private void RemoveLine(NuGenPoint pFrom, NuGenPoint pTo)
{
lines.Remove(pFrom.NextLine);
pFrom.NextLine = null;
pTo.PreviousLine = null;
}
//Sets a gestating point to a full scale point so that it takes place in
// scale computations
public bool SetScalePoint(NuGenPoint p, double x, double y)
{
dirtyScaleTransformation = true;
p.XThetaGraph = x;
p.YRGraph = y;
int result = ComputeTransformation();
switch (result)
{
case NuGenMath.SUCCESS:
return(true);
case NuGenMath.NO_SPREAD:
MessageBox.Show("Invalid scale point definition for a log scale, redefine points"); break;
case NuGenMath.NONPOSITIVE_COORDINATE:
MessageBox.Show("Invalid scale point definition for a log scale, redefine points"); break;
case NuGenMath.BAD_GRAPH_COORDINATES:
MessageBox.Show("Scale points can not be colinear or colocated"); break;
case NuGenMath.BAD_SCREEN_COORDINATES:
MessageBox.Show("Scale points can not be colinear or colocated"); break;
}
return(false);
}
//Adds the point p to the measure with the name "name"
public void AddPointMeasure(NuGenPoint p, string name)
{
foreach (NuGenPointSet pointset in measureList)
{
if (pointset.Name.Equals(name))
{
pointset.AddPoint(p);
}
}
}
public NuGenPoint(NuGenPoint other)
{
this.xScreen = other.xScreen;
this.yScreen = other.yScreen;
xThetaGraph = other.XThetaGraph;
yRGraph = other.yRGraph;
xThetaDefined = other.xThetaDefined;
yRDefined = other.yRDefined;
pointSet = new NuGenPointSet();
}
public NuGenPoint(NuGenPoint other)
{
this.xScreen = other.xScreen;
this.yScreen = other.yScreen;
xThetaGraph = other.XThetaGraph;
yRGraph = other.yRGraph;
xThetaDefined = other.xThetaDefined;
yRDefined = other.yRDefined;
pointSet = new NuGenPointSet();
}
// for curve pointsets connected as Single Valued Functions, since the graph coordinates
// of all points are updated, we must reconnect any points that were reordered. remember,
// a single valued function has only a single value per xTheta value, so the lines cannot overlap
public void ForceSingleValued(CoordSettings coord, NuGenScreenTranslate transform)
{
// quick exit if pointset is a closed contour, which is the case for all axis, scale and
// measure pointsets. curve pointsets may be either single valued functions, or closed contours
if (style.lineConnectAs != LineConnectAs.SingleValuedFunction)
{
return;
}
// quick exit if points are already in order
if (SingleValued(coord, transform))
{
return;
}
Comparison <NuGenPoint> comparison = new Comparison <NuGenPoint>(this.XThetaSort);
// sort the points by xTheta
points.Sort(comparison);
// to prevent having to remove N lines and then immediately adding N lines, we only
// adjust as many lines as necessary
NuGenPoint pOld = points[points.Count - 1];
NuGenPoint pOlder = null;
foreach (NuGenPoint pNew in points)
{
if (pOlder != null)
{
if ((pOlder.NextLine != pNew.PreviousLine) || (pNew.PreviousLine == null))
{
if (pOlder.NextLine == null)
{
pOlder.NextLine = pOld.NextLine;
pOld.NextLine = null;
}
pOlder.NextLine.start.X = pOlder.XScreen;
pOlder.NextLine.start.Y = pOlder.YScreen;
pOlder.NextLine.end.X = pNew.XScreen;
pOlder.NextLine.end.Y = pNew.YScreen;
pNew.PreviousLine = pOlder.NextLine;
}
}
else
{
pNew.PreviousLine = null;
}
pOlder = pNew;
}
}
// merge the x values of this pointset into a sorted list having unique x values. although
// this returns numeric x values with full precision, their exported precision must be
// specified so no adjacent exported x values will have the same value (breaks postprocessing
// tools such as sql databases)
public void MergeUniqueXValues(List <double> list, int xPrecision)
{
if (points.Count == 0)
{
return;
}
NuGenPoint p = points[0];
int index = 0;
for (int i = 0; i < list.Count; i++)
{
double x = list[i];
