private void InvertSelectedLineStart(ISheet contentSheet, IBlock contentBlock, IBlock selectedBlock, SheetOptions options)
{
// add for horizontal or vertical line start ellipse and shorten line
if (_blockController.HaveSelected(selectedBlock) && selectedBlock.Lines != null && selectedBlock.Lines.Count > 0)
{
foreach (var line in selectedBlock.Lines)
{
double x1 = _blockHelper.GetX1(line);
double y1 = _blockHelper.GetY1(line);
double x2 = _blockHelper.GetX2(line);
double y2 = _blockHelper.GetY2(line);
bool sameX = Math.Round(x1, 1) == Math.Round(x2, 1);
bool sameY = Math.Round(y1, 1) == Math.Round(y2, 1);
// vertical line
if (sameX && !sameY)
{
// X1, Y1 is start position
if (y1 < y2)
{
AddInvertedLineEllipse(contentSheet, contentBlock, selectedBlock, options, x1 - invertedEllipseWidth / 2.0, y1, invertedEllipseWidth, invertedEllipseHeight);
_blockHelper.SetY1(line, y1 + invertedEllipseHeight);
}
// X2, Y2 is start position
else
{
AddInvertedLineEllipse(contentSheet, contentBlock, selectedBlock, options, x2 - invertedEllipseWidth / 2.0, y2, invertedEllipseWidth, invertedEllipseHeight);
_blockHelper.SetY2(line, y2 + invertedEllipseHeight);
}
}
// horizontal line
else if (!sameX && sameY)
{
// X1, Y1 is start position
if (x1 < x2)
{
AddInvertedLineEllipse(contentSheet, contentBlock, selectedBlock, options, x1, y1 - invertedEllipseHeight / 2.0, invertedEllipseWidth, invertedEllipseHeight);
_blockHelper.SetX1(line, x1 + invertedEllipseWidth);
}
// X2, Y2 is start position
else
{
AddInvertedLineEllipse(contentSheet, contentBlock, selectedBlock, options, x2, y2 - invertedEllipseHeight / 2.0, invertedEllipseWidth, invertedEllipseHeight);
_blockHelper.SetX2(line, x2 + invertedEllipseWidth);
}
}
}
}
}
public void Process(ISheet contentSheet, IBlock contentBlock, IBlock selectedBlock, SheetOptions options)
{
InvertSelectedLineStart(contentSheet, contentBlock, selectedBlock, options);
}
private void AddInvertedLineEllipse(ISheet contentSheet, IBlock contentBlock, IBlock selectedBlock, SheetOptions options, double x, double y, double width, double height)
{
// create ellipse
var ellipse = _blockFactory.CreateEllipse(options.LineThickness / options.Zoom, x, y, width, height, false, ItemColors.Black, ItemColors.Transparent);
contentBlock.Ellipses.Add(ellipse);
contentSheet.Add(ellipse);
}
public bool CanProcess(ISheet contentSheet, IBlock contentBlock, IBlock selectedBlock, SheetOptions options)
{
return(_blockController.HaveSelected(selectedBlock) && selectedBlock.Lines != null && selectedBlock.Lines.Count > 0);
}
