Example usage for java.awt.geom Line2D getP1

Introduction

In this page you can find the example usage for java.awt.geom Line2D getP1.

Prototype

public abstract Point2D getP1();

Source Link

Document

Returns the start Point2D of this Line2D .

Usage

From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public void removeDomainAxisMarker(double x) {
    for (Entry<Line2D, Color> entry : domainMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        if (line.getP1().getX() == x) {
            domainMarkerMap.remove(line);
            break;
        }//ww  w.j av  a2s  .c  o  m
    }
    getXYPlot().setNotify(true);
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public void removeRangeAxisMarker(double y) {
    for (Entry<Line2D, Color> entry : rangeMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        if (line.getP1().getY() == y) {
            rangeMarkerMap.remove(line);
            break;
        }/*  www .j a v  a  2  s  .  c  om*/
    }
    getXYPlot().setNotify(true);
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

@Override
public void removeMarker(double x, double y) {
    for (Entry<Line2D, Color> entry : markerMap.entrySet()) {
        Line2D line = entry.getKey();
        if (line.getP1().getX() == x && line.getP1().getY() == y) {
            markerMap.remove(line);//  w  w  w  . j  a v  a 2  s. c  om
            break;
        }
    }
    getXYPlot().setNotify(true);
}

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From source file:org.gumtree.vis.awt.JChartPanel.java

private void findSelectedMarker(Point point) {
    Line2D marker = null;//from   w w w  . j  a v  a2 s . c  o m
    double distance = Double.MAX_VALUE;
    double cDis;
    for (Entry<Line2D, Color> entry : domainMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p2 = line.getP2();
        double height = p2.getY();
        cDis = Double.MAX_VALUE;
        if (height < 1e-4) {
            double xScr = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart()).getX();
            cDis = Math.abs(point.getX() - xScr);
        } else {
            Point2D newP2 = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart());
            if (newP2.getY() < point.getY()) {
                cDis = Math.abs(point.getX() - newP2.getX());
            } else {
                cDis = newP2.distance(point);
            }
        }
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    for (Entry<Line2D, Color> entry : rangeMarkerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p1 = line.getP1();
        Point2D p2 = line.getP2();
        double width = p2.getX();
        cDis = Double.MAX_VALUE;
        if (width < 1e-4) {
            double yScr = ChartMaskingUtilities.translateChartPoint(p1, getScreenDataArea(), getChart()).getY();
            cDis = Math.abs(point.getY() - yScr);
        } else {
            Point2D newP2 = ChartMaskingUtilities.translateChartPoint(p2, getScreenDataArea(), getChart());
            if (newP2.getX() > point.getX()) {
                cDis = Math.abs(point.getY() - newP2.getY());
            } else {
                cDis = newP2.distance(point);
            }
        }
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    for (Entry<Line2D, Color> entry : markerMap.entrySet()) {
        Line2D line = entry.getKey();
        Point2D p1 = line.getP1();
        p1 = ChartMaskingUtilities.translateChartPoint(p1, getScreenDataArea(), getChart());
        cDis = p1.distance(point);
        if (cDis <= distance) {
            distance = cDis;
            marker = line;
        }
    }
    if (distance < 5) {
        selectedMarker = marker;
    } else {
        selectedMarker = null;
    }
}

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From source file:org.dwfa.ace.graph.AceGraphRenderer.java

/**
 * Passed Line's point2 must be inside the passed shape or
 * an IllegalArgumentException is thrown
 * /*from   w  w  w  .  j a  v  a2  s  . c  o  m*/
 * @param line line to subdivide
 * @param shape shape to compare with line
 * @return a line that intersects the shape boundary
 * @throws IllegalArgumentException if the passed line's point1 is not
 *             inside the shape
 */
protected Line2D getLastOutsideSegment(Line2D line, Shape shape) {
    if (shape.contains(line.getP2()) == false) {
        String errorString = "line end point: " + line.getP2() + " is not contained in shape: "
                + shape.getBounds2D();
        throw new IllegalArgumentException(errorString);
        // return null;
    }
    Line2D left = new Line2D.Double();
    Line2D right = new Line2D.Double();
    // subdivide the line until its left segment intersects
    // the shape boundary
    int iterations = 0;
    do {
        subdivide(line, left, right);
        line = right;
    } while (shape.contains(line.getP1()) == false && iterations++ < MAX_ITERATIONS);
    // now that right is completely inside shape,
    // return left, which must be partially outside
    return left;
}

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