/// <summary>
/// Determines whether the plot items in <paramref name="coll"/> can be plotted as stack. Presumption is that all plot items
/// have the same number of plot points, and that all items have the same order of x values associated with the plot points.
/// </summary>
/// <param name="layer">Plot layer.</param>
/// <param name="coll">Collection of plot items.</param>
/// <param name="plotDataList">Output: dictionary with associates each plot item with a list of processed plot data.</param>
/// <returns>Returns <c>true</c> if the plot items in <paramref name="coll"/> can be plotted as stack; otherwise, <c>false</c>.</returns>
public static bool CanUseStyle(IPlotArea layer, PlotItemCollection coll, out Dictionary <G2DPlotItem, Processed2DPlotData> plotDataList)
{
plotDataList = new Dictionary <G2DPlotItem, Processed2DPlotData>();
AltaxoVariant[] xArray = null;
int idx = -1;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
idx++;
var gpi = (G2DPlotItem)pi;
Processed2DPlotData pdata = gpi.GetRangesAndPoints(layer);
plotDataList.Add(gpi, pdata);
if (null != pdata)
{
if (xArray == null)
{
xArray = new AltaxoVariant[pdata.RangeList.PlotPointCount];
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
xArray[j] = pdata.GetXPhysical(originalIndex);
}
}
else // this is not the first item
{
if (pdata.RangeList.PlotPointCount != xArray.Length)
{
return(false);
}
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
if (xArray[j] != pdata.GetXPhysical(originalIndex))
{
return(false);
}
}
}
}
}
}
return(idx >= 1);
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, PlotItemCollection coll)
{
System.Drawing.Region[] clippingColl = new System.Drawing.Region[coll.Count];
Processed2DPlotData[] plotDataColl = new Processed2DPlotData[coll.Count];
double[] xincColl = new double[coll.Count];
double[] yincColl = new double[coll.Count];
int idx = -1;
Processed2DPlotData previousPlotData = null;
for (int i = 0; i < coll.Count; i++)
{
if (coll[i] is G2DPlotItem)
{
idx++;
double currxinc = xincColl[i] = idx * _xinc * _scaleXInc;
double curryinc = yincColl[i] = idx * _yinc * _scaleYInc;
G2DPlotItem gpi = coll[i] as G2DPlotItem;
Processed2DPlotData plotdata = plotDataColl[i] = gpi.GetRangesAndPoints(layer);
plotdata.PreviousItemData = previousPlotData;
previousPlotData = plotdata;
int j = -1;
foreach (int rowIndex in plotdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant xx = plotdata.GetXPhysical(rowIndex) + currxinc;
AltaxoVariant yy = plotdata.GetYPhysical(rowIndex) + curryinc;
Logical3D rel = new Logical3D(layer.XAxis.PhysicalVariantToNormal(xx), layer.YAxis.PhysicalVariantToNormal(yy));
double xabs, yabs;
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out xabs, out yabs);
plotdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
if (_useClipping)
{
GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
}
}
}
for (int i = coll.Count - 1; i >= 0; i--)
{
if (null == plotDataColl[i])
{
coll[i].Paint(g, layer);
}
else
{
TransformedLayerWrapper layerwrapper = new TransformedLayerWrapper(layer, xincColl[i], yincColl[i]);
((G2DPlotItem)coll[i]).Paint(g, layerwrapper, plotDataColl[i]);
}
}
}
public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
if (!CanUseStyle(layer, coll, out var plotDataDict))
{
return;
}
else
{
paintContext.AddValue(this, plotDataDict);
}
AltaxoVariant[] ysumArray = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
var gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
ysumArray = AbsoluteStackTransform.AddUp(ysumArray, pdata);
}
}
// now plot the data - the summed up y is in yArray
AltaxoVariant[] yArray = null;
Processed2DPlotData previousItemData = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
var gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
yArray = AbsoluteStackTransform.AddUp(yArray, pdata);
var localArray = new AltaxoVariant[yArray.Length];
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant y = 100 * yArray[j] / ysumArray[j];
