private static bool IsGraphSurfaceBoundaryOk(GraphSurface gs)
{
if (gs?.GType != GraphType.Boundary)
{
return(false);
}
return(gs.ObjectTag != null);
}
private void DrawYAbove(PanelControl pan, double yStep, int yPosition, GraphSurface gs, double minValue, double maxValue)
{
double value = 0;
double dyPos = yPosition;
var checkValue = Math.Abs(minValue + (20.0 * maxValue));
do
{
dyPos = dyPos - yStep;
value = value + maxValue;
DrawYAxisBits(pan, (int)dyPos, gs, value, checkValue);
} while (dyPos > 0);
}
private void DrawYBelow(PanelControl pan, double yStep, int yPosition, GraphSurface gs, double minValue, double maxValue)
{
double dyPos = yPosition;
var checkValue = Math.Abs(minValue + (20.0 * maxValue));
dyPos = dyPos - yStep;
var value = maxValue;
do
{
dyPos = dyPos + yStep;
value = value - maxValue;
DrawYAxisBits(pan, (int)dyPos, gs, value, checkValue);
} while (dyPos < pan.GPan.Height);
}
private void DrawBoundaryMarkers(GraphSurface gs, PanelControl pan, Pen pp, int y, ref int yOffset)
{
var f = new Font("timesnewroman", 8);
for (var j = 0; j < gs.PtCount; j++)
{
var x = Params.GetXScreenPoint(pan, gs, gs.DPts[j].X);
if (x > 0)
{
pan.GrSurface.DrawLine(pp, x, 0, x, pan.GPan.Height);
}
if (gs.DPts[j].Y > 0)
{
var yy = Params.GetYScreenPoint(pan, gs.DPts[j].Y);
if (yy > 0)
{
pan.GrSurface.DrawLine(pp, 0, yy, pan.GPan.Width, yy);
}
}
double val = gs.DPts[j].X;
string valueString;
if (val > 1000)
{
valueString = ((int)val).ToString(CultureInfo.InvariantCulture);
}
else
{
var str1 = Params.SetPlaces(val);
valueString = val.ToString(str1);
}
if (_graphParameters.DrawBoundaryStrings)
{
var str = gs.Name + " " + valueString;
pan.GrSurface.DrawString(str, f, pp.Brush, x + 1, y);
}
if (_graphParameters.ShowDifferenceMarkers)
{
DrawDifferenceMarkers(gs, pan, x, f, pp, ref yOffset);
}
}
}
private static void DrawDifferenceMarkerSet(GraphSurface gs2, PanelControl pan, float refX, int x, Font f, Pen pp, ref int yOffset)
{
var typ = gs2.GType;
if (!IsAnyMarkerOrBoundary(typ))
{
return;
}
for (var n = 0; n < gs2.PtCount; n++)
{
var x2 = Params.GetXScreenPoint(pan, gs2, gs2.DPts[n].X);
if ((!IsAnyMarker(typ) || x2 <= x) && typ != GraphType.Boundary)
{
continue;
}
var y = 30 + (yOffset * 12);
pan.GrSurface.DrawLine(pp, x, y, x2, y);
DrawLeftRightArrowHeads(pan, pp, y, x, x2);
double val = gs2.DPts[n].X - refX;
string valueString;
if (val > 1000)
{
valueString = ((int)val).ToString(CultureInfo.InvariantCulture);
}
else
{
var str1 = Params.SetPlaces(val);
valueString = val.ToString(str1);
}
if (x2 > x)
{
pan.GrSurface.DrawString(valueString, f, pp.Brush, x2 + 5, y - 5);
}
else
{
pan.GrSurface.DrawString(valueString, f, pp.Brush, x + 5, y - 5);
}
yOffset += 1;
}
}
private string GetLegendNameLabel(GraphSurface gs)
{
string txt;
var source = @" [" + gs.Source + @"]";
if (gs.Source.Length < 1)
{
source = " ";
}
if (_graphPanel.ShowLegendGraphId)
{
txt = @"[" + gs.TagId + @"]" + gs.Name + source;
}
else
{
txt = gs.Name + source;
}
return(txt);
}
private void DrawYAxisBits(PanelControl pan, int yPosition, GraphSurface gs, double value, double checkValue)
{
var f = new Font("timesnewroman", 10);
if (_graphParameters.DrawTheGrid)
{
if (UseGreyGrid)
{
Pen p = new Pen(Color.DarkSlateBlue)
{
DashStyle = DashStyle.Dot
};
pan.GrSurface.DrawLine(p, 0, yPosition, pan.GPan.Width, yPosition);
}
else
{
pan.GrSurface.DrawLine(Pens.Gainsboro, 0, yPosition, pan.GPan.Width, yPosition);
}
}
if (!_graphParameters.DrawTheYAxis)
{
return;
}
var str = Params.GetValueString(checkValue, gs, value);
var newPosition = yPosition + pan.GPan.Top + 2;
var top = pan.GPan.Top + 2;
var bot = top + pan.GPan.Height;
if (newPosition >= bot || newPosition <= top)
{
return;
}
_graphTabPanel.Cst.GrSurface.DrawLine(Pens.Black, pan.GPan.Left - 5, newPosition, pan.GPan.Left, newPosition);
if ((newPosition - 5) <= bot)
{
_graphTabPanel.Cst.GrSurface.DrawString(str, f, Brushes.Black, 15, newPosition - 7);
}
}
private void DrawYGrid(PanelControl pan, double yStep, GraphSurface gs, double minValue, double maxValue)
{
var pp = new Pen(Color.Black)
{
Width = 1
};
if (UseGreyGrid)
{
pp.Color = Color.Gainsboro;
}
var dyPos = (int)(pan.GPan.Height - 5 - pan.YOffset + ((minValue * yStep) / maxValue));
DrawYAbove(pan, yStep, dyPos, gs, minValue, maxValue);
DrawYBelow(pan, yStep, dyPos, gs, minValue, maxValue);
var yPos = (int)(pan.GPan.Height - 5 - pan.YOffset + ((minValue * yStep) / maxValue));
if (_graphParameters.OriginalZeroAxis)
{
pp.Color = Color.Gainsboro;
pp.Width = 3;
}
pan.GrSurface.DrawLine(pp, 0, yPos, pan.GPan.Width, yPos);
_graphTabPanel.Cst.GrSurface.ResetTransform();
_graphTabPanel.Cst.GrSurface.RotateTransform(-90);
var y = pan.GPan.Top + pan.GPan.Height / 2;
var len = GetTextWidth(gs.GyAxisTitle);
y = y + len / 2;
_graphTabPanel.Cst.GrSurface.TranslateTransform(_yAxisLabelOffset, y, MatrixOrder.Append);
_graphTabPanel.Cst.GrSurface.DrawString(gs.GyAxisTitle, _axisFont, Brushes.Black, 0, 0);
_graphTabPanel.Cst.GrSurface.ResetTransform();
}
private void DrawDifferenceMarkers(GraphSurface gs, PanelControl pan, int x, Font f, Pen pp, ref int yOffset)
{
foreach (var t in pan.TagList)
{
if (!t.Visible)
{
continue;
}
var gs2 = _graphPanel.GetGraphSurfaceFromTag(t.Tag);
if (gs2 == null)
{
continue;
}
if (gs.TagId == gs2.TagId)
{
continue;
}
DrawDifferenceMarkerSet(gs2, pan, gs.DPts[0].X, x, f, pp, ref yOffset);
}
}