for (; p.XThetaGraph < x && index < points.Count; index++)
{
p = points[index];
list.Insert(list.IndexOf(x), p.XThetaGraph);
}
if (index >= points.Count)
{
break;
}
}
while (index < points.Count)
{
p = points[index++];
list.Add(p.XThetaGraph);
}
string xLast = "", xNew;
double d = list[0];
for (int i = 1; i < list.Count;)
{
xNew = String.Format("{0}", Math.Round(d, xPrecision).ToString());
if (xLast.Equals(xNew))
{
list.Remove(d);
d = list[i];
}
else
{
d = list[i++];
}
xLast = xNew;
}
}
//Gets the distance along the curve of each point
private void GeometryInfoDistance(ref int pNextRow, List <NuGenGeometryWindowItem> rInfo, bool cartesian)
{
bool firstPoint;
double xLast = 0.0, yLast = 0.0, x, y;
double totalDistance = 0.0, distance;
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 0, cartesian ? "X" : "Theta"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 1, cartesian ? "Y" : "R"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 2, "Index"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 3, "Distance"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 4, "Percent"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 5, "Distance"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 6, "Percent"));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 7, "Angle"));
pNextRow++;
// first pass computes totalDistance and xLast and yLast, second pass outputs one line per point
for (int pass = 0; pass < 2; pass++)
{
firstPoint = true;
distance = 0.0;
NuGenPoint point;
for (int i = 0; i < points.Count; i++)
{
point = points[i];
x = point.XThetaGraph;
y = point.YRGraph;
if (!firstPoint)
{
distance += Math.Sqrt((x - xLast) * (x - xLast) + (y - yLast) * (y - yLast));
}
NuGenPoint next = (i + 1) != points.Count ? points[i + 1] : points[0];
if (pass == 1)
{
GeometryInfoDistancePass1(i, next, xLast, yLast, x, y, distance, totalDistance,
ref pNextRow, rInfo);
}
firstPoint = false;
xLast = x;
yLast = y;
}
totalDistance = distance;
}
}
// add axis or curve point, depending on state. axis point graph coordinates are set later by
// setAxisPoint so user can see where the new axis point lies while editing the graph coordinatees
public NuGenPoint AddPoint(int xScreen, int yScreen, NuGenPointSet destination)
{
double xThetaGraph = 0.0, yRGraph = 0.0;
NuGenPoint p;
if ((digitizeState == DigitizeState.CurveState) ||
(digitizeState == DigitizeState.MeasureState))
{
ScreenToXThetaYR(xScreen, yScreen, out xThetaGraph, out yRGraph);
p = new NuGenPoint(xScreen, yScreen, xThetaGraph, yRGraph);
}
else
{
p = new NuGenPoint(xScreen, yScreen);
}
switch (digitizeState)
{
case DigitizeState.AxisState:
dirtyAxesTransformation = true;
pointSets.AddPointAxes(p);
break;
case DigitizeState.CurveState:
case DigitizeState.SegmentState:
pointSets.AddPointCurve(p, currentCurveName);
break;
case DigitizeState.MeasureState:
pointSets.AddPointMeasure(p, currentMeasureName);
break;
case DigitizeState.ScaleState:
dirtyScaleTransformation = true;
pointSets.AddPointScale(p);
break;
case DigitizeState.SelectState: //Could be any type of point, so decide
if (destination != null)
{
destination.AddPoint(p);
}
break;
}
PointSets.UpdateGraphCoordinates(coordSettings, transform);
return(p);
}
// adding and removing lines involves updating update area and point pointers
private void AddLine(NuGenPoint pFrom, NuGenPoint pTo)
{
Line line = new Line();
line.start.X = pFrom.XScreen;
line.start.Y = pFrom.YScreen;
line.end.X = pTo.XScreen;
line.end.Y = pTo.YScreen;
lines.Add(line);
pFrom.NextLine = line;
pTo.PreviousLine = line;
}
// add point to pointset, not worrying about keeping the pointset single valued (which is for
// curves only). if new point is on the line between two points then insert it between