localArray[j] = y;
var rel = new Logical3D(
layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalIndex)),
layer.YAxis.PhysicalVariantToNormal(y));
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out var xabs, out var yabs);
pdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
// we have also to exchange the accessor for the physical y value and replace it by our own one
pdata.YPhysicalAccessor = new IndexedPhysicalValueAccessor(delegate(int i)
{ return(localArray[i]); });
pdata.PreviousItemData = previousItemData;
previousItemData = pdata;
}
}
}
public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
if (!CanUseStyle(layer, coll, out var plotDataDict))
{
return;
}
else
{
paintContext.AddValue(this, plotDataDict);
}
AltaxoVariant[] yArray = null;
// First, add up all items since we start always with the last item
int idx = -1;
Processed2DPlotData previousItemData = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
idx++;
var gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
if (null == pdata)
{
continue;
}
yArray = AddUp(yArray, pdata);
if (idx > 0) // this is not the first item
{
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
var rel = new Logical3D(
layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalIndex)),
layer.YAxis.PhysicalVariantToNormal(yArray[j]));
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out var xabs, out var yabs);
pdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
}
// we have also to exchange the accessor for the physical y value and replace it by our own one
var localArray = (AltaxoVariant[])yArray.Clone();
var localArrayHolder = new LocalArrayHolder(localArray, pdata);
pdata.YPhysicalAccessor = localArrayHolder.GetPhysical;
pdata.PreviousItemData = previousItemData;
previousItemData = pdata;
}
}
}
public void PrepareGroupStyles(PlotGroupStyleCollection externalGroups, PlotGroupStyleCollection localGroups, IPlotArea layer, Processed2DPlotData pdata)
{
// first, we have to calculate the span of logical values from the minimum logical value to the maximum logical value
int numberOfItems = 0;
if (null != pdata)
{
double minLogicalX = double.MaxValue;
double maxLogicalX = double.MinValue;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
numberOfItems++;
double logicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
if (logicalX < minLogicalX)
{
minLogicalX = logicalX;
}
if (logicalX > maxLogicalX)
{
maxLogicalX = logicalX;
}
}
BarSizePosition2DGroupStyle.IntendToApply(externalGroups, localGroups, numberOfItems, minLogicalX, maxLogicalX);
}
BarSizePosition2DGroupStyle bwp = PlotGroupStyle.GetStyleToInitialize <BarSizePosition2DGroupStyle>(externalGroups, localGroups);
if (null != bwp)
{
bwp.Initialize(_relInnerGapX, _relOuterGapX);
}
if (!_independentFillColor && null != _fillBrush)
{
ColorGroupStyle.PrepareStyle(externalGroups, localGroups, delegate()
{ return(_fillBrush.Color); });
}
else if (!_independentFrameColor && null != _framePen) // else if is used here because fill color has precedence over frame color
{
ColorGroupStyle.PrepareStyle(externalGroups, localGroups, delegate()
{ return(_framePen.Color); });
}
}
public void PrepareGroupStyles(PlotGroupStyleCollection externalGroups, PlotGroupStyleCollection localGroups, IPlotArea layer, Processed2DPlotData pdata)
{
// first, we have to calculate the span of logical values from the minimum logical value to the maximum logical value
int numberOfItems = 0;
double minLogical = double.MaxValue;
double maxLogical = double.MinValue;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
double logicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
numberOfItems++;
if (logicalX < minLogical)
{
minLogical = logicalX;
}
if (logicalX > maxLogical)
{
maxLogical = logicalX;
}
}
BarWidthPositionGroupStyle.IntendToApply(externalGroups, localGroups, numberOfItems, minLogical, maxLogical);
