/// <summary>
/// Render all objects to the specified <see cref="Graphics"/> device
/// by calling the Draw method of each <see cref="ArrowItem"/> object in
/// the collection. This method is normally only called by the Draw method
/// of the parent <see cref="AldysPane"/> object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
foreach (ArrowItem item in this)
{
item.Draw(g, pane, scaleFactor);
}
}
/// <summary>
/// See if the <see cref="X"/> or <see cref="Y"/> data arrays are missing
/// for this <see cref="CurveItem"/>. If so, provide a suitable default
/// array using ordinal values.
/// </summary>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
public void DataCheck(AldysPane pane)
{
// See if a default X array is required
if (this.X == null)
{
// if a Y array is available, just make the same number of elements
if (this.Y != null)
{
this.X = MakeDefaultArray(this.Y.Count);
}
else
{
this.X = pane.XAxis.MakeDefaultArray();
}
}
// see if a default Y array is required
if (this.Y == null)
{
// if an X array is available, just make the same number of elements
if (this.X != null)
{
this.Y = MakeDefaultArray(this.X.Count);
}
// else if ( this.isY2Axis )
// this.Y = pane.Y2Axis.MakeDefaultArray();
else
{
this.Y = pane.YAxis.MakeDefaultArray();
}
}
}
/// <summary>
/// Render text to the specified <see cref="Graphics"/> device
/// by calling the Draw method of each <see cref="TextItem"/> object in
/// the collection. This method is normally only called by the Draw method
/// of the parent <see cref="AldysPane"/> object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
foreach (TextItem item in this)
{
//----- Added by Sachin Dokhale
item.WidthX = (float)(item.FontSpec.GetWidth(g, item.Text, scaleFactor)); // * ((float)item.Text.Length);
//item.HeightY = (item.fontSpec.GetHeight); //* (flot) text.Length ;
//item.WidthX = (item.FontSpec.GetWidth(g, scaleFactor)); // * item.Text.Length);
//-----
//The following condition is added by deepak b on 07.04.06
if (item.X < pane.XAxis.Min || item.X > pane.XAxis.Max || item.Y < pane.YAxis.Min || item.Y > pane.YAxis.Max)
{
if (Convert.ToDouble(item.X) < (pane.XAxis.Min))
{
item.X = (float)pane.XAxis.Min;
}
if (Convert.ToDouble(item.X) > (pane.XAxis.Max))
{
item.X = (float)pane.XAxis.Max;
}
if (Convert.ToDouble(item.Y) < (pane.YAxis.Min))
{
item.Y = (float)pane.YAxis.Min;
}
if (Convert.ToDouble(item.Y) > (pane.YAxis.Max))
{
item.Y = (float)pane.YAxis.Max;
}
item.Draw(g, pane, scaleFactor);
}
else
{
//Added By Pankaj Bamb on 04 Sup 07
if (item.X <= pane.XAxis.Min + item.Text.Length / 2)
{
item.AlignH = FontAlignH.Left;
}
else if (item.X >= pane.XAxis.Max - item.Text.Length / 2)
{
item.AlignH = FontAlignH.Right;
}
else
{
item.AlignH = FontAlignH.Center;
}
//Ended by pankaj Bamb
item.Draw(g, pane, scaleFactor);
}
}
//item.Draw( g, pane, scaleFactor );
}
/// <summary>
/// Render all the <see cref="CurveItem"/> objects in the list to the
/// specified <see cref="Graphics"/>
/// device by calling the <see cref="CurveItem.Draw"/> member function of
/// each <see cref="CurveItem"/> object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
// Loop for each curve
foreach (CurveItem curve in this)
{
// Render the curve
//curve.Draw( g, pane, scaleFactor );
if (curve.IsHighPeakLine)
{
this.isResizing = false;
}
curve.Draw(g, pane, scaleFactor);
}
}
// public AldysPane()
// {
// //
// // TODO: Add constructor logic here
// //
// }
/// <summary>
/// The Copy Constructor
/// </summary>
/// <param name="rhs">The GraphPane object from which to copy</param>
