public void GuideMove(double x, double y)
{
double sx = _state.EnableSnap && _state.SnapX != 0 ? Snap(x, _state.SnapX) : x;
double sy = _state.EnableSnap && _state.SnapY != 0 ? Snap(y, _state.SnapY) : y;
_state.GuidePosition = new GuidePoint(sx, sy);
_measure.Point1 = new GuidePoint(sx, sy);
TryToSnapToGuideLine();
if (_state.HaveSnapPoint)
{
_state.GuidePosition = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
_measure.Point1 = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
}
_measure.Distance = GuideHelpers.Distance(_measure.Point0, _measure.Point1);
_measure.Angle = GuideHelpers.LineSegmentAngle(_measure.Point0, _measure.Point1);
_invalidate();
}
public void SpiroMove(double x, double y)
{
double sx = _state.EnableSnap && _state.SnapX != 0 ? Snap(x, _state.SnapX) : x;
double sy = _state.EnableSnap && _state.SnapY != 0 ? Snap(y, _state.SnapY) : y;
if (_state.EnableSnap)
{
_state.GuidePosition = new GuidePoint(sx, sy);
_measure.Point1 = new GuidePoint(x, y);
TryToSnapToGuideLine();
if (_state.HaveSnapPoint)
{
_state.GuidePosition = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
_measure.Point1 = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
sx = _state.SnapPoint.X;
sy = _state.SnapPoint.Y;
}
_measure.Point1 = new GuidePoint(sx, sy);
_measure.Distance = GuideHelpers.Distance(_measure.Point0, _measure.Point1);
_measure.Angle = GuideHelpers.LineSegmentAngle(_measure.Point0, _measure.Point1);
}
if (_state.Shape != null)
{
if (_state.Shape.Points.Count > 1)
{
SetPointPosition(_state.Shape, _state.Shape.Points.Count - 1, sx, sy);
RunSpiro(_state.Shape);
}
_invalidate();
}
else
{
if (_state.Mode == EditorMode.Create)
{
// Dehover shape and dehover point.
Deselect();
SpiroShape hitShape;
int hitShapePointIndex;
var result = HitTestForPoint(_drawing.Shapes, x, y, _state.HitTresholdSquared, out hitShape, out hitShapePointIndex);
if (result)
{
// Hover shape and point.
Select(hitShape, hitShapePointIndex);
}
else
{
if (HitTestForShape(_drawing.Shapes, x, y, _state.HitTreshold, out hitShape, out hitShapePointIndex))
{
// Hover shape and dehover point.
Select(hitShape);
}
}
}
else if (_state.Mode == EditorMode.Move)
{
// Calculate move offset.
double dx = sx - _startX;
double dy = sy - _startY;
// Update start position.
_startX = sx;
_startY = sy;
for (int i = 0; i < _state.HitListShapes.Count; i++)
{
var shape = _state.HitListShapes[i];
var index = _state.HitListPoints[i];
// Move selected shape.
if (index == -1)
{
// Move all shape points.
for (int j = 0; j < shape.Points.Count; j++)
{
SetPointPositionDelta(shape, j, dx, dy);
}
RunSpiro(shape);
}
// Move selected point.
if (index != -1)
{
SetPointPosition(shape, index, sx, sy);
RunSpiro(shape);
}
}
_invalidate();
}
else if (_state.Mode == EditorMode.Selected)
{
_invalidate();
}
}
}
public void SpiroLeftDown(double x, double y)
{
double sx = _state.EnableSnap && _state.SnapX != 0 ? Snap(x, _state.SnapX) : x;
double sy = _state.EnableSnap && _state.SnapY != 0 ? Snap(y, _state.SnapY) : y;
if (_state.EnableSnap)
{
_state.GuidePosition = new GuidePoint(sx, sy);
if (_state.Shape == null)
{
_measure.Point0 = new GuidePoint(x, y);
}
_measure.Point1 = new GuidePoint(x, y);
TryToSnapToGuideLine();
if (_state.HaveSnapPoint)
{
_state.GuidePosition = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
_measure.Point1 = new GuidePoint(_state.SnapPoint.X, _state.SnapPoint.Y);
sx = _state.SnapPoint.X;
sy = _state.SnapPoint.Y;
}
if (_state.Shape == null)
{
_measure.Point0 = new GuidePoint(sx, sy);
}
_measure.Point1 = new GuidePoint(sx, sy);
_measure.Distance = GuideHelpers.Distance(_measure.Point0, _measure.Point1);
_measure.Angle = GuideHelpers.LineSegmentAngle(_measure.Point0, _measure.Point1);
}
_startX = sx;
_startY = sy;
if (_state.Shape == null)
{
SpiroShape hitShape;
int hitShapePointIndex;
// Hit test for point.
var result = HitTestForPoint(_drawing.Shapes, x, y, _state.HitTresholdSquared, out hitShape, out hitShapePointIndex);
if (result)
{
Deselect();
Select(hitShape, hitShapePointIndex);
// Begin point move.
_state.Mode = EditorMode.Move;
return;
}
else
{
// Hit test for shape and nearest point.
if (HitTestForShape(_drawing.Shapes, x, y, _state.HitTreshold, out hitShape, out hitShapePointIndex))
{
Select(hitShape);
// Begin point move.
_state.Mode = EditorMode.Move;
return;
}
if (_state.HitListShapes.Count > 0)
{
Deselect();
return;
}
}
}
if (_state.Mode == EditorMode.Create)
{
Create(sx, sy);
}
}