void ResizeAxis(Rectangle r)
{
//If the rectangle has zero width or zero height return
if (r.Width == 0)
{
return;
}
if (r.Height == 0)
{
return;
}
//Get the points from the rectangle
double x1 = r.X - this.CurveArea.X;
double y1 = r.Y - this.CurveArea.Y;
double x2 = x1 + r.Width;
double y2 = y1 + r.Height;
//Transform rectangle points into real values
x1 = GraphTransform.InvTranslateX(x1);
y1 = GraphTransform.InvTranslateY(y1);
x2 = GraphTransform.InvTranslateX(x2);
y2 = GraphTransform.InvTranslateY(y2);
//If logarithmic x axis transform x values
if (this.AxisTypeX == AxisType.LOG)
{
x1 = (double)Math.Pow(10, x1);
x2 = (double)Math.Pow(10, x2);
}
//If logarithmic y axis transform y values
if (this.AxisTypeY == AxisType.LOG)
{
y1 = (double)Math.Pow(10, y1);
y2 = (double)Math.Pow(10, y2);
}
//If this chart has autoscale enabled disable it
if (this.AutoScale)
{
this.AutoScale = false;
}
//Set the new axisrange
this.AxisRangeX = new AxisData(x1, x2, Math.Abs(x2 - x1) / 5);
this.AxisRangeY = new AxisData(y2, y1, Math.Abs(y1 - y2) / 5);
//Redraw the control
RedrawChart();
}
private void ResizeAxis(Rectangle r)
{
if (r.Width == 0)
{
return;
}
if (r.Height == 0)
{
return;
}
double x1 = r.X - this.CurveArea.X;
double y1 = r.Y - this.CurveArea.Y;
double x2 = x1 + r.Width;
double y2 = y1 + r.Height;
x1 = GraphTransform.InvTranslateX(x1);
y1 = GraphTransform.InvTranslateY(y1);
x2 = GraphTransform.InvTranslateX(x2);
y2 = GraphTransform.InvTranslateY(y2);
if (this.AxisTypeX == AxisType.LOG)
{
x1 = Math.Pow(10, x1);
x2 = Math.Pow(10, x2);
}
if (this.AxisTypeY == AxisType.LOG)
{
y1 = Math.Pow(10, y1);
y2 = Math.Pow(10, y2);
}
this.AxisRangeX = new AxisData(x1, x2, Math.Abs(x2 - x1) / 5);
this.AxisRangeY = new AxisData(y2, y1, Math.Abs(y1 - y2) / 5);
Invalidate();
}