BarWidthPositionGroupStyle bwp = PlotGroupStyle.GetStyleToInitialize <BarWidthPositionGroupStyle>(externalGroups, localGroups);
if (null != bwp)
{
bwp.Initialize(_relInnerGapWidth, _relOuterGapWidth);
}
if (this.IsColorReceiver)
{
ColorGroupStyle.PrepareStyle(externalGroups, localGroups, delegate() { return(PlotColors.Colors.GetPlotColor(this._fillBrush.Color)); });
}
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, Processed2DPlotData pdata, Processed2DPlotData prevItemData, Processed2DPlotData nextItemData)
{
if (null == pdata)
{
throw new ArgumentNullException(nameof(pdata));
}
PlotRangeList rangeList = pdata.RangeList;
System.Drawing.PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(0, 0), out var xleft, out var ybottom);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(1, 1), out var xright, out var ytop);
float xe = (float)xright;
float ye = (float)ybottom;
var path = new GraphicsPath();
double globalBaseValue;
if (_usePhysicalBaseValue)
{
globalBaseValue = layer.YAxis.PhysicalVariantToNormal(_baseValue);
if (double.IsNaN(globalBaseValue))
{
globalBaseValue = 0;
}
}
else
{
globalBaseValue = _baseValue.ToDouble();
}
bool useVariableFillColor = null != _fillBrush && null != _cachedColorForIndexFunction && !_independentFillColor;
bool useVariableFrameColor = null != _framePen && null != _cachedColorForIndexFunction && !_independentFrameColor;
var fillBrush = _fillBrush == null ? null : useVariableFillColor?_fillBrush.Clone() : _fillBrush;
var framePen = _framePen == null ? null : useVariableFrameColor?_framePen.Clone() : _framePen;
int j = -1;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
double xcn = _xOffsetLogical + layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
double xln = xcn - 0.5 * _xSizeLogical;
double xrn = xcn + 0.5 * _xSizeLogical;
double ycn = layer.YAxis.PhysicalVariantToNormal(pdata.GetYPhysical(originalRowIndex));
double ynbase = globalBaseValue;
if (_startAtPreviousItem && pdata.PreviousItemData != null)
{
double prevstart = layer.YAxis.PhysicalVariantToNormal(pdata.PreviousItemData.GetYPhysical(originalRowIndex));
if (!double.IsNaN(prevstart))
{
ynbase = prevstart;
ynbase += Math.Sign(ynbase - globalBaseValue) * _previousItemYGap;
}
}
path.Reset();
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ynbase), new Logical3D(xln, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ycn), new Logical3D(xrn, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ycn), new Logical3D(xrn, ynbase));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ynbase), new Logical3D(xln, ynbase));
path.CloseFigure();
if (null != fillBrush)
{
if (useVariableFillColor)
{
fillBrush.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
}
fillBrush.SetEnvironment(path.GetBounds(), BrushX.GetEffectiveMaximumResolution(g, 1));
g.FillPath(fillBrush, path);
}
if (null != framePen)
{
if (useVariableFrameColor)
{
framePen.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
}
framePen.SetEnvironment(path.GetBounds(), BrushX.GetEffectiveMaximumResolution(g, 1));
g.DrawPath(framePen, path);
}
}
}
protected void PaintOneRange(Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
const double logicalClampMinimum = -10;
const double logicalClampMaximum = 11;
// Plot error bars for the dependent variable (y)
var columnX = ColumnX;
var columnY = ColumnY;
if (columnX == null || columnY == null)
{
return; // nothing to do if both error columns are null
}
if (!typeof(double).IsAssignableFrom(columnX.ItemType) || !typeof(double).IsAssignableFrom(columnY.ItemType))
{
return; // TODO make this an runtime paint error to be reported
}
var strokePen = _strokePen.Clone();
using (var isoLine = new GraphicsPath())
{
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
int originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
double symbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(originalRowIndex);
strokePen.Width = (_lineWidth1Offset + _lineWidth1Factor * symbolSize);
