public void RemoveColumn(int column)
{
foreach (var val in _values)
{
val.RemoveAt(column);
}
XLabels.RemoveAt(column);
}
private void XYLineChartNodeModel_PortDisconnected(PortModel port)
{
// Clear UI when a input port is disconnected
if (port.PortType == PortType.Input && this.State == ElementState.Active)
{
XLabels.Clear();
YLabels.Clear();
Values.Clear();
Colors.Clear();
RaisePropertyChanged("DataUpdated");
}
}
public System.Drawing.Bitmap DrawBarColumn()
{
System.Drawing.Bitmap image = new System.Drawing.Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image)) {
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.Clear(System.Drawing.Color.Transparent);
int xCount = 0;
float yCount = 10F;
decimal yMaxValue = 0M;
xCount = XLabels.Count;
Lines.ForEach(p => {
if (!IsSingleLine)
{
int?p10 = LinqHelper.Max(p.Points, p1 => (int?)p1.X);
if (p10 != null && p10 > xCount)
{
xCount = p10.Value;
}
}
decimal?p11 = LinqHelper.Max(p.Points, p1 => (decimal?)p1.Value);
if (p11 != null && p11 > yMaxValue)
{
yMaxValue = p11.Value;
}
});
System.Drawing.Font font = Font;
float xStart = 50F;
float xEnd = Width - 15F;
float xWidth = xEnd - xStart;
float xUnit = xWidth / xCount;
float yStart = 20F;
float yEnd = Height - font.Height * 2 - 10 - 20F;
float yHeight = yEnd - yStart;
float yUnit = yHeight / yCount;
decimal yMaxValueRange = GetYMax(yMaxValue);
decimal yValuePercent = ((decimal)(yHeight - 2F) / yMaxValueRange);
//x line
System.Drawing.Pen xPen = new System.Drawing.Pen(System.Drawing.Brushes.Black, 1F);
g.DrawLine(xPen, xStart, yEnd, xEnd, yEnd);
//x points
float xLinePointOffset = xStart;
float XLineUnit = xUnit / 2F;
for (int i = 0; i <= xCount; i++)
{
if (i == 0)
{
continue;
}
xLinePointOffset += XLineUnit;
g.DrawLine(xPen, xLinePointOffset, yEnd, xLinePointOffset, yEnd + 5);
LineXLabel label = XLabels.Find(p => p.X == i);
string xLabel = label.Name;
System.Drawing.SizeF xLabelSize = g.MeasureString(xLabel, font);
float xLabelX = xLinePointOffset - xLabelSize.Width / 2;
label.RealX = xLinePointOffset - xLabelSize.Width / 2;
label.RealY = yEnd + 8;
label.AbsX = xLinePointOffset;
System.Drawing.Brush brush = System.Drawing.Brushes.Black;
if (label.LineIndex != -1)
{
brush = _lines[label.LineIndex].TextBrush;
}
g.DrawString(xLabel, font, brush, label.RealX, label.RealY);
xLinePointOffset += XLineUnit;
}
//y line
g.DrawLine(xPen, xStart, yEnd, xStart, yStart);
//y points
float yLinePointOffset = yEnd;
for (int i = 0; i <= yCount; i++)
{
g.DrawLine(xPen, xStart - 5, yLinePointOffset, xStart, yLinePointOffset);
//g.DrawLine(xPen, xStart - 5, i == 0 ? yLinePointOffset - 2F : yLinePointOffset, xStart, i == 0 ? yLinePointOffset - 2F : yLinePointOffset);
string yLabel = NumberToString((yMaxValueRange * i / 10));
System.Drawing.SizeF yLabelSize = g.MeasureString(yLabel, NumberFont);
float yLabelY = yLinePointOffset - yLabelSize.Height / 2;
float yLabelX = xStart - 5 - 3 - yLabelSize.Width;
g.DrawString(yLabel, NumberFont, System.Drawing.Brushes.Black, yLabelX, yLabelY);
yLinePointOffset -= yUnit;
}
//point-lines
float pointWidth = (xUnit - 6F) / (IsSingleLine ? 1 : Lines.Count);
float lineNameXOffset = xStart;
float lineNameY = Height - 10 - Font.Height;
float pointTextMaxWidth = System.Math.Max(pointWidth / 2F, pointWidth - 10F);
for (int i = 0; i < Lines.Count; i++)
{
Line line = Lines[i];
//float lastX = xStart;
//float lastY = yEnd;
float xPointOffset = xStart;
//line name
g.FillRectangle(line.TextBrush, lineNameXOffset, lineNameY, Font.Height, Font.Height);
lineNameXOffset += Font.Height + 3F;
System.Drawing.SizeF lineNameSize = g.MeasureString(line.Name, Font);
g.DrawString(line.Name, Font, line.TextBrush, lineNameXOffset, lineNameY + (Font.Height - lineNameSize.Height) / 2F);
lineNameXOffset += lineNameSize.Width + 10F;
if (!string.IsNullOrEmpty(line.Value))
{
lineNameXOffset -= 8F;
System.Drawing.SizeF lineValueSize = g.MeasureString(line.Value, Font);
g.DrawString(line.Value, Font, line.TextBrush, lineNameXOffset, lineNameY + (Font.Height - lineValueSize.Height) / 2F);
lineNameXOffset += lineValueSize.Width + 10F;
}
for (int j = 1; j <= xCount; j++)
{
LinePoint item = line.Points.Find(p => p.X == j);
if (item != null)
{
LineXLabel label = XLabels.Find(p => p.X == item.X);
//y by value percent
float pointHeight = (float)(item.Value * yValuePercent);
if (pointHeight >= 1F)
{
float pointY = yEnd - 1F - pointHeight;
//float pointY = yEnd - 2F - pointHeight;
float pointX = xPointOffset + 3F + (IsSingleLine ? 0F : pointWidth * i);
//new System.Drawing.Drawing2D.LinearGradientBrush(
g.FillRectangle(new System.Drawing.SolidBrush(line.Color), pointX, pointY, pointWidth, pointHeight);
//cires r-3
//text value, to y
string pointText = NumberToString(item.Value);
if (pointText != "0")
{
System.Drawing.SizeF pointTextSize = g.MeasureString(pointText, NumberFont);
g.DrawString(pointText, NumberFont, line.TextBrush, pointX + ((pointWidth - pointTextSize.Width) / 2F), pointY - Font.Height - 3F);
}
}
}
xPointOffset += xUnit;
}
//foreach (LinePoint item in line.Points) {
// LineXLabel label = XLabels.Find(p => p.X == item.X);
// //y by value percent
// float pointHeight = (float)(item.Value * yValuePercent);
// if (pointHeight < 1F)
// pointHeight = 1F;
// float pointY = yEnd - 2F - pointHeight;
// float pointX = xPointOffset + 3F + (IsSingleLine ? 0F : pointWidth * i);
// //new System.Drawing.Drawing2D.LinearGradientBrush(
// g.FillRectangle(new System.Drawing.SolidBrush(line.Color), pointX, pointY, pointWidth, pointHeight);
// //cires r-3
// //text value, to y
// string pointText = NumberToString(item.Value);
// if (pointText != "0") {
// System.Drawing.SizeF pointTextSize = g.MeasureString(pointText, NumberFont);
// g.DrawString(pointText, NumberFont, line.TextBrush, pointX + ((pointWidth - pointTextSize.Width) / 2F), pointY - Font.Height - 3F);
// }
// xPointOffset += xUnit;
//}
}
}
return(image);
}
