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)
{
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;
}
}
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();
}
}
