protected override PointD GetFactor(double x, double y, RectD originalNodeLayout, bool centered, HandlePositions position)
{
var xRatio = centered
? 2 * (x - OriginalBounds.CenterX) / OriginalBounds.Width
: (x - OriginalBounds.X) / OriginalBounds.Width;
var yRatio = centered
? 2 * (y - OriginalBounds.CenterY) / OriginalBounds.Height
: (y - OriginalBounds.Y) / OriginalBounds.Height;
double fx = 0;
if (position.IsAnyWest())
{
fx = centered ? -xRatio : 1 - xRatio;
}
else if (position.IsAnyEast())
{
fx = xRatio;
}
double fy = 0;
if (position.IsAnyNorth())
{
fy = centered ? -yRatio : 1 - yRatio;
}
else if (position.IsAnySouth())
{
fy = yRatio;
}
return(new PointD(fx, fy));
}
protected override PointD GetFactor(double x, double y, RectD originalNodeLayout, bool centered, HandlePositions position)
{
double fx = 0;
if ((position & HandlePositions.Vertical) == 0)
{
var boundsWidth = (OriginalBounds.Width - originalNodeLayout.Width);
if (boundsWidth <= 0)
{
fx = centered ? 0 : 0.5;
}
else
{
var xRatio = centered
? 2 * (originalNodeLayout.CenterX - OriginalBounds.CenterX) / boundsWidth
: (originalNodeLayout.MinX - OriginalBounds.X) / boundsWidth;
if (position.IsAnyWest())
{
fx = centered ? -xRatio : 1 - xRatio;
}
else if (position.IsAnyEast())
{
fx = xRatio;
}
}
}
double fy = 0;
if ((position & HandlePositions.Horizontal) == 0)
{
var boundsHeight = (OriginalBounds.Height - originalNodeLayout.Height);
if (boundsHeight <= 0)
{
fy = centered ? 0 : 0.5;
}
else
{
var yRatio = centered
? 2 * (originalNodeLayout.CenterY - OriginalBounds.CenterY) / boundsHeight
: (originalNodeLayout.MinY - OriginalBounds.Y) / boundsHeight;
if (position.IsAnyNorth())
{
fy = centered ? -yRatio : 1 - yRatio;
}
else if (position.IsAnySouth())
{
fy = yRatio;
}
}
}
return(new PointD(fx, fy));
}
