/// <inheritdoc/>
public override void FillOneRange(
GraphicsPath gp,
Processed2DPlotData pdata,
IPlotRange range,
IPlotArea layer,
CSPlaneID fillDirection,
bool ignoreMissingDataPoints,
bool connectCircular,
PointF[] allLinePointsShiftedAlready,
double logicalShiftX,
double logicalShiftY
)
{
if (range.Length < 2)
{
return;
}
PointF[] linePoints = Segment2Connection_GetSubPoints(allLinePointsShiftedAlready, range, layer, connectCircular, out var lastIdx);
if (connectCircular)
{
gp.AddLines(linePoints);
gp.CloseFigure();
}
else
{
int offs = range.LowerBound;
for (int i = 0; i < linePoints.Length - 1; i += 2)
{
Logical3D r0 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
r0.RX += logicalShiftX;
r0.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPlaneToPoint(gp, fillDirection, r0);
gp.AddLine(linePoints[i].X, linePoints[i].Y, linePoints[i + 1].X, linePoints[i + 1].Y);
Logical3D r1 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + 1));
r1.RX += logicalShiftX;
r1.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPointToPlane(gp, r1, fillDirection);
layer.CoordinateSystem.GetIsolineOnPlane(gp, fillDirection, r1, r0);
gp.StartFigure();
}
gp.CloseFigure();
}
}
/// <summary>
/// Template to get a fill path.
/// </summary>
/// <param name="gp">Graphics path to fill with data.</param>
/// <param name="pdata">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="fillDirection">Designates a bound to fill to.</param>
/// <param name="linePoints">The points that mark the line.</param>
/// <param name="connectCircular">If true, a circular connection is drawn.</param>
private void FillOneRange_PreprocessedPoints(
GraphicsPath gp,
Processed2DPlotData pdata,
IPlotRange range,
IPlotArea layer,
CSPlaneID fillDirection,
PointF[] linePoints,
bool connectCircular,
double logicalShiftX,
double logicalShiftY
)
{
if (connectCircular)
{
gp.AddBeziers(linePoints);
gp.CloseFigure();
}
else
{
Logical3D r0 = layer.GetLogical3D(pdata, range.OriginalFirstPoint);
r0.RX += logicalShiftX;
r0.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPlaneToPoint(gp, fillDirection, r0);
gp.AddBeziers(linePoints);
Logical3D r1 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + linePoints.Length - 1));
r1.RX += logicalShiftX;
r1.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPointToPlane(gp, r1, fillDirection);
layer.CoordinateSystem.GetIsolineOnPlane(gp, fillDirection, r1, r0);
gp.CloseFigure();
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func<int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
int lastIdx;
PointF[] subLinePoints = Segment2Connection_GetSubPoints(allLinePoints, range, layer, connectCircular, out lastIdx);
GraphicsPath gp = new GraphicsPath();
int i;
// special efforts are necessary to realize a line/symbol gap
// I decided to use a path for this
// and hope that not so many segments are added to the path due
// to the exclusion criteria that a line only appears between two symbols (rel<0.5)
// if the symbols do not overlap. So for a big array of points it is very likely
// that the symbols overlap and no line between the symbols needs to be plotted
if (null != symbolGap)
{
float startx, starty, stopx, stopy;
for (i = 0; i < lastIdx; i += 2)
{
var diff = GdiExtensionMethods.Subtract(subLinePoints[i + 1], subLinePoints[i]);
var diffLength = GdiExtensionMethods.VectorLength(diff);
int originalIndex = range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i);
double gapAtStart = 0 == i % skipFrequency ? symbolGap(originalIndex) : 0;
double gapAtEnd;
if ((0 == (i + 1) % skipFrequency) || ((i + 1) == range.Length))
{
gapAtEnd = ((i + 1) != range.Length) ? symbolGap(originalIndex + 1) : symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound));
}
else
{
gapAtEnd = 0;
}
var relAtStart = (float)(0.5 * gapAtStart / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
var relAtEnd = (float)(0.5 * gapAtEnd / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
if ((relAtStart + relAtEnd) < 1) // a line only appears if sum of the gaps is smaller than 1
{
startx = subLinePoints[i].X + relAtStart * diff.X;
starty = subLinePoints[i].Y + relAtStart * diff.Y;
stopx = subLinePoints[i + 1].X - relAtEnd * diff.X;
stopy = subLinePoints[i + 1].Y - relAtEnd * diff.Y;
gp.AddLine(startx, starty, stopx, stopy);
gp.StartFigure();
}
} // end for
g.DrawPath(linePen, gp);
gp.Reset();
}
else // no line symbol gap required, so we can use DrawLines to draw the lines
{
for (i = 0; i < lastIdx; i += 2)
{
gp.AddLine(subLinePoints[i].X, subLinePoints[i].Y, subLinePoints[i + 1].X, subLinePoints[i + 1].Y);
gp.StartFigure();
} // end for
g.DrawPath(linePen, gp);
gp.Reset();
}
}
/// <inheritdoc/>
public override void FillOneRange(
GraphicsPath gp,
Processed2DPlotData pdata,
IPlotRange range,
IPlotArea layer,
CSPlaneID fillDirection,
bool ignoreMissingDataPoints,
bool connectCircular,
PointF[] allLinePointsShiftedAlready,
double logicalShiftX,
double logicalShiftY
)
{
if (range.Length < 2)
return;
int lastIdx;
PointF[] linePoints = Segment2Connection_GetSubPoints(allLinePointsShiftedAlready, range, layer, connectCircular, out lastIdx);
if (connectCircular)
{
gp.AddLines(linePoints);
gp.CloseFigure();
}
else
{
int offs = range.LowerBound;
for (int i = 0; i < linePoints.Length - 1; i += 2)
{
Logical3D r0 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
r0.RX += logicalShiftX;
r0.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPlaneToPoint(gp, fillDirection, r0);
gp.AddLine(linePoints[i].X, linePoints[i].Y, linePoints[i + 1].X, linePoints[i + 1].Y);
Logical3D r1 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + 1));
r1.RX += logicalShiftX;
r1.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPointToPlane(gp, r1, fillDirection);
layer.CoordinateSystem.GetIsolineOnPlane(gp, fillDirection, r1, r0);
gp.StartFigure();
}
gp.CloseFigure();
}
}
public void PaintOneRange(Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
if (this._labelColumnProxy.Document == null)
return;
_cachedStringFormat.Alignment = GdiExtensionMethods.ToGdi(_alignmentX);
