBoxStartPoint = this.multiScaleImage.ElementToLogicalPoint(new Point(focalPoint.X, focalPoint.Y));
Point logicalBoxEndPoint = this.multiScaleImage.ElementToLogicalPoint(new Point(focalPoint.X + focalPoint.Width, focalPoint.Y + focalPoint.Height));
Rect imageRect = GetLogicalSubImageRect(this.multiScaleImage.SubImages[subImageIndex]);
Point startPoint = new Point(
(logicalBoxStartPoint.X - imageRect.X) / imageRect.Width,
(logicalBoxStartPoint.Y - imageRect.Y) / imageRect.Height);
Point endPoint = new Point(
((logicalBoxEndPoint.X - imageRect.X) / imageRect.Width) - startPoint.X,
((logicalBoxEndPoint.Y - imageRect.Y) / imageRect.Height) - startPoint.Y);
FocalPoint focalPointData = new FocalPoint()
{
Id = focalPointId,
Area = new Rect(startPoint.X, startPoint.Y, endPoint.X, endPoint.Y),
SubImageIndex = subImageIndex
};
return focalPointData;
}
return null;
}