public AldysPane(AldysPane rhs)
{
statusflag = rhs.statusflag;
bPeakEdit = rhs.bPeakEdit;
cursor = Cursors.NoMove2D;
this.peakX = rhs.peakX;
this.peakY = rhs.peakY;
//Added By Mangesh S. on 25-Nov-2006
this.peakInfoX = rhs.peakInfoX;
this.peakInfoY = rhs.peakInfoY;
//Added By Mangesh S. on 25-Nov-2006
paneRect = rhs.PaneRect;
axisRect = rhs.AxisRect;
xAxis = new XAxis(rhs.XAxis);
yAxis = new YAxis(rhs.YAxis);
legend = new Legend(rhs.Legend);
curveList = new CurveList(rhs.CurveList);
textList = new TextList(rhs.TextList);
arrowList = new ArrowList(rhs.ArrowList);
this.title = rhs.Title;
this.isShowTitle = rhs.IsShowTitle;
this.fontSpec = new FontSpecs(rhs.fontSpec);
this.isIgnoreInitial = rhs.IsIgnoreInitial;
this.isPaneFramed = rhs.IsPaneFramed;
this.paneFrameColor = rhs.PaneFrameColor;
this.paneFramePenWidth = rhs.PaneFramePenWidth;
this.paneBackColor = rhs.PaneBackColor;
this.isAxisFramed = rhs.IsAxisFramed;
this.axisFrameColor = rhs.AxisFrameColor;
this.axisFramePenWidth = rhs.AxisFramePenWidth;
this.axisBackColor = rhs.AxisBackColor;
this.baseDimension = rhs.BaseDimension;
this.paneGap = rhs.PaneGap;
this.objAldysGraphTmp = rhs.objAldysGraphTmp;
this.ShowCurveLabels = rhs.ShowCurveLabels;
}
public void InsertCurvePixels(AldysPane pane, ArrayList peakx, ArrayList peaky)
{
// Transform the current point from user scale units to
// screen coordinates
float fX, fY;
fX = 0;
fY = 0;
for (int i = 0; i < this.NPts; i++)
{
fX = pane.XAxis.Transform(((double)this.X[i]));
fY = pane.YAxis.Transform(((double)this.Y[i]));
if (pane.axisRect.Contains(fX, fY))
{
peakx.Add((double)fX);
peaky.Add((double)fY);
}
}
}
/// <summary>
/// Render this <see cref="TextItem"/> object to the specified <see cref="Graphics"/> device
/// This method is normally only called by the Draw method
/// of the parent <see cref="TextList"/> collection object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
// transform the x,y location from the user-defined
// coordinate frame to the screen pixel location
PointF pix = pane.GeneralTransform(new PointF(this.x, this.y),
this.coordinateFrame);
// Draw the text on the screen, including any frame and background
// fill elements
if ((pix.X + this.WidthX) >= pane.paneRect.Width)
{
pix.X = pane.paneRect.Width - (this.WidthX + 5);
}
if (pix.X > -10000 && pix.X < 100000 && pix.Y > -100000 && pix.Y < 100000)
{
this.FontSpec.Draw(g, this.text, pix.X, pix.Y,
this.alignH, this.alignV, scaleFactor);
}
}
public void DrawManyEx(Graphics g, AldysPane pane, float[] x, float[] y, double scaleFactor, ArrayList xY)
{
// Only draw if the symbol is visible
if (this.isVisible)
{
SolidBrush brush = new SolidBrush(this.color);
Pen pen = new Pen(this.color, this.penWidth);
int nPts = x.Length - 1;
for (int i = 0; i < nPts; i++)
{
if (x[i] != System.Single.MaxValue &&
y[i] != System.Single.MaxValue)
{
// Fill or draw the symbol as required
if ((((double)xY[i]) >= pane.YAxis.UpperAlarmLineY) && pane.YAxis.UpperAlarmLine)
{
pen.Color = pane.YAxis.UpperAlarmLineColor;
}
else if ((((double)xY[i]) <= pane.YAxis.LowerAlarmLineY) && pane.YAxis.LowerAlarmLine)
{
//pen.Color = pane.YAxis.LowerAlarmLineColor;
pen.Color = this.color;
}
else
{
pen.Color = this.color;
}
if (this.isFilled)
{
FillPoint(g, x[i], y[i], scaleFactor, pen, brush);
}
else
{
DrawPoint(g, x[i], y[i], scaleFactor, pen);
}
}
}
}
}
/// <summary>
/// Render this object to the specified <see cref="Graphics"/> device
/// This method is normally only called by the Draw method
/// of the parent <see cref="ArrowList"/> collection object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