_cachedStringFormat.LineAlignment = GdiExtensionMethods.ToGdi(_alignmentY);
if (null != _attachedPlane)
_attachedPlane = layer.UpdateCSPlaneID(_attachedPlane);
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
Altaxo.Data.IReadableColumn labelColumn = this._labelColumnProxy.Document;
bool isUsingVariableColorForLabelText = null != _cachedColorForIndexFunction && IsColorReceiver;
bool isUsingVariableColorForLabelBackground = null != _cachedColorForIndexFunction &&
(null != _backgroundStyle && _backgroundStyle.SupportsBrush && (_backgroundColorLinkage == ColorLinkage.Dependent || _backgroundColorLinkage == ColorLinkage.PreserveAlpha));
bool isUsingVariableColor = isUsingVariableColorForLabelText || isUsingVariableColorForLabelBackground;
BrushX clonedTextBrush = null;
BrushX clonedBackBrush = null;
if (isUsingVariableColorForLabelText)
clonedTextBrush = _brush.Clone();
if (isUsingVariableColorForLabelBackground)
clonedBackBrush = _backgroundStyle.Brush.Clone();
// save the graphics stat since we have to translate the origin
var gs = g.Save();
double xpos = 0, ypos = 0;
double xpre, ypre;
double xdiff, ydiff;
bool isFormatStringContainingBraces = _labelFormatString?.IndexOf('{') >= 0;
var culture = System.Threading.Thread.CurrentThread.CurrentCulture;
bool mustUseLogicalCoordinates = null != this._attachedPlane || 0 != _cachedLogicalShiftX || 0 != _cachedLogicalShiftY;
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j+=_skipFrequency)
{
int originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
string label;
if (string.IsNullOrEmpty(_labelFormatString))
{
label = labelColumn[originalRowIndex].ToString();
}
else if (!isFormatStringContainingBraces)
{
label = labelColumn[originalRowIndex].ToString(_labelFormatString, culture);
}
else
{
// the label format string can contain {0} for the label column item, {1} for the row index, {2} .. {4} for the x, y and z component of the data point
label = string.Format(_labelFormatString, labelColumn[originalRowIndex], originalRowIndex, pdata.GetPhysical(0, originalRowIndex), pdata.GetPhysical(1, originalRowIndex), pdata.GetPhysical(2, originalRowIndex));
}
if (string.IsNullOrEmpty(label))
continue;
double localSymbolSize = _symbolSize;
if (null != _cachedSymbolSizeForIndexFunction)
{
localSymbolSize = _cachedSymbolSizeForIndexFunction(originalRowIndex);
}
double localFontSize = _fontSizeOffset + _fontSizeFactor * localSymbolSize;
if (!(localFontSize > 0))
continue;
_font = _font.WithSize(localFontSize);
// Start of preparation of brushes, if a variable color is used
if (isUsingVariableColor)
{
Color c = _cachedColorForIndexFunction(originalRowIndex);
if (isUsingVariableColorForLabelText)
{
clonedTextBrush.Color = new NamedColor(AxoColor.FromArgb(c.A, c.R, c.G, c.B), "e");
}
if (isUsingVariableColorForLabelBackground)
{
if (_backgroundColorLinkage == ColorLinkage.PreserveAlpha)
clonedBackBrush.Color = new NamedColor(AxoColor.FromArgb(clonedBackBrush.Color.Color.A, c.R, c.G, c.B), "e");
else
clonedBackBrush.Color = new NamedColor(AxoColor.FromArgb(c.A, c.R, c.G, c.B), "e");
}
}
// end of preparation of brushes for variable colors
if (mustUseLogicalCoordinates) // we must use logical coordinates because either there is a shift of logical coordinates, or an attached plane
{
Logical3D r3d = layer.GetLogical3D(pdata, originalRowIndex);
r3d.RX += _cachedLogicalShiftX;
r3d.RY += _cachedLogicalShiftY;
if (null != this._attachedPlane)
{
var pp = layer.CoordinateSystem.GetPointOnPlane(this._attachedPlane, r3d);
xpre = pp.X;
ypre = pp.Y;
}
else
{
PointD3D pt;
layer.CoordinateSystem.LogicalToLayerCoordinates(r3d, out xpre, out ypre);
}
}
else // no shifting, thus we can use layer coordinates
{
xpre = ptArray[j].X;
ypre = ptArray[j].Y;
}
xdiff = xpre - xpos;
ydiff = ypre - ypos;
xpos = xpre;
ypos = ypre;
g.TranslateTransform((float)xdiff, (float)ydiff);
if (this._rotation != 0)
g.RotateTransform((float)-this._rotation);
this.PaintOneItem(g, label, localSymbolSize, clonedTextBrush, clonedBackBrush);
if (this._rotation != 0)
g.RotateTransform((float)this._rotation);
}
g.Restore(gs); // Restore the graphics state
}
protected static IEnumerable <SegmentRange> GetSegmentRanges(
IPlotRange range,
Func <int, double> symbolGap,
int skipFrequency, bool connectCircular)
{
int lengthNonCircular = range.Length;
int lengthCircularMinus1 = range.Length - 1 + (connectCircular ? 1 : 0);
// SubRange is a number of consecutive line segments, with joints where the symbol gap is zero
double gapAtSubRangeStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound)); // start index of the subrange
double gapAtSubRangeEnd = 0;
int indexAtSubRangeEnd;
for (int indexAtSubRangeStart = 0; indexAtSubRangeStart < lengthCircularMinus1; indexAtSubRangeStart = indexAtSubRangeEnd, gapAtSubRangeStart = gapAtSubRangeEnd)
{
// search for the last index of this subrange, i.e. for a point where the gap is non-zero
for (indexAtSubRangeEnd = indexAtSubRangeStart + 1, gapAtSubRangeEnd = 0; indexAtSubRangeEnd < lengthNonCircular; ++indexAtSubRangeEnd)
{
if (0 == indexAtSubRangeEnd % skipFrequency) // calculate gap only if in skip period
{
gapAtSubRangeEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + indexAtSubRangeEnd));
}
if (0 != gapAtSubRangeEnd)
{
break;
}
}
// if this is circular connected and is the last point, then use the gap of the very first point
if (connectCircular && indexAtSubRangeEnd == lengthNonCircular)
{
gapAtSubRangeEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound));
}
// test if this is a closed polygon without any gaps -> draw a closed polygon and return
if (connectCircular && 0 == gapAtSubRangeStart && indexAtSubRangeEnd == (lengthCircularMinus1 + 1))
{
// use the whole circular array to draw a closed polygon without any gaps
yield return(new SegmentRange()
{
IsFullRangeClosedCurve = true,
IndexAtSubRangeStart = indexAtSubRangeStart,
IndexAtSubRangeEnd = indexAtSubRangeStart,
GapAtSubRangeStart = 0,
GapAtSubRangeEnd = 0
});
break;
}
// adjust the end index to be valid
if (!(indexAtSubRangeEnd <= lengthCircularMinus1))
{
indexAtSubRangeEnd = lengthCircularMinus1;
}
