public void Draw(DrawingContext dc, HorizontalPhysicalAxis hAxis, VerticalPhysicalAxis vAxis)
{
Pen pen = new Pen(_stroke, _strokeThickness);
for (int i = 0; i < _xs.Count - 1; ++i)
{
double x1 = hAxis.WorldToPhysical(_xs[i], ClippingType.Clip);
double x2 = hAxis.WorldToPhysical(_xs[i + 1], ClippingType.Clip);
double y1 = vAxis.WorldToPhysical(_ys[i], ClippingType.Clip);
double y2 = vAxis.WorldToPhysical(_ys[i + 1], ClippingType.Clip);
dc.DrawLine(pen, new Point(x1, y1), new Point(x2, y2));
}
}
/// <summary>
/// Draw method
/// </summary>
/// <param name="dc">DrawingContext on which to draw.</param>
/// <param name="hAxis">horizontal axis to draw against.</param>
/// <param name="vAxis">vertical axis to draw against.</param>
public void Draw(DrawingContext dc, HorizontalPhysicalAxis hAxis, VerticalPhysicalAxis vAxis)
{
Pen minorPen = new Pen(_stroke_minor, _strokeThickness_minor);
Pen majorPen = new Pen(_stroke_major, _strokeThickness_major);
if (_visibility_horizontal == Visibility.Visible)
{
List <AxisMarking> hTicks = hAxis.GetAxisMarkings();
for (int i = 0; i < hTicks.Count; ++i)
{
Pen p = minorPen;
if (hTicks[i].TickType == TickType.Large)
{
p = majorPen;
}
double x = hAxis.WorldToPhysical(hTicks[i].World, ClippingType.Clip);
dc.DrawLine(p, new Point(x, vAxis.PhysicalMinY), new Point(x, vAxis.PhysicalMaxY));
}
}
if (_visibility_vertical == Visibility.Visible)
{
List <AxisMarking> vTicks = vAxis.GetAxisMarkings();
for (int i = 0; i < vTicks.Count; ++i)
{
Pen p = minorPen;
if (vTicks[i].TickType == TickType.Large)
{
p = majorPen;
}
double y = vAxis.WorldToPhysical(vTicks[i].World, ClippingType.Clip);
dc.DrawLine(p, new Point((int)hAxis.PhysicalMinX, (int)y), new Point((int)hAxis.PhysicalMaxX, (int)y));
}
}
}
/// <summary>
/// The main draw function.
/// </summary>
/// <param name="dc">DrawingContext to draw on</param>
/// <param name="hAxis">horizontal axis to draw against.</param>
/// <param name="vAxis">vertical axis to draw against.</param>
public void Draw(DrawingContext dc, HorizontalPhysicalAxis hAxis, VerticalPhysicalAxis vAxis)
{
// check that there are the correct number of fill brushes defined (or none at all).
if (_fills != null)
{
if (_fills.Count != _ys.Count)
{
throw new WChartException("Either the same number of Fills as y bars should be defined, or Fills should be set to null.");
}
}
Pen p = new Pen(_stroke, _strokeThickness);
for (int i = 0; i < _xs.Count; ++i)
{
if (_xs[i] < hAxis.Axis.WorldMin || _xs[i] > hAxis.Axis.WorldMax)
{
continue;
}
double x1 = _xs[i] - BarWidth / 2.0;
double x2 = _xs[i] + BarWidth / 2.0;
int firstY = (int)vAxis.PhysicalMinY;
int prevY = (int)vAxis.PhysicalMinY;
for (int j = 0; j < _ys.Count; ++j)
{
double y1 = _ys[j][i];
double px1 = hAxis.WorldToPhysical(x1, ClippingType.Clip);
double px2 = hAxis.WorldToPhysical(x2, ClippingType.Clip);
int currentY = (int)vAxis.WorldToPhysical(y1, ClippingType.NoClip) - firstY + prevY;
Brush fill = _defaultFill;
if (_fills != null)
{
fill = _fills[j];
}
dc.DrawRectangle(fill, p, new Rect((int)px1, currentY, (int)(px2 - px1), prevY - currentY));
if (_showValueText && y1 != 0.0)
{
FormattedText ft = new FormattedText(
y1.ToString(_valueTextFormat), CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
new Typeface("Arial"), 13.0, Brushes.Black);
if (ft.Width < prevY - currentY + 2)
{
Point pp = new Point(-ft.Width / 2.0, -ft.Height / 2.0);
dc.PushTransform(new TranslateTransform((int)((px1 + px2) / 2.0),
(int)((prevY + currentY) / 2.0)));
dc.PushTransform(new RotateTransform(-90));
dc.DrawText(ft, pp);
dc.Pop();
dc.Pop();
}
}
prevY = currentY;
}
}
}