Example usage for java.awt.geom Point2D getX

Introduction

In this page you can find the example usage for java.awt.geom Point2D getX.

Prototype

public abstract double getX();

Source Link

Document

Returns the X coordinate of this Point2D in double precision.

Usage

From source file:at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.LineTo.java

@Override
public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
    try {//from  w w w.  j  a v  a 2s  .c om
        PDFPage pdfPage = (PDFPage) context;

        COSNumber x = (COSNumber) operands.get(0);
        COSNumber y = (COSNumber) operands.get(1);
        Point2D p = transform(x.doubleValue(), y.doubleValue());

        pdfPage.getCurrentPath().lineTo((float) p.getX(), (float) p.getY());

        if (log.isTraceEnabled()) {
            log.trace("Adding line to x:" + p.getX() + ",y:" + p.getY());
        }
    } catch (Exception e) {
        log.warn("Error processing operator 'l'.", e);
    }
}

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From source file:at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.MoveTo.java

@Override
public void process(PDFOperator operator, List<COSBase> operands) throws IOException {
    try {/*w  w  w .  j  av a  2s.c om*/
        PDFPage pdfPage = (PDFPage) context;

        COSNumber x = (COSNumber) operands.get(0);
        COSNumber y = (COSNumber) operands.get(1);
        Point2D p = transform(x.doubleValue(), y.doubleValue());

        pdfPage.getCurrentPath().moveTo((float) p.getX(), (float) p.getY());

        if (log.isTraceEnabled()) {
            log.trace("Moving current path to x:" + p.getX() + ",y:" + p.getY());
        }
    } catch (Exception e) {
        log.warn("Error processing operator 'm'.", e);
    }
}

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From source file:org.opennms.features.vaadin.topology.jung.BalloonLayoutAlgorithm.java

public void updateLayout(GraphContainer graph) {

    Graph g = new Graph(graph);

    int szl = g.getSemanticZoomLevel();

    Vertex rootItem = g.getDisplayVertex(g.getVertexByItemId(m_rootItemId), szl);

    Tree<Vertex, Edge> tree = new OrderedKAryTree<Vertex, Edge>(50);

    Queue<Vertex> q = new LinkedList<Vertex>();
    Set<Vertex> found = new HashSet<Vertex>();

    q.add(rootItem);//from  ww  w .  j  av  a 2 s . c o  m

    tree.addVertex(rootItem);

    Vertex v;
    while ((v = q.poll()) != null) {
        List<Edge> edges = g.getEdgesForVertex(v, szl);
        for (Edge e : edges) {
            Vertex neighbor = e.getSource() != v ? e.getSource() : e.getTarget();
            tree.addEdge(e, v, neighbor);
            if (!found.contains(neighbor)) {
                q.add(neighbor);
            }
        }
    }

    BalloonLayout<Vertex, Edge> layout = new BalloonLayout<Vertex, Edge>(tree);
    layout.setInitializer(new Transformer<Vertex, Point2D>() {
        public Point2D transform(Vertex v) {
            return new Point(v.getX(), v.getY());
        }
    });

    for (Vertex vertex : g.getVertices(szl)) {
        layout.lock(vertex, vertex.isLocked());
    }

    layout.setSize(new Dimension(750, 750));

    List<Vertex> vertices = g.getVertices(szl);
    for (Vertex vertex : vertices) {
        Point2D point = layout.transform(v);
        vertex.setX((int) point.getX());
        vertex.setY((int) point.getY());
    }

}

---

From source file:at.knowcenter.wag.egov.egiz.pdfbox2.pdf.operator.path.construction.LineTo.java

@Override
public void process(Operator operator, List<COSBase> operands) throws IOException {
    try {//from   ww w . jav a  2s .c  o m
        PDFPage pdfPage = (PDFPage) context;

