private void DragCSplineRightDerivation(MouseEventArgs e)
{
var cursorPositionY = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, cursorPositionY);
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(cursorPositionY + H_DIV_2, _plotArea, _worldArea);
var xCursorPositionInWA = _selectedClampedSpline.Knots.Last() + SplineDrawer.DERIVATIVE_AUX_KNOT_DISTANCE;
_selectedClampedSpline.Derivations[_selectedClampedSpline.Derivations.Count - 1] = MathOperations.DirectionOfLinearFunction(_selectedClampedSpline.Knots.Last(), _selectedClampedSpline.ControlPoints.Last(), xCursorPositionInWA, yCursorPositionInWA);
var xCursorPosition = TransformCoordinates.WorldAreaToPlotAreaX(xCursorPositionInWA, _plotArea, _worldArea);
_dragInfoLabel.WriteAndSetCoordinates(_selectedClampedSpline.Derivations[_selectedClampedSpline.Derivations.Count - 1], xCursorPositionInWA, yCursorPositionInWA, xCursorPosition + AVOID_CURSOR_X, cursorPositionY + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshClampedSplineInCanvas(_selectedClampedSpline, canvas1, _engine);
}
private void DragGBSplineLeftDerivation(MouseEventArgs e)
{
var yCursorPosition = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, yCursorPosition);
var degree = _selectedGlobalBSpline.Degree;
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(yCursorPosition + H_DIV_2, _plotArea, _worldArea);
var xCursorPositionInWA = _selectedGlobalBSpline.Knots[degree] - SplineDrawer.DERIVATIVE_AUX_KNOT_DISTANCE;
var xCursorPosition = TransformCoordinates.WorldAreaToPlotAreaX(xCursorPositionInWA, _plotArea, _worldArea);
_selectedGlobalBSpline.LeftDerivation = MathOperations.DirectionOfLinearFunction(xCursorPositionInWA, yCursorPositionInWA, _selectedGlobalBSpline.Knots[degree], _selectedGlobalBSpline.FunctionValues[0]);
_dragInfoLabel.WriteAndSetCoordinates(_selectedGlobalBSpline.LeftDerivation, xCursorPositionInWA, yCursorPositionInWA, xCursorPosition + AVOID_CURSOR_X, yCursorPosition + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshGlobalBSplineInCanvas(_selectedGlobalBSpline, canvas1, _engine);
}
private void DragHSplineDerivation(MouseEventArgs e)
{
var yCursorPosition = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, yCursorPosition);
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(yCursorPosition, _plotArea, _worldArea);
var xCursorPositionInWA = _selectedHermiteSpline.Knots[_changedPointIndex] - SplineDrawer.DERIVATIVE_AUX_KNOT_DISTANCE;
_selectedHermiteSpline.Derivations[_changedPointIndex] =
MathOperations.DirectionOfLinearFunction(xCursorPositionInWA, yCursorPositionInWA, _selectedHermiteSpline.Knots[_changedPointIndex], _selectedHermiteSpline.ControlPoints[_changedPointIndex]);
var selectedKnotPositionInPA = TransformCoordinates.WorldAreaToPlotAreaX(_selectedHermiteSpline.Knots[_changedPointIndex], _plotArea, _worldArea);
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, _selectedHermiteSpline.Derivations[_changedPointIndex], xCursorPositionInWA, yCursorPositionInWA, selectedKnotPositionInPA + AVOID_CURSOR_X, yCursorPosition + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshHermiteSplineInCanvas(_selectedHermiteSpline, canvas1, _engine);
}
private void DragHSpline(MouseEventArgs e)
{
// yCursorPosition = e.GetPosition(LayoutRoot).Y - _point.Y;
// _lastClickedPositionX = e.GetPosition(LayoutRoot).X - _point.X;
var cursorPosition = CursorPosition(e);
var xCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaX(cursorPosition.X + W_DIV_2, _plotArea, _worldArea);
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(cursorPosition.Y + H_DIV_2, _plotArea, _worldArea);
if (HermiteRegularCheckBox.IsChecked.Value)
{
if (cursorPosition.X <= _leftEllipseX + DEFAULT_REDRAWING_PRECISION)
{
cursorPosition.X = _leftEllipseX + DEFAULT_REDRAWING_PRECISION;