// Convert the arrow coordinates from the user coordinate system
// to the screen coordinate system
PointF pix1 = pane.GeneralTransform(new PointF(this.x1, this.y1),
this.coordinateFrame);
PointF pix2 = pane.GeneralTransform(new PointF(this.x2, this.y2),
this.coordinateFrame);
if (pix1.X > -10000 && pix1.X < 100000 && pix1.Y > -100000 && pix1.Y < 100000 &&
pix2.X > -10000 && pix2.X < 100000 && pix2.Y > -100000 && pix2.Y < 100000)
{
// get a scaled size for the arrowhead
float scaledSize = (float)(this.size * scaleFactor);
// calculate the length and the angle of the arrow "vector"
double dy = pix2.Y - pix1.Y;
double dx = pix2.X - pix1.X;
float angle = (float)Math.Atan2(dy, dx) * 180.0F / (float)Math.PI;
float length = (float)Math.Sqrt(dx * dx + dy * dy);
// Save the old transform matrix
Matrix transform = g.Transform;
// Move the coordinate system so it is located at the starting point
// of this arrow
g.TranslateTransform(pix1.X, pix1.Y);
// Rotate the coordinate system according to the angle of this arrow
// about the starting point
g.RotateTransform(angle);
// get a pen according to this arrow properties
Pen pen = new Pen(this.color, this.penWidth);
// Draw the line segment for this arrow
g.DrawLine(pen, 0, 0, length, 0);
// Only show the arrowhead if required
if (this.isArrowHead)
{
SolidBrush brush = new SolidBrush(this.color);
// Create a polygon representing the arrowhead based on the scaled
// size
PointF[] polyPt = new PointF[4];
float hsize = scaledSize / 3.0F;
polyPt[0].X = length;
polyPt[0].Y = 0;
polyPt[1].X = length - size;
polyPt[1].Y = hsize;
polyPt[2].X = length - size;
polyPt[2].Y = -hsize;
polyPt[3] = polyPt[0];
// render the arrowhead
g.FillPolygon(brush, polyPt);
}
// Restore the transform matrix back to its original state
g.Transform = transform;
}
}
/// <summary>
/// Calculate the <see cref="Legend"/> rectangle (see cref="Rect"/>),
/// taking into account the number of required legend
/// entries, and the legend drawing preferences. Adjust the size of the
/// <see cref="AldysPane.AxisRect"/> for the parent <see cref="AldysPane"/> to accomodate the
/// space required by the legend.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
/// <param name="axisRect">
/// The rectangle that contains the area bounded by the axes, in pixel units.
/// <seealso cref="AldysPane.AxisRect">AxisRect</seealso>
/// </param>
/// <param name="hStack">The number of columns (horizontal stacking) to be used
/// for drawing the legend</param>
/// <param name="legendWidth">The width of each column in the legend (pixels)</param>
public void CalcRect(Graphics g, AldysPane pane, double scaleFactor,
ref RectangleF axisRect, out int hStack,
out float legendWidth)
{
// Start with an empty rectangle
this.rect = Rectangle.Empty;
hStack = 1;
legendWidth = 1;
// If the legend is invisible, don't do anything
if (!this.isVisible)
{
return;
}
int nCurve = 0;
float charHeight = this.FontSpec.GetHeight(scaleFactor),
halfCharHeight = charHeight / 2.0F,
charWidth = this.FontSpec.GetWidth(g, scaleFactor),
gap = pane.ScaledGap(scaleFactor),
maxWidth = 0,
tmpWidth;
// Loop through each curve in the curve list
// Find the maximum width of the legend labels
foreach (CurveItem curve in pane.CurveList)
{
// Calculate the width of the label save the max width
if (curve.Label.ToString() == "")
{
continue;
}
tmpWidth = this.FontSpec.GetWidth(g, curve.Label, scaleFactor);
if (tmpWidth > maxWidth)
{
maxWidth = tmpWidth;
}
nCurve++;
}
float widthAvail;
// Is this legend horizontally stacked?
