public void Draw(Graphics g, AdvancedRect dataArea)
{
AdvancedRect area = dataArea.Clone();
for (int i = 0; i < leftAxes.Count; i++)
{
if (!leftAxes[i].Visible)
{
continue;
}
area.BottomRight.X = area.TopLeft.X;
area.TopLeft.X -= axisWidthLeft[i];
leftAxes[i].DrawY(g, area, dataArea);
area.TopLeft.X -= axisSpacing;
}
area = dataArea.Clone();
for (int i = 0; i < rightAxes.Count; i++)
{
if (!rightAxes[i].Visible)
{
continue;
}
area.TopLeft.X = area.BottomRight.X;
area.BottomRight.X += axisWidthRight[i];
rightAxes[i].DrawY(g, area, dataArea);
area.BottomRight.X += axisSpacing;
}
}
private void duringMouseDragging(Point cursor)
{
PointF realCursor = screenToInches(cursor);
if (zoomingPlotArea)
{
selectionRect = new AdvancedRect(
new PointF(
Math.Max(plot.DataArea.TopLeft.X, Math.Min(realCursor.X, mouseDownLocation.X)),
Math.Max(plot.DataArea.TopLeft.Y, Math.Min(realCursor.Y, mouseDownLocation.Y))),
new PointF(
Math.Min(plot.DataArea.BottomRight.X, Math.Max(realCursor.X, mouseDownLocation.X)),
Math.Min(plot.DataArea.BottomRight.Y, Math.Max(realCursor.Y, mouseDownLocation.Y)))
);
}
else if (zoomingXAxis)
{
selectionRect = plot.DataArea;
selectionRect.TopLeft.X = Math.Max(selectionRect.TopLeft.X, Math.Min(realCursor.X, mouseDownLocation.X));
selectionRect.BottomRight.X = Math.Min(selectionRect.BottomRight.X, Math.Max(realCursor.X, mouseDownLocation.X));
}
else if (zoomingYAxis != null)
{
selectionRect = plot.DataArea;
selectionRect.TopLeft.Y = Math.Max(selectionRect.TopLeft.Y, Math.Min(realCursor.Y, mouseDownLocation.Y));
selectionRect.BottomRight.Y = Math.Min(selectionRect.BottomRight.Y, Math.Max(realCursor.Y, mouseDownLocation.Y));
}
Invalidate();
}
public void Draw(Graphics g, AdvancedRect dataArea)
{
foreach (Annotation ann in annotations)
{
ann.Draw(g, dataArea);
}
}
public float DataToCoordinate(double v, AdvancedRect rect)
{
if (ScaleMinimum == ScaleMaximum)
{
return(rect.BottomRight.Y);
}
double v2 = (double)v;
if (!logAxis)
{
double r = (v2 - ScaleMinimum) / (ScaleMaximum - ScaleMinimum);
if (AxisReverseOfCoordinateArea())
{
r = (1.0 - r);
}
return((float)((AxisLength(rect) * r) + AxisStart(rect)));
}
else
{
double r = (Math.Log10(v2) - Math.Log10(ScaleMinimum)) / (Math.Log10(ScaleMaximum) - Math.Log10(ScaleMinimum));
if (AxisReverseOfCoordinateArea())
{
r = (1.0 - r);
}
return((float)((AxisLength(rect) * r) + AxisStart(rect)));
}
}
public void Apply(ref AdvancedRect rect)
{
rect.TopLeft.X += this.left;
rect.TopLeft.Y += this.top;
rect.BottomRight.X -= this.right;
rect.BottomRight.Y -= this.bottom;
}
public void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
GraphicsState _s = g.Save();
g.SetClip(area.Rect);
foreach (KeyValuePair <string, Series> s in seriesByName)
{
s.Value.Draw(g, yAxisCollection, xAxis, area);
}
g.Restore(_s);
}
public void Draw(Graphics g, AdvancedRect area, string seriesName)
{
int idx = ySet % series.Brushes.Count;
using (Brush br = series.Brushes[idx].CreateBrush())
g.FillRectangle(br, new RectangleF(area.TopLeft.X, area.TopLeft.Y, 0.2f, 0.2f));
using (Font f = series.LegendFont.CreateFont())
using (Brush br = series.LegendFont.CreateBrush())
{
SizeF sz = g.MeasureString(Name, f);
g.DrawString(Name, f, br, area.TopLeft.X + 0.2f + (3f / 96), area.Center.Y - (sz.Height / 2));
}
}
public override void Draw(Graphics g, AdvancedRect dataArea)
{
PointF pt = new PointF(