yield return(new SegmentRange()
{
IsFullRangeClosedCurve = false,
IndexAtSubRangeStart = indexAtSubRangeStart,
IndexAtSubRangeEnd = indexAtSubRangeEnd,
GapAtSubRangeStart = gapAtSubRangeStart,
GapAtSubRangeEnd = gapAtSubRangeEnd
});
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func<int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
if (range.Length < 2)
return;
int lastIdx;
int numberOfPointsPerOriginalPoint;
PointF[] stepPolylinePoints = GetStepPolylinePoints(allLinePoints, range, layer, connectCircular, out numberOfPointsPerOriginalPoint, out lastIdx);
GraphicsPath gp = new GraphicsPath();
if (null != symbolGap)
{
int end = range.UpperBound - 1;
var subPointsLength = skipFrequency * numberOfPointsPerOriginalPoint + 1;
for (int i = 0; i < range.Length; i += skipFrequency)
{
int partialPolylineLength = Math.Min(subPointsLength, stepPolylinePoints.Length - numberOfPointsPerOriginalPoint * i);
if (partialPolylineLength < 2)
continue; // happens probably at the end of the range if there are not enough points to draw
double gapAtStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
double gapAtEnd;
if (connectCircular && skipFrequency >= (range.Length - i))
gapAtEnd = symbolGap(range.OriginalFirstPoint);
else if (skipFrequency <= (range.Length - 1 - i))
gapAtEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + skipFrequency));
else
gapAtEnd = 0;
int startOfPartialPolyline = numberOfPointsPerOriginalPoint * i;
var shortenedPolyline = stepPolylinePoints.ShortenPartialPolylineByDistanceFromStartAndEnd(startOfPartialPolyline, startOfPartialPolyline + partialPolylineLength - 1, gapAtStart / 2, gapAtEnd / 2);
if (null != shortenedPolyline)
g.DrawLines(linePen, shortenedPolyline);
}
}
else
{
if (connectCircular)
g.DrawPolygon(linePen, stepPolylinePoints);
else
g.DrawLines(linePen, stepPolylinePoints);
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func<int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
// Bezier is only supported with point numbers n=4+3*k
// so trim the range appropriately
if (range.Length < 4)
return; // then too less points are in this range
if (connectCircular)
{
var circularLinePointsLengthM1 = 2 + TrimToValidBezierLength(range.Length);
var circularLinePoints = new PointF[circularLinePointsLengthM1 + 1];
Array.Copy(allLinePoints, range.LowerBound, circularLinePoints, 0, range.Length); // Extract
circularLinePoints[circularLinePointsLengthM1] = circularLinePoints[0];
// amend missing control points
if (circularLinePointsLengthM1 - range.Length >= 1)
circularLinePoints[circularLinePointsLengthM1 - 1] = GdiExtensionMethods.Interpolate(circularLinePoints[circularLinePointsLengthM1 - 3], circularLinePoints[circularLinePointsLengthM1], 0.5); // Last Control point should be halfway between
if (circularLinePointsLengthM1 - range.Length >= 2)
circularLinePoints[circularLinePointsLengthM1 - 2] = GdiExtensionMethods.Interpolate(circularLinePoints[circularLinePointsLengthM1 - 3], circularLinePoints[circularLinePointsLengthM1], 0.5); // Middle Control point should be halfway between previous fixed point and last(=first) fixed point
if (null != symbolGap) // circular with symbol gap
{
var realSkipFrequency = skipFrequency % 3 == 0 ? skipFrequency : skipFrequency * 3; // least common multiple of skipFrequency and 3
for (int i = 0; i < range.Length; i += realSkipFrequency)
{
var skipLinePointsLength = Math.Min(realSkipFrequency + 1, TrimToValidBezierLength(circularLinePoints.Length - i));
if (skipLinePointsLength >= 4)
{
var skipLinePoints = new PointF[skipLinePointsLength];
Array.Copy(circularLinePoints, i, skipLinePoints, 0, skipLinePointsLength); // Extract
var gapAtStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
double gapAtEnd;
if (connectCircular && realSkipFrequency >= (range.Length - 1 - i))
gapAtEnd = symbolGap(range.OriginalFirstPoint);
else if (realSkipFrequency <= (range.Length - 1 - i))
gapAtEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + realSkipFrequency));
else
gapAtEnd = 0;
if (gapAtStart != 0 || gapAtEnd != 0)
{
skipLinePoints = GdiExtensionMethods.ShortenBezierCurve(skipLinePoints, gapAtStart / 2, gapAtEnd / 2);
}
if (null != skipLinePoints)
{
g.DrawBeziers(linePen, skipLinePoints);
}
}
}
}
else // circular without symbol gap
{
g.DrawBeziers(linePen, circularLinePoints);
}
}
else // not circular
{
if (null != symbolGap) // not circular with symbol gap
{
var realSkipFrequency = skipFrequency % 3 == 0 ? skipFrequency : skipFrequency * 3; // least common multiple of skipFrequency and 3
for (int i = 0; i < range.Length; i += realSkipFrequency)
{
var skipLinePointsLength = Math.Min(realSkipFrequency + 1, TrimToValidBezierLength(range.Length - i));
if (skipLinePointsLength >= 4)
{
var skipLinePoints = new PointF[skipLinePointsLength];
Array.Copy(allLinePoints, range.LowerBound + i, skipLinePoints, 0, skipLinePointsLength); // Extract
var gapAtStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
var gapAtEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + skipLinePointsLength - 1));
if (gapAtStart != 0 || gapAtEnd != 0)
{
skipLinePoints = GdiExtensionMethods.ShortenBezierCurve(skipLinePoints, gapAtStart / 2, gapAtEnd / 2);
}
if (null != skipLinePoints)
{
g.DrawBeziers(linePen, skipLinePoints);
}
}
}
}
else // not circular without symbol gap
{
var trimmedLength = TrimToValidBezierLength(range.Length);
var subLinePoints = new PointF[trimmedLength];
Array.Copy(allLinePoints, range.LowerBound, subLinePoints, 0, trimmedLength); // Extract
g.DrawBeziers(linePen, subLinePoints);
}
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func <int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
PointF[] subLinePoints = Segment2Connection_GetSubPoints(allLinePoints, range, layer, connectCircular, out var lastIdx);
var gp = new GraphicsPath();
int i;
// special efforts are necessary to realize a line/symbol gap
// I decided to use a path for this
// and hope that not so many segments are added to the path due
// to the exclusion criteria that a line only appears between two symbols (rel<0.5)