if (this.isHStack)
{
// Determine the available space for horizontal stacking
switch (this.location)
{
// Never stack if the legend is to the right or left
case LegendLoc.Right:
case LegendLoc.Left:
widthAvail = 0;
break;
// for the top & bottom, the axis frame width is available
case LegendLoc.Top:
case LegendLoc.Bottom:
widthAvail = pane.AxisRect.Width;
break;
// for inside the axis area, use 1/2 of the axis frame width
case LegendLoc.InsideTopRight:
case LegendLoc.InsideTopLeft:
case LegendLoc.InsideBotRight:
case LegendLoc.InsideBotLeft:
widthAvail = pane.AxisRect.Width / 2;
break;
// shouldn't ever happen
default:
widthAvail = 0;
break;
}
// width of one legend entry
legendWidth = 3 * charHeight + maxWidth;
// Calculate the number of columns in the legend
// Normally, the legend is:
// available width / ( max width of any entry + space for line&symbol )
if (maxWidth > 0)
{
hStack = (int)((widthAvail - halfCharHeight) / legendWidth);
}
// You can never have more columns than legend entries
if (hStack > nCurve)
{
hStack = nCurve;
}
// a saftey check
if (hStack == 0)
{
hStack = 1;
}
}
else
{
legendWidth = 3.5F * charHeight + maxWidth;
}
// legend is:
// item: space line space text space
// width: wid 4*wid wid maxWid wid
// The symbol is centered on the line
//
// legend begins 3 * wid to the right of the plot rect
//
// The height of the legend is the actual height of the lines of text
// (nCurve * hite) plus wid on top and wid on the bottom
// total legend width
float totLegWidth = hStack * legendWidth;
// The total legend height
float legHeight = (float)Math.Ceiling((double)nCurve / (double)hStack)
* charHeight;
// Now calculate the legend rect based on the above determined parameters
// Also, adjust the plotArea and axisRect to reflect the space for the legend
if (nCurve > 0)
{
// The switch statement assigns the left and top edges, and adjusts the axisRect
// as required. The right and bottom edges are calculated at the bottom of the switch.
switch (this.location)
{
case LegendLoc.Right:
this.rect.X = pane.PaneRect.Right - totLegWidth - gap;
this.rect.Y = axisRect.Top;
axisRect.Width -= totLegWidth + halfCharHeight;
break;
case LegendLoc.Top:
this.rect.X = axisRect.Left;
this.rect.Y = axisRect.Top;
axisRect.Y += legHeight + halfCharHeight;
axisRect.Height -= legHeight + halfCharHeight;
break;
case LegendLoc.Bottom:
this.rect.X = axisRect.Left;
this.rect.Y = pane.PaneRect.Bottom - legHeight - gap;
axisRect.Height -= legHeight + halfCharHeight;
break;
case LegendLoc.Left:
this.rect.X = pane.PaneRect.Left + gap;
this.rect.Y = axisRect.Top;
axisRect.X += totLegWidth + halfCharHeight;
axisRect.Width -= totLegWidth + halfCharHeight;
break;
case LegendLoc.InsideTopRight:
this.rect.X = axisRect.Right - totLegWidth;
this.rect.Y = axisRect.Top;
break;
case LegendLoc.InsideTopLeft:
this.rect.X = axisRect.Left;
this.rect.Y = axisRect.Top;
break;
case LegendLoc.InsideBotRight:
this.rect.X = axisRect.Right - totLegWidth;
this.rect.Y = axisRect.Bottom - legHeight;
break;
case LegendLoc.InsideBotLeft:
this.rect.X = axisRect.Left;
this.rect.Y = axisRect.Bottom - legHeight;
break;
}
// Calculate the Right and Bottom edges of the rect
this.rect.Width = totLegWidth;
this.rect.Height = legHeight;
}
}
/// <summary>
/// Render the <see cref="Legend"/> to the specified <see cref="Graphics"/> device
/// This method is normally only called by the Draw method
