/// <summary>
/// Gets the vector.
/// </summary>
/// <param name="x">The x component.</param>
/// <param name="y">The y component.</param>
/// <param name="model">The model.</param>
/// <returns>The vector in screen coordinates.</returns>
protected ScreenVector GetVector(PlotLength x, PlotLength y, PlotModel model)
{
var xd = double.NaN;
var yd = double.NaN;
if (x.Unit == PlotLengthUnit.Data || y.Unit == PlotLengthUnit.Data)
{
var dataX = x.Unit == PlotLengthUnit.Data ? x.Value : double.NaN;
var dataY = y.Unit == PlotLengthUnit.Data ? y.Value : double.NaN;
var v = this.Transform(dataX, dataY) - this.Transform(0, 0);
xd = v.X;
yd = v.Y;
}
switch (x.Unit)
{
case PlotLengthUnit.Data:
break;
case PlotLengthUnit.ScreenUnits:
xd = x.Value;
break;
case PlotLengthUnit.RelativeToViewport:
xd = model.Width * x.Value;
break;
case PlotLengthUnit.RelativeToPlotArea:
xd = model.PlotArea.Width * x.Value;
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (y.Unit)
{
case PlotLengthUnit.Data:
break;
case PlotLengthUnit.ScreenUnits:
yd = y.Value;
break;
case PlotLengthUnit.RelativeToViewport:
yd = model.Height * y.Value;
break;
case PlotLengthUnit.RelativeToPlotArea:
yd = model.PlotArea.Height * y.Value;
break;
default:
throw new ArgumentOutOfRangeException();
}
return(new ScreenVector(xd, yd));
}
/// <summary>
/// Gets the vector.
/// </summary>
/// <param name="x">The x component.</param>
/// <param name="y">The y component.</param>
/// <param name="rc">The render context.</param>
/// <param name="model">The model.</param>
/// <returns>The vector in screen coordinates.</returns>
protected ScreenVector GetVector(PlotLength x, PlotLength y, IRenderContext rc, PlotModel model)
{
double sx;
double sy;
switch (x.Unit)
{
case PlotLengthUnit.Data:
sx = this.XAxis.Transform(x.Value) - this.XAxis.Transform(0);
break;
case PlotLengthUnit.RelativeToPlotArea:
sx = model.PlotArea.Width * x.Value;
break;
case PlotLengthUnit.RelativeToViewport:
sx = model.Width * x.Value;
break;
default:
sx = x.Value;
break;
}
switch (y.Unit)
{
case PlotLengthUnit.Data:
sy = -this.YAxis.Transform(y.Value) + this.YAxis.Transform(0);
break;
case PlotLengthUnit.RelativeToPlotArea:
sy = model.PlotArea.Height * y.Value;
break;
case PlotLengthUnit.RelativeToViewport:
sy = model.Height * y.Value;
break;
default:
sy = y.Value;
break;
}
return(new ScreenVector(sx, sy));
}
/// <summary>
/// Gets the point.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="rc">The render context.</param>
/// <param name="model">The model.</param>
/// <returns>The point in screen coordinates.</returns>
protected ScreenPoint GetPoint(PlotLength x, PlotLength y, IRenderContext rc, PlotModel model)
{
if (x.Unit == PlotLengthUnit.Data || y.Unit == PlotLengthUnit.Data)
{
return(this.XAxis.Transform(x.Value, y.Value, this.YAxis));
}
double sx;
double sy;
switch (x.Unit)
{
case PlotLengthUnit.RelativeToPlotArea:
sx = model.PlotArea.Left + (model.PlotArea.Width * x.Value);
break;
case PlotLengthUnit.RelativeToViewport:
sx = model.Width * x.Value;
break;
default:
sx = x.Value;
break;
}
switch (y.Unit)
{
case PlotLengthUnit.RelativeToPlotArea:
sy = model.PlotArea.Top + (model.PlotArea.Height * y.Value);
break;
case PlotLengthUnit.RelativeToViewport:
sy = model.Height * y.Value;
break;
default:
sy = y.Value;
break;
}
return(new ScreenPoint(sx, sy));
}
/// <summary>
/// Gets the vector.
/// </summary>
/// <param name="x">
/// The x component.
/// </param>
/// <param name="y">
/// The y component.
/// </param>
/// <param name="rc">
/// The render context.
/// </param>
/// <param name="model">
/// The model.
/// </param>
/// <returns>
/// The vector in screen coordinates.
/// </returns>
protected ScreenVector GetVector(PlotLength x, PlotLength y, IRenderContext rc, PlotModel model)
{
double sx;
double sy;
switch (x.Unit)
{
case PlotLengthUnit.Data:
sx = this.XAxis.Transform(x.Value) - this.XAxis.Transform(0);
break;
case PlotLengthUnit.RelativeToPlotArea:
sx = model.PlotArea.Width * x.Value;
break;
case PlotLengthUnit.RelativeToViewport:
sx = model.Width * x.Value;
break;
default:
sx = x.Value;
break;
}
switch (y.Unit)
{
case PlotLengthUnit.Data:
sy = this.YAxis.Transform(y.Value) - this.YAxis.Transform(0);
break;
case PlotLengthUnit.RelativeToPlotArea:
sy = model.PlotArea.Height * y.Value;
break;
case PlotLengthUnit.RelativeToViewport:
sy = model.Height * y.Value;
break;
default:
sy = y.Value;
break;
}
return new ScreenVector(sx, sy);
}
/// <summary>
/// Gets the point.
/// </summary>
/// <param name="x">
/// The x.
/// </param>
/// <param name="y">
/// The y.
/// </param>
/// <param name="rc">
/// The render context.
/// </param>
/// <param name="model">
/// The model.
/// </param>
/// <returns>
/// The point in screen coordinates.
/// </returns>
protected ScreenPoint GetPoint(PlotLength x, PlotLength y, IRenderContext rc, PlotModel model)
{
if (x.Unit == PlotLengthUnit.Data || y.Unit == PlotLengthUnit.Data)
{
return this.XAxis.Transform(x.Value, y.Value, this.YAxis);
}
double sx;
double sy;
switch (x.Unit)
{
case PlotLengthUnit.RelativeToPlotArea:
sx = model.PlotArea.Left + (model.PlotArea.Width * x.Value);
break;
case PlotLengthUnit.RelativeToViewport:
sx = model.Width * x.Value;
break;
default:
sx = x.Value;
break;
}
switch (y.Unit)
{
case PlotLengthUnit.RelativeToPlotArea:
sy = model.PlotArea.Top + (model.PlotArea.Height * y.Value);
break;
case PlotLengthUnit.RelativeToViewport:
sy = model.Height * y.Value;
break;
default:
sy = y.Value;
break;
}
return new ScreenPoint(sx, sy);
}