// if the symbols do not overlap. So for a big array of points it is very likely
// that the symbols overlap and no line between the symbols needs to be plotted
if (null != symbolGap)
{
float startx, starty, stopx, stopy;
for (i = 0; i < lastIdx; i += 2)
{
var diff = GdiExtensionMethods.Subtract(subLinePoints[i + 1], subLinePoints[i]);
var diffLength = GdiExtensionMethods.VectorLength(diff);
int originalIndex = range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i);
double gapAtStart = 0 == i % skipFrequency ? symbolGap(originalIndex) : 0;
double gapAtEnd;
if ((0 == (i + 1) % skipFrequency) || ((i + 1) == range.Length))
{
gapAtEnd = ((i + 1) != range.Length) ? symbolGap(originalIndex + 1) : symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound));
}
else
{
gapAtEnd = 0;
}
var relAtStart = (float)(0.5 * gapAtStart / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
var relAtEnd = (float)(0.5 * gapAtEnd / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
if ((relAtStart + relAtEnd) < 1) // a line only appears if sum of the gaps is smaller than 1
{
startx = subLinePoints[i].X + relAtStart * diff.X;
starty = subLinePoints[i].Y + relAtStart * diff.Y;
stopx = subLinePoints[i + 1].X - relAtEnd * diff.X;
stopy = subLinePoints[i + 1].Y - relAtEnd * diff.Y;
gp.AddLine(startx, starty, stopx, stopy);
gp.StartFigure();
}
} // end for
g.DrawPath(linePen, gp);
gp.Reset();
}
else // no line symbol gap required, so we can use DrawLines to draw the lines
{
for (i = 0; i < lastIdx; i += 2)
{
gp.AddLine(subLinePoints[i].X, subLinePoints[i].Y, subLinePoints[i + 1].X, subLinePoints[i + 1].Y);
gp.StartFigure();
} // end for
g.DrawPath(linePen, gp);
gp.Reset();
}
}
protected void PaintOneRange(int axisNumber, Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
const double logicalClampMinimum = -10;
const double logicalClampMaximum = 11;
_skipFrequency = Math.Max(1, _skipFrequency);
// Plot error bars for the dependent variable (y)
var ptArray = pdata.PlotPointsInAbsoluteLayerCoordinates;
var posErrCol = PositiveErrorColumn;
var negErrCol = NegativeErrorColumn;
if (null != posErrCol && !typeof(double).IsAssignableFrom(posErrCol.ItemType))
posErrCol = null; // TODO make this an runtime paint error to be reported
if (null != negErrCol && !typeof(double).IsAssignableFrom(negErrCol.ItemType))
negErrCol = null; // TODO make this an runtime paint error to be reported
if (posErrCol == null && negErrCol == null)
return; // nothing to do if both error columns are null
var strokePen = _pen.Clone();
System.Drawing.Drawing2D.GraphicsPath errorBarPath = new System.Drawing.Drawing2D.GraphicsPath();
Region oldClippingRegion = g.Clip;
Region newClip = (Region)oldClippingRegion.Clone();
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 (null != strokePen.EndCap)
strokePen.EndCap = strokePen.EndCap.WithMinimumAbsoluteAndRelativeSize(symbolSize * _endCapSizeFactor + _endCapSizeOffset, 1 + 1E-6);
AltaxoVariant vMeanPhysical = pdata.GetPhysical(axisNumber, originalRowIndex);
Logical3D logicalMean = layer.GetLogical3D(pdata, originalRowIndex);
logicalMean.RX += _cachedLogicalShiftX;
logicalMean.RY += _cachedLogicalShiftY;
if (!Calc.RMath.IsInIntervalCC(logicalMean.RX, logicalClampMinimum, logicalClampMaximum))
continue;
if (!Calc.RMath.IsInIntervalCC(logicalMean.RY, logicalClampMinimum, logicalClampMaximum))
continue;
var vMeanLogical = logicalMean.GetR(axisNumber);
Logical3D logicalPos = logicalMean;
Logical3D logicalNeg = logicalMean;
bool logicalPosValid = false;
bool logicalNegValid = false;
switch (_meaningOfValues)
{
case ValueInterpretation.AbsoluteError:
{
if (posErrCol != null)
{
var vPosLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(vMeanPhysical + Math.Abs(posErrCol[originalRowIndex]));
vPosLogical = Calc.RMath.ClampToInterval(vPosLogical, logicalClampMinimum, logicalClampMaximum);
logicalPos.SetR(axisNumber, vPosLogical);
logicalPosValid = !logicalPos.IsNaN && vPosLogical != vMeanLogical;
}
if (negErrCol != null)
{
var vNegLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(vMeanPhysical - Math.Abs(negErrCol[originalRowIndex]));
vNegLogical = Calc.RMath.ClampToInterval(vNegLogical, logicalClampMinimum, logicalClampMaximum);
logicalNeg.SetR(axisNumber, vNegLogical);
logicalNegValid = !logicalNeg.IsNaN && vNegLogical != vMeanLogical;
}
}
break;
case ValueInterpretation.RelativeError:
{
if (posErrCol != null)
{
var vPosLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(vMeanPhysical * (1 + Math.Abs(posErrCol[originalRowIndex])));
vPosLogical = Calc.RMath.ClampToInterval(vPosLogical, logicalClampMinimum, logicalClampMaximum);
logicalPos.SetR(axisNumber, vPosLogical);
logicalPosValid = !logicalPos.IsNaN && vPosLogical != vMeanLogical;
}
if (negErrCol != null)
{
var vNegLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(vMeanPhysical * (1 - Math.Abs(negErrCol[originalRowIndex])));
vNegLogical = Calc.RMath.ClampToInterval(vNegLogical, logicalClampMinimum, logicalClampMaximum);
logicalNeg.SetR(axisNumber, vNegLogical);
logicalNegValid = !logicalNeg.IsNaN && vNegLogical != vMeanLogical;
}
}
break;
case ValueInterpretation.AbsoluteValue:
{
if (posErrCol != null)
{
var vPosLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(posErrCol[originalRowIndex]);
vPosLogical = Calc.RMath.ClampToInterval(vPosLogical, logicalClampMinimum, logicalClampMaximum);
logicalPos.SetR(axisNumber, vPosLogical);
logicalPosValid = !logicalPos.IsNaN && vPosLogical != vMeanLogical;
}
if (negErrCol != null)
{
var vNegLogical = layer.Scales[axisNumber].PhysicalVariantToNormal(negErrCol[originalRowIndex]);
vNegLogical = Calc.RMath.ClampToInterval(vNegLogical, logicalClampMinimum, logicalClampMaximum);
logicalNeg.SetR(axisNumber, vNegLogical);
logicalNegValid = !logicalNeg.IsNaN && vNegLogical != vMeanLogical;
}
if (object.ReferenceEquals(negErrCol, posErrCol))
{
logicalNegValid = false; // then we need only to plot the positive column, since both colums are identical
}
}
break;
} // end switch
if (!(logicalPosValid || logicalNegValid))
continue; // nothing to do for this point if both pos and neg logical point are invalid.