        COSNumber x = (COSNumber) operands.get(0);
        COSNumber y = (COSNumber) operands.get(1);
        Point2D p = transform(x.doubleValue(), y.doubleValue());

        pdfPage.getCurrentPath().lineTo((float) p.getX(), (float) p.getY());

        if (log.isTraceEnabled()) {
            log.trace("Adding line to x:" + p.getX() + ",y:" + p.getY());
        }
    } catch (Exception e) {
        log.warn("Error processing operator 'l'.", e);
    }
}

---

From source file:at.knowcenter.wag.egov.egiz.pdfbox2.pdf.operator.path.construction.MoveTo.java

public void process(Operator operator, List<COSBase> operands) throws IOException {
    try {/*from   www. ja  v  a2s.  co m*/
        PDFPage pdfPage = (PDFPage) context;

        COSNumber x = (COSNumber) operands.get(0);
        COSNumber y = (COSNumber) operands.get(1);
        Point2D p = transform(x.doubleValue(), y.doubleValue());

        pdfPage.getCurrentPath().moveTo((float) p.getX(), (float) p.getY());

        if (log.isTraceEnabled()) {
            log.trace("Moving current path to x:" + p.getX() + ",y:" + p.getY());
        }
    } catch (Exception e) {
        log.warn("Error processing operator 'm'.", e);
    }
}

---

From source file:lu.lippmann.cdb.graph.GraphUtil.java

/**
 * /*  w  w w.  ja  v  a 2 s .  c  o  m*/
 * @param layout
 * @param picked
 */
public static Layout<CNode, CEdge> reorganize(Layout<CNode, CEdge> layout, Set<CNode> picked) {

    Layout<CNode, CEdge> subLayout = null;

    //create map that copy the transformer of existing layout
    final HashMap<CNode, CPoint> mapTransform1 = new LinkedHashMap<CNode, CPoint>();
    for (CNode v : layout.getGraph().getVertices()) {
        final Point2D tmp = layout.transform(v);
        mapTransform1.put(v, new CPoint(tmp.getX(), tmp.getY()));
    }
    //

    final Graph<CNode, CEdge> graph = layout.getGraph();

    final AggregateLayout<CNode, CEdge> clusteringLayout = new AggregateLayout<CNode, CEdge>(layout);

    // put the picked vertices into a new sublayout

    //final Set<CNode> picked = vv.getPickedVertexState().getPicked();
    if (picked != null && picked.size() >= 1) {

        final Point2D initCenter = GraphUtil.getCenter(picked, layout);

        final Graph<CNode, CEdge> subGraph = new DirectedSparseGraph<CNode, CEdge>();
        try {
            for (CNode vertex : picked) {
                subGraph.addVertex(vertex);
                final Collection<CEdge> incidentEdges = graph.getIncidentEdges(vertex);
                if (incidentEdges != null) {
                    for (final CEdge edge : incidentEdges) {
                        final Pair<CNode> endpoints = graph.getEndpoints(edge);
                        if (picked.containsAll(endpoints)) {
                            subGraph.addEdge(edge, endpoints.getFirst(), endpoints.getSecond());
                        }
                    }
                }
            }

            subLayout = buildMinimumSpanningForestLayout(subGraph);

            subLayout.setInitializer(layout);

            if (!(subLayout instanceof TreeLayout)) {
                subLayout.setSize(clusteringLayout.getSize());
            }

            final Point2D subGraphCenter = GraphUtil.getCenter(picked, subLayout);
            final Point2D subLayoutCenter = new Point2D.Double(subLayout.getSize().getWidth() / 2,
                    subLayout.getSize().getHeight() / 2);
            //System.out.println("Initial init center : " + initCenter);
            initCenter.setLocation(initCenter.getX() + (subLayoutCenter.getX() - subGraphCenter.getX()),
                    initCenter.getY() + (subLayoutCenter.getY() - subGraphCenter.getY()));
            //System.out.println("Corrected init center : " + initCenter);

            clusteringLayout.put(subLayout, initCenter);

