本文整理汇总了Java中org.jfree.chart.fx.ChartCanvas.findDataArea方法的典型用法代码示例。如果您正苦于以下问题：Java ChartCanvas.findDataArea方法的具体用法？Java ChartCanvas.findDataArea怎么用？Java ChartCanvas.findDataArea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.findDataArea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: handleMousePressed
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas ({@code null} not permitted).
* @param e the mouse event ({@code null} not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Plot plot = canvas.getChart().getPlot();
if (!(plot instanceof Pannable)) {
canvas.clearLiveHandler();
return;
}
Pannable pannable = (Pannable) plot;
if (pannable.isDomainPannable() || pannable.isRangePannable()) {
Point2D point = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(point);
if (dataArea != null && dataArea.contains(point)) {
this.panW = dataArea.getWidth();
this.panH = dataArea.getHeight();
this.panLast = point;
canvas.setCursor(javafx.scene.Cursor.MOVE);
}
}
// the actual panning occurs later in the mouseDragged() method
}
示例2: handleMousePressed
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas (<code>null</code> not permitted).
* @param e the mouse event (<code>null</code> not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Plot plot = canvas.getChart().getPlot();
if (!(plot instanceof Pannable)) {
canvas.clearLiveHandler();
return;
}
Pannable pannable = (Pannable) plot;
if (pannable.isDomainPannable() || pannable.isRangePannable()) {
Point2D point = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(point);
if (dataArea != null && dataArea.contains(point)) {
this.panW = dataArea.getWidth();
this.panH = dataArea.getHeight();
this.panLast = point;
canvas.setCursor(javafx.scene.Cursor.MOVE);
}
}
// the actual panning occurs later in the mouseDragged() method
}
示例3: handleMousePressed
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas ({@code null} not permitted).
* @param e the mouse event ({@code null} not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Point2D pt = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(pt);
if (dataArea != null) {
this.startPoint = ShapeUtils.getPointInRectangle(e.getX(),
e.getY(), dataArea);
} else {
this.startPoint = null;
canvas.clearLiveHandler();
}
}
示例4: handleMousePressed
import org.jfree.chart.fx.ChartCanvas; //导入方法依赖的package包/类
/**
* Handles a mouse pressed event by recording the initial mouse pointer
* location.
*
* @param canvas the JavaFX canvas (<code>null</code> not permitted).
* @param e the mouse event (<code>null</code> not permitted).
*/
@Override
public void handleMousePressed(ChartCanvas canvas, MouseEvent e) {
Point2D pt = new Point2D.Double(e.getX(), e.getY());
Rectangle2D dataArea = canvas.findDataArea(pt);
if (dataArea != null) {
this.startPoint = ShapeUtilities.getPointInRectangle(e.getX(),
e.getY(), dataArea);
} else {
this.startPoint = null;
canvas.clearLiveHandler();
}
}