private void ResizeAxisY()
{
int iCount = __cLayers.Count;
if (iCount > 0)
{
int iAxisYWidth = 0;
for (int i = 0; i < iCount; i++)
{
Layer cLayer = __cLayers[i];
AxisY cAxisY = cLayer.AxisY;
if (cAxisY != null)
{
int iWidthY = cAxisY.AxisRectangle.Width;
if (iWidthY > iAxisYWidth)
{
iAxisYWidth = iWidthY;
}
}
}
for (int i = 0; i < iCount; i++)
{
Layer cLayer = __cLayers[i];
cLayer.ResizeAxisY(iAxisYWidth);
}
//重新設定 AxisX 的寬度
Rectangle cAxisRect = __cAxisX.AxisRectangle;
cAxisRect.Width = __cChartRect.Width - iAxisYWidth;
__cAxisX.AxisRectangle = cAxisRect;
}
}
internal void ResizeAxisY(int width)
{
if (__cPlots.Count > 0)
{
AxisY cAxisY = __cPlots[0].AxisY;
cAxisY.SetAxisRectangle(__cLayerRect, width);
}
}
protected static AxisY CreateAxisY(AbstractPaintEngine engine, AxisSetting axisSetting, IPriceScale scale, ChartProperty property, Rectangle axisRectangle)
{
AxisY cAxisY = new AxisY(axisSetting, scale);
cAxisY.AxisRectangle = axisRectangle;
cAxisY.FontMetrics = engine.GetFontMetrics("0", property.AxisFont);
return(cAxisY);
}
internal void CalculatePlot()
{
int iCount = __cPlots.Count;
if (iCount > 0)
{
AxisY cAxis0 = __cPlots[0].AxisY;
for (int i = 0; i < iCount; i++)
{
if (i == 0 || __cPlots[i].AxisY != cAxis0)
{
__cPlots[i].CalculatePlot(this.AxisX);
}
}
}
}
internal void AddPlot(AbstractPlot plot, AxisY axisY = null)
{
if (axisY == null)
{
if (__cPlots.Count == 0 || plot.ChartSetting.Axis.IsCreateInstance)
{
Rectangle cAxisRect = this.LayerRectangle;
cAxisRect.Width = 0; //將寬度設定為0(讓 AxisY 自動計算寬度)
plot.CreateAxisY(__cProperty, cAxisRect);
}
else
{
plot.AxisY = __cPlots[0].AxisY;
}
}
else
{
plot.AxisY = axisY;
}
EChartType cChartType = plot.ChartSetting.ChartType;
switch (cChartType)
{
case EChartType.TextObject:
case EChartType.TradeObject:
plot.PlotIndex = -1;
break;
default:
plot.PlotIndex = __iMaxPlotCount++;
break;
}
__cPlots.Add(plot);
}
/// <summary> /// 繪製 AxisY 座標軸 /// </summary> /// <param name="axis">AxisY 座標軸</param> /// <param name="property">Chart 屬性參數</param> public abstract void DrawAxisY(AxisY axis, ChartProperty property);
/// <summary> /// 繪製 AxisY 軸的數值標籤(價格線或數值線標籤) /// </summary> /// <param name="axis">AxisY 座標軸</param> /// <param name="lineColor">標籤線色彩</param> /// <param name="property">Chart 屬性參數</param> public abstract void DrawAxisValueLabel(AxisY axis, Color lineColor, ChartProperty property);