// CanvasMyUtils.RemoveCPFromHermiteSpline(_redrawedHermiteSpline,_changedCPPos,canvas1,_engine);
return;
}
else if (cursorPosition.X >= _rightEllipseX - DEFAULT_REDRAWING_PRECISION && _rightEllipseX != -1)
{
cursorPosition.X = _rightEllipseX - DEFAULT_REDRAWING_PRECISION;
//CanvasMyUtils.RemoveCPFromHermiteSpline(_redrawedHermiteSpline, _changedCPPos, canvas1, _engine);
return;
}
}
_selectedEllipse.SetValue(Canvas.TopProperty, cursorPosition.Y);
_selectedEllipse.SetValue(Canvas.LeftProperty, cursorPosition.X);
// try
//{
_selectedHermiteSpline.ControlPoints[_changedPointIndex] = yCursorPositionInWA;
_selectedHermiteSpline.Knots[_changedPointIndex] = xCursorPositionInWA;
//}
//catch (Exception) { }
// _selectedEllipse.SetValue(Canvas.TopProperty, e.GetPosition(LayoutRoot).controlPoints - _point.controlPoints);
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, xCursorPositionInWA, yCursorPositionInWA, cursorPosition.X + AVOID_CURSOR_X, cursorPosition.Y + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshHermiteSplineInCanvas(_selectedHermiteSpline, canvas1, _engine);
//_canvasUtilities.TotalRefreshHermiteSplineInCanvas(_selectedHermiteSpline, canvas1, _engine);
// }
}
private void DragCSpline(MouseEventArgs e)
{
var cursorPositionY = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, cursorPositionY);
//_selectedEllipse.SetValue(Canvas.LeftProperty, _lastClickedPositionX);
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(cursorPositionY + H_DIV_2, _plotArea, _worldArea);
_selectedClampedSpline.ControlPoints[_changedPointIndex] = yCursorPositionInWA;
var xCursorPositionInWA = _selectedClampedSpline.Knots[_changedPointIndex];
var xCursorPosition = TransformCoordinates.WorldAreaToPlotAreaX(xCursorPositionInWA, _plotArea, _worldArea);
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, _selectedClampedSpline.Knots[_changedPointIndex], yCursorPositionInWA, xCursorPosition + AVOID_CURSOR_X, cursorPositionY + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshClampedSplineInCanvas(_selectedClampedSpline, canvas1, _engine);
// }
}
private void DragGBSpline(MouseEventArgs e)
{
var yCursorPosition = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, yCursorPosition);
//try
//{
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(yCursorPosition + H_DIV_2, _plotArea, _worldArea);
_selectedGlobalBSpline.FunctionValues[_changedPointIndex] = yCursorPositionInWA;
//}
//catch (Exception) { }
// _selectedEllipse.SetValue(Canvas.TopProperty, e.GetPosition(LayoutRoot).controlPoints - _point.controlPoints);
var selectedKnotPositionInPA = TransformCoordinates.WorldAreaToPlotAreaX(_selectedGlobalBSpline.Knots[_changedPointIndex], _plotArea, _worldArea);
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, _selectedGlobalBSpline.Knots[_changedPointIndex] + _selectedGlobalBSpline.Degree, yCursorPositionInWA, selectedKnotPositionInPA + AVOID_CURSOR_X, yCursorPosition + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshGlobalBSplineInCanvas(_selectedGlobalBSpline, canvas1, _engine);
// }
}
public new Tuple <double, double, double, double> Range_MinX_MaxX_MinY_MaxY(PlotArea plotArea, WorldArea worldArea)
{
double minX = double.MaxValue;
double maxX = double.MinValue;
double minY = double.MaxValue;
double maxY = double.MinValue;
for (int i = 0; i < LinesOfSpline.Count; i++)
{
var X1 = TransformCoordinates.PlotAreaToWorldAreaX(LinesOfSpline[i].X1, plotArea, worldArea);
var X2 = TransformCoordinates.PlotAreaToWorldAreaX(LinesOfSpline[i].X2, plotArea, worldArea);
var Y1 = TransformCoordinates.PlotAreaToWorldAreaY(LinesOfSpline[i].Y1, plotArea, worldArea);
var Y2 = TransformCoordinates.PlotAreaToWorldAreaY(LinesOfSpline[i].Y2, plotArea, worldArea);
if (X1 < minX)
{
minX = X1;