Plot.XAxis.DataToCoordinate(X, dataArea),
Plot.YAxes[YAxisName].DataToCoordinate(Y, dataArea));
using (Pen p = crosshairPen.CreatePen())
{
g.DrawLine(p, pt.X - crosshairCircleRadius, pt.Y, pt.X + crosshairCircleRadius, pt.Y);
g.DrawLine(p, pt.X, pt.Y - crosshairCircleRadius, pt.X, pt.Y + crosshairCircleRadius);
g.DrawEllipse(p, pt.X - crosshairCircleRadius, pt.Y - crosshairCircleRadius, crosshairCircleRadius * 2, crosshairCircleRadius * 2);
SizeF size = Size(g);
switch (crosshair)
{
case AnnotationCrosshair.Left:
g.DrawLine(p, pt.X + crosshairCircleRadius, pt.Y, pt.X + crosshairCircleRadius + crosshairHandleSize, pt.Y);
pt.X += crosshairCircleRadius;
pt.X += crosshairHandleSize;
pt.Y -= size.Height / 2;
break;
case AnnotationCrosshair.Right:
g.DrawLine(p, pt.X - crosshairCircleRadius, pt.Y, pt.X - crosshairCircleRadius - crosshairHandleSize, pt.Y);
pt.X -= crosshairCircleRadius;
pt.X -= crosshairHandleSize;
pt.X -= size.Width;
pt.Y -= size.Height / 2;
break;
case AnnotationCrosshair.Bottom:
g.DrawLine(p, pt.X, pt.Y - crosshairCircleRadius, pt.X, pt.Y - crosshairCircleRadius - crosshairHandleSize);
pt.X -= size.Width / 2;
pt.Y -= size.Height;
pt.Y -= crosshairCircleRadius;
pt.Y -= crosshairHandleSize;
break;
case AnnotationCrosshair.Top:
g.DrawLine(p, pt.X, pt.Y + crosshairCircleRadius, pt.X, pt.Y + crosshairCircleRadius + crosshairHandleSize);
pt.X -= size.Width / 2;
pt.Y += crosshairCircleRadius;
pt.Y += crosshairHandleSize;
break;
}
}
DrawTextBox(g, pt);
}
private void finishMouseDragging()
{
if (!mouseDragging)
{
return;
}
using (plot.SuspendEvents())
{
AdvancedRect dataArea = plot.DataArea;
if (zoomingPlotArea || zoomingXAxis)
{
double newMin = plot.XAxis.CoordinateToData(selectionRect.TopLeft.X, dataArea);
double newMax = plot.XAxis.CoordinateToData(selectionRect.BottomRight.X, dataArea);
plot.XAxis.ZoomedMinimum = newMin;
plot.XAxis.ZoomedMaximum = newMax;
if (zoomingPlotArea)
{
foreach (KeyValuePair <string, NumericYAxis> kv in plot.YAxes)
{
NumericYAxis y = kv.Value;
newMax = y.CoordinateToData(selectionRect.TopLeft.Y, dataArea);
newMin = y.CoordinateToData(selectionRect.BottomRight.Y, dataArea);
y.ZoomedMinimum = newMin;
y.ZoomedMaximum = newMax;
}
}
}
else if (zoomingYAxis != null)
{
double newMax = zoomingYAxis.CoordinateToData(selectionRect.TopLeft.Y, dataArea);
double newMin = zoomingYAxis.CoordinateToData(selectionRect.BottomRight.Y, dataArea);
zoomingYAxis.ZoomedMinimum = newMin;
zoomingYAxis.ZoomedMaximum = newMax;
}
selectionBr.Dispose();
selectionBr = null;
mouseDragging = false;
disableZoom();
}
}
public void Draw(Graphics g, AdvancedRect area, string seriesName)
{
using (Pen p = series.Line.CreatePen())
g.DrawLine(p,
new PointF(area.TopLeft.X, area.Center.Y),
new PointF(area.TopLeft.X + 0.2f, area.Center.Y)
);
if (series.SymbolStyle != SymbolStyle.NoSymbols)
{
using (Symbol sym = series.Symbol.CreateSymbol())
sym.DrawCenteredAt(g, new PointF(area.TopLeft.X + 0.1f, area.Center.Y));
}
using (Font f = series.LegendFont.CreateFont())
using (Brush br = series.LegendFont.CreateBrush())
{
SizeF sz = g.MeasureString(seriesName, f);
g.DrawString(seriesName, f, br, area.TopLeft.X + 0.2f + (3f / 96), area.Center.Y - (sz.Height / 2));
}
}
public double CoordinateToData(float x, AdvancedRect rect)
{
if (!logAxis)
{
double r = ((x - AxisStart(rect)) / AxisLength(rect));
