public static void GenerateXGrids(this ICanvasRange range, IDataSeries series)
{
for (double dy = range.Ymin + range.YTick; dy < range.Ymax; dy += range.YTick)
{
Line gridLine = new Line
{
X1 = range.NormalizePoint(new Point(range.Xmin, dy)).X,
Y1 = range.NormalizePoint(new Point(range.Xmin, dy)).Y,
X2 = range.NormalizePoint(new Point(range.Xmax, dy)).X,
Y2 = range.NormalizePoint(new Point(range.Xmax, dy)).Y
};
series.AddLinePattern(gridLine);
range.ChartCanvas.Children.Add(gridLine);
}
}
public static double CalculateLeftOffset(this ICanvasRange range)
{
double offset = 0;
for (double dy = range.Ymin; dy < range.Ymax; dy += range.YTick)
{
TextBlock tb = new TextBlock
{
Text = dy.ToString(),
TextAlignment = TextAlignment.Right
};
tb.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
if (offset < tb.DesiredSize.Width)
{
offset = tb.DesiredSize.Width;
}
}
return(offset + 5);
}
public static void GenerateXLabels(this ICanvasRange range, double leftOffset)
{
for (double dx = range.Xmin; dx <= range.Xmax; dx += range.XTick)
{
Point pt = range.NormalizePoint(new Point(dx, range.Ymin));
Line tick = new Line
{
Stroke = Brushes.Black,
X1 = pt.X,
Y1 = pt.Y,
X2 = pt.X,
Y2 = pt.Y - 5
};
range.ChartCanvas.Children.Add(tick);
TextBlock tb = new TextBlock {
Text = dx.ToString()
};
tb.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
range.TextCanvas.Children.Add(tb);
Canvas.SetLeft(tb, leftOffset + pt.X - tb.DesiredSize.Width / 2);
Canvas.SetTop(tb, pt.Y + 2 + tb.DesiredSize.Height / 2);
}
}
public static void GenerateYLabels(this ICanvasRange range)
{
for (double dy = range.Ymin; dy <= range.Ymax; dy += range.YTick)
{
Point pt = range.NormalizePoint(new Point(range.Xmin, dy));
Line tick = new Line
{
Stroke = Brushes.Black,
X1 = pt.X,
Y1 = pt.Y,
X2 = pt.X + 5,
Y2 = pt.Y
};
range.ChartCanvas.Children.Add(tick);
TextBlock tb = new TextBlock {
Text = dy.ToString()
};
tb.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
range.TextCanvas.Children.Add(tb);
Canvas.SetRight(tb, range.ChartCanvas.Width + 10);
Canvas.SetTop(tb, pt.Y);
}
}