if (null != _cachedColorForIndexFunction)
{
strokePen.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
}
if (!(strokePen.EndCap is LineCaps.FlatCap))
{
strokePen.EndCap = strokePen.EndCap.WithMinimumAbsoluteAndRelativeSize(symbolSize * _endCapSizeFactor + _endCapSizeOffset, 1 + 1E-6);
}
// Calculate target
AltaxoVariant targetX, targetY;
switch (_meaningOfValues)
{
case ValueInterpretation.AbsoluteDifference:
{
targetX = pdata.GetXPhysical(originalRowIndex) + columnX[originalRowIndex];
targetY = pdata.GetYPhysical(originalRowIndex) + columnY[originalRowIndex];
}
break;
case ValueInterpretation.AbsoluteValue:
{
targetX = columnX[originalRowIndex];
targetY = columnY[originalRowIndex];
}
break;
default:
throw new NotImplementedException(nameof(_meaningOfValues));
}
var logicalTarget = layer.GetLogical3D(targetX, targetY);
var logicalOrigin = layer.GetLogical3D(pdata, originalRowIndex);
if (!_independentOnShiftingGroupStyles && (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY))
{
logicalOrigin.RX += _cachedLogicalShiftX;
logicalOrigin.RY += _cachedLogicalShiftY;
logicalTarget.RX += _cachedLogicalShiftX;
logicalTarget.RY += _cachedLogicalShiftY;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RX, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RY, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RZ, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RX, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RY, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RZ, logicalClampMinimum, logicalClampMaximum))
{
continue;
}
isoLine.Reset();
layer.CoordinateSystem.GetIsoline(isoLine, logicalOrigin, logicalTarget);
if (null == isoLine)
{
continue;
}
PointF[] isoLinePathPoints = null;
if (_useManualVectorLength)
{
isoLine.Flatten();
isoLinePathPoints = isoLine.PathPoints;
double length = _vectorLengthOffset + _vectorLengthFactor * symbolSize;
double isoLineLength = isoLinePathPoints.TotalLineLength();
isoLinePathPoints = isoLinePathPoints.ShortenedBy(RADouble.NewAbs(0), RADouble.NewAbs(isoLineLength - length));
if (null == isoLine)
{
continue;
}
}
if (_useSymbolGap)
{
if (null == isoLinePathPoints)
{
isoLine.Flatten();
isoLinePathPoints = isoLine.PathPoints;
}
double gap = _symbolGapOffset + _symbolGapFactor * symbolSize;
if (gap != 0)
{
isoLinePathPoints = isoLinePathPoints.ShortenedBy(RADouble.NewAbs(gap / 2), RADouble.NewAbs(0));
if (null == isoLine)
{
continue;
}
}
}
if (null != isoLinePathPoints)
{
g.DrawLines(_strokePen, isoLinePathPoints);
}
else
{
g.DrawPath(strokePen, isoLine);
}
}
}
}
public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
var paintData = new CachedPaintData
{
_clippingColl = new System.Drawing.Region[coll.Count],
_plotDataColl = new Processed2DPlotData[coll.Count],
_xincColl = new double[coll.Count],
_yincColl = new double[coll.Count]
};
paintContext.AddValue(this, paintData);
// First prepare
int idx = -1;
Processed2DPlotData previousPlotData = null;
for (int i = 0; i < coll.Count; i++)
{
if (coll[i] is G2DPlotItem)
{
idx++;
double currxinc = paintData._xincColl[i] = idx * _xinc * _scaleXInc;
double curryinc = paintData._yincColl[i] = idx * _yinc * _scaleYInc;
var gpi = coll[i] as G2DPlotItem;
Processed2DPlotData plotdata = paintData._plotDataColl[i] = gpi.GetRangesAndPoints(layer);
plotdata.PreviousItemData = previousPlotData;
previousPlotData = plotdata;
int j = -1;
foreach (int rowIndex in plotdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant xx = plotdata.GetXPhysical(rowIndex) + currxinc;
AltaxoVariant yy = plotdata.GetYPhysical(rowIndex) + curryinc;
var rel = new Logical3D(layer.XAxis.PhysicalVariantToNormal(xx), layer.YAxis.PhysicalVariantToNormal(yy));
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out var xabs, out var yabs);
plotdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
// if clipping is used, we must get a clipping region for every plot item
// and combine the regions from
