/// <summary>
/// rule coordinates (x:[0..1], y:axis)
/// </summary>
/// <param name="icrc">The context.</param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
if (ValueAxis == null)
{
return;
}
var matx = MatrixSupport.TransformFor(icrc.SeriesArea, ValueAxis);
_trace.Verbose($"transforms sy:{matx.M22:F3} matx:{matx} sa:{icrc.SeriesArea}");
if (ClipToDataRegion)
{
Path.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
var vx = ValueAxis.For(Value);
var offset = matx.Transform(new Point(0, vx));
Rule.SetValue(Canvas.TopProperty, offset.Y);
matx.OffsetY = 0;
Rule.Transform = new MatrixTransform()
{
Matrix = matx
};
}
/// <summary>
/// Adjust transforms for the various components.
/// Geometry: scaled to actual values in cartesian coordinates as indicated by axes.
/// </summary>
/// <param name="icrc"></param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
if (CategoryAxis == null || ValueAxis == null)
{
return;
}
var matx = MatrixSupport.TransformFor(icrc.Area, CategoryAxis, ValueAxis);
_trace.Verbose($"{Name} mat:{matx} clip:{icrc.SeriesArea}");
Geometry.Transform = new MatrixTransform()
{
Matrix = matx
};
if (ClipToDataRegion)
{
Segments.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
}
/// <summary>
/// rule coordinates (x:[0..1], y:axis)
/// </summary>
/// <param name="icrc">The context.</param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
if (ValueAxis == null)
{
return;
}
var matx = MatrixSupport.TransformFor(icrc.SeriesArea, ValueAxis);
_trace.Verbose($"transforms sy:{matx.M22:F3} matx:{matx} sa:{icrc.SeriesArea}");
if (ClipToDataRegion)
{
Value1Path.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
Value2Path.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
BandPath.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
#if true
var vmin = ValueAxis.For(Value2);
var vmax = ValueAxis.For(Value1);
var mmin = DoMinMax ? Math.Min(vmin, vmax) : vmin;
var mmax = DoMinMax ? Math.Max(vmin, vmax) : vmax;
var offset1 = matx.Transform(new Point(0, vmin));
Value1Path.SetValue(Canvas.TopProperty, offset1.Y);
var offset2 = matx.Transform(new Point(0, vmax));
Value2Path.SetValue(Canvas.TopProperty, offset2.Y);
var matx2 = matx;
matx2.OffsetY = 0;
Value1Rule.Transform = new MatrixTransform()
{
Matrix = matx2
};
Value2Rule.Transform = new MatrixTransform()
{
Matrix = matx2
};
BandPath.SetValue(Canvas.TopProperty, offset1.Y);
Band.Transform = new MatrixTransform()
{
Matrix = matx2
};
#else
Value1Rule.Transform = new MatrixTransform()
{
Matrix = matx
};
Value2Rule.Transform = new MatrixTransform()
{
Matrix = matx
};
Band.Transform = new MatrixTransform()
{
Matrix = matx
};
#endif
}