/* 绘制X坐标轴
*/
protected virtual void _DrawXAxis(Graphics g, int width, int height)
{
Rectangle rect_grid = _GetGridRect(width, height);
Rectangle rect_axis = _GetXAxisRect(width, height);
_DrawSingleXAxis(g, rect_axis, rect_grid, _AxesPen);
float delta_amount = _GetMaxDeltaAmount();
float start_delta_amount, stop_delta_amount;
ChartCurve1V.GetYAxisStartStopDeltaAmountByBilichi(_DataBilichiStart, _DataBilichiStop, delta_amount, out start_delta_amount, out stop_delta_amount);
_XAxisMinValueUsed = start_delta_amount;
_XAxisMaxValueUsed = stop_delta_amount;
string name_unit = XAxisName + (string.IsNullOrEmpty(XAxisUnitName) ? "" : ("（" + XAxisUnitName + "）"));
DataFormat df = XAxisKdFormat;
_DrawSingleXAxisVal(g, rect_axis, rect_grid, name_unit, _AxesFont, _AxesBrush, start_delta_amount, stop_delta_amount, df);
}
/* 绘制Y坐标轴
*/
protected virtual void _DrawYAxis(Graphics g, int width, int height)
{
Rectangle rect_grid = _GetGridRect(width, height);
Rectangle rect_axis = _GetYAxisRect(width, height);
float delta_amount = _GetMaxDeltaAmount();
float start_delta_amount, stop_delta_amount;
ChartCurve1V.GetYAxisStartStopDeltaAmountByBilichi(_DataBilichiStart, _DataBilichiStop, delta_amount, out start_delta_amount, out stop_delta_amount);
if (YAxisCombined || _Curves.Count == 0)
{
_DrawSingleYAxis(g, rect_axis, rect_grid, _AxesPen);
string name_unit = YAxisName + (string.IsNullOrEmpty(YAxisUnitName) ? "" : ("（" + YAxisUnitName + "）"));
if (YAxisIsAuto)
{
float y_axis_max = 0.0f, y_axis_min = 0.0f;
bool first = true;
for (int i = 0; i < _Curves.Count; ++i)
{
ChartCurve1V cc = _Curves[i];
List <float> data = cc.YAxisData;
int start_index, stop_index;
cc.GetYAxisStartStopIndex(start_delta_amount, stop_delta_amount, out start_index, out stop_index);
float f_max, f_min;
cc.GetYAxisDataMaxMinValueInSpan(start_index, stop_index, out f_max, out f_min);
if (first)
{
first = false;
y_axis_max = f_max;
y_axis_min = f_min;
}
else
{
if (y_axis_max < f_max)
{
y_axis_max = f_max;
}
if (y_axis_min > f_min)
{
y_axis_min = f_min;
}
}
}
float abs_max = Math.Abs(y_axis_max) > Math.Abs(y_axis_min) ? Math.Abs(y_axis_max) : Math.Abs(y_axis_min);
Int64 y_axis_range = ChartCurve1V.GetAxisRange(abs_max);
_YAxisMaxValueUsed = (float)y_axis_range / (float)1E6;
_YAxisMinValueUsed = -_YAxisMaxValueUsed;
}
else
{
_YAxisMaxValueUsed = YAxisMaxValue;
_YAxisMinValueUsed = YAxisMinValue;
}
_DrawSingleYAxisVal(g, rect_axis, rect_grid, name_unit, _AxesFont, _AxesBrush, _YAxisMinValueUsed, _YAxisMaxValueUsed, YAxisKdFormat);
}
else
{
int single_axis_width = (int)Math.Round((double)rect_axis.Width / (double)_Curves.Count);
for (int i = 0; i < _Curves.Count; ++i)
{
ChartCurve1V cc = _Curves[i];
Rectangle rect_axis_single;
if (i == 0)
{
rect_axis_single = new Rectangle(rect_axis.Right - single_axis_width, rect_axis.Y, single_axis_width, rect_axis.Height);
}
else if (i == _Curves.Count - 1)
{
rect_axis_single = new Rectangle(rect_axis.X, rect_axis.Y, single_axis_width, rect_axis.Height);
}
else
{
rect_axis_single = new Rectangle(rect_axis.X + (_Curves.Count - 1 - i) * single_axis_width, rect_axis.Y, single_axis_width, rect_axis.Height);
}
_DrawSingleYAxis(g, rect_axis_single, rect_grid, cc.Pen);
string name_unit = cc.YAxisName + (string.IsNullOrEmpty(cc.YAxisUnitName) ? "" : ("（" + cc.YAxisUnitName + "）"));
if (cc.YAxisIsAuto)
{
int start_index, stop_index;
cc.GetYAxisStartStopIndex(start_delta_amount, stop_delta_amount, out start_index, out stop_index);
float f_max, f_min;
cc.GetYAxisDataMaxMinValueInSpan(start_index, stop_index, out f_max, out f_min);
float abs_max = Math.Abs(f_max) > Math.Abs(f_min) ? Math.Abs(f_max) : Math.Abs(f_min);
Int64 y_axis_range = ChartCurve1V.GetAxisRange(abs_max);
cc.YAxisMaxValueUsed = (float)y_axis_range / (float)1E6;
cc.YAxisMinValueUsed = -cc.YAxisMaxValueUsed;
}
else
{
cc.YAxisMaxValueUsed = cc.YAxisMaxValue;
cc.YAxisMinValueUsed = cc.YAxisMinValue;
}
_DrawSingleYAxisVal(g, rect_axis_single, rect_grid, name_unit, _AxesFont, cc.Brush, cc.YAxisMinValueUsed, cc.YAxisMaxValueUsed, cc.YAxisKdFormat);
}
}
}