if (AxisReverseOfCoordinateArea())
{
r = (1.0 - r);
}
return((ScaleMaximum - ScaleMinimum) * r + ScaleMinimum);
}
else
{
double r = ((x - AxisStart(rect)) / AxisLength(rect));
if (AxisReverseOfCoordinateArea())
{
r = (1.0 - r);
}
return(Math.Pow(10, Math.Log10(ScaleMinimum) + (r * (Math.Log10(ScaleMaximum) - Math.Log10(ScaleMinimum)))));
}
}
protected abstract float AxisStart(AdvancedRect dataArea);
protected abstract float AxisLength(AdvancedRect dataArea);
public double CoordinateToData(float x, AdvancedRect rect)
{
double r = ((x - rect.TopLeft.X) / rect.Width);
return(asDouble(new TimeSpan((long)((ScaleMaximum.Ticks - ScaleMinimum.Ticks) * r) + ScaleMinimum.Ticks)));
}
protected override float AxisStart(AdvancedRect dataArea)
{
return(dataArea.TopLeft.X);
}
public void DrawY(Graphics g, AdvancedRect area, AdvancedRect plotArea)
{
drawArea = area;
GraphicsState _s = g.Save();
//using (Brush br = new SolidBrush(Color.Purple))
// g.FillRectangle(br, area.Rect);
if (title != null)
{
using (Brush br = titleFont.CreateBrush())
using (Font f = titleFont.CreateFont())
{
SizeF titleSize = g.MeasureString(title, f);
GraphicsState s = g.Save();
if (rightSide)
{
g.TranslateTransform(area.BottomRight.X, area.Center.Y - (titleSize.Width / 2));
g.RotateTransform(90);
}
else
{
g.TranslateTransform(area.TopLeft.X, area.Center.Y + (titleSize.Width / 2));
g.RotateTransform(-90);
}
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
g.DrawString(title, f, br, new PointF(0, 0));
g.Restore(s);
}
}
if (!logAxis)
{
int maxIntervals = (int)Math.Ceiling(area.Height * 1.25);
// calculate label and tick mark intervals
using (Brush br = labelFont.CreateBrush())
using (Font f = labelFont.CreateFont())
using (Pen p = tickPen.CreatePen())
{
foreach (double v in GenerateTickLocations(maxIntervals))
{
string txt = FormatLabel(v);
float yCoord = DataToCoordinate(v, area);
if (yCoord < area.TopLeft.Y || yCoord > area.BottomRight.Y)
{
continue;
}
SizeF sz = g.MeasureString(txt, f);
if (rightSide)
{
g.DrawLine(p, area.TopLeft.X, yCoord, area.TopLeft.X + tickLength, yCoord);
g.DrawString(txt, f, br, area.TopLeft.X + tickLength, yCoord - (sz.Height / 2));
}
else
{
g.DrawLine(p, area.BottomRight.X, yCoord, area.BottomRight.X - tickLength, yCoord);
g.DrawString(txt, f, br, area.BottomRight.X - sz.Width - tickLength, yCoord - (sz.Height / 2));
}
}
}
if (gridlinesEnabled)
{
using (Pen p = gridlinePen.CreatePen())
{
foreach (double v in GenerateTickLocations(maxIntervals))
{
float yCoord = DataToCoordinate(v, area);
if (yCoord < area.TopLeft.Y || yCoord > area.BottomRight.Y)
{
continue;
}
g.DrawLine(p, plotArea.TopLeft.X, yCoord, plotArea.BottomRight.X, yCoord);
}
}
}
}
else
{
// log axis drawing
int start = (int)Math.Floor(Math.Log10(ScaleMinimum));
int end = (int)Math.Ceiling(Math.Log10(ScaleMaximum));
using (Brush br = labelFont.CreateBrush())
using (Font f = labelFont.CreateFont())
using (Pen p = tickPen.CreatePen())
using (Pen p2 = gridlinePen.CreatePen())
{
for (int i = start; i <= end; i++)
{
double v = Math.Pow(10, i);
float yCoord = DataToCoordinate(v, area);
// ticks and labels
string txt = FormatLabel(v);
SizeF sz = g.MeasureString(txt, f);
if (yCoord >= area.TopLeft.Y && yCoord <= area.BottomRight.Y)
{
if (rightSide)
{
g.DrawLine(p, area.TopLeft.X, yCoord, area.TopLeft.X + tickLength, yCoord);
