Example usage for java.awt.geom Ellipse2D.Double getX

Introduction

In this page you can find the example usage for java.awt.geom Ellipse2D.Double getX.

Prototype

public abstract double getX();

Source Link

Document

Returns the X coordinate of the upper-left corner of the framing rectangle in double precision.

Usage

From source file:edu.ucla.stat.SOCR.motionchart.MotionBubbleRenderer.java

/**
 * Translates the shape so that it displays correctly given the plot and dataArea.
 *
 * @param shape     the shape to translate
 * @param plot      the plot that will be used to translate the shape
 * @param dataArea  the dataArea that the shape will be translated to
 * @return          The translated shape
 *///from  w  ww  .  j  a  v a 2 s. c  o  m
@SuppressWarnings({ "SuspiciousNameCombination" })
protected Ellipse2D.Double translateShape(Ellipse2D.Double shape, XYPlot plot, Rectangle2D dataArea) {
    Ellipse2D.Double circle = null;

    //double x = shape.getCenterX();
    //double y = shape.getCenterY();
    double z = shape.getWidth();

    PlotOrientation orientation = plot.getOrientation();

    ValueAxis domainAxis = plot.getDomainAxis();
    ValueAxis rangeAxis = plot.getRangeAxis();
    RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

    double transX1 = domainAxis.valueToJava2D(shape.getX(), dataArea, domainAxisLocation);
    double transX2 = domainAxis.valueToJava2D(shape.getX() + shape.getWidth(), dataArea, domainAxisLocation);
    //The upper-left corner is the lower-left on the graph (screen origin vs. graph origin)
    double transY1 = rangeAxis.valueToJava2D(shape.getY() + shape.getHeight(), dataArea, rangeAxisLocation);
    double transY2 = rangeAxis.valueToJava2D(shape.getY(), dataArea, rangeAxisLocation);

    double width = z * domainAxis.getRange().getLength() * domainZoomMultiplier * SIZE_MULTIPLIER;
    double height = z * rangeAxis.getRange().getLength() * rangeZoomMultiplier * SIZE_MULTIPLIER;
    double transWidth = domainAxis.lengthToJava2D(width, dataArea, domainAxisLocation);//transX2 - transX1;
    double transHeight = rangeAxis.lengthToJava2D(height, dataArea, rangeAxisLocation);//transY2 - transY1;

    double transX = (transX1 + transX2) / 2.0;
    double transY = (transY1 + transY2) / 2.0;

    switch (getScaleType()) {
    case SCALE_ON_DOMAIN_AXIS:
        transHeight = transWidth;
        break;
    case SCALE_ON_RANGE_AXIS:
        transWidth = transHeight;
        break;
    default:
        break;
    }
    transWidth = Math.abs(transWidth);
    transHeight = Math.abs(transHeight);

    if (orientation == PlotOrientation.VERTICAL) {
        circle = new Ellipse2D.Double(transX - transWidth / 2.0, transY - transHeight / 2.0, transWidth,
                transHeight);
    } else if (orientation == PlotOrientation.HORIZONTAL) {
        circle = new Ellipse2D.Double(transY - transHeight / 2.0, transX - transWidth / 2.0, transHeight,
                transWidth);
    }

    return circle;
}

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