本文整理汇总了Java中org.jfree.chart.fx.ChartCanvas.getRenderingInfo方法的典型用法代码示例。如果您正苦于以下问题：Java ChartCanvas.getRenderingInfo方法的具体用法？Java ChartCanvas.getRenderingInfo怎么用？Java ChartCanvas.getRenderingInfo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.jfree.chart.fx.ChartCanvas的用法示例。
在下文中一共展示了ChartCanvas.getRenderingInfo方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getTooltipText
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Returns the tooltip text.
*
* @param canvas the canvas that is displaying the chart.
* @param x the x-coordinate of the mouse pointer.
* @param y the y-coordinate of the mouse pointer.
*
* @return String The tooltip text (possibly {@code null}).
*/
private String getTooltipText(ChartCanvas canvas, double x, double y) {
ChartRenderingInfo info = canvas.getRenderingInfo();
if (info == null) {
return null;
}
EntityCollection entities = info.getEntityCollection();
if (entities == null) {
return null;
}
ChartEntity entity = entities.getEntity(x, y);
if (entity == null) {
return null;
}
return entity.getToolTipText();
}
示例2: handleZoomable
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handle the case where a plot implements the {@link Zoomable} interface.
*
* @param zoomable the zoomable plot.
* @param e the mouse wheel event.
*/
private void handleZoomable(ChartCanvas canvas, Zoomable zoomable,
ScrollEvent e) {
// don't zoom unless the mouse pointer is in the plot's data area
ChartRenderingInfo info = canvas.getRenderingInfo();
PlotRenderingInfo pinfo = info.getPlotInfo();
Point2D p = new Point2D.Double(e.getX(), e.getY());
if (pinfo.getDataArea().contains(p)) {
Plot plot = (Plot) zoomable;
// do not notify while zooming each axis
boolean notifyState = plot.isNotify();
plot.setNotify(false);
int clicks = (int) e.getDeltaY();
double zf = 1.0 + this.zoomFactor;
if (clicks < 0) {
zf = 1.0 / zf;
}
if (canvas.isDomainZoomable()) {
zoomable.zoomDomainAxes(zf, pinfo, p, true);
}
if (canvas.isRangeZoomable()) {
zoomable.zoomRangeAxes(zf, pinfo, p, true);
}
plot.setNotify(notifyState); // this generates the change event too
}
}
示例3: getTooltipText
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Returns the tooltip text.
*
* @param canvas the canvas that is displaying the chart.
* @param x the x-coordinate of the mouse pointer.
* @param y the y-coordinate of the mouse pointer.
*
* @return String The tooltip text (possibly <code>null</code>).
*/
private String getTooltipText(ChartCanvas canvas, double x, double y) {
ChartRenderingInfo info = canvas.getRenderingInfo();
if (info == null) {
return null;
}
EntityCollection entities = info.getEntityCollection();
if (entities == null) {
return null;
}
ChartEntity entity = entities.getEntity(x, y);
if (entity == null) {
return null;
}
return entity.getToolTipText();
}
示例4: handleZoomable
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handle the case where a plot implements the {@link Zoomable} interface.
*
* @param zoomable the zoomable plot.
* @param e the mouse wheel event.
*/
private void handleZoomable(ChartCanvas canvas, Zoomable zoomable,
ScrollEvent e) {
// don't zoom unless the mouse pointer is in the plot's data area
ChartRenderingInfo info = canvas.getRenderingInfo();
PlotRenderingInfo pinfo = info.getPlotInfo();
Point2D p = new Point2D.Double(e.getX(), e.getY());
if (pinfo.getDataArea().contains(p)) {
Plot plot = (Plot) zoomable;
// do not notify while zooming each axis
boolean notifyState = plot.isNotify();
plot.setNotify(false);
int clicks = (int) e.getDeltaY();
double zf = 1.0 + this.zoomFactor;
if (clicks < 0) {
zf = 1.0 / zf;
}
if (true) { //this.chartPanel.isDomainZoomable()) {
zoomable.zoomDomainAxes(zf, pinfo, p, true);
}
if (true) { //this.chartPanel.isRangeZoomable()) {
zoomable.zoomRangeAxes(zf, pinfo, p, true);
}
plot.setNotify(notifyState); // this generates the change event too
}
}