g.DrawString(txt, f, br, area.TopLeft.X + tickLength, yCoord - (sz.Height / 2));
}
else
{
g.DrawLine(p, area.BottomRight.X, yCoord, area.BottomRight.X - tickLength, yCoord);
g.DrawString(txt, f, br, area.BottomRight.X - sz.Width - tickLength, yCoord - (sz.Height / 2));
}
}
if (gridlinesEnabled && i != end)
{
double v2 = Math.Pow(10, i + 1);
double delta = (v2 - v) / 9;
for (int j = 1; j < 10; j++)
{
double v3 = v + (delta * j);
yCoord = DataToCoordinate(v3, area);
if (yCoord > area.TopLeft.Y && yCoord < area.BottomRight.Y)
{
g.DrawLine(p2, plotArea.TopLeft.X, yCoord, plotArea.BottomRight.X, yCoord);
}
}
}
}
}
}
// Because there can be multiple Y axises that are not always next to the data area,
// we draw our own border. The plot might stroke over it again later, but that's
// not such a big deal.
using (Pen p = borderPen.CreatePen())
{
if (rightSide)
{
g.DrawLine(p, area.TopLeft, new PointF(area.TopLeft.X, area.BottomRight.Y));
}
else
{
g.DrawLine(p, area.BottomRight, new PointF(area.BottomRight.X, area.TopLeft.Y));
}
}
g.Restore(_s);
}
public void PaintOn(Graphics g, RectangleF _area)
{
GraphicsState _s = g.Save();
// _area is assumed to be provided in the same coordinate system as
// g.PageUnit provides. The plotting library works assuming that
// PageUnit is Inch, so we must transform the Rectangle into the
// appropriate rect.
PointF[] trans = new PointF[] {
new PointF(_area.Left, _area.Top),
new PointF(_area.Left + _area.Width, _area.Top + _area.Height)
};
g.TransformPoints(CoordinateSpace.Device, CoordinateSpace.Page, trans);
g.PageUnit = GraphicsUnit.Inch;
g.TransformPoints(CoordinateSpace.Page, CoordinateSpace.Device, trans);
AdvancedRect area = new AdvancedRect(trans[0], trans[1]);
using (Brush bg = background.CreateBrush())
g.FillRectangle(bg, area.Rect);
outerMargins.Apply(ref area);
//using (Brush tmp = new SolidBrush(Color.Red))
// g.FillRectangle(tmp, area.Rect);
SizeF headerSize = new SizeF(0, 0);
if (centerHeader != null)
{
using (Brush br = centerHeaderFont.CreateBrush())
using (Font f = centerHeaderFont.CreateFont())
{
headerSize = g.MeasureString(centerHeader, f);
g.DrawString(centerHeader, f, br, area.Center.X - (headerSize.Width / 2), area.TopLeft.Y);
}
}
if (rightHeader != null || leftHeader != null)
{
using (Brush left_br = leftHeaderFont.CreateBrush())
using (Font left_f = leftHeaderFont.CreateFont())
using (Brush right_br = rightHeaderFont.CreateBrush())
using (Font right_f = rightHeaderFont.CreateFont())
{
SizeF leftHeaderSize = (leftHeader != null) ? g.MeasureString(leftHeader, left_f) : new SizeF(0, 0);
SizeF rightHeaderSize = (rightHeader != null) ? g.MeasureString(rightHeader, right_f) : new SizeF(0, 0);
// determine y location = is this going to be aligned to the bottom of the center
// header, or underneath it? underneath is necessary if the two will hit each other.
float left_xLoc = area.TopLeft.X;
float right_xLoc = area.BottomRight.X - rightHeaderSize.Width;
float left_yLoc;
float right_yLoc;
if ((right_xLoc - 0.2f) < (area.Center.X + (headerSize.Width / 2)) ||
(left_xLoc + leftHeaderSize.Width + 0.2f) > (area.Center.X - (headerSize.Width / 2)))
{
// looks like we're too close - have to move down a bit.
left_yLoc = right_yLoc = area.TopLeft.Y + headerSize.Height;
headerSize.Height += Math.Max(rightHeaderSize.Height, leftHeaderSize.Height);
}
else
{
// We're good to place it next to the header.