if (logicalNegValid)
{
errorBarPath.Reset();
layer.CoordinateSystem.GetIsoline(errorBarPath, logicalMean, logicalNeg);
PointF[] shortenedPathPoints = null;
bool shortenedPathPointsCalculated = false;
if (_useSymbolGap)
{
double gap = _symbolGapOffset + _symbolGapFactor * symbolSize;
if (gap > 0)
{
errorBarPath.Flatten();
var pathPoints = errorBarPath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gap / 2), RADouble.NewAbs(0));
shortenedPathPointsCalculated = true;
if (null == shortenedPathPoints && _forceVisibilityOfEndCap && !(strokePen.EndCap is Altaxo.Graph.Gdi.LineCaps.FlatCap))
{
var totalLineLength = GdiExtensionMethods.TotalLineLength(pathPoints);
var shortTheLineBy = Math.Max(0, totalLineLength - 0.125 * strokePen.Width);
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(shortTheLineBy), RADouble.NewAbs(0));
}
}
}
if (shortenedPathPointsCalculated)
{
if (null != shortenedPathPoints)
{
g.DrawLines(strokePen, shortenedPathPoints);
}
}
else
{
g.DrawPath(strokePen, errorBarPath);
}
}
if (logicalPosValid)
{
errorBarPath.Reset();
layer.CoordinateSystem.GetIsoline(errorBarPath, logicalMean, logicalPos);
PointF[] shortenedPathPoints = null;
bool shortenedPathPointsCalculated = false;
if (_useSymbolGap)
{
double gap = _symbolGapOffset + _symbolGapFactor * symbolSize;
if (gap > 0)
{
errorBarPath.Flatten();
var pathPoints = errorBarPath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gap / 2), RADouble.NewAbs(0));
shortenedPathPointsCalculated = true;
if (null == shortenedPathPoints && _forceVisibilityOfEndCap && !(strokePen.EndCap is Altaxo.Graph.Gdi.LineCaps.FlatCap))
{
var totalLineLength = GdiExtensionMethods.TotalLineLength(pathPoints);
var shortTheLineBy = Math.Max(0, totalLineLength - 0.125 * strokePen.Width);
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(shortTheLineBy), RADouble.NewAbs(0));
}
}
}
if (shortenedPathPointsCalculated)
{
if (null != shortenedPathPoints)
{
g.DrawLines(strokePen, shortenedPathPoints);
}
}
else
{
g.DrawPath(strokePen, errorBarPath);
}
}
}
g.Clip = oldClippingRegion;
}
private void PaintOneRange(Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
// adjust the skip frequency if it was not set appropriate
if (_skipFrequency <= 0)
{
_skipFrequency = 1;
}
var dropTargets = new List <CSPlaneID>(_dropTargets.Select(id => layer.UpdateCSPlaneID(id)));
if (_additionalDropTargetIsEnabled)
{
CSPlaneID userPlane;
if (_additionalDropTargetUsePhysicalBaseValue)
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, layer.Scales[_additionalDropTargetPerpendicularAxis].PhysicalVariantToNormal(_additionalDropTargetBaseValue));
}
else
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, _additionalDropTargetBaseValue);
}
dropTargets.Add(userPlane);
}
// paint the scatter style
PointD3D pos = PointD3D.Empty;
var gpath = new GraphicsPath();
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size and constant color
{
// update pen widths
var pen = _pen.Clone();
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
pen.Width = w1;
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
var originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
Logical3D r3d = layer.GetLogical3D(pdata, originalRowIndex);
r3d.RX += _cachedLogicalShiftX;
r3d.RY += _cachedLogicalShiftY;
foreach (CSPlaneID id in dropTargets)
{
gpath.Reset();
layer.CoordinateSystem.GetIsolineFromPointToPlane(gpath, r3d, id);
PointF[] shortenedPathPoints = null;
if (gapStart != 0 || gapEnd != 0)
{
gpath.Flatten();
var pathPoints = gpath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
if (null != shortenedPathPoints)
{
g.DrawLines(pen, shortenedPathPoints);
}
}
else
{
g.DrawPath(pen, gpath);
}
}
}
}
else // using a variable symbol size or variable symbol color
{
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
var originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
var pen = _pen.Clone();
if (null == _cachedColorForIndexFunction)
{
_cachedSymbolSize = _cachedSymbolSizeForIndexFunction(originalRowIndex);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
pen.Width = w1;
}
else
{
_cachedSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _cachedSymbolSize : _cachedSymbolSizeForIndexFunction(originalRowIndex);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
var customSymbolColor = _cachedColorForIndexFunction(originalRowIndex);
pen.Width = w1;
pen.Color = NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B);
}
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
Logical3D r3d = layer.GetLogical3D(pdata, originalRowIndex);
r3d.RX += _cachedLogicalShiftX;
r3d.RY += _cachedLogicalShiftY;
foreach (CSPlaneID id in _dropTargets)
{
gpath.Reset();
layer.CoordinateSystem.GetIsolineFromPointToPlane(gpath, r3d, id);
PointF[] shortenedPathPoints = null;
if (gapStart != 0 || gapEnd != 0)
{
gpath.Flatten();
var pathPoints = gpath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
if (null != shortenedPathPoints)
{
g.DrawLines(pen, shortenedPathPoints);
}
}
else
{
g.DrawPath(pen, gpath);
}
}
}
}
}
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);
}
}
}
private void PaintOneRange(Graphics g, IPlotArea layer, IPlotRange range, Processed2DPlotData pdata)
{
// adjust the skip frequency if it was not set appropriate
if (_skipFrequency <= 0)
_skipFrequency = 1;
var dropTargets = new List<CSPlaneID>(_dropTargets.Select(id => layer.UpdateCSPlaneID(id)));
if (_additionalDropTargetIsEnabled)
{
CSPlaneID userPlane;
if (_additionalDropTargetUsePhysicalBaseValue)
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, layer.Scales[_additionalDropTargetPerpendicularAxis].PhysicalVariantToNormal(_additionalDropTargetBaseValue));
}
else
{
userPlane = new CSPlaneID(_additionalDropTargetPerpendicularAxis, _additionalDropTargetBaseValue);
}
dropTargets.Add(userPlane);
}
// paint the scatter style
PointD3D pos = PointD3D.Empty;
var gpath = new GraphicsPath();
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size and constant color
{
// update pen widths
var pen = _pen.Clone();