            //create map that copy the transformer of new layout
            final HashMap<CNode, CPoint> mapTransform2 = new LinkedHashMap<CNode, CPoint>();
            for (CNode v : layout.getGraph().getVertices()) {
                final Point2D tmp = clusteringLayout.transform(v);
                mapTransform2.put(v, new CPoint(tmp.getX(), tmp.getY()));
            }
            //
            /** save the new layout and historize it !! */
            ((GraphWithOperations) layout.getGraph()).changeLayout(mapTransform1, mapTransform2);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return subLayout;
}

---

From source file:edu.uci.ics.jung.algorithms.layout.BalloonLayout.java

protected void setPolars(List<V> kids, Point2D parentLocation, double parentRadius) {

    int childCount = kids.size();
    if (childCount == 0)
        return;//from  w ww  .  ja va2s .  co m
    // handle the 1-child case with 0 limit on angle.
    double angle = Math.max(0, Math.PI / 2 * (1 - 2.0 / childCount));
    double childRadius = parentRadius * Math.cos(angle) / (1 + Math.cos(angle));
    double radius = parentRadius - childRadius;

    double rand = Math.random();

    for (int i = 0; i < childCount; i++) {
        V child = kids.get(i);
        double theta = i * 2 * Math.PI / childCount + rand;
        radii.put(child, childRadius);

        PolarPoint pp = new PolarPoint(theta, radius);
        polarLocations.put(child, pp);

        Point2D p = PolarPoint.polarToCartesian(pp);
        p.setLocation(p.getX() + parentLocation.getX(), p.getY() + parentLocation.getY());
        locations.put(child, p);
        setPolars(new ArrayList<V>(graph.getChildren(child)), p, childRadius);
    }
}

---

From source file:edu.uci.ics.jung.algorithms.layout.BalloonLayout.java

@Override
public void setLocation(V v, Point2D location) {
    Point2D c = getCenter(v);//from w ww.  j ava 2s  . com
    Point2D pv = new Point2D.Double(location.getX() - c.getX(), location.getY() - c.getY());
    PolarPoint newLocation = PolarPoint.cartesianToPolar(pv);
    polarLocations.get(v).setLocation(newLocation);

    Point2D center = getCenter(v);
    pv.setLocation(pv.getX() + center.getX(), pv.getY() + center.getY());
    locations.put(v, pv);
}

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From source file:org.bigwiv.blastgraph.gui.graphvisualization.EdgePainter.java

@Override
public Paint transform(ValueEdge ve) {
    Layout<HitVertex, ValueEdge> layout = vv.getGraphLayout();
    BlastGraph<HitVertex, ValueEdge> graph = (BlastGraph<HitVertex, ValueEdge>) layout.getGraph();
    Pair<HitVertex> p = graph.getEndpoints(ve);
    HitVertex b = p.getFirst();/*  ww w.j  a va2 s .  c  o m*/
    HitVertex f = p.getSecond();

    BasicStroke stroke = (BasicStroke) strokeTransformer.transform(ve);
    float lineWith = stroke.getLineWidth();

    Point2D pb = transformer.transform(layout.transform(b));
    Point2D pf = transformer.transform(layout.transform(f));

    float xB = (float) pb.getX();
    float yB = (float) pb.getY();
    float xF = (float) pf.getX();
    float yF = (float) pf.getY();

    return null;
}

---

From source file:joshua.ui.tree_visualizer.DerivationTreeTransformer.java

public Point2D transform(Node n) {
    double x, y;//from ww w  .  jav a2s  .c  om
    Point2D t = treeLayout.transform(n);
    if (n.isSource()) {
        x = /*treeLayout.transform(root).getX() +*/ (t.getX() - treeLayout.transform(sourceRoot).getX()
                + treeLayout.transform(root).getX());
        y = Y_DIST * (distanceToLeaf(n) + 1);
    } else {
        x = t.getX();
        y = Y_DIST * (-1) * distanceToLeaf(n);
    }
    if (isAnchored) {
        x += anchorPoint.getX();
        y += anchorPoint.getY();
    }
    return new Point2D.Double(x, y + Y_DIST * (1 + distanceToLeaf(root)));
}

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