Examples with GraphicEdge org.graphstream.ui.graphicGraph.GraphicEdge used on opensource projects

Example 1 with GraphicEdge

use of org.graphstream.ui.graphicGraph.GraphicEdge in project gs-ui-javafx by graphstream.

the class HasSkel method positionMultiEdge.

private void positionMultiEdge(ConnectorSkeleton skel, double x1, double y1, double x2, double y2, int multi, EdgeGroup group) {
    double vx = (x2 - x1);
    double vy = (y2 - y1);
    double vx2 = (vy) * 0.6;
    double vy2 = (-vx) * 0.6;
    double gap = 0.2;
    double ox = 0.0;
    double oy = 0.0;
    // (1+multi)/2 must be done on integers.
    double f = ((1 + multi) / 2) * gap;
    vx *= 0.2;
    vy *= 0.2;
    GraphicEdge main = group.getEdge(0);
    GraphicEdge edge = group.getEdge(multi);
    if (group.getCount() % 2 == 0) {
        ox = vx2 * (gap / 2);
        oy = vy2 * (gap / 2);
        if (!edge.from.equals(main.from)) {
            // Edges are in the same direction.
            ox = -ox;
            oy = -oy;
        }
    }
    vx2 *= f;
    vy2 *= f;
    double xx1 = x1 + vx;
    double yy1 = y1 + vy;
    double xx2 = x2 - vx;
    double yy2 = y2 - vy;
    double m = multi;
    if (edge.from.equals(main.from))
        m += 0;
    else
        m += 1;
    if (m % 2 == 0) {
        xx1 += (vx2 + ox);
        yy1 += (vy2 + oy);
        xx2 += (vx2 + ox);
        yy2 += (vy2 + oy);
    } else {
        xx1 -= (vx2 - ox);
        yy1 -= (vy2 - oy);
        xx2 -= (vx2 - ox);
        yy2 -= (vy2 - oy);
    }
    skel.setCurve(x1, y1, 0, xx1, yy1, 0, xx2, yy2, 0, x2, y2, 0);
}

Example 2 with GraphicEdge

use of org.graphstream.ui.graphicGraph.GraphicEdge in project gs-ui-javafx by graphstream.

the class SpriteFlowShape method configureForElement.

@Override
public void configureForElement(Backend bck, GraphicElement element, Skeleton skel, DefaultCamera2D camera) {
    GraphicSprite sprite = (GraphicSprite) element;
    if (sprite.isAttachedToEdge()) {
        GraphicEdge edge = sprite.getEdgeAttachment();
        fillableLine.configureFillableLineForElement(element.getStyle(), camera, element);
        decorable.configureDecorableForElement(bck, camera, element, skel);
        if (element.hasAttribute("ui.size"))
            theSize = camera.getMetrics().lengthToGu(StyleConstants.convertValue(element.getAttribute("ui.size")));
        along = element.getX();
        offset = camera.getMetrics().lengthToGu(element.getY(), sprite.getUnits());
        connectorSkel = (ConnectorSkeleton) edge.getAttribute(Skeleton.attributeName);
    } else {
        connectorSkel = null;
    }
}

Example 3 with GraphicEdge

use of org.graphstream.ui.graphicGraph.GraphicEdge in project gs-ui-javafx by graphstream.

the class DefaultCamera method allGraphicElementsIn.

@Override
public Collection<GraphicElement> allGraphicElementsIn(GraphicGraph graph, EnumSet<InteractiveElement> types, double x1, double y1, double x2, double y2) {
    List<GraphicElement> elts = new ArrayList<GraphicElement>();
    Stream nodeStream = null;
    Stream edgeStream = null;
    Stream spriteStream = null;
    if (types.contains(InteractiveElement.NODE)) {
        nodeStream = graph.nodes().filter(n -> isNodeIn((GraphicNode) n, x1, y1, x2, y2));
    } else {
        nodeStream = Stream.empty();
    }
    if (types.contains(InteractiveElement.EDGE)) {
        edgeStream = graph.edges().filter(e -> isEdgeIn((GraphicEdge) e, x1, y1, x2, y2));