// those two points (desired behavior for curve and measure pointsets, which happens to not affect
// axes and scale pointsets)
public void AddPoint(NuGenPoint point)
{
// insert point between two other points if it lies on the line between the two points
const int LineEpsilonPixels = 2;
int index = 0;
double x = point.XScreen;
double y = point.YScreen;
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
double xNew = pNew.XScreen;
double yNew = pNew.YScreen;
if (pOld != null)
{
double xOld = pOld.XScreen;
double yOld = pOld.YScreen;
double xProj, yProj;
NuGenMath.ProjectPointOnToLine(x, y, xOld, yOld, xNew, yNew, out xProj, out yProj);
double diff = Math.Sqrt((x - xProj) * (x - xProj) + (y - yProj) * (y - yProj));
if (diff < LineEpsilonPixels)
{
points.Insert(index, point);
point.PointSet = this;
RemoveLine(pOld, pNew);
AddLine(pOld, point);
AddLine(point, pNew);
return;
}
}
pOld = pNew;
index++;
}
points.Add(point);
point.PointSet = this;
if (pOld != null)
{
AddLine(pOld, point);
}
}
//Removes a point from the document based on the documents current digitize state
public void RemovePoint(NuGenPoint p)
{
switch (DigitizeState)
{
case DigitizeState.AxisState:
pointSets.Axes.RemovePoint(p); break;
case DigitizeState.CurveState:
foreach (NuGenPointSet pointSet in pointSets.Curves)
{
pointSet.RemovePoint(p);
}
break;
case DigitizeState.MeasureState:
foreach (NuGenPointSet pointSet in pointSets.Measures)
{
pointSet.RemovePoint(p);
}
break;
case DigitizeState.ScaleState:
pointSets.ScaleBar.RemovePoint(p); break;
case DigitizeState.SelectState: //find and remove the point since it is generic
{
foreach (NuGenPointSet pointSet in pointSets.Curves)
{
pointSet.RemovePoint(p);
}
foreach (NuGenPointSet pointSet in pointSets.Measures)
{
pointSet.RemovePoint(p);
}
pointSets.Axes.RemovePoint(p);
pointSets.ScaleBar.RemovePoint(p);
gridDisplaySettings.initialized = false;
gridRemovalSettings.gridMesh.initialized = false;
ComputeTransformation();
} break;
}
}
// add point to pointset, not worrying about keeping the pointset single valued (which is for
// curves only). if new point is on the line between two points then insert it between
// those two points (desired behavior for curve and measure pointsets, which happens to not affect
// axes and scale pointsets)
public void AddPoint(NuGenPoint point)
{
// insert point between two other points if it lies on the line between the two points
const int LineEpsilonPixels = 2;
int index = 0;
double x = point.XScreen;
double y = point.YScreen;
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
double xNew = pNew.XScreen;
double yNew = pNew.YScreen;
if (pOld != null)
{
double xOld = pOld.XScreen;
double yOld = pOld.YScreen;
double xProj, yProj;
NuGenMath.ProjectPointOnToLine(x, y, xOld, yOld, xNew, yNew, out xProj, out yProj);
double diff = Math.Sqrt((x - xProj) * (x - xProj) + (y - yProj) * (y - yProj));
if (diff < LineEpsilonPixels)
{
points.Insert(index, point);
point.PointSet = this;
RemoveLine(pOld, pNew);
AddLine(pOld, point);
AddLine(point, pNew);
return;
}
}
pOld = pNew;
index++;
}
points.Add(point);
point.PointSet = this;
if (pOld != null)
AddLine(pOld, point);
}
private void GeometryInfoDistancePass1(int i, NuGenPoint pointNext,
double xLast, double yLast, double x, double y,
double distance, double totalDistance, ref int pNextRow, List <NuGenGeometryWindowItem> rInfo)
{
double xNext = pointNext.XThetaGraph;
double yNext = pointNext.YRGraph;
double pcDistance;
if (totalDistance <= 0.0)
{
pcDistance = 100.0;
}
else
{
pcDistance = 100.0 * distance / totalDistance;
}
double[] r1 = new double[3];
double[] r2 = new double[3];
r1[0] = xLast - x; // xLast from last point of pass 0 is used by first point in pass 1
