// Yscale value calc
private double Y_ScaleValueCalc(ExtremumValue _extremumValue, Size _sizeCharts)
{
double scale = _sizeCharts.Height;
double delta = _extremumValue.Max - _extremumValue.Min;
if (delta > 0)
{
scale = _sizeCharts.Height / delta;
}
return(scale);
}
// min value calc
private bool MinCalc(InitialValue _currentValue, ref ExtremumValue _extremumValue)
{
if (_extremumValue.Min == double.MaxValue)
{
_extremumValue.Min = _currentValue.Value;
}
else
{
if (_currentValue.Value < _extremumValue.Min)
{
_extremumValue.Min = _currentValue.Value;
return(true);
}
}
return(false);
}
//----------------------------------------------------------
// обрезаем данные по Х с перемасшбированием по 2-м осям
private void TrimmingData_X(CollectionGraphicElementsChart _chartElements, InitialDataChartList _initialDataChartList, Size _sizeChart, Action <Rectangle, double> _setBottomAction, ref ScaleValue _scaleValue, ref ExtremumValue _extremumValue, ref double _countElement)
{
if (_countElement > SettingsCharts.maxCountValueCharts.Count)
{
dispatcher.Invoke(() =>
{
for (int i = 0; i < SettingsCharts.countDelete.Count; i++)
{
_chartElements.RemoveAt(0);
}
});
_initialDataChartList.RemoveRange(0, SettingsCharts.countDelete.Count);
_countElement = _chartElements.Count;
//_extremumValue.Min = _initialDataChartList.Min(x => x.Value);
//_extremumValue.Max = _initialDataChartList.Max(x => x.Value);
_extremumValue = new ExtremumValue(_initialDataChartList.Min(x => x.Value), _initialDataChartList.Max(x => x.Value));
_scaleValue.Y_scale = Y_ScaleValueCalc(_extremumValue, _sizeChart);
double countElem = _countElement;
double y_scl = _scaleValue.Y_scale;
double minVal = _extremumValue.Min;
ScaleValue scalval = _scaleValue;
dispatcher.Invoke(() =>
{
for (int i = 0; i < countElem; i++)
{
_setBottomAction(_chartElements[i], Y_Set(_initialDataChartList[i], minVal, y_scl));
Canvas.SetLeft(_chartElements[i], X_Set(i, scalval.X_scale));
}
}, DispatcherPriority.Background);
}
}
//-------
// автомасштабирование по оси У
private void ScaleChart_Y(ChangeMinMax _changeMinMax, double _countValueChart, CollectionGraphicElementsChart _collectionGraphicElementsChart, InitialDataChartList _initialDataChartList, ExtremumValue _extremumValue, ScaleValue _scaleValue, Action <Rectangle, InitialValue, double, double> _scaleYTypeAction)
{
if (_changeMinMax.ChangeMin | _changeMinMax.ChangeMax)
{
dispatcher.Invoke(() =>
{
for (int i = 0; i < _countValueChart; i++)
{
_scaleYTypeAction(_collectionGraphicElementsChart[i], _initialDataChartList[i], _extremumValue.Min, _scaleValue.Y_scale);
}
});
}
}
// default min/max price/position set
private void DefaultMinMaxSet()
{
extremumInitialeValue = new ExtremumValue(double.MaxValue, double.MinValue);
}
