/// <summary>
/// 绘制显示区域样式
/// </summary>
/// <param name="globalView"></param>
/// <param name="graphics"></param>
/// <param name="globalViewZoomArea"></param>
private void DrawDisplayAreaStyle(GlobalViewPlotElementInfo globalView, Graphics graphics, RectangleF globalViewZoomArea)
{
Pen globalViewZoomAreaPen = globalView.GlobalViewZoomAreaPen;
//绘制边框
graphics.DrawRectangle(globalViewZoomAreaPen, globalViewZoomArea.X, globalViewZoomArea.Y, globalViewZoomArea.Width, globalViewZoomArea.Height);
//绘制内部细线
float zoomDAEndX = globalViewZoomArea.X + globalViewZoomArea.Width;
float zoomDABeginX = globalViewZoomArea.X;
float zoomDAY1 = globalViewZoomArea.Y;
float zoomDAY2 = zoomDAY1 + globalViewZoomArea.Height;
int interval = 2;
if (globalViewZoomArea.Width > 20)
{
//左边竖线
this.DrawVerLine(graphics, globalViewZoomAreaPen, zoomDABeginX + interval, zoomDABeginX + 10, zoomDAY1, zoomDAY2, interval);
//右边竖线
this.DrawVerLine(graphics, globalViewZoomAreaPen, zoomDAEndX - 8, zoomDAEndX - 1, zoomDAY1, zoomDAY2, interval);
}
else
{
//宽度小于20就左右边一起了
this.DrawVerLine(graphics, globalViewZoomAreaPen, zoomDABeginX + interval, zoomDAEndX, zoomDAY1, zoomDAY2, interval);
}
}
private RectangleF?DrawGlobalView(Graphics graphics, WavePlotPara plotPara, IEnumerable <ChannelPlotData> plotDatas)
{
GlobalViewPlotElementInfo globalView = this._globalView;
if (globalView == null)
{
return(null);
}
//填充整体视图波形背景
if (globalView.BackgroudColor != null)
{
graphics.FillRectangle(globalView.BackgroudColor, globalView.Area);
}
if (plotDatas == null)
{
return(null);
}
//整体视图中缩放后显示区域
RectangleF?globalViewZoomArea = null;
if (this._zoomInfo.HasZoom())
{
float x1 = (float)(globalView.Area.Width * plotPara.SBTOMillisecond / plotPara.DurationMillisecond);
float x2 = (float)(globalView.Area.Width * plotPara.GetSETOMillisecond() / plotPara.DurationMillisecond);
globalViewZoomArea = new RectangleF(x1, globalView.Area.Y, x2 - x1, globalView.Area.Height);
graphics.FillRectangle(globalView.GlobalViewZoomAreaBackBrush, globalViewZoomArea.Value);
}
RectangleF?wavSelectedArea = this.GetSelectedAreaBackground(globalView.Area, plotPara, PlotConstant.ZEROR_D, plotPara.DurationMillisecond);
if (wavSelectedArea.HasValue)
{
//填充选中背景
graphics.FillRectangle(this._seleactionGlobalViewAreaBrush, wavSelectedArea.Value);
}
//绘制整体视图波形
this.DrawWaveDb(graphics, globalView, plotPara, plotDatas, true);
if (globalViewZoomArea.HasValue)
{
this.DrawDisplayAreaStyle(globalView, graphics, globalViewZoomArea.Value);
}
return(wavSelectedArea);
}