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
pen.Width = w1;
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
var originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
Logical3D r3d = layer.GetLogical3D(pdata, originalRowIndex);
r3d.RX += _cachedLogicalShiftX;
r3d.RY += _cachedLogicalShiftY;
foreach (CSPlaneID id in dropTargets)
{
gpath.Reset();
layer.CoordinateSystem.GetIsolineFromPointToPlane(gpath, r3d, id);
PointF[] shortenedPathPoints = null;
if (gapStart != 0 || gapEnd != 0)
{
gpath.Flatten();
var pathPoints = gpath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
if (null != shortenedPathPoints)
g.DrawLines(pen, shortenedPathPoints);
}
else
{
g.DrawPath(pen, gpath);
}
}
}
}
else // using a variable symbol size or variable symbol color
{
int lower = range.LowerBound;
int upper = range.UpperBound;
for (int j = lower; j < upper; j += _skipFrequency)
{
var originalRowIndex = range.GetOriginalRowIndexFromPlotPointIndex(j);
var pen = _pen.Clone();
if (null == _cachedColorForIndexFunction)
{
_cachedSymbolSize = _cachedSymbolSizeForIndexFunction(originalRowIndex);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
pen.Width = w1;
}
else
{
_cachedSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _cachedSymbolSize : _cachedSymbolSizeForIndexFunction(originalRowIndex);
double w1 = _lineWidth1Offset + _lineWidth1Factor * _cachedSymbolSize;
var customSymbolColor = _cachedColorForIndexFunction(originalRowIndex);
pen.Width = w1;
pen.Color = NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B);
}
var gapStart = 0.5 * (_gapAtStartOffset + _gapAtStartFactor * _cachedSymbolSize);
var gapEnd = 0.5 * (_gapAtEndOffset + _gapAtEndFactor * _cachedSymbolSize);
Logical3D r3d = layer.GetLogical3D(pdata, originalRowIndex);
r3d.RX += _cachedLogicalShiftX;
r3d.RY += _cachedLogicalShiftY;
foreach (CSPlaneID id in _dropTargets)
{
gpath.Reset();
layer.CoordinateSystem.GetIsolineFromPointToPlane(gpath, r3d, id);
PointF[] shortenedPathPoints = null;
if (gapStart != 0 || gapEnd != 0)
{
gpath.Flatten();
var pathPoints = gpath.PathPoints;
shortenedPathPoints = GdiExtensionMethods.ShortenedBy(pathPoints, RADouble.NewAbs(gapStart), RADouble.NewAbs(gapEnd));
if (null != shortenedPathPoints)
g.DrawLines(pen, shortenedPathPoints);
}
else
{
g.DrawPath(pen, gpath);
}
}
}
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func<int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
PointF[] circularLinePoints;
if (!connectCircular && range.LowerBound == 0 && range.UpperBound == allLinePoints.Length)
{
// under optimal conditions we can use allLinePoints directly
circularLinePoints = allLinePoints;
}
else
{
// otherwise, make a new array
circularLinePoints = new PointF[range.Length + (connectCircular ? 1 : 0)];
Array.Copy(allLinePoints, range.LowerBound, circularLinePoints, 0, range.Length); // Extract
if (connectCircular)
circularLinePoints[circularLinePoints.Length - 1] = circularLinePoints[0];
}
int lastIdx = range.Length - 1 + (connectCircular ? 1 : 0);
GraphicsPath gp = new GraphicsPath();
var layerSize = layer.Size;
var rangeLowerBound = range.LowerBound;
// special efforts are necessary to realize a line/symbol gap
// I decided to use a path for this
// and hope that not so many segments are added to the path due
// to the exclusion criteria that a line only appears between two symbols (rel<0.5)
// if the symbols do not overlap. So for a big array of points it is very likely
// that the symbols overlap and no line between the symbols needs to be plotted
if (null != symbolGap)
{
float xdiff, ydiff, startx, starty, stopx, stopy;
if (skipFrequency <= 1) // skip all scatter symbol gaps -> thus skipOffset can be ignored
{
for (int i = 0; i < lastIdx; i++)
{
xdiff = circularLinePoints[i + 1].X - circularLinePoints[i].X;
ydiff = circularLinePoints[i + 1].Y - circularLinePoints[i].Y;
var diffLength = System.Math.Sqrt(xdiff * xdiff + ydiff * ydiff);
double gapAtStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
double gapAtEnd;
if (connectCircular && skipFrequency >= (range.Length - i))
gapAtEnd = symbolGap(range.OriginalFirstPoint);
else if (skipFrequency <= (range.Length - 1 - i))
gapAtEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + skipFrequency));
else
gapAtEnd = 0;
var relAtStart = (float)(0.5 * gapAtStart / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
var relAtEnd = (float)(0.5 * gapAtEnd / diffLength); // 0.5 because symbolGap is the full gap between two lines, thus between the symbol center and the beginning of the line it is only 1/2
if ((relAtStart + relAtEnd) < 1) // a line only appears if sum of the gaps is smaller than 1
{
startx = circularLinePoints[i].X + relAtStart * xdiff;
starty = circularLinePoints[i].Y + relAtStart * ydiff;
stopx = circularLinePoints[i + 1].X - relAtEnd * xdiff;
stopy = circularLinePoints[i + 1].Y - relAtEnd * ydiff;
gp.AddLine(startx, starty, stopx, stopy);
gp.StartFigure();
}
} // end for
g.DrawPath(linePen, gp);
gp.Reset();
}
else // skipFrequency is > 1
{
for (int i = 0; i < lastIdx; i += skipFrequency)
{
int subPointLengthM1 = Math.Min(skipFrequency, circularLinePoints.Length - 1 - i);
double gapAtStart = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i));
double gapAtEnd;
if (connectCircular && skipFrequency >= (range.Length - i))
gapAtEnd = symbolGap(range.OriginalFirstPoint);
else if (skipFrequency <= (range.Length - 1 - i))
gapAtEnd = symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + i + skipFrequency));
else
gapAtEnd = 0;
if (subPointLengthM1 >= 1)
{
var polyline = circularLinePoints.ShortenPartialPolylineByDistanceFromStartAndEnd(i, i + subPointLengthM1, gapAtStart / 2, gapAtEnd / 2);
if (null != polyline)
g.DrawLines(linePen, polyline);
}
} // end for
}
}
else // no line symbol gap required, so we can use DrawLines to draw the lines
{
if (circularLinePoints.Length > 1) // we don't want to have a drawing exception if number of points is only one
{
g.DrawLines(linePen, circularLinePoints);
}
}
}
/// <summary>
/// Template to make a line draw.
