PointApplyResult _applyCurrentPoint(Point p, ShapeUtils.RectSide side)
{
var res = PointApplyResult.None;
double dx = p.X - CurrentPoint.X;
double dy = p.Y - CurrentPoint.Y;
if (activeMarker == null)
{
HandleMove(dx, dy);
if (dx != 0.0 || dy != 0.0)
res = PointApplyResult.Move;
}
else
{
HandleResize(dx, dy, side);
if (dx != 0.0 || dy != 0.0)
res = PointApplyResult.Resize;
}
SetBounds();
CurrentPoint.X = p.X;
CurrentPoint.Y = p.Y;
return res;
}
private void HandleResize(double deltaX, double deltaY, ShapeUtils.RectSide side)
{
Rect bounds = GetShapeBounds();
Rect boundsBefore = bounds;
try
{
switch (side)
{
case ShapeUtils.RectSide.TopLeft:
bounds.X += deltaX;
bounds.Y += deltaY;
bounds.Width -= deltaX;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.TopRight:
bounds.Width += deltaX;
bounds.Y += deltaY;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.BottomLeft:
bounds.X += deltaX;
bounds.Width -= deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.BottomRight:
bounds.Width += deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.TwoSided:
break;
}
}
catch (Exception)
{
}
if (bounds.Width > MIN_SIZE && bounds.Height > MIN_SIZE)
{
var manipOrg = _textEnterUC.RenderTransform.Transform(
new Point(0,0)
);
double xScale = bounds.Width/boundsBefore.Width;
double yScale = bounds.Height/boundsBefore.Height;
double scaleCoeff = Math.Max(xScale, yScale);
var scale = new Vector(yScale,
yScale);
var translate = new Vector(bounds.X - boundsBefore.X,
bounds.Y - boundsBefore.Y);
ShapeUtils.ApplyTransform(_textEnterUC,
new Vector(manipOrg.X, manipOrg.Y),
translate,
0,
scale);
SetBounds();
}
}
//given list of badges which comprise cluster, we build convex hull and then smooth border
public void PlayBuildSmoothCurve()
{
var BadgesCorners = ShapeUtils.buildBadgeCorners(_endpoint.GetClusterables());
if (BadgesCorners.Count <= 2)
{
//rebuilding cluster after unclustering last badge.
//the cluster will soon be removed (by server event)
return;
}
convexHull.Points = ConvexHull.FindConvexPolygon(BadgesCorners);
var convexPoints = convexHull.Points;
_topLeft = new Point(convexPoints.Min(pt => pt.X), convexPoints.Min(pt => pt.Y));
//build bezier curve
var pathFigure = new PathFigure();
Point[] firstControlPoints = null;
Point[] secondControlPoints = null;
ovp.BezierSpline.GetCurveControlPoints(convexPoints.ToArray(),
out firstControlPoints,
out secondControlPoints);
pathFigure.StartPoint = convexPoints.ElementAt(0);
for (int i = 0; i < convexPoints.Count - 1; i++)
{
pathFigure.Segments.Add(new BezierSegment(firstControlPoints[i],
secondControlPoints[i],
convexPoints.ElementAt(i + 1), true));
}
//closing segment
if (convexPoints.Count == 3)
{
Point[] firstLast = new Point[] { convexPoints[2], convexPoints[0], convexPoints[1] };
ovp.BezierSpline.GetCurveControlPoints(firstLast, out firstControlPoints, out secondControlPoints);
pathFigure.Segments.Add(new BezierSegment(firstControlPoints.First(),
secondControlPoints.First(),
convexPoints.First(), true));
}
else
{
Point[] firstLast = new Point[] { convexPoints[convexPoints.Count - 2],
convexPoints[convexPoints.Count - 1],
convexPoints[0], convexPoints[1] };
ovp.BezierSpline.GetCurveControlPoints(firstLast, out firstControlPoints, out secondControlPoints);
pathFigure.Segments.Add(new BezierSegment(firstControlPoints[1],
secondControlPoints[1],
convexPoints[0], true));
}
var pathGeom = new PathGeometry();
pathGeom.Figures.Add(pathFigure);
bezierBorder.Data = pathGeom;
_offset = new Point(0, 0);
if (_endpoint.GetClusterables().Count() > 0)
{
clusterCreated = true;
if (cleanerTimer != null)
{
cleanerTimer.Stop();
cleanerTimer = null;
}
}
SetBounds();
}
void SetMarkers()
{
ShapeUtils.SetLinkEnd(selMarker1, line.X1, line.Y1);
ShapeUtils.SetLinkEnd(selMarker2, line.X2, line.Y2);
}
private void HandleResize(double deltaX, double deltaY, ShapeUtils.RectSide side)
{
var bounds = _bounds;
try
{
switch (side)
{
case ShapeUtils.RectSide.TopLeft:
bounds.X += deltaX;
bounds.Y += deltaY;
bounds.Width -= deltaX;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.TopRight:
bounds.Width += deltaX;
bounds.Y += deltaY;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.BottomLeft:
bounds.X += deltaX;
bounds.Width -= deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.BottomRight:
bounds.Width += deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.TwoSided:
double cx = (bounds.Left + bounds.Right)/2;
double cy = (bounds.Top + bounds.Bottom)/2;
bounds.Width += deltaX/2;
bounds.Height += deltaY/2;
bounds.X = cx - bounds.Width/2;
bounds.Y = cy - bounds.Height/2;
break;
}
}
catch (Exception)
{
}
if (bounds.Width > MIN_SIZE && bounds.Height > MIN_SIZE)
_bounds = bounds;
}
public void ScaleInPlace(bool plus)
{
var s = ShapeUtils.scaleFactor(plus);
HandleScale(s);
}