r1[1] = yLast - y; // yLast from last point of pass 0 is used by first point in pass 1
r1[2] = 0.0;
r2[0] = xNext - x;
r2[1] = yNext - y;
r2[2] = 0.0;
double angle = NuGenMath.Angle(r1, r2) * 180.0 / Math.PI;
double distDiff = totalDistance - distance;
double pcDiff = 100.0 - pcDistance;
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 0, x.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 1, y.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 2, i.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 3, distance.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 4, pcDistance.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 5, distDiff.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 6, pcDiff.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 7, angle.ToString()));
pNextRow++;
}
//deserialize
public void SerializeRead(System.Runtime.Serialization.SerializationInfo info, string prefix)
{
name = (string)info.GetValue(prefix + ".name", typeof(string));
style.pointShape = (PointShape)info.GetValue(prefix + ".style.pointShape", typeof(PointShape));
style.pointSize = (PointSize)info.GetValue(prefix + ".style.pointSize", typeof(PointSize));
style.pointLineSize = (PointLineSize)info.GetValue(prefix + ".style.pointLineSize", typeof(PointLineSize));
style.pointLineColor = (Color)info.GetValue(prefix + ".style.pointLineColor", typeof(Color));
style.pointInColor = (Color)info.GetValue(prefix + ".style.pointInColor", typeof(Color));
style.lineSize = (LineSize)info.GetValue(prefix + ".style.lineSize", typeof(LineSize));
style.lineColor = (Color)info.GetValue(prefix + ".style.lineColor", typeof(Color));
style.lineConnectAs = (LineConnectAs)info.GetValue(prefix + ".style.lineConnectAs", typeof(LineConnectAs));
int count = (int)info.GetValue(prefix + ".points.count", typeof(int));
for (int index = 0; index < count; index++)
{
NuGenPoint point = new NuGenPoint(0, 0);
point.XScreen = (int)info.GetValue(prefix + ".point" + index + ".xScreen", typeof(int));
point.YScreen = (int)info.GetValue(prefix + ".point" + index + ".yScreen", typeof(int));
point.XThetaGraph = (double)info.GetValue(prefix + ".point" + index + ".xThetaGraph", typeof(double));
point.YRGraph = (double)info.GetValue(prefix + ".point" + index + ".yRGraph", typeof(double));
AddPoint(point);
}
}
// given an x value, return the corresponding y value, interpolating if necessary
public string ExportCurvePoint(double x, CoordSettings coord, bool useInterpolation, int yPrecision)
{
string yNew = ""; // initial empty value might be returned if interpolation is disabled
if (Points.Count == 0)
{
return(yNew);
}
if (!useInterpolation)
{
// x value has to exactly match one of the points in this curve
foreach (NuGenPoint p in Points)
{
if (x == p.XThetaGraph)
{
return(Math.Round(p.YRGraph, yPrecision).ToString());
}
}
return(yNew);
}
if (Points.Count == 1)
{
foreach (NuGenPoint p in Points)
{
return(Math.Round(p.YRGraph, yPrecision).ToString());
}
}
IEnumerator <NuGenPoint> lEnum = Points.GetEnumerator();
IEnumerator <NuGenPoint> rEnum = Points.GetEnumerator();
rEnum.MoveNext();
rEnum.MoveNext();
lEnum.MoveNext();
NuGenPoint pLeft = lEnum.Current;
NuGenPoint pRight = rEnum.Current;
while (x > rEnum.Current.XThetaGraph)
{
rEnum.MoveNext();
lEnum.MoveNext();
if (rEnum.Current != null)
{
pLeft = lEnum.Current;
pRight = rEnum.Current;
}
else
{
break;
}
}
double leftPointX = pLeft.XThetaGraph;
double rightPointX = pRight.XThetaGraph;
double leftPointY = pLeft.YRGraph;
double rightPointY = pRight.YRGraph;
if (AdjustForLogScale(coord.xThetaScale, ref leftPointX) &&
AdjustForLogScale(coord.xThetaScale, ref rightPointX) &&
AdjustForLogScale(coord.xThetaScale, ref x) &&