/// of the parent <see cref="AldysPane"/> object.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
/// <param name="hStack">The number of columns (horizontal stacking) to be used
/// for drawing the legend</param>
/// <param name="legendWidth">The width of each column in the legend</param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor,
int hStack, float legendWidth)
{
// if the legend is not visible, do nothing
if (!this.isVisible)
{
return;
}
// Fill the background with the specified color if required
if (this.isFilled)
{
SolidBrush brush = new SolidBrush(this.fillColor);
g.FillRectangle(brush, this.rect);
}
// Set up some scaled dimensions for calculating sizes and locations
float charHeight = this.FontSpec.GetHeight(scaleFactor),
halfCharHeight = charHeight / 2.0F;
float charWidth = this.FontSpec.GetWidth(g, scaleFactor);
float gap = pane.ScaledGap(scaleFactor);
int iEntry = 0;
float x, y;
// Get a brush for the legend label text
SolidBrush brushB = new SolidBrush(Color.Black);
// Loop for each curve in the CurveList collection
foreach (CurveItem curve in pane.CurveList)
{
// Calculate the x,y (TopLeft) location of the current
// curve legend label
// assuming:
// charHeight/2 for the left margin, plus legendWidth for each
// horizontal column
// charHeight is the line spacing, with no extra margin above
if (curve.Label.ToString() != "")
{
x = this.rect.Left + halfCharHeight +
(iEntry % hStack) * legendWidth;
y = this.rect.Top + (int)(iEntry / hStack) * charHeight;
// Draw the legend label for the current curve
this.FontSpec.Draw(g, curve.Label, x + 2.5F * charHeight, y,
FontAlignH.Left, FontAlignV.Top, scaleFactor);
// Draw a sample curve to the left of the label text
curve.Line.Draw(g, x, y + charHeight / 2,
x + 2 * charHeight, y + halfCharHeight);
// Draw a sample symbol to the left of the label text
curve.Symbol.Draw(g, x + charHeight, y + halfCharHeight,
scaleFactor);
// maintain a curve count for positioning
iEntry++;
}
}
// Draw a frame around the legend if required
if (iEntry > 0 && this.isFramed)
{
Pen pen = new Pen(this.frameColor, this.frameWidth);
g.DrawRectangle(pen, Rectangle.Round(this.rect));
}
}
/// <summary>
/// Go through each <see cref="CurveItem"/> object in the collection,
/// calling the <see cref="CurveItem.GetRange"/> member to
/// determine the minimum and maximum values in the
/// <see cref="CurveItem.X"/> and <see cref="CurveItem.Y"/> data arrays. In the event that no
/// data are available, a default range of min=0.0 and max=1.0 are returned.
/// If any <see cref="CurveItem"/> in the list has a missing
/// <see cref="CurveItem.X"/> or <see cref="CurveItem.Y"/> data array, and suitable
/// default array will be created with ordinal values.
/// </summary>
/// <param name="xMinVal">The minimun X value in the data range for all curves
/// in this collection</param>
/// <param name="xMaxVal">The maximun X value in the data range for all curves
/// in this collection</param>
/// <param name="yMinVal">The minimun Y (left Y axis) value in the data range
/// for all curves in this collection</param>
/// <param name="yMaxVal">The maximun Y (left Y axis) value in the data range
/// for all curves in this collection</param>
/// <param name="y2MinVal">The minimun Y2 (right Y axis) value in the data range
/// for all curves in this collection</param>
/// <param name="y2MaxVal">The maximun Y2 (right Y axis) value in the data range
/// for all curves in this collection</param>