// But, check our height - are the side headers bigger than the center header?
if (rightHeaderSize.Height > headerSize.Height || leftHeaderSize.Height > headerSize.Height)
{
// the side headers are bigger than the center header. Make enough room.
headerSize.Height = Math.Max(leftHeaderSize.Height, rightHeaderSize.Height);
}
right_yLoc = area.TopLeft.Y + (headerSize.Height - rightHeaderSize.Height);
left_yLoc = area.TopLeft.Y + (headerSize.Height - leftHeaderSize.Height);
}
if (rightHeader != null)
{
g.DrawString(rightHeader, right_f, right_br, right_xLoc, right_yLoc);
}
if (leftHeader != null)
{
g.DrawString(leftHeader, left_f, left_br, left_xLoc, left_yLoc);
}
}
}
if (headerSize.Height != 0)
{
area.TopLeft.Y += headerSize.Height;
area.TopLeft.Y += 0.1f;
}
if (displayLegend)
{
area.BottomRight.Y -= DrawLegend(g, area);
}
float yAxisWidthLeft = yAxes.CalculateWidthLeft(g);
float yAxisWidthRight = yAxes.CalculateWidthRight(g);
float xAxisHeight = xAxis.CalculateHeight(g, area.Width - yAxisWidthLeft - yAxisWidthRight);
AdvancedRect xAxisArea = area.Clone();
xAxisArea.TopLeft.X += yAxisWidthLeft;
xAxisArea.BottomRight.X -= yAxisWidthRight;
xAxisArea.TopLeft.Y = xAxisArea.BottomRight.Y - xAxisHeight;
// calculate internal data area
area.TopLeft.X += yAxisWidthLeft;
area.BottomRight.X -= yAxisWidthRight;
area.BottomRight.Y -= xAxisHeight;
yAxes.Draw(g, area);
xAxis.DrawX(g, xAxisArea, area);
series.Draw(g, yAxes, xAxis, area);
annotations.Draw(g, area);
using (Pen p = borderPen.CreatePen())
{
g.DrawLine(p, area.TopLeft.X, area.TopLeft.Y, area.TopLeft.X, area.BottomRight.Y);
g.DrawLine(p, area.TopLeft.X, area.TopLeft.Y, area.BottomRight.X, area.TopLeft.Y);
g.DrawLine(p, area.BottomRight.X, area.BottomRight.Y, area.BottomRight.X, area.TopLeft.Y);
g.DrawLine(p, area.BottomRight.X, area.BottomRight.Y, area.TopLeft.X, area.BottomRight.Y);
}
dataArea = area;
g.Restore(_s);
}
private float DrawLegend(Graphics g, AdvancedRect area)
{
// function returns the height necessary for the legend.
