Example usage for java.awt.geom Area intersect

Introduction

In this page you can find the example usage for java.awt.geom Area intersect.

Prototype

public void intersect(Area rhs)

Source Link

Document

Sets the shape of this Area to the intersection of its current shape and the shape of the specified Area .

Usage

From source file:org.esa.snap.graphbuilder.gpf.ui.worldmap.NestWorldMapPane.java

public static ArrayList<GeneralPath> assemblePathList(GeoPos[] geoPoints) {
    final GeneralPath path = new GeneralPath(GeneralPath.WIND_NON_ZERO, geoPoints.length + 8);
    final ArrayList<GeneralPath> pathList = new ArrayList<>(16);

    if (geoPoints.length > 1) {
        double lon, lat;
        double minLon = 0, maxLon = 0;

        boolean first = true;
        for (GeoPos gp : geoPoints) {
            lon = gp.getLon();//from w w  w.  j a va  2s  .  com
            lat = gp.getLat();
            if (first) {
                minLon = lon;
                maxLon = lon;
                path.moveTo(lon, lat);
                first = false;
            }
            if (lon < minLon) {
                minLon = lon;
            }
            if (lon > maxLon) {
                maxLon = lon;
            }
            path.lineTo(lon, lat);
        }
        path.closePath();

        int runIndexMin = (int) Math.floor((minLon + 180) / 360);
        int runIndexMax = (int) Math.floor((maxLon + 180) / 360);

        if (runIndexMin == 0 && runIndexMax == 0) {
            // the path is completely within [-180, 180] longitude
            pathList.add(path);
            return pathList;
        }

        final Area pathArea = new Area(path);
        final GeneralPath pixelPath = new GeneralPath(GeneralPath.WIND_NON_ZERO);
        for (int k = runIndexMin; k <= runIndexMax; k++) {
            final Area currentArea = new Area(
                    new Rectangle2D.Float(k * 360.0f - 180.0f, -90.0f, 360.0f, 180.0f));
            currentArea.intersect(pathArea);
            if (!currentArea.isEmpty()) {
                pathList.add(areaToPath(currentArea, -k * 360.0, pixelPath));
            }
        }
    }
    return pathList;
}

From source file:org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PdfGraphics2D.java

/**
 * @see Graphics2D#hit(Rectangle, Shape, boolean)
 *///from   www.ja  va 2 s.co m
@Override
public boolean hit(final Rectangle rect, Shape s, final boolean onStroke) {
    if (onStroke) {
        s = stroke.createStrokedShape(s);
    }
    s = transform.createTransformedShape(s);
    final Area area = new Area(s);
    if (clip != null) {
        area.intersect(clip);
    }
    return area.intersects(rect.x, rect.y, rect.width, rect.height);
}