/// <param name="bIgnoreInitial">ignoreInitial is a boolean value that
/// affects the data range that is considered for the automatic scale
/// ranging (see <see cref="AldysPane.IsIgnoreInitial"/>). If true, then initial
/// data points where the Y value is zero are not included when
/// automatically determining the scale <see cref="Axis.Min"/>,
/// <see cref="Axis.Max"/>, and <see cref="Axis.Step"/> size. All data after
/// the first non-zero Y value are included.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
public void GetRange(out double xMinVal, out double xMaxVal,
out double yMinVal, out double yMaxVal,
out double y2MinVal, out double y2MaxVal,
bool bIgnoreInitial, AldysPane pane)
{
double tXMinVal,
tXMaxVal,
tYMinVal,
tYMaxVal;
// initialize the values to outrageous ones to start
xMinVal = yMinVal = y2MinVal = tXMinVal = tYMinVal = 1e20;
xMaxVal = yMaxVal = y2MaxVal = tXMaxVal = tYMaxVal = -1e20;
// Loop over each curve in the collection
foreach (CurveItem curve in this)
{
// Generate default arrays of ordinal values if any data arrays are missing
curve.DataCheck(pane);
// Call the GetRange() member function for the current
// curve to get the min and max values
curve.GetRange(ref tXMinVal, ref tXMaxVal,
ref tYMinVal, ref tYMaxVal, bIgnoreInitial);
// If the min and/or max values from the current curve
// are the absolute min and/or max, then save the values
// Also, differentiate between Y and Y2 values
if (curve.IsY2Axis)
{
if (tYMinVal < y2MinVal)
{
y2MinVal = tYMinVal;
}
if (tYMaxVal > y2MaxVal)
{
y2MaxVal = tYMaxVal;
}
}
else
{
if (tYMinVal < yMinVal)
{
yMinVal = tYMinVal;
}
if (tYMaxVal > yMaxVal)
{
yMaxVal = tYMaxVal;
}
}
if (tXMinVal < xMinVal)
{
xMinVal = tXMinVal;
}
if (tXMaxVal > xMaxVal)
{
xMaxVal = tXMaxVal;
}
}
// Define suitable default ranges in the event that
// no data were available
if (xMinVal >= 1e20 || xMaxVal <= -1e20)
{
xMinVal = 0;
xMaxVal = 1;
}
if (yMinVal >= 1e20 || yMaxVal <= -1e20)
{
yMinVal = 0;
yMaxVal = 1;
}
if (y2MinVal >= 1e20 || y2MaxVal <= -1e20)
{
y2MinVal = 0;
y2MaxVal = 1;
}
}
/// <summary>
/// Do all rendering associated with this <see cref="CurveItem"/> to the specified
/// <see cref="Graphics"/> device. This method is normally only
/// called by the Draw method of the parent <see cref="AldysGraph.CurveList"/>
/// collection object. This version is optimized for speed and should be much
/// faster than the regular Draw() routine.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A reference to the <see cref="AldysGraph.AldysPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="ZedGraph.AldysPane"/> object using the
/// <see cref="AldysPane.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public void Draw(Graphics g, AldysPane pane, double scaleFactor)
{
int nPts = this.NPts - 1;
float[] tmpX;
float[] tmpY;
int i = 0;
if ((this.isHighPeakLine == false) && (this.AddPointFlg == false) || (this.AddPointFlg == true && pane.CurveList.isResizing))
{
tmpX = new float[nPts];
tmpY = new float[nPts];
// Loop over each point in the curve
for (i = 0; i < nPts; i++)
{
if (((double)this.X[i]) == System.Double.MaxValue ||
((double)this.Y[i]) == System.Double.MaxValue ||
(pane.XAxis.IsLog && ((double)this.X[i]) <= 0.0) ||
//( this.isY2Axis && pane.Y2Axis.IsLog && this.Y[i] <= 0.0 ) ||
(!this.isY2Axis && pane.YAxis.IsLog && ((double)this.Y[i]) <= 0.0))
{
tmpX[i] = float.MaxValue;
tmpY[i] = float.MaxValue;
}
else
{
// Transform the current point from user scale units to