GraphicsState _s = g.Save();
g.SmoothingMode = SmoothingMode.AntiAlias;
float maxWidth = 0, maxHeight = 0;
List <LegendEntry> entries = new List <LegendEntry>();
List <string> seriesNames = new List <string>();
foreach (KeyValuePair <string, Series> kv in series)
{
foreach (LegendEntry entry in kv.Value.LegendEntries)
{
entries.Add(entry);
seriesNames.Add(kv.Key);
SizeF sz = entry.CalculateSize(g, kv.Key);
maxWidth = Math.Max(maxWidth, sz.Width);
maxHeight = Math.Max(maxHeight, sz.Height);
}
}
//float totalWidth = maxWidth * entries.Count;
int entriesPerRow = (int)Math.Floor(area.Width / maxWidth);
if (entriesPerRow == 0)
{
entriesPerRow = 1;
}
else if (entriesPerRow > entries.Count)
{
entriesPerRow = entries.Count;
}
int numRows = (int)Math.Ceiling((float)entries.Count / entriesPerRow);
//int entriesPerRow = (int)Math.Ceiling((float)entries.Count / numRows);
float leftX = area.Center.X - ((float)entriesPerRow / 2) * maxWidth;
for (int r = 0; r < numRows; r++)
{
for (int c = 0; c < entriesPerRow; c++)
{
int idx = (r * entriesPerRow) + c;
if (idx >= entries.Count)
{
continue;
}
LegendEntry entry = entries[idx];
entry.Draw(g, new AdvancedRect(
new PointF(leftX + (c * maxWidth), area.BottomRight.Y - (maxHeight * (numRows - r))),
new PointF(leftX + ((c + 1) * maxWidth), area.BottomRight.Y - (maxHeight * (numRows - r - 1)))),
seriesNames[idx]
);
}
}
g.Restore(_s); // turn off antialiasing
/*
* using (Pen p = legendBorder.CreatePen())
* {
* g.DrawRectangle(p,
* area.Center.X - (width / 2), area.BottomRight.Y - height,
* width, height);
* }
*/
return(maxHeight * numRows);
}
public override void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
if (data.Count == 0)
{
return;
}
GraphicsState _s = g.Save();
g.SmoothingMode = SmoothingMode.AntiAlias;
NumericAxis yAxis = yAxisCollection[YAxisName];
using (Pen p = line.CreatePen())
using (Symbol s = (SymbolStyle != SymbolStyle.NoSymbols) ? symbol.CreateSymbol() : null)
{
// find continuous groups of non-null Y points
// if our yAxis is LogRate, then we need to find continuous
// groups of non-null, >0 Y points. Yay.
int start = 0, end = 0, i = 0;
while (i < data.Count)
{
// chomp all nulls
// then draw all non-nulls
while (i < data.Count && (data.GetY(i) == null || (yAxis.LogAxis && data.GetY(i) <= 0)))
{
i++;
}
// found a non-null at i.
start = i;
while (i < data.Count && data.GetY(i) != null && (!yAxis.LogAxis || data.GetY(i) > 0))
{
i++;
}
// found a null at i;
end = i;
if (start != end)
{
drawLines(g, p, s, xAxis, yAxis, area, start, end);
}
}
}
g.Restore(_s);
}
private void drawLines(Graphics g, Pen p, Symbol s, XAxis xAxis, NumericAxis yAxis, AdvancedRect area, int start, int end)
{
PointF[] pt;
int count = end - start;
if (stepLine)
{
if (end == data.Count && count == 1)
{
// drawing a single point at the end going nowhere,
// not possible. fixme: make a symbol or something to
// indicate a single point?
return;
}
pt = new PointF[count * 2 - (end == data.Count ? 1 : 0)];
for (int i = 0; i < count; i++)
{
pt[i * 2].X = xAxis.DataToCoordinate(data.GetX(start + i), area);
pt[i * 2].Y = yAxis.DataToCoordinate(data.GetY(start + i).Value, area);
if ((start + i + 1) < data.Count)
{
pt[(i * 2) + 1].X = xAxis.DataToCoordinate(data.GetX(start + i + 1), area);
pt[(i * 2) + 1].Y = pt[i * 2].Y;
}
}
}
else
{
if (count == 1)
{
// can't really draw a line here.
// fixme: make a symbol or something to indicate a single
// point?
return;
}
pt = new PointF[count];
for (int i = 0; i < count; i++)
{
pt[i].X = xAxis.DataToCoordinate(data.GetX(start + i), area);
pt[i].Y = yAxis.DataToCoordinate(data.GetY(start + i).Value, area);