}
if (X2 > maxX)
{
maxX = X2;
}
if (Y1 < minY)
{
minY = Y1;
}
if (Y2 > maxY)
{
maxY = Y2;
}
}
//for (int i = 0; i < DragEllipses.Count; i++)
//{
// var X = TransformCoordinates.PlotAreaToWorldAreaX(DragEllipses[i]., plotArea, worldArea);
// var Y = TransformCoordinates.PlotAreaToWorldAreaY(DragEllipses[i].X2, plotArea, worldArea);
//}
return(Tuple.Create(minX, maxX, minY, maxY));
}
private void DragBSpline(MouseEventArgs e)
{
if (!UniformBSpline_CheckBox.IsChecked.Value)
{
// _lastClickedPositionX = e.GetPosition(LayoutRoot).X - _point.X;
// yCursorPosition = e.GetPosition(LayoutRoot).Y - _point.Y;
var cursorPosition = CursorPosition(e);
var xCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaX(cursorPosition.X + W_DIV_2, _plotArea, _worldArea);
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(cursorPosition.Y + H_DIV_2, _plotArea, _worldArea);
if (cursorPosition.X <= _leftEllipseX + DEFAULT_REDRAWING_PRECISION)
{
cursorPosition.X = _leftEllipseX + DEFAULT_REDRAWING_PRECISION;
// CanvasMyUtils.RemoveCPFromHermiteSpline(_redrawedHermiteSpline,_changedCPPos,canvas1,_engine);
return;
}
// else if (cursorPosition.X >= _rightEllipseX - DEFAULT_REDRAWING_PRECISION && _rightEllipseX != -1)
else if (cursorPosition.X >= _rightEllipseX - DEFAULT_REDRAWING_PRECISION)// && _stupidFastHackToResolveBugWithBSplineWhenLastEllipseIsDragged)
{
cursorPosition.X = _rightEllipseX - DEFAULT_REDRAWING_PRECISION;
//CanvasMyUtils.RemoveCPFromHermiteSpline(_redrawedHermiteSpline, _changedCPPos, canvas1, _engine);
return;
}
_selectedEllipse.SetValue(Canvas.LeftProperty, cursorPosition.X);
_selectedEllipse.SetValue(Canvas.TopProperty, cursorPosition.Y);
//try
//{
_selectedBSpline.Knots[_changedKnotPos] = xCursorPositionInWA;
_selectedBSpline.ControlPoints[_changedPointIndex] = yCursorPositionInWA;
//if (_selectedBSpline.Knots[_changedKnotPos] >= _selectedBSpline.Knots[_changedKnotPos + 1])
//{
// var swap = _selectedBSpline.Knots[_changedKnotPos + 1];
// _selectedBSpline.Knots[_changedKnotPos + 1] = _selectedBSpline.Knots[_changedKnotPos];
// _selectedBSpline.Knots[_changedKnotPos] = swap;
// var idx= _selectedBSpline.DragEllipses.IndexOf(_selectedEllipse as Ellipse);
// var swapEl = _selectedBSpline.DragEllipses[idx + 1];
// _selectedBSpline.DragEllipses[idx + 1] = _selectedBSpline.DragEllipses[idx];
// _selectedBSpline.DragEllipses[idx] = swapEl;
//}
//}
//catch (Exception) { }
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, xCursorPositionInWA, yCursorPositionInWA, cursorPosition.X + AVOID_CURSOR_X, cursorPosition.Y + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
//CanvasMyUtils.OptimizedRefreshBSplineInCanvas(_selectedBSpline, _changedCPPos, canvas1, _engine, false);
_canvasUtilities.RefreshBSplineInCanvas(_selectedBSpline, canvas1, _engine);
}
else
{
// yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(yCursorPosition + H_DIV_2, _plotArea, _worldArea);
//yCursorPosition = e.GetPosition(LayoutRoot).Y - _point.Y;
var yCursorPosition = CursorPositionY(e);
_selectedEllipse.SetValue(Canvas.TopProperty, yCursorPosition);
//try
//{
var yCursorPositionInWA = TransformCoordinates.PlotAreaToWorldAreaY(yCursorPosition + H_DIV_2, _plotArea, _worldArea);
_selectedBSpline.ControlPoints[_changedPointIndex] = yCursorPositionInWA;
//}
//catch (Exception) { }
var selectedKnotPositionInPA = TransformCoordinates.WorldAreaToPlotAreaX(_selectedBSpline.Knots[_changedKnotPos], _plotArea, _worldArea);
_dragInfoLabel.WriteAndSetCoordinates(_changedPointIndex, _selectedBSpline.Knots[_changedKnotPos], yCursorPositionInWA, selectedKnotPositionInPA + AVOID_CURSOR_X, yCursorPosition + H_DIV_2);
_dragInfoLabel.Visibility = Visibility.Visible;
_canvasUtilities.RefreshBSplineInCanvas(_selectedBSpline, canvas1, _engine);
}
}