private void DravPolyline(double x, double y, double maxValueX = 0, double maxValueY = 0)
{
if (double.IsNaN(x) || double.IsNaN(y) || double.IsNaN(maxValueX) || double.IsNaN(maxValueY))
{
return;
}
if (double.IsInfinity(x) || double.IsInfinity(y) || double.IsInfinity(maxValueX) || double.IsInfinity(maxValueY))
{
return;
}
if (maxValueX == 0 || maxValueY == 0)
{
maxValueY = _current_MaxValue_Y;
maxValueX = _current_MaxValue_X;
}
double copyX = x;
double copyY = y;
using (MathXY mathPoint = new MathXY())
{
AxisPosition = mathPoint.GetAxisPosition(copyX, copyY, valueOsX, valueOsY, heightChar, ChangeScaleAxisX, ChangeScaleAxisY);
if (AxisPosition != null)
{
lineChar.Points.Add(new Point(AxisPosition.PositionX, AxisPosition.PositionY));
}
AxisPosition.Dispose();
}
}
private void LineChar_MouseMove(object sender, MouseEventArgs e)
{
if (!Copy_ShowToolTipChar)
{
return;
}
double pointX = e.GetPosition(this.CharDrawe).X;
double pointY = e.GetPosition(this.CharDrawe).Y;
const int digitsx = 2, digitsy = 2;
using (MathXY mathPoint = new MathXY())
{
var c = mathPoint.GetPointAB(pointX, pointY, 0, 0, heightChar, valueOsX, valueOsY, scalaX, scalaY, ChangeScaleAxisX, ChangeScaleAxisY);
toolTipLabel.Visibility = Visibility.Visible;
toolTipLabel.Content = string.Format("{0} ; {1}", Math.Round(c.Axis_AX, digitsx).ToString(), Math.Round(c.Axis_AY, digitsy).ToString());
toolTipLabel.Margin = new Thickness(pointX + 5, pointY - 30, 0, 0);
}
}
private void CharLegend_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
//if the toolbar is moved - do not scale the graph
if (changePositionToolbar)
{
return;
}
mouseIsDown = false;
mouseIsUP = true;
//reading the current cursor position ie the current "under the cursor" item
double pointX = e.GetPosition(this.CharDrawe).X;
double pointY = e.GetPosition(this.CharDrawe).Y;
double Axis_A_X = 0;
double Axis_A_Y = 0;
double Axis_B_X = 0;
double Axis_B_Y = 0;
if (pointX == x1 || pointY == y1)
{
//description if selecting the data on the chart is different than from the left corner to the right corner
Axis_A_X = x1; Axis_A_Y = y1;
Axis_B_X = x1 + x2; Axis_B_Y = y1 + y2;
}
else
{
Axis_A_X = x1; Axis_A_Y = y1;
Axis_B_X = pointX; Axis_B_Y = pointY;
}
using (MathXY mathPoint = new MathXY()){
zoomAxisXY = mathPoint.GetPointAB(Axis_A_X, Axis_A_Y, Axis_B_X, Axis_B_Y, heightChar, valueOsX, valueOsY, scalaX, scalaY, ChangeScaleAxisX, ChangeScaleAxisY);
if (zoomAxisXY == null)
{
return;
}
Axis_A_X = zoomAxisXY.Axis_AX;
Axis_A_Y = zoomAxisXY.Axis_AY;
Axis_B_X = zoomAxisXY.Axis_BX;
Axis_B_Y = zoomAxisXY.Axis_BY;
//change of scope
//the function is repeated 2x ==> DrawLineAndValue
if (Axis_B_X < Axis_A_X)
{
double Tmp_odX = Axis_A_X;
Axis_A_X = Axis_B_X;
Axis_B_X = Tmp_odX;
}
if (Axis_A_Y < Axis_B_Y)
{
double Tmp_odY = Axis_B_Y;
Axis_B_Y = Axis_A_Y;
Axis_A_Y = Tmp_odY;
}
//deleting the graph, i.e. the values of X and Y and the co-equivalents corresponding to them
Delete();
//drawing a new chart
DrawLineAndValue(Axis_B_X, Axis_A_Y, Axis_A_X, Axis_B_Y);
}
//if a graph is plotted on the graph
if (_Point.Count != 0)
{
AddNewPolyline();
//scaling the chart after all points
foreach (var v in _Point)
{
DravPolyline(v.Axis_X, v.Axis_Y);
}
CharDrawe.Children.Add(lineChar);
}
//removing a square from the chart
rectangleGeometry.Rect = new Rect(0, 0, 0, 0);
}