/// </summary>
/// <param name="g">Graphics context.</param>
/// <param name="allLinePoints">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="linePen">The pen to draw the line.</param>
/// <param name="symbolGap">The size of the symbol gap. Argument is the original index of the data. The return value is the absolute symbol gap at this index.
/// This function is null if no symbol gap is required.</param>
/// <param name="skipFrequency">Skip frequency. Normally 1, thus all gaps are taken into account. If 2, only every 2nd gap is taken into account, and so on.</param>
/// <param name="connectCircular">If true, there is a line connecting the start and the end of the range.</param>
/// <param name="linePlotStyle">The line plot style.</param>
public override void PaintOneRange(
Graphics g,
PointF[] allLinePoints,
IPlotRange range,
IPlotArea layer,
PenX linePen,
Func<int, double> symbolGap,
int skipFrequency,
bool connectCircular,
LinePlotStyle linePlotStyle)
{
PointF[] subLinePoints;
if (range.LowerBound == 0 && range.UpperBound == allLinePoints.Length)
{
// under optimal conditions we can use allLinePoints directly
subLinePoints = allLinePoints;
}
else
{
// otherwise, make a new array
subLinePoints = new PointF[range.Length];
Array.Copy(allLinePoints, range.LowerBound, subLinePoints, 0, range.Length); // Extract
}
int lastIdx = range.Length - 1;
var layerSize = layer.Size;
if (connectCircular)
{
if (symbolGap != null)
{
// convert points to bezier segments
var bezierSegments = GdiExtensionMethods.ClosedCardinalSplineToBezierSegments(subLinePoints, subLinePoints.Length);
var subBezierSegments = new PointF[0];
int subPointLengthM1, subBezierLength;
for (int i = 0; i < (range.Length); i += skipFrequency)
{
subPointLengthM1 = Math.Min(skipFrequency, range.Length - i);
int originalIndexAtStart = range.GetOriginalRowIndexFromPlotPointIndex(i + range.LowerBound);
double gapAtStart = symbolGap(originalIndexAtStart);
int originalIndexAtEnd = ((i + skipFrequency) < range.Length) ? range.GetOriginalRowIndexFromPlotPointIndex(i + range.LowerBound + skipFrequency) : range.OriginalFirstPoint;
double gapAtEnd = symbolGap(originalIndexAtEnd);
subBezierLength = 3 * subPointLengthM1 + 1;
if (subBezierSegments.Length != subBezierLength)
subBezierSegments = new PointF[subBezierLength];
Array.Copy(bezierSegments, i * 3, subBezierSegments, 0, subBezierLength);
var shortenedBezierSegments = GdiExtensionMethods.ShortenBezierCurve(subBezierSegments, gapAtStart / 2, gapAtEnd / 2);
if (null != shortenedBezierSegments)
{
g.DrawBeziers(linePen, shortenedBezierSegments);
}
}
}
else
{
g.DrawClosedCurve(linePen, subLinePoints);
}
}
else
{
if (symbolGap != null)
{
// convert points to bezier segments
var bezierSegments = GdiExtensionMethods.OpenCardinalSplineToBezierSegments(subLinePoints, subLinePoints.Length);
var subBezierSegments = new PointF[0];
int subPointLengthM1, subBezierLength;
for (int i = 0; i < (range.Length - 1); i += skipFrequency)
{
subPointLengthM1 = Math.Min(skipFrequency, range.Length - 1 - i);
int originalIndex = range.GetOriginalRowIndexFromPlotPointIndex(i + range.LowerBound);
double gapAtStart = symbolGap(originalIndex);
double gapAtEnd = subPointLengthM1 == skipFrequency ? symbolGap(range.GetOriginalRowIndexFromPlotPointIndex(i + range.LowerBound + skipFrequency)) : 0;
subBezierLength = 3 * subPointLengthM1 + 1;
if (subBezierSegments.Length != subBezierLength)
subBezierSegments = new PointF[subBezierLength];
Array.Copy(bezierSegments, i * 3, subBezierSegments, 0, subBezierLength);
var shortenedBezierSegments = GdiExtensionMethods.ShortenBezierCurve(subBezierSegments, gapAtStart / 2, gapAtEnd / 2);
if (null != shortenedBezierSegments)
{
g.DrawBeziers(linePen, shortenedBezierSegments);
}
}
}
else
{
g.DrawCurve(linePen, subLinePoints);
}
}
}
private void PaintOneRange(
Graphics g,
IPlotArea layer,
PointF[] plotPositions,
IPlotRange range,
IScatterSymbol scatterSymbol,
ref CachedPathData cachedPathData,
ref CachedBrushData cachedBrushData)
{
var ptArray = plotPositions;
float xpos = 0, ypos = 0;
float xdiff, ydiff;
int originalIndex;
// save the graphics stat since we have to translate the origin
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size
{
// calculate the path only once
CalculatePaths(scatterSymbol, _symbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, _color, cachedPathData, ref cachedBrushData);
for (int plotPointIndex = range.LowerBound; plotPointIndex < range.UpperBound; plotPointIndex += _skipFreq)
{
xdiff = ptArray[plotPointIndex].X - xpos;
ydiff = ptArray[plotPointIndex].Y - ypos;
xpos = ptArray[plotPointIndex].X;
ypos = ptArray[plotPointIndex].Y;
g.TranslateTransform(xdiff, ydiff);
if (null != cachedPathData.InsetPath)
g.FillPath(cachedBrushData.InsetBrush, cachedPathData.InsetPath);
if (null != cachedPathData.FillPath)
g.FillPath(cachedBrushData.FillBrush, cachedPathData.FillPath);
if (null != cachedPathData.FramePath)
g.FillPath(cachedBrushData.FrameBrush, cachedPathData.FramePath);
} // end for
}
else // using a variable symbol size or variable symbol color
{
CalculatePaths(scatterSymbol, _symbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, _color, cachedPathData, ref cachedBrushData);
for (int plotPointIndex = range.LowerBound; plotPointIndex < range.UpperBound; plotPointIndex += _skipFreq)
{
originalIndex = range.GetOriginalRowIndexFromPlotPointIndex(plotPointIndex);
if (null == _cachedColorForIndexFunction)