}
}
g.DrawLines(p, pt);
switch (SymbolStyle)
{
case SymbolStyle.IdentifyPoints:
foreach (PointF x in pt)
{
s.DrawCenteredAt(g, x);
}
break;
case SymbolStyle.IdentifyLine:
PointF lastPt = pt[0];
for (int i = 1; i < pt.Length; i++)
{
PointF curPt = pt[i];
double dist = Math.Sqrt(Math.Pow(curPt.X - lastPt.X, 2) + Math.Pow(curPt.Y - lastPt.Y, 2));
if (dist > 0.5)
{
s.DrawCenteredAt(g, curPt);
lastPt = curPt;
}
}
break;
}
}
public void DrawX(Graphics g, AdvancedRect area, AdvancedRect plotArea)
{
drawArea = area;
GraphicsState _s = g.Save();
//using (Brush br = new SolidBrush(Color.Purple))
// g.FillRectangle(br, area.Rect);
if (title != null)
{
using (Brush br = titleFont.CreateBrush())
using (Font f = titleFont.CreateFont())
{
SizeF titleSize = g.MeasureString(title, f);
g.DrawString(title, f, br, area.Center.X - (titleSize.Width / 2), area.BottomRight.Y - titleSize.Height);
}
}
if (!logAxis)
{
int maxIntervals = (int)Math.Ceiling(area.Width * 1.25);
// calculate label and tick mark intervals
using (Brush br = labelFont.CreateBrush())
using (Font f = labelFont.CreateFont())
using (Pen p = tickPen.CreatePen())
{
foreach (double v in GenerateTickLocations(maxIntervals))
{
string txt = FormatLabel(v);
float xCoord = DataToCoordinate(v, area);
SizeF sz = g.MeasureString(txt, f);
if (xCoord < area.TopLeft.X || xCoord > area.BottomRight.X)
{
continue;
}
g.DrawLine(p, xCoord, area.TopLeft.Y, xCoord, area.TopLeft.Y + tickLength);
g.DrawString(txt, f, br, xCoord - (sz.Width / 2), area.TopLeft.Y + tickLength);
}
}
if (gridlinesEnabled)
{
using (Pen p = gridlinePen.CreatePen())
{
foreach (double v in GenerateTickLocations(maxIntervals))
{
float xCoord = DataToCoordinate(v, area);
if (xCoord < area.TopLeft.X || xCoord > area.BottomRight.X)
{
continue;
}
g.DrawLine(p, xCoord, plotArea.TopLeft.Y, xCoord, plotArea.BottomRight.Y);
}
}
}
}
else
{
// log axis drawing
int start = (int)Math.Floor(Math.Log10(ScaleMinimum));
int end = (int)Math.Ceiling(Math.Log10(ScaleMaximum));
using (Brush br = labelFont.CreateBrush())
using (Font f = labelFont.CreateFont())
using (Pen p = tickPen.CreatePen())
using (Pen p2 = gridlinePen.CreatePen())
{
for (int i = start; i <= end; i++)
{
double v = Math.Pow(10, i);
float xCoord = DataToCoordinate(v, area);
// ticks and labels
string txt = FormatLabel(v);
SizeF sz = g.MeasureString(txt, f);
if (xCoord >= area.TopLeft.X && xCoord <= area.BottomRight.X)
{
g.DrawLine(p, xCoord, area.TopLeft.Y, xCoord, area.TopLeft.Y + tickLength);
g.DrawString(txt, f, br, xCoord - (sz.Width / 2), area.TopLeft.Y + tickLength);
}
if (gridlinesEnabled && i != end)
{
double v2 = Math.Pow(10, i + 1);
double delta = (v2 - v) / 9;
for (int j = 1; j < 10; j++)
{
double v3 = v + (delta * j);
xCoord = DataToCoordinate(v3, area);
if (xCoord > area.TopLeft.X && xCoord < area.BottomRight.X)
{
g.DrawLine(p2, xCoord, plotArea.TopLeft.Y, xCoord, plotArea.BottomRight.Y);
}
}
}
}
}
}
g.Restore(_s);
}
public AdvancedRect(AdvancedRect orig)
{
TopLeft = new PointF(orig.TopLeft.X, orig.TopLeft.Y);
BottomRight = new PointF(orig.BottomRight.X, orig.BottomRight.Y);
}
protected override float AxisLength(AdvancedRect dataArea)
{
return(dataArea.Width);
}
public double CoordinateToData(float x, AdvancedRect rect)
{
double r = ((x - rect.TopLeft.X) / rect.Width);
return((asDouble(ScaleMaximum) - asDouble(ScaleMinimum)) * r + asDouble(ScaleMinimum));
}
public abstract void Draw(Graphics g, AdvancedRect dataArea);
public void DrawX(Graphics g, AdvancedRect area, AdvancedRect plotArea)
{
drawArea = area;
//using (Brush br = new SolidBrush(Color.Green))
