本文整理了Java中org.jfree.chart.plot.Plot.setBackgroundAlpha()方法的一些代码示例，展示了Plot.setBackgroundAlpha()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Plot.setBackgroundAlpha()方法的具体详情如下：
包路径：org.jfree.chart.plot.Plot
类名称：Plot
方法名：setBackgroundAlpha

Plot.setBackgroundAlpha介绍

[英]Sets the alpha transparency of the plot area background, and notifies registered listeners that the plot has been modified.
[中]设置绘图区域背景的alpha透明度，并通知已注册的侦听器绘图已被修改。

代码示例

代码示例来源：origin: com.xpn.xwiki.platform/xwiki-core

public static void customizePlot(Plot plot, ChartParams params)
{
  if (params.get(ChartParams.PLOT_BACKGROUND_COLOR) != null) {
    plot.setBackgroundPaint(params.getColor(ChartParams.PLOT_BACKGROUND_COLOR));
  }
  if (params.get(ChartParams.PLOT_BACKGROUND_ALPHA) != null) {
    plot.setBackgroundAlpha(params.getFloat(ChartParams.PLOT_BACKGROUND_ALPHA).floatValue());
  }
  if (params.get(ChartParams.PLOT_FOREGROUND_ALPHA) != null) {
    plot.setForegroundAlpha(params.getFloat(ChartParams.PLOT_FOREGROUND_ALPHA).floatValue());
  }
  if (params.get(ChartParams.PLOT_INSERTS) != null) {
    plot.setInsets(params.getRectangleInsets(ChartParams.PLOT_INSERTS));
  }
  if (params.get(ChartParams.PLOT_OUTLINE_COLOR) != null) {
    plot.setOutlinePaint(params.getColor(ChartParams.PLOT_OUTLINE_COLOR));
  }
  if (params.get(ChartParams.PLOT_OUTLINE_STROKE) != null) {
    plot.setOutlineStroke(params.getStroke(ChartParams.PLOT_OUTLINE_STROKE));
  }
}

代码示例来源：origin: jasperreports/jasperreports

plot.setBackgroundAlpha(backgroundAlpha);
plot.setForegroundAlpha(foregroundAlpha);

代码示例来源：origin: org.jboss.seam/jboss-seam-pdf

public void configurePlot(Plot plot) {
  if (getPlotBackgroundAlpha() != null) {
    plot.setBackgroundAlpha(getPlotBackgroundAlpha());
  }
  if (getPlotForegroundAlpha() != null) {
    plot.setForegroundAlpha(getPlotForegroundAlpha());
  }
  if (getPlotBackgroundPaint() != null) {
    plot.setBackgroundPaint(findColor(getPlotBackgroundPaint()));
  }
  if (getPlotOutlinePaint() != null) {
    plot.setOutlinePaint(findColor(getPlotOutlinePaint()));
  }
  if (getPlotOutlineStroke() != null) {
    plot.setOutlineStroke(findStroke(getPlotOutlineStroke()));
  }
}

代码示例来源：origin: org.zkoss.zk/zkex

plot.setBackgroundAlpha(alpha);