private void DoDrawMayorLabels()
{
additionalLabelsCanvas.Children.Clear();
ITicksProvider <T> mayorTicksProvider = ticksProvider.MayorProvider;
if (mayorTicksProvider != null && MayorLabelProvider != null)
{
Size renderSize = RenderSize;
var mayorTicks = mayorTicksProvider.GetTicks(range, DefaultTicksProvider.DefaultTicksCount);
double[] screenCoords = mayorTicks.Ticks.Select(tick => createDataPoint(convertToDouble(tick))).
Select(p => p.DataToScreen(transform)).Select(p => getCoordinate(p)).ToArray();
// todo this is not the best decision - when displaying, for example,
// milliseconds, it causes to create hundreds and thousands of textBlocks.
double rangesRatio = GetRangesRatio(mayorTicks.Ticks.GetPairs().ToArray()[0], range);
object info = mayorTicks.Info;
MayorLabelsInfo newInfo = new MayorLabelsInfo
{
Info = info,
MayorLabelsCount = (int)Math.Ceiling(rangesRatio)
};
var newMayorTicks = new TicksInfo <T>
{
Info = newInfo,
Ticks = mayorTicks.Ticks,
TickSizes = mayorTicks.TickSizes
};
UIElement[] additionalLabels = MayorLabelProvider.CreateLabels(newMayorTicks);
for (int i = 0; i < additionalLabels.Length; i++)
{
if (screenCoords[i].IsNaN())
{
continue;
}
UIElement tickLabel = additionalLabels[i];
tickLabel.Measure(renderSize);
StackCanvas.SetCoordinate(tickLabel, screenCoords[i]);
StackCanvas.SetEndCoordinate(tickLabel, screenCoords[i + 1]);
if (tickLabel is FrameworkElement)
{
((FrameworkElement)tickLabel).LayoutTransform = additionalLabelTransform;
}
additionalLabelsCanvas.Children.Add(tickLabel);
}
}
}
private void DoDrawMayorLabels()
{
AdditionalLabelsCanvas.Children.Clear();
ITicksProvider <T> mayorTicksProvider = ticksProvider.MayorProvider;
if (mayorTicksProvider != null && MayorLabelProvider != null)
{
Size renderSize = RenderSize;
//if (renderSize.Width == 0 || renderSize.Height == 0) return;
var mayorTicks = mayorTicksProvider.GetTicks(range, DefaultTicksProvider.DefaultTicksCount);
double[] screenCoords = mayorTicks.Ticks.Select(tick => createDataPoint(convertToDouble(tick))).
Select(p => p.DataToScreen(transform)).Select(p => getCoordinate(p)).ToArray();
int expectedMayorLabelsCount = mayorTicks.Ticks.Length;
// todo this is not the best decision - when displaying, for example,
// milliseconds, it causes to create hundreds and thousands of textBlocks.
double rangesRatio = GetRangesRatio(mayorTicks.Ticks.GetPairs().ToArray()[0], range);
object info = mayorTicks.Info;
MayorLabelsInfo newInfo = new MayorLabelsInfo
{
Info = info,
MayorLabelsCount = (int)Math.Ceiling(rangesRatio)
};
var newMayorTicks = new TicksInfo <T>
{
Info = newInfo,
Ticks = mayorTicks.Ticks,
TickSizes = mayorTicks.TickSizes
};
IEnumerable <FrameworkElement> additionalLabels = MayorLabelProvider.CreateLabels(newMayorTicks);
int i = 0;
foreach (FrameworkElement fe in additionalLabels)
{
fe.Measure(renderSize);
StackCanvas.SetCoordinate(fe, screenCoords[i]);
if (i + 1 < screenCoords.Length)
{
StackCanvas.SetEndCoordinate(fe, screenCoords[i + 1]);
}
AdditionalLabelsCanvas.Children.Add(fe);
i++;
}
}
}