// g.FillRectangle(br, area.Rect);
GraphicsState _s = g.Save();
using (Font f = titleFont.CreateFont())
using (Brush br = titleFont.CreateBrush())
{
string txt = "Time (";
if (weeklyLabels)
{
txt += "weeks)";
}
else if (monthlyLabels || quarterlyLabels)
{
txt += "months)";
}
else if (yearlyLabels)
{
txt += "years)";
}
SizeF sz = g.MeasureString(txt, f);
g.DrawString(txt, f, br, area.Center.X - (sz.Width / 2), area.BottomRight.Y - sz.Height);
}
using (Brush br = labelFont.CreateBrush())
using (Font f = labelFont.CreateFont())
using (Pen p = tickPen.CreatePen())
using (Pen pgrid = gridlinePen.CreatePen())
using (Pen pminor = minorTickPen.CreatePen())
{
float tick = tickLength;
float dayTick = minorTickLength;
TimeSpan dur;
if (weeklyLabels)
{
dur = week;
}
else if (monthlyLabels)
{
dur = month;
}
else if (quarterlyLabels)
{
dur = new TimeSpan(month.Ticks * 3);
}
else
{
dur = year;
}
int cnt = (int)(ScaleMinimum.Ticks / dur.Ticks);
while (true)
{
TimeSpan loc = new TimeSpan(dur.Ticks * cnt);
float x1 = DataToCoordinate(loc, area);
cnt++;
if (x1 < area.TopLeft.X)
{
continue;
}
if (x1 > area.BottomRight.X)
{
break;
}
g.DrawLine(p, x1, area.TopLeft.Y, x1, area.TopLeft.Y + tick);
if (gridlinesEnabled && x1 != area.TopLeft.X && x1 != area.BottomRight.X)
{
g.DrawLine(pgrid, x1, plotArea.TopLeft.Y, x1, plotArea.BottomRight.Y);
}
if (dailyTicks)
{
for (int d = 0; d < 7; d++)
{
float xd = DataToCoordinate(loc + new TimeSpan(d, 0, 0, 0), area);
if (xd > area.TopLeft.X && xd < area.BottomRight.X)
{
g.DrawLine(pminor, xd, area.TopLeft.Y, xd, area.TopLeft.Y + dayTick);
}
}
}
int labelNumber = cnt - 1;
if (quarterlyLabels)
{
labelNumber *= 3;
}
string txt = String.Format("{0}", labelNumber);
SizeF sz = g.MeasureString(txt, f);
g.DrawString(txt, f, br, x1 - (sz.Width / 2), area.TopLeft.Y + tick);
}
}
g.Restore(_s);
}
public abstract void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area);
public float DataToCoordinate(TimeSpan v2, AdvancedRect rect)
{
double r = (double)(v2.Ticks - ScaleMinimum.Ticks) / (double)(ScaleMaximum.Ticks - ScaleMinimum.Ticks);
return((float)((rect.Width * r) + rect.TopLeft.X));
}
public override void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
if (data.Count == 0)
{
return;
}
GraphicsState _s = g.Save();
g.SmoothingMode = SmoothingMode.AntiAlias;
NumericAxis yAxis = yAxisCollection[YAxisName];
double[] baseY = new double[data.Count];
if (yAxis.LogAxis)
{
for (int i = 0; i < data.Count; i++)
{
baseY[i] = yAxis.ScaleMinimum;
}
}
else
{
for (int i = 0; i < data.Count; i++)
{
baseY[i] = 0;
}
}
for (int ySet = 0; ySet < data.GetY(0).Length; ySet++)
{
PointF[] polygon = new PointF[data.Count * 2];
PointF[] line = new PointF[data.Count];
int j = 0;
for (int i = (data.Count - 1); i >= 0; i--, j++)
{
polygon[j] = new PointF(
xAxis.DataToCoordinate(data.GetX(i), area),
yAxis.DataToCoordinate(baseY[i], area)
);
}
for (int i = 0; i < data.Count; i++, j++)
{
double?y = data.GetY(i)[ySet];
if (y == null)
{
y = baseY[i];
}
else
{
y = baseY[i] + y.Value;
}
polygon[j] = new PointF(
xAxis.DataToCoordinate(data.GetX(i), area),
yAxis.DataToCoordinate(y.Value, area)
);
line[i] = polygon[j];
baseY[i] = y.Value;
}
if (brushes.Count != 0)
{
int idx = ySet % brushes.Count;
using (Brush br = brushes[idx].CreateBrush())
g.FillPolygon(br, polygon);
}
if (pens.Count != 0 && line.Length >= 2)
{
int idx = ySet % pens.Count;
using (Pen p = pens[idx].CreatePen())
g.DrawLines(p, line);
}
}
g.Restore(_s);
}
public float DataToCoordinate(double v, AdvancedRect rect)
{
TimeSpan v2 = asTimeSpan(v);
return(DataToCoordinate(v2, rect));
}