AdjustForLogScale(coord.yRScale, ref leftPointY) &&
AdjustForLogScale(coord.yRScale, ref rightPointY))
{
double denominator = rightPointX - leftPointX;
if (denominator < NuGenDefaultSettings.GetInstance().DoubleMin)
{
yNew = Math.Round(leftPointX, yPrecision).ToString();
}
else
{
// if x value is between the points this is an interpolation (0<s<1), otherwise an extrapolation
double s = (x - leftPointX) / denominator;
// interpolate or extrapolate
double otherPoint = (1.0 - s) * leftPointY + s * rightPointY;
// adjust for log scale
if (coord.yRScale == Scale.Log)
{
otherPoint = Math.Pow((double)10.0, otherPoint);
}
yNew = Math.Round(otherPoint, yPrecision).ToString();
}
}
return(yNew);
}
void NuGenView_MousePress(object sender, MouseEventArgs e)
{
cursorLocation = new Point(e.X, e.Y);
if (doc.ProcessedImage.Width < e.X || doc.ProcessedImage.Height < e.Y)
return;
if (doc.DigitizeState == DigitizeState.SelectState)
{
//In the select state a mouse click means the user is trying to select a point
CheckForPointIntersection(e.X, e.Y);
//DrawSelectedPoints(Buffer);
//Refresh();
DrawAll();
return;
}
if (doc.DigitizeState == DigitizeState.MeasureState)
{
if (doc.PointSets.GetMeasure(doc.ActiveMeasureName).Points.Count >= 1)
{
gestatingMeasurePoint = doc.AddPoint(e.X, e.Y);
DrawMeasurePoints(Buffer);
Refresh();
}
}
if (doc.DigitizeState != DigitizeState.ScaleState)
return;
if (doc.ValidScale)
{
MessageBox.Show("Scale Bar is already defined, to change it use the selection tool");
return;
}
scaleStart = doc.AddPoint(e.X, e.Y);
scaleEnd = doc.AddPoint(e.X, e.Y);
DrawScaleBar(Buffer);
Refresh();
}
void NuGenView_MouseRelease(object sender, MouseEventArgs e)
{
cursorLocation = new Point(e.X, e.Y);
if (doc.DigitizeState == DigitizeState.SelectState)
{
if (dragged && selectedPointList.Count > 0)
{
//Remove all the original points
foreach (NuGenPoint p in selectedPointGestatingList)
{
doc.RemovePoint(p);
}
//Clear them as well
selectedPointList.Clear();
//Add the new points to the list
selectedPointList.AddRange(selectedPointGestatingList);
selectedPointGestatingList.Clear();
List<NuGenPoint> tempList = new List<NuGenPoint>();
//And connect them internally
foreach (NuGenPoint p in selectedPointList)
{
NuGenPoint newPoint = doc.AddPoint(p);
//Add this point to a temp list so that selected items list stays up to date
tempList.Add(newPoint);
if (p.PointSet == doc.PointSets.Axes)
{
AxisPointDialog dlg = new AxisPointDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
GridMeshSettings settings = doc.GridDisplaySettings;
GridRemovalSettings removal = doc.GridRemovalSettings;
settings.initialized = false;
removal.gridMesh.initialized = false;
doc.GridRemovalSettings = removal;
doc.GridDisplaySettings = settings;
doc.SetAxisPoint(newPoint, dlg.XTheta, dlg.YR);
}
else
{
doc.RemovePoint(p);
}
DrawAll();
}
else if (p.PointSet == doc.PointSets.ScaleBar)
{
//Tests to see if there are two scale points in the selection
bool cont = false;
bool found = false;
foreach(NuGenPoint pNew in selectedPointList)
{
if (pNew.PointSet == doc.PointSets.ScaleBar)
{
if (found == true)
{
cont = true;
break;
}
found = true;
}
}
//No need to readjust scale point values if both were moved
if (cont)
continue;
ScaleBarDialog sdlg = new ScaleBarDialog();
if (sdlg.ShowDialog() == DialogResult.OK)
{
NuGenPoint other = new NuGenPoint(0,0);
//Get the other scale point, if it exists, which it should if you are moving the points
foreach (NuGenPoint p2 in doc.PointSets.ScaleBar.Points)
{
if (p2 != p)
{
other = p;
break;
}
}
GridMeshSettings settings = doc.GridDisplaySettings;
GridRemovalSettings removal = doc.GridRemovalSettings;
settings.initialized = false;
removal.gridMesh.initialized = false;
