/// <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>
/// Scale the NDC rectangle to the dimensions given.
/// </summary>
/// <param name="icrc">Context.</param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
var matx = MatrixSupport.ProjectForQuadrant(4, icrc.SeriesArea);
Rectangle.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;
}
if (ItemState.Count == 0)
{
return;
}
var mp = MatrixSupport.DataArea(CategoryAxis, ValueAxis, icrc.Area, 1);
// cancel x-offset
var proj2 = mp.Item2;
proj2.OffsetX = 0;
// get the local marker matrix
var marker = MatrixSupport.LocalFor(mp.Item1, MarkerWidth, icrc.Area, -MarkerOrigin.X, -MarkerOrigin.Y);
// get the offset matrix
var mato = MatrixSupport.Multiply(mp.Item1, proj2);
foreach (var state in ItemState)
{
// assemble Mk * M * P transform for this path
var iworld = (state as IItemStateMatrix).World;
var model = MatrixSupport.Multiply(marker, iworld);
var matx = MatrixSupport.Multiply(model, proj2);
var mt = new MatrixTransform()
{
Matrix = matx
};
if (state.Element.DataContext is GeometryWithOffsetShim <Geometry> gs)
{
gs.GeometryTransform = mt;
var output = mato.Transform(new Point(state.XValue, 0));
gs.Offset = icrc.Area.Left + output.X;
}
else
{
state.Element.Data.Transform = mt;
}
if (ClipToDataRegion)
{
state.Element.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
}
_trace.Verbose($"{Name} mat:{mp.Item1} clip:{icrc.SeriesArea}");
}
/// <summary>
/// The geometry is a circle of radius 10 centered at (0,0).
/// </summary>
/// <param name="area">Projection area.</param>
/// <returns>MP matrix for this component's geometry.</returns>
Matrix IProvideCustomTransform.TransformFor(Rect area)
{
var range = 2.0 * RADIUS;
var mmatx = new Matrix(1.0 / range, 0, 0, -1.0 / range, RADIUS / range, RADIUS / range);
var pmatx = MatrixSupport.ProjectForQuadrant(4, area);
// lock aspect ratio to smallest dimension so it's a circle
var scale = Math.Min(pmatx.M11, pmatx.M22);
pmatx.M11 = pmatx.M22 = scale;
// TODO adjust offset so it's centered
var matx = MatrixSupport.Multiply(mmatx, pmatx);
_trace.Verbose($"{Name} mat:{matx} M:{mmatx} P:{pmatx}");
return(matx);
}
void IRequireAfterAxesFinalized.AxesFinalized(IChartRenderContext icrc)
{
if (icrc.Type == RenderType.TransformsOnly)
{
return;
}
var mat = MatrixSupport.DataArea(CategoryAxis1, CategoryAxis2, icrc.SeriesArea, 4);
var matmp = MatrixSupport.Multiply(mat.Item1, mat.Item2);
_trace.Verbose($"{Name} matmp:{matmp} clip:{icrc.SeriesArea}");
var mt = new MatrixTransform()
{
Matrix = matmp
};
StyleGenerator?.Reset();
foreach (var istate in ItemState)
{
if (istate.Element.DataContext is GeometryWith2OffsetShim <RectangleGeometry> gs)
{
gs.GeometryTransform = mt;
}
else
{
istate.Element.Data.Transform = mt;
}
if (StyleGenerator != null)
{
var style = StyleGenerator.For(new Category2StyleContext(CategoryAxis1, CategoryAxis2, this, new double[3] {
istate.Value, istate.XValue, (istate as IProvideYValue).YValue
}));
if (style != null)
{
istate.Element.Style = style;
}
else
{
if (PathStyle != null)
{
BindTo(this, nameof(PathStyle), istate.Element, FrameworkElement.StyleProperty);
}
}
}
}
StyleGenerator?.UpdateLegend(new Category2StyleContext(CategoryAxis1, CategoryAxis2, this, new double[0]));
}
/// <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 (CategoryAxis1 == null || CategoryAxis2 == null)
{
return;
}
if (ItemState.Count == 0)
{
return;
}
// TODO quad depends on orientations of both axes this is assuming default orientations
var mat = MatrixSupport.DataArea(CategoryAxis1, CategoryAxis2, icrc.SeriesArea, 4);
var matmp = MatrixSupport.Multiply(mat.Item1, mat.Item2);
_trace.Verbose($"{Name} matmp:{matmp} clip:{icrc.SeriesArea}");
var mt = new MatrixTransform()
{
Matrix = matmp
};
foreach (var state in ItemState)
{
if (state.Element.DataContext is GeometryWith2OffsetShim <RectangleGeometry> gs)
{
gs.GeometryTransform = mt;
var output = matmp.Transform(new Point(state.XValue, (state as IProvideYValue).YValue));
gs.Offset = output.X - icrc.SeriesArea.Left;
gs.Offset2 = output.Y - icrc.SeriesArea.Top;
}
else
{
state.Element.Data.Transform = mt;
}
if (ClipToDataRegion)
{
var cg = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
state.Element.Clip = cg;
}
}
}
Matrix ProjectionForAxis(Rect area, double scale)
{
switch (Side)