{
double customSymbolSize = _cachedSymbolSizeForIndexFunction(originalIndex);
CalculatePaths(scatterSymbol, customSymbolSize, ref cachedPathData);
}
else
{
double customSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(originalIndex);
var customSymbolColor = _cachedColorForIndexFunction(originalIndex);
CalculatePaths(scatterSymbol, customSymbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B), cachedPathData, ref cachedBrushData);
}
xdiff = ptArray[plotPointIndex].X - xpos;
ydiff = ptArray[plotPointIndex].Y - ypos;
xpos = ptArray[plotPointIndex].X;
ypos = ptArray[plotPointIndex].Y;
g.TranslateTransform(xdiff, ydiff);
if (null != cachedPathData.InsetPath)
g.FillPath(cachedBrushData.InsetBrush, cachedPathData.InsetPath);
if (null != cachedPathData.FillPath)
g.FillPath(cachedBrushData.FillBrush, cachedPathData.FillPath);
if (null != cachedPathData.FramePath)
g.FillPath(cachedBrushData.FrameBrush, cachedPathData.FramePath);
}
}
g.Restore(gs); // Restore the graphics state
}
private void PaintOneRange(
Graphics g,
IPlotArea layer,
PointF[] plotPositions,
IPlotRange range,
IScatterSymbol scatterSymbol,
ref CachedPathData cachedPathData,
ref CachedBrushData cachedBrushData)
{
var ptArray = plotPositions;
float xpos = 0, ypos = 0;
float xdiff, ydiff;
int originalIndex;
// save the graphics stat since we have to translate the origin
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
if (null == _cachedSymbolSizeForIndexFunction && null == _cachedColorForIndexFunction) // using a constant symbol size
{
// calculate the path only once
CalculatePaths(scatterSymbol, _symbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, _color, cachedPathData, ref cachedBrushData);
for (int plotPointIndex = range.LowerBound; plotPointIndex < range.UpperBound; plotPointIndex += _skipFreq)
{
xdiff = ptArray[plotPointIndex].X - xpos;
ydiff = ptArray[plotPointIndex].Y - ypos;
xpos = ptArray[plotPointIndex].X;
ypos = ptArray[plotPointIndex].Y;
g.TranslateTransform(xdiff, ydiff);
if (null != cachedPathData.InsetPath)
{
g.FillPath(cachedBrushData.InsetBrush, cachedPathData.InsetPath);
}
if (null != cachedPathData.FillPath)
{
g.FillPath(cachedBrushData.FillBrush, cachedPathData.FillPath);
}
if (null != cachedPathData.FramePath)
{
g.FillPath(cachedBrushData.FrameBrush, cachedPathData.FramePath);
}
} // end for
}
else // using a variable symbol size or variable symbol color
{
CalculatePaths(scatterSymbol, _symbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, _color, cachedPathData, ref cachedBrushData);
for (int plotPointIndex = range.LowerBound; plotPointIndex < range.UpperBound; plotPointIndex += _skipFreq)
{
originalIndex = range.GetOriginalRowIndexFromPlotPointIndex(plotPointIndex);
if (null == _cachedColorForIndexFunction)
{
double customSymbolSize = _cachedSymbolSizeForIndexFunction(originalIndex);
CalculatePaths(scatterSymbol, customSymbolSize, ref cachedPathData);
}
else
{
double customSymbolSize = null == _cachedSymbolSizeForIndexFunction ? _symbolSize : _cachedSymbolSizeForIndexFunction(originalIndex);
var customSymbolColor = _cachedColorForIndexFunction(originalIndex);
CalculatePaths(scatterSymbol, customSymbolSize, ref cachedPathData);
CalculateBrushes(scatterSymbol, NamedColor.FromArgb(customSymbolColor.A, customSymbolColor.R, customSymbolColor.G, customSymbolColor.B), cachedPathData, ref cachedBrushData);
}
xdiff = ptArray[plotPointIndex].X - xpos;
ydiff = ptArray[plotPointIndex].Y - ypos;
xpos = ptArray[plotPointIndex].X;
ypos = ptArray[plotPointIndex].Y;
g.TranslateTransform(xdiff, ydiff);
if (null != cachedPathData.InsetPath)
{
g.FillPath(cachedBrushData.InsetBrush, cachedPathData.InsetPath);
}
if (null != cachedPathData.FillPath)
{
g.FillPath(cachedBrushData.FillBrush, cachedPathData.FillPath);
}
if (null != cachedPathData.FramePath)
{
g.FillPath(cachedBrushData.FrameBrush, cachedPathData.FramePath);
}
}
}
g.Restore(gs); // Restore the graphics state
}
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);
}
}
}
}
/// <summary>
/// Template to get a fill path.
/// </summary>
/// <param name="gp">Graphics path to fill with data.</param>
/// <param name="pdata">The plot data. Don't use the Range property of the pdata, since it is overriden by the next argument.</param>
/// <param name="range">The plot range to use.</param>
/// <param name="layer">Graphics layer.</param>
/// <param name="fillDirection">Designates a bound to fill to.</param>
/// <param name="linePoints">The points that mark the line.</param>
/// <param name="connectCircular">If true, a circular connection is drawn.</param>
private void FillOneRange_PreprocessedPoints(
GraphicsPath gp,
Processed2DPlotData pdata,
IPlotRange range,
IPlotArea layer,
CSPlaneID fillDirection,
PointF[] linePoints,
bool connectCircular,
double logicalShiftX,
double logicalShiftY
)
{
if (connectCircular)
{
gp.AddBeziers(linePoints);
gp.CloseFigure();
}
else
{
Logical3D r0 = layer.GetLogical3D(pdata, range.OriginalFirstPoint);
r0.RX += logicalShiftX;
r0.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPlaneToPoint(gp, fillDirection, r0);
gp.AddBeziers(linePoints);
Logical3D r1 = layer.GetLogical3D(pdata, range.GetOriginalRowIndexFromPlotPointIndex(range.LowerBound + linePoints.Length - 1));
r1.RX += logicalShiftX;
r1.RY += logicalShiftY;
layer.CoordinateSystem.GetIsolineFromPointToPlane(gp, r1, fillDirection);
layer.CoordinateSystem.GetIsolineOnPlane(gp, fillDirection, r1, r0);
gp.CloseFigure();
}
}