if (_useClipping)
{
if (i == 0)
{
paintData._clippingColl[i] = g.Clip;
}
Plot.Styles.LinePlotStyle linestyle = null;
foreach (Plot.Styles.IG2DPlotStyle st in gpi.Style)
{
if (st is Plot.Styles.LinePlotStyle)
{
linestyle = st as Plot.Styles.LinePlotStyle;
break;
}
}
if (null != linestyle)
{
var path = new System.Drawing.Drawing2D.GraphicsPath();
linestyle.GetFillPath(path, layer, plotdata, CSPlaneID.Bottom);
if ((i + 1) < paintData._clippingColl.Length)
{
paintData._clippingColl[i + 1] = paintData._clippingColl[i].Clone();
paintData._clippingColl[i + 1].Exclude(path);
}
}
else
{
if ((i + 1) < paintData._clippingColl.Length)
{
paintData._clippingColl[i + 1] = paintData._clippingColl[i];
}
}
}
}
}
}
public void StraightConnection_PaintOneRange(
Graphics g,
Processed2DPlotData pdata,
PlotRange range,
IPlotArea layer,
Processed2DPlotData previousData)
{
PointF[] linePoints = pdata.PlotPointsInAbsoluteLayerCoordinates;
var linepts = new PointF[range.Length];
Array.Copy(linePoints, range.LowerBound, linepts, 0, range.Length); // Extract
int lastIdx = range.Length - 1;
// Try to find points with a similar x value on otherlinepoints
double firstLogicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(range.OriginalFirstPoint));
double lastLogicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(range.OriginalLastPoint));
double minDistanceToFirst = double.MaxValue;
double minDistanceToLast = double.MaxValue;
int minIdxFirst = -1;
int minIdxLast = -1;
foreach (var rangeP in previousData.RangeList)
{
for (int i = rangeP.LowerBound; i < rangeP.UpperBound; ++i)
{
double logicalX = layer.XAxis.PhysicalVariantToNormal(previousData.GetXPhysical(i + rangeP.OffsetToOriginal));
if (Math.Abs(logicalX - firstLogicalX) < minDistanceToFirst)
{
minDistanceToFirst = Math.Abs(logicalX - firstLogicalX);
minIdxFirst = i;
}
if (Math.Abs(logicalX - lastLogicalX) < minDistanceToLast)
{
minDistanceToLast = Math.Abs(logicalX - lastLogicalX);
minIdxLast = i;
}
}
}
// if nothing found, use the outmost boundaries of the plot points of the other data item
if (minIdxFirst < 0)
{
minIdxFirst = 0;
}
if (minIdxLast < 0)
{
minIdxLast = previousData.PlotPointsInAbsoluteLayerCoordinates.Length - 1;
}
var otherLinePoints = new PointF[minIdxLast + 1 - minIdxFirst];
Array.Copy(previousData.PlotPointsInAbsoluteLayerCoordinates, minIdxFirst, otherLinePoints, 0, otherLinePoints.Length);
Array.Reverse(otherLinePoints);
// now paint this
var gp = new GraphicsPath();
var layerSize = layer.Size;
gp.StartFigure();
gp.AddLines(linepts);
gp.AddLines(otherLinePoints);
gp.CloseFigure();
if (_fillBrush.IsVisible)
{
g.FillPath(_fillBrush, gp);
}
if (null != _framePen)
{
g.DrawPath(_framePen, gp);
}
gp.Reset();
} // end function PaintOneRange
public void StraightConnection_PaintOneRange(
Graphics g,
Processed2DPlotData pdata,
PlotRange range,
IPlotArea layer,
Processed2DPlotData previousData)
{
PointF[] linePoints = pdata.PlotPointsInAbsoluteLayerCoordinates;
PointF[] linepts = new PointF[range.Length];
Array.Copy(linePoints, range.LowerBound, linepts, 0, range.Length); // Extract
int lastIdx = range.Length - 1;
// Try to find points with a similar x value on otherlinepoints
double firstLogicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(range.OriginalFirstPoint));
double lastLogicalX = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(range.OriginalLastPoint));
double minDistanceToFirst = double.MaxValue;
double minDistanceToLast = double.MaxValue;
int minIdxFirst = -1;
int minIdxLast = -1;
foreach (var rangeP in previousData.RangeList)
{
for (int i = rangeP.LowerBound; i < rangeP.UpperBound; ++i)
{
double logicalX = layer.XAxis.PhysicalVariantToNormal(previousData.GetXPhysical(i + rangeP.OffsetToOriginal));
if (Math.Abs(logicalX - firstLogicalX) < minDistanceToFirst)
{
minDistanceToFirst = Math.Abs(logicalX - firstLogicalX);
minIdxFirst = i;
}
if (Math.Abs(logicalX - lastLogicalX) < minDistanceToLast)
{
minDistanceToLast = Math.Abs(logicalX - lastLogicalX);
minIdxLast = i;
}
}
}
// if nothing found, use the outmost boundaries of the plot points of the other data item
if (minIdxFirst < 0)
minIdxFirst = 0;
if (minIdxLast < 0)
minIdxLast = previousData.PlotPointsInAbsoluteLayerCoordinates.Length - 1;
PointF[] otherLinePoints = new PointF[minIdxLast + 1 - minIdxFirst];
Array.Copy(previousData.PlotPointsInAbsoluteLayerCoordinates, minIdxFirst, otherLinePoints, 0, otherLinePoints.Length);
Array.Reverse(otherLinePoints);
// now paint this
GraphicsPath gp = new GraphicsPath();
var layerSize = layer.Size;
gp.StartFigure();
gp.AddLines(linepts);
gp.AddLines(otherLinePoints);
gp.CloseFigure();
if (_fillBrush.IsVisible)
{
g.FillPath(this._fillBrush, gp);
}
if (null != _framePen)
g.DrawPath(_framePen, gp);
gp.Reset();
} // end function PaintOneRange
protected void PaintOneRange(Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
const double logicalClampMinimum = -10;
const double logicalClampMaximum = 11;
// Plot error bars for the dependent variable (y)
var columnX = ColumnX;
var columnY = ColumnY;
if (columnX == null || columnY == null)
return; // nothing to do if both error columns are null
if (!typeof(double).IsAssignableFrom(columnX.ItemType) || !typeof(double).IsAssignableFrom(columnY.ItemType))
return; // TODO make this an runtime paint error to be reported
var strokePen = _strokePen.Clone();
using (GraphicsPath isoLine = new GraphicsPath())
{
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
int originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
double symbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(originalRowIndex);
strokePen.Width = (_lineWidth1Offset + _lineWidth1Factor * symbolSize);
if (null != _cachedColorForIndexFunction)
strokePen.Color = GdiColorHelper.ToNamedColor(_cachedColorForIndexFunction(originalRowIndex), "VariableColor");
if (!(strokePen.EndCap is LineCaps.FlatCap))
strokePen.EndCap = strokePen.EndCap.WithMinimumAbsoluteAndRelativeSize(symbolSize * _endCapSizeFactor + _endCapSizeOffset, 1 + 1E-6);
// Calculate target
AltaxoVariant targetX, targetY;
switch (_meaningOfValues)
{
case ValueInterpretation.AbsoluteDifference:
{
targetX = pdata.GetXPhysical(originalRowIndex) + columnX[originalRowIndex];
targetY = pdata.GetYPhysical(originalRowIndex) + columnY[originalRowIndex];
}
break;
case ValueInterpretation.AbsoluteValue:
{
targetX = columnX[originalRowIndex];
targetY = columnY[originalRowIndex];
}
break;
default:
throw new NotImplementedException(nameof(_meaningOfValues));
}
var logicalTarget = layer.GetLogical3D(targetX, targetY);
var logicalOrigin = layer.GetLogical3D(pdata, originalRowIndex);
if (!_independentOnShiftingGroupStyles && (0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY))
{
logicalOrigin.RX += _cachedLogicalShiftX;
logicalOrigin.RY += _cachedLogicalShiftY;
logicalTarget.RX += _cachedLogicalShiftX;
logicalTarget.RY += _cachedLogicalShiftY;
}
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RX, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RY, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalOrigin.RZ, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RX, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RY, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalTarget.RZ, logicalClampMinimum, logicalClampMaximum))
continue;
isoLine.Reset();
layer.CoordinateSystem.GetIsoline(isoLine, logicalOrigin, logicalTarget);
if (null == isoLine)
continue;
PointF[] isoLinePathPoints = null;
if (_useManualVectorLength)
{
isoLine.Flatten();
isoLinePathPoints = isoLine.PathPoints;
double length = _vectorLengthOffset + _vectorLengthFactor * symbolSize;
double isoLineLength = isoLinePathPoints.TotalLineLength();
isoLinePathPoints = isoLinePathPoints.ShortenedBy(RADouble.NewAbs(0), RADouble.NewAbs(isoLineLength - length));
if (null == isoLine)
continue;
}
if (_useSymbolGap)
{
if (null == isoLinePathPoints)
{
isoLine.Flatten();
isoLinePathPoints = isoLine.PathPoints;
}
double gap = _symbolGapOffset + _symbolGapFactor * symbolSize;
if (gap != 0)
{
isoLinePathPoints = isoLinePathPoints.ShortenedBy(RADouble.NewAbs(gap / 2), RADouble.NewAbs(0));
if (null == isoLine)
continue;
}
}
if (null != isoLinePathPoints)
g.DrawLines(_strokePen, isoLinePathPoints);
else
g.DrawPath(strokePen, isoLine);
}
}
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, Processed2DPlotData pdata)
{
PlotRangeList rangeList = pdata.RangeList;
System.Drawing.PointF[] ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
// paint the drop style
double xleft, xright, ytop, ybottom;
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(0, 0), out xleft, out ybottom);
layer.CoordinateSystem.LogicalToLayerCoordinates(new Logical3D(1, 1), out xright, out ytop);
float xe = (float)xright;
float ye = (float)ybottom;
GraphicsPath path = new GraphicsPath();
double globalBaseValue;
if (_usePhysicalBaseValue)
{
globalBaseValue = layer.YAxis.PhysicalVariantToNormal(_baseValue);
if (double.IsNaN(globalBaseValue))
{
globalBaseValue = 0;
}
}
else
{
globalBaseValue = _baseValue.ToDouble();
}
int j = -1;
foreach (int originalRowIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
double xcn = layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalRowIndex));
double xln = xcn + _position;
double xrn = xln + _width;
double ycn = layer.YAxis.PhysicalVariantToNormal(pdata.GetYPhysical(originalRowIndex));
double ynbase = globalBaseValue;
if (_startAtPreviousItem && pdata.PreviousItemData != null)
{
double prevstart = layer.YAxis.PhysicalVariantToNormal(pdata.PreviousItemData.GetYPhysical(originalRowIndex));
if (!double.IsNaN(prevstart))
{
ynbase = prevstart;
ynbase += Math.Sign(ynbase - globalBaseValue) * _previousItemYGap;
}
}
path.Reset();
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ynbase), new Logical3D(xln, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xln, ycn), new Logical3D(xrn, ycn));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ycn), new Logical3D(xrn, ynbase));
layer.CoordinateSystem.GetIsoline(path, new Logical3D(xrn, ynbase), new Logical3D(xln, ynbase));
path.CloseFigure();
_fillBrush.Rectangle = path.GetBounds();
g.FillPath(_fillBrush, path);
if (_framePen != null)
{
_framePen.BrushRectangle = path.GetBounds();
g.DrawPath(_framePen, path);
}
}
}
public void Paint(System.Drawing.Graphics g, IPlotArea layer, PlotItemCollection coll)
{
Dictionary <G2DPlotItem, Processed2DPlotData> plotDataDict;
if (!CanUseStyle(layer, coll, out plotDataDict))
{
CoordinateTransformingStyleBase.Paint(g, layer, coll);
return;
}
AltaxoVariant[] yArray = null;
// First, add up all items since we start always with the last item
int idx = -1;
Processed2DPlotData previousItemData = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
idx++;
G2DPlotItem gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
yArray = AddUp(yArray, pdata);
if (idx > 0) // this is not the first item
{
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
Logical3D rel = new Logical3D(
layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalIndex)),
layer.YAxis.PhysicalVariantToNormal(yArray[j]));
double xabs, yabs;
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out xabs, out yabs);
pdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
}
// we have also to exchange the accessor for the physical y value and replace it by our own one
AltaxoVariant[] localArray = (AltaxoVariant[])yArray.Clone();
pdata.YPhysicalAccessor = new IndexedPhysicalValueAccessor(delegate(int i) { return(localArray[i]); });
pdata.PreviousItemData = previousItemData;
previousItemData = pdata;
}
}
for (int i = coll.Count - 1; i >= 0; --i)
{
IGPlotItem pi = coll[i];
if (pi is G2DPlotItem)
{
G2DPlotItem gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
gpi.Paint(g, layer, pdata);
}
else
{
pi.Paint(g, layer);
}
}
}