// screen coordinates
tmpX[i] = pane.XAxis.Transform(((double)this.X[i]));
tmpY[i] = pane.YAxis.Transform(((double)this.Y[i]));
if (tmpX[i] < -100000 || tmpX[i] > 100000 ||
tmpY[i] < -100000 || tmpY[i] > 100000)
{
tmpX[i] = System.Single.MaxValue;
tmpY[i] = System.Single.MaxValue;
}
}
}
this.Line.ColorList = this.CL;
this.Line.DrawManyEx(g, pane, tmpX, tmpY, this.Y);
//pane.CurveList.isResizing = false;
if ((this.SYM.Count > 0) && (this.CL.Count > 0))
{
this.Symbol.DrawMany(g, tmpX, tmpY, scaleFactor, this.CL, this.SYM);
}
else
{
this.Symbol.DrawManyEx(g, pane, tmpX, tmpY, scaleFactor, this.Y);
}
if (this.mblnIsScatteredPointsCurve)
{
//Plot the scattered points
for (i = 0; i < this.ScatteredPoints.Count; i++)
{
//---Draw the single point
Point objPoint = (Point)ScatteredPoints[i];
float fX = pane.XAxis.Transform((double)objPoint.X);
float fY = pane.YAxis.Transform((double)objPoint.Y);
Color curveColor = this.Symbol.Color;
this.Symbol.Color = objPoint.PointColor;
this.Symbol.Size = objPoint.PointRadius;
this.Symbol.Draw(g, fX, fY, scaleFactor);
this.Symbol.Color = curveColor;
}
}
}
else
{
if (nPts == 1 || nPts == 0)
{
//---in future to draw single point in curve
//---Added By Mangesh S. on 26-Nov-2006
//if (this.mblnIsScatteredPointsCurve){
//---Loop over each point in the curve
//for ( i=0; i < this.NPts ; i++ )
//{
// //---Draw the single point
// float fX = pane.XAxis.Transform( ((double)this.X[i]));
// float fY = pane.YAxis.Transform( ((double)this.Y[i]));
// this.Symbol.Draw(g,fX,fY,scaleFactor);
//}
//}
return;
}
tmpX = new float[2];
tmpY = new float[2];
int j;
//Draw only for last two points
for (i = this.NPts - 2, j = 0; i < this.NPts; i++, j++)
{
if (((double)this.X[i]) == System.Double.MaxValue ||
((double)this.Y[i]) == System.Double.MaxValue ||
(pane.XAxis.IsLog && ((double)this.X[i]) <= 0.0) ||
(!this.isY2Axis && pane.YAxis.IsLog && ((double)this.Y[i]) <= 0.0))
{
tmpX[j] = System.Single.MaxValue;
tmpY[j] = System.Single.MaxValue;
}
else
{
// Transform the current point from user scale units to
// screen coordinates
tmpX[j] = pane.XAxis.Transform(((double)this.X[i]));
tmpY[j] = pane.YAxis.Transform(((double)this.Y[i]));
if (tmpX[j] < -100000 || tmpX[j] > 100000 ||
tmpY[j] < -100000 || tmpY[j] > 100000)
{
tmpX[j] = System.Single.MaxValue;
tmpY[j] = System.Single.MaxValue;
}
}
}
this.Line.DrawManyEx(g, pane, tmpX, tmpY, this.Y);
this.Symbol.DrawMany(g, tmpX, tmpY, scaleFactor);
}
}
public void DrawManyEx(Graphics g, AldysPane pane, float[] x, float[] y, ArrayList xY)
{
if (this.isVisible)
{
Pen pen = new Pen(this.color, this.width);
pen.DashStyle = this.Style;
int nSeg = x.Length - 1;
int iPlus = 0;
float xTmp, yTmp;
xTmp = yTmp = 0;
float slope, constant;
slope = constant = 0;
for (int i = 0; i < nSeg; i++)
{
iPlus++;
if (x[i] != System.Single.MaxValue &&
x[iPlus] != System.Single.MaxValue &&
y[i] != System.Single.MaxValue &&
y[iPlus] != System.Single.MaxValue)
{
if (this.StepType == StepType.NonStep)
{
if ((((double)xY[i]) >= pane.YAxis.UpperAlarmLineY) && (((double)xY[iPlus]) >= pane.YAxis.UpperAlarmLineY) && pane.YAxis.UpperAlarmLine)
{
pen.Color = pane.YAxis.UpperAlarmLineColor;
CurveStatus cStatus = new CurveStatus(1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, x[i], y[i], x[iPlus], y[iPlus]);
}
else if ((((double)xY[i]) < pane.YAxis.UpperAlarmLineY) && (((double)xY[iPlus]) > pane.YAxis.UpperAlarmLineY) && pane.YAxis.UpperAlarmLine)
{
//find the slope of the line
if (x[i] - x[iPlus] != 0)
{
slope = (y[iPlus] - y[i]) / (x[iPlus] - x[i]);
constant = y[i] - (((y[iPlus] - y[i]) / (x[iPlus] - x[i])) * x[i]);
}
//find the new point
yTmp = pane.YAxis.Transform(pane.YAxis.UpperAlarmLineY);
xTmp = (yTmp - constant) / slope;
pen.Color = this.color;
g.DrawLine(pen, x[i], y[i], xTmp, yTmp);
pen.Color = pane.YAxis.UpperAlarmLineColor;
CurveStatus cStatus = new CurveStatus(1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, xTmp, yTmp, x[iPlus], y[iPlus]);
}
else if ((((double)xY[i]) > pane.YAxis.UpperAlarmLineY) && (((double)xY[iPlus]) < pane.YAxis.UpperAlarmLineY) && pane.YAxis.UpperAlarmLine)
{
//find the slope of the line
if (x[i] - x[iPlus] != 0)
{
slope = (y[iPlus] - y[i]) / (x[iPlus] - x[i]);
constant = y[i] - (((y[iPlus] - y[i]) / (x[iPlus] - x[i])) * x[i]);
}
//find the new point
yTmp = pane.YAxis.Transform(pane.YAxis.UpperAlarmLineY);
xTmp = (yTmp - constant) / slope;
pen.Color = pane.YAxis.UpperAlarmLineColor;
CurveStatus cStatus = new CurveStatus(1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, x[i], y[i], xTmp, yTmp);
pen.Color = this.color;
g.DrawLine(pen, xTmp, yTmp, x[iPlus], y[iPlus]);
}
else if ((((double)xY[i]) <= pane.YAxis.LowerAlarmLineY) && (((double)xY[iPlus]) <= pane.YAxis.LowerAlarmLineY) && pane.YAxis.LowerAlarmLine)
{
pen.Color = this.color;
//Sachin Ashtankar
//pen.Color = pane.YAxis.LowerAlarmLineColor;
CurveStatus cStatus = new CurveStatus(-1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, x[i], y[i], x[iPlus], y[iPlus]);
}
else if ((((double)xY[i]) > pane.YAxis.LowerAlarmLineY) && (((double)xY[iPlus]) < pane.YAxis.LowerAlarmLineY) && pane.YAxis.LowerAlarmLine)
{
//find the slope of the line
if (x[i] - x[iPlus] != 0)
{
slope = (y[iPlus] - y[i]) / (x[iPlus] - x[i]);
constant = y[i] - (((y[iPlus] - y[i]) / (x[iPlus] - x[i])) * x[i]);
}
//find the new point
yTmp = pane.YAxis.Transform(pane.YAxis.LowerAlarmLineY);
xTmp = (yTmp - constant) / slope;
pen.Color = this.color;
g.DrawLine(pen, x[i], y[i], xTmp, yTmp);
pen.Color = pane.YAxis.LowerAlarmLineColor;
CurveStatus cStatus = new CurveStatus(1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, xTmp, yTmp, x[iPlus], y[iPlus]);
}
else if ((((double)xY[i]) < pane.YAxis.LowerAlarmLineY) && (((double)xY[iPlus]) > pane.YAxis.LowerAlarmLineY) && pane.YAxis.LowerAlarmLine)
{
//find the slope of the line
if (x[i] - x[iPlus] != 0)
{
slope = (y[iPlus] - y[i]) / (x[iPlus] - x[i]);
constant = y[i] - (((y[iPlus] - y[i]) / (x[iPlus] - x[i])) * x[i]);
}
//find the new point
yTmp = pane.YAxis.Transform(pane.YAxis.LowerAlarmLineY);
xTmp = (yTmp - constant) / slope;
pen.Color = this.color;
g.DrawLine(pen, xTmp, yTmp, x[iPlus], y[iPlus]);
pen.Color = pane.YAxis.LowerAlarmLineColor;
CurveStatus cStatus = new CurveStatus(1);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, x[i], y[i], xTmp, yTmp);
}
else
{
if (this.CL.Count > 0)
{
pen.Color = (Color)this.CL[i]; //this.color;
}
else
{
pen.Color = this.color;
}
CurveStatus cStatus = new CurveStatus(0);
pane.GetStatusEvent(cStatus);
g.DrawLine(pen, x[i], y[i], x[iPlus], y[iPlus]);
}
//g.DrawLine( pen, xTmp, y[i], x[iPlus], y[iPlus] );
}
else if (this.StepType == StepType.ForwardStep)
{
g.DrawLine(pen, x[i], y[i], x[iPlus], y[i]);
g.DrawLine(pen, x[iPlus], y[i], x[iPlus], y[iPlus]);
}
else if (this.StepType == StepType.RearwardStep)
{
g.DrawLine(pen, x[i], y[i], x[i], y[iPlus]);
g.DrawLine(pen, x[i], y[iPlus], x[iPlus], y[iPlus]);
}
}
}
}
}