public ChartColumn(ChartValue cv, NumberFormatInfo nfi, Color c1, double colWidth, double availableHeight, double range)
{
this.availableHeight = availableHeight;
if (range == 0)
{
range = availableHeight;
}
this.range = range;
vtext = new TextBlock();
Binding binding = new Binding();
binding.Source = this;
binding.Path = new PropertyPath("ColumnValue");
binding.Converter = new NumberConverter(nfi);
vtext.SetBinding(TextBlock.TextProperty, binding);
vtext.HorizontalAlignment = HorizontalAlignment.Center;
r = new Rectangle();
r.Width = colWidth;
r.Height = 0;
r.RadiusX = r.RadiusY = 2;
HlsColor hls = new HlsColor(c1);
hls.Lighten(.3f);
Color c2 = hls.Color;
hls = new HlsColor(c1);
hls.Darken(.3f);
Color stroke = hls.Color;
r.Stroke = new SolidColorBrush(stroke);
r.StrokeThickness = 1;
r.Fill = new LinearGradientBrush(c1, c2, new Point(0, 0), new Point(0, 1));
TextBlock label = new TextBlock();
label.Text = cv.Label;
label.HorizontalAlignment = HorizontalAlignment.Center;
this.Children.Add(vtext);
this.Children.Add(r);
this.Children.Add(label);
this.value = cv;
this.SetValue(ColumnValueProperty, cv.Value);
}
Brush GetPressedBrush()
{
if (_normal == null)
{
this._normal = this.Background;
}
if (_pressed == null)
{
SolidColorBrush temp = this._normal as SolidColorBrush;
if (temp != null)
{
var hls = new HlsColor(temp.Color);
hls.Darken(0.25f);
_pressed = new SolidColorBrush(hls.Color);
}
else
{
_pressed = new SolidColorBrush(Color.FromArgb(0xff, 0x00, 0x7A, 0xCC));
}
}
return(_highlight);
}
void PopulateTheChart(StackPanel legend)
{
selectedSeries = null;
foreach (ChartSeries s in data.AllSeries)
{
if (s.Values.Count > 0)
{
PathGeometry path = new PathGeometry();
PathFigure figure = new PathFigure();
path.Figures.Add(figure);
figure.IsClosed = true;
double x = 0;
double min = s.Minimum;
double max = s.Maximum;
bool flip = false;
if (s.Flipped)
{
double temp = max;
max = -min;
min = -temp;
flip = true;
}
graphMin = Math.Min(graphMin, min);
graphMax = Math.Max(graphMax, max);
figure.StartPoint = new Point(0, 0);
// Add the grid column labels along the bottom row.
foreach (ChartValue cv in s.Values)
{
double v = cv.Value;
if (flip)
{
v = -v;
}
figure.Segments.Add(new LineSegment(new Point(x, v), true));
x++;
}
if (x > 0)
{
x--;
}
figure.Segments.Add(new LineSegment(new Point(x, 0), true));
Path shape = new Path();
shape.Data = path;
geometries.Add(path);
Color c = (Color)s.Category.WpfColor;
HlsColor hls = new HlsColor(c);
hls.Darken(.25f);
shape.Fill = new SolidColorBrush(Color.FromArgb(0xA0, c.R, c.G, c.B));
shape.Stroke = new SolidColorBrush(hls.Color);
shape.StrokeThickness = 1;
this.Children.Add(shape);
graphWidth = Math.Max(graphWidth, x);
AddLengenEntry(legend, s, shape);
}
}
}