{
case Side.Bottom:
return(MatrixSupport.ProjectionFor(area.Left, area.Top + AxisMargin, scale, 1));
case Side.Top:
return(MatrixSupport.ProjectionFor(area.Left, area.Bottom - AxisMargin, scale, 1));
case Side.Left:
return(MatrixSupport.ProjectionFor(area.Right - AxisMargin, area.Top, 1, scale));
case Side.Right:
return(MatrixSupport.ProjectionFor(area.Left + AxisMargin, area.Top, 1, scale));
default:
throw new NotImplementedException($"Not Implemented: {Side}");
}
}
void IRequireAfterAxesFinalized.AxesFinalized(IChartRenderContext icrc)
{
if (CategoryAxis == null || ValueAxis == null)
{
return;
}
if (ItemState.Count == 0)
{
return;
}
var world = MatrixSupport.ModelFor(CategoryAxis, ValueAxis);
foreach (var state in ItemState)
{
if (state is IItemStateMatrix ism)
{
ism.World = MatrixSupport.Translate(world, state.XOffset, state.Value);
}
}
}
/// <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;
}
if (ItemState.Count == 0)
{
return;
}
var mp = MatrixSupport.DataArea(CategoryAxis, ValueAxis, icrc.Area, 1);
// get the offset matrix
var mato = MatrixSupport.Multiply(mp.Item1, mp.Item2);
// TODO preserve aspect ratio of image; will require ImageOpened evh
var dimx = MarkerWidth * mato.M11;
_trace.Verbose($"dimx {dimx}");
foreach (var state in ItemState)
{
if (state.Element.DataContext is ImageSourceShim iss)
{
var output = mato.Transform(new Point(state.XValue + MarkerOffset, state.Value));
_trace.Verbose($"output {output.X:F1},{output.Y:F1} value {state.XValue},{state.Value} image {state.Element.ActualWidth:F1}x{state.Element.ActualHeight:F1}");
var hw = dimx * MarkerOrigin.X;
var hh = dimx * MarkerOrigin.Y;
// these have bindings so effect is immediate
iss.OffsetX = output.X - hw;
iss.OffsetY = output.Y - hh;
iss.Width = dimx;
iss.Height = dimx;
}
if (ClipToDataRegion)
{
state.Element.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
}
_trace.Verbose($"{Name} mat:{mp.Item1} clip:{icrc.SeriesArea}");
}
/// <summary>
/// Adjust transforms for the various components.
/// Geometry: scaled to actual values in cartesian coordinates as indicated by axes.
/// </summary>
/// <param name="icrc"></param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
if (CategoryAxis == null || ValueAxis == null)
{
return;
}
var matx = MatrixSupport.TransformFor(icrc.Area, CategoryAxis, ValueAxis);
_trace.Verbose($"{Name} mat:{matx} clip:{icrc.SeriesArea}");
Geometry.Transform = new MatrixTransform()
{
Matrix = matx
};
if (ClipToDataRegion)
{
Segments.Clip = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
}
}
Matrix ProjectionFor(Rect area, bool reverse = false)
{
switch (Side)
{
case Side.Bottom:
return(MatrixSupport.ProjectionFor(
reverse ? area.Right : area.Left,
area.Top + AxisLineThickness + 2 * AxisMargin,
reverse ? -1 : 1,
1
));
case Side.Top:
return(MatrixSupport.ProjectionFor(
reverse ? area.Right : area.Left,
area.Top + AxisLineThickness + 2 * AxisMargin,
reverse ? -1 : 1,
-1
));
case Side.Left:
return(MatrixSupport.ProjectionFor(
area.Right,
area.Top,
-area.Width - AxisLineThickness - 2 * AxisMargin,
reverse ? -1 : 1
));
case Side.Right:
return(MatrixSupport.ProjectionFor(
area.Left + AxisLineThickness + 2 * AxisMargin,
area.Top,
1,
reverse ? -1 : 1
));
default:
throw new NotImplementedException($"Not Implemented: {Side}");
}
}
/// <summary>
/// Adjust transforms for the various components.
/// Geometry: scaled to actual values in cartesian coordinates as indicated by axes.
/// </summary>
/// <param name="icrc"></param>
void IRequireTransforms.Transforms(IChartRenderContext icrc)
{
if (CategoryAxis == null || ValueAxis == null)
{
return;
}
if (ItemState.Count == 0)
{
return;
}
var matx = MatrixSupport.TransformForOffsetX(icrc.Area, CategoryAxis, ValueAxis);
_trace.Verbose($"{Name} mat:{matx} clip:{icrc.SeriesArea}");
var mt = new MatrixTransform()
{
Matrix = matx
};
foreach (var state in ItemState)
{
if (state.Element.DataContext is GeometryWithOffsetShim <RectangleGeometry> gs)
{
gs.GeometryTransform = mt;
var output = matx.Transform(new Point(state.XValue, 0));
gs.Offset = icrc.Area.Left + output.X;
}
else
{
state.Element.Data.Transform = mt;
}
if (ClipToDataRegion)
{
var cg = new RectangleGeometry()
{
Rect = icrc.SeriesArea
};
state.Element.Clip = cg;
}
}
}
/// <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
}