doc.SetScalePoint(other, 0, 0);
doc.SetScalePoint(p, sdlg.Length, 0);
doc.Units = sdlg.Units;
}
DrawAll();
}
}
selectedPointList = tempList;
return;
}
if (selectionBox.Size.Width != 0 && selectionBox.Height != 0)
{
SelectRegion(selectionBox);
DrawAll();
}
dragged = false;
}
if (doc.DigitizeState == DigitizeState.MeasureState)
{
gestatingMeasurePoint = null;
DrawAll();
Refresh();
}
if (doc.DigitizeState != DigitizeState.ScaleState)
return;
if (doc.ProcessedImage.Width < e.X || doc.ProcessedImage.Height < e.Y)
return;
if (scaleStart == null || scaleEnd == null)
return;
if (scaleStart.XScreen == e.X && scaleStart.YScreen == e.Y)
{
MessageBox.Show("Scale bar is drawn by clicking and dragging. You must drag to a new point");
doc.RemovePoint(scaleStart);
doc.RemovePoint(scaleEnd);
scaleStart = null;
scaleEnd = null;
DrawAll();
return;
}
ScaleBarDialog sdlg2 = new ScaleBarDialog();
sdlg2.ShowDialog();
double length = sdlg2.Length;
if (!(doc.SetScalePoint(scaleStart, 0.0, 0.0) && doc.SetScalePoint(scaleEnd, length, 0.0)))
{
sendStatusMessage("One or more scale points must be redefined");
}
else
{
doc.Units = sdlg2.Units;
}
scaleStart = null;
scaleEnd = null;
if (doc.ValidScale)
{
sendStatusMessage("Scale Bar Defined");
}
DrawScaleBar(Buffer);
Refresh();
}
private void GeometryInfoDistancePass1(int i, NuGenPoint pointNext,
double xLast, double yLast, double x, double y,
double distance, double totalDistance, ref int pNextRow, List<NuGenGeometryWindowItem> rInfo)
{
double xNext = pointNext.XThetaGraph;
double yNext = pointNext.YRGraph;
double pcDistance;
if (totalDistance <= 0.0)
pcDistance = 100.0;
else
pcDistance = 100.0 * distance / totalDistance;
double[] r1 = new double[3];
double[] r2 = new double[3];
r1[0] = xLast - x; // xLast from last point of pass 0 is used by first point in pass 1
r1[1] = yLast - y; // yLast from last point of pass 0 is used by first point in pass 1
r1[2] = 0.0;
r2[0] = xNext - x;
r2[1] = yNext - y;
r2[2] = 0.0;
double angle = NuGenMath.Angle(r1, r2) * 180.0 / Math.PI;
double distDiff = totalDistance - distance;
double pcDiff = 100.0 - pcDistance;
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 0, x.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 1, y.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 2, i.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 3, distance.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 4, pcDistance.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 5, distDiff.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 6, pcDiff.ToString()));
rInfo.Add(new NuGenGeometryWindowItem(pNextRow, 7, angle.ToString()));
pNextRow++;
}
//delegate method for sorting points by their xtheta values
public int XThetaSort(NuGenPoint p1, NuGenPoint p2)
{
return((int)(p1.XThetaGraph - p2.XThetaGraph));
}
//Used primarily for dragging operations, hence the "dragged" boolean flag
void NuGenView_MouseMove(object sender, MouseEventArgs e)
{
showCoordinates(e.X, e.Y);
Graphics g = Buffer;
if (doc.DigitizeState == DigitizeState.SelectState && e.Button != MouseButtons.None)
{
if (e.X == cursorLocation.X && e.Y == cursorLocation.Y)
return;
dragged = true;
if (selectedPointList.Count > 0)
{
foreach (NuGenPoint p in selectedPointGestatingList)
{
doc.RemovePoint(p);
}
foreach (NuGenPoint p in selectedPointList)
{
doc.RemovePoint(p);
}
List<NuGenPoint> clearList = new List<NuGenPoint>();
clearList.AddRange(selectedPointGestatingList);
selectedPointGestatingList.Clear();
int xDiff = e.X - cursorLocation.X;
int yDiff = e.Y - cursorLocation.Y;
if (xDiff == 0 && yDiff == 0)
return;
foreach (NuGenPoint p in selectedPointList)
{
NuGenPoint newPoint = doc.AddPoint(p.XScreen + xDiff, p.YScreen + yDiff, p.PointSet);
selectedPointGestatingList.Add(newPoint);
}
DrawAll();
return;
}
else
{
if (cursorLocation.X == e.X && cursorLocation.Y == e.Y)
return;
g.Clear(Color.Transparent);
DrawAll(new Region(new Rectangle(0,0,backBuffer.Width, backBuffer.Height)));
DrawSelectionRectangle(e.X, e.Y, g);
Refresh();
}
}
if (doc.ProcessedImage.Width < e.X || doc.ProcessedImage.Height < e.Y)
return;
if (doc.DigitizeState == DigitizeState.SegmentState)
{
CheckForSegmentIntersection(e.X, e.Y);
DrawAll();
return;
}
if (doc.DigitizeState == DigitizeState.PointMatchState)
{
doc.HighlightCandidateMatchPoint(new Point(e.X, e.Y));
DrawAll();
DrawMatchHighlights(Buffer);
Refresh();
return;
}
if (doc.DigitizeState == DigitizeState.MeasureState)
{
if (gestatingMeasurePoint == null)
return;
doc.RemovePoint(gestatingMeasurePoint);
gestatingMeasurePoint = doc.AddPoint(e.X, e.Y);
DrawAll();
}
if (scaleStart == null || scaleEnd == null)
return;
if (doc.DigitizeState != DigitizeState.ScaleState)
return;
doc.RemovePoint(scaleEnd);
scaleEnd = doc.AddPoint(e.X, e.Y);
DrawAll();
}
private void RemoveLine(NuGenPoint pFrom, NuGenPoint pTo)
{
lines.Remove(pFrom.NextLine);
pFrom.NextLine = null;
pTo.PreviousLine = null;
}
// remove a point from this pointset
public void RemovePoint(NuGenPoint p)
{
if (!points.Contains(p))
return;
NuGenPoint pFirst = points[0];
NuGenPoint pLast = points[points.Count - 1];
if (points.Count > 1)
{
// remove one of its attached lines. four cases are:
// 1. solitary point (0 lines->0 lines)
// 2. leftmost point (1 attached lines->0 attached lines)
// 3. doubly attached point (2 attached lines->1 attached line)
// 4. rightmost point (1 attached line->0 attached lines)
// not case 1
if ((p == points[0] || (p == points[points.Count - 1])))
{
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
if ((p == pOld && p == pFirst) || (p == pNew) && (p == pLast))
{
RemoveLine(pOld, pNew);
break;
}
pOld = pNew;
}
}
else
{
NuGenPoint pOlder = null;
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
if (p == pOld)
{
if (pOlder != null)
{
RemoveLine(pOld, pNew);
Line pOlderNextLine = new Line();
pOlderNextLine.start.X = pOlder.XScreen;
pOlderNextLine.start.Y = pOlder.YScreen;
pOlderNextLine.end.X = pNew.XScreen;
pOlderNextLine.end.Y = pNew.YScreen;
pOlder.NextLine = pOlderNextLine;
pNew.PreviousLine = pOlder.NextLine;
break;
}
}
pOlder = pOld;
pOld = pNew;
}
}
}
points.Remove(p);
}
// remove a point from this pointset
public void RemovePoint(NuGenPoint p)
{
if (!points.Contains(p))
{
return;
}
NuGenPoint pFirst = points[0];
NuGenPoint pLast = points[points.Count - 1];
if (points.Count > 1)
{
// remove one of its attached lines. four cases are:
// 1. solitary point (0 lines->0 lines)
// 2. leftmost point (1 attached lines->0 attached lines)
// 3. doubly attached point (2 attached lines->1 attached line)
// 4. rightmost point (1 attached line->0 attached lines)
// not case 1
if ((p == points[0] || (p == points[points.Count - 1])))
{
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
if ((p == pOld && p == pFirst) || (p == pNew) && (p == pLast))
{
RemoveLine(pOld, pNew);
break;
}
pOld = pNew;
}
}
else
{
NuGenPoint pOlder = null;
NuGenPoint pOld = null;
foreach (NuGenPoint pNew in points)
{
if (p == pOld)
{
if (pOlder != null)
{
RemoveLine(pOld, pNew);
Line pOlderNextLine = new Line();
pOlderNextLine.start.X = pOlder.XScreen;
pOlderNextLine.start.Y = pOlder.YScreen;
pOlderNextLine.end.X = pNew.XScreen;
pOlderNextLine.end.Y = pNew.YScreen;
pOlder.NextLine = pOlderNextLine;
pNew.PreviousLine = pOlder.NextLine;
break;
}
}
pOlder = pOld;
pOld = pNew;
}
}
}
points.Remove(p);
}
//delegate method for sorting points by their xtheta values
public int XThetaSort(NuGenPoint p1, NuGenPoint p2)
{
return (int)(p1.XThetaGraph - p2.XThetaGraph);
}
void NuGenView_MouseDoubleClick(object sender, MouseEventArgs e)
{
CheckForPointIntersection(e.X, e.Y);
foreach (NuGenPoint p in selectedPointList)
{
if (p.PointSet == doc.PointSets.Axes)
{
AxisPointDialog dlg = new AxisPointDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
GridMeshSettings settings = doc.GridDisplaySettings;
GridRemovalSettings removal = doc.GridRemovalSettings;
settings.initialized = false;
removal.gridMesh.initialized = false;
doc.GridRemovalSettings = removal;
doc.GridDisplaySettings = settings;
doc.SetAxisPoint(p, dlg.XTheta, dlg.YR);
}
else
{
doc.RemovePoint(p);
}
DrawAll();
}
else if (p.PointSet == doc.PointSets.ScaleBar)
{
ScaleBarDialog sdlg = new ScaleBarDialog();
if (sdlg.ShowDialog() == DialogResult.OK)
{
NuGenPoint other = new NuGenPoint(0, 0);
//Get the other scale point, if it exists, which it should if you are moving the points
foreach (NuGenPoint p2 in doc.PointSets.ScaleBar.Points)
{
if (p2 != p)
{
other = p;
break;
}
}
GridMeshSettings settings = doc.GridDisplaySettings;
GridRemovalSettings removal = doc.GridRemovalSettings;
settings.initialized = false;
removal.gridMesh.initialized = false;
doc.SetScalePoint(other, 0, 0);
doc.SetScalePoint(p, sdlg.Length, 0);
}
DrawAll();
}
}
}
//deserialize
public void SerializeRead(System.Runtime.Serialization.SerializationInfo info, string prefix)
{
name = (string)info.GetValue(prefix + ".name", typeof(string));
style.pointShape = (PointShape)info.GetValue(prefix + ".style.pointShape", typeof(PointShape));
style.pointSize = (PointSize)info.GetValue(prefix + ".style.pointSize", typeof(PointSize));
style.pointLineSize = (PointLineSize)info.GetValue(prefix + ".style.pointLineSize", typeof(PointLineSize));
style.pointLineColor = (Color)info.GetValue(prefix + ".style.pointLineColor", typeof(Color));
style.pointInColor = (Color)info.GetValue(prefix + ".style.pointInColor", typeof(Color));
style.lineSize = (LineSize)info.GetValue(prefix + ".style.lineSize", typeof(LineSize));
style.lineColor = (Color)info.GetValue(prefix + ".style.lineColor", typeof(Color));
style.lineConnectAs = (LineConnectAs)info.GetValue(prefix + ".style.lineConnectAs", typeof(LineConnectAs));
int count = (int)info.GetValue(prefix + ".points.count", typeof(int));
for(int index = 0; index<count; index++)
{
NuGenPoint point = new NuGenPoint(0,0);
point.XScreen = (int)info.GetValue(prefix + ".point" + index + ".xScreen", typeof(int));
point.YScreen = (int)info.GetValue(prefix + ".point" + index + ".yScreen", typeof(int));
point.XThetaGraph = (double)info.GetValue(prefix + ".point" + index + ".xThetaGraph", typeof(double));
point.YRGraph = (double)info.GetValue(prefix + ".point" + index + ".yRGraph", typeof(double));
AddPoint(point);
}
}
public NuGenPoint AddPoint(NuGenPoint p)
{
return(AddPoint(p.XScreen, p.YScreen, p.PointSet));
}
// add a point to an axes, curve, measure or scale pointset
public void AddPointAxes(NuGenPoint p)
{
axesPointSet.AddPoint(p);
}
// adding and removing lines involves updating update area and point pointers
private void AddLine(NuGenPoint pFrom, NuGenPoint pTo)
{
Line line = new Line();
line.start.X = pFrom.XScreen;
line.start.Y = pFrom.YScreen;
line.end.X = pTo.XScreen;
line.end.Y = pTo.YScreen;
lines.Add(line);
pFrom.NextLine = line;
pTo.PreviousLine = line;
}
public void AddPointScale(NuGenPoint p)
{
scalePointSet.AddPoint(p);
}
//selects the given point and makes it available for move/delete/edit operations
private void SelectPoint(NuGenPoint p)
{
selectedPointList.Clear();
selectedPointList.Add(p);
selectedPointGestatingList.Clear();
selectedPointGestatingList.Add(p);
DrawSelectedPoints(Buffer);
}
