/// <summary>
/// this method should only be used if no translation and no zoom
/// </summary>
/// <returns></returns>
public List <TargetSelectionRegion> GetSelections()
{
var selections = new List <TargetSelectionRegion>();
foreach (var jayRectangle in _jayRectangles)
{
var selection = new TargetSelectionRegion();
var startY = Canvas.GetTop(jayRectangle.Rectangle);
var startX = Canvas.GetLeft(jayRectangle.Rectangle);
//If selection is out of the image bound, we move it so it will fit in the image boundaries
var offsetY = startY < 0 ? Math.Abs(startY) : 0; // if selection is before image
var offsetX = startX < 0 ? Math.Abs(startX) : 0; // if selection is before image
selection.StartPixel = new SelectionPoint((int)(startX + offsetX), (int)(startY + offsetY));
var rectWidth = ((Rectangle)jayRectangle.Rectangle).ActualWidth;
var rectHeight = ((Rectangle)jayRectangle.Rectangle).ActualHeight;
var endX = Math.Round(rectWidth + startX + offsetX);
var endY = Math.Round(rectHeight + startY + offsetY);
selection.EndPixel = new SelectionPoint((int)endX, (int)endY);
selections.Add(selection);
}
return(selections);
}
/// <summary>
/// Determines if the current selection is in the range of the current image slice
/// </summary>
/// <param name="i">The i.</param>
/// <param name="j">The j.</param>
/// <param name="selection">The selection.</param>
/// <returns>
/// <c>true</c> if the selection is in the slice; otherwise, <c>false</c>.
/// </returns>
private bool IsInRange(int i, int j, TargetSelectionRegion selection)
{
var sx = selection.StartPixel.X;
var sy = selection.StartPixel.Y;
var ex = selection.EndPixel.X;
var ey = selection.EndPixel.Y;
//settings
var m = Settings.Default.ResizeMultiple;
// https://stackoverflow.com/questions/13513932/algorithm-to-detect-overlapping-periods
// Checking if the ranges are overlapping
var inRange = i < ex && sx < i + m;
var heightinRangeToo = j < ey && sy < j + m;
if (!heightinRangeToo)
{
inRange = false;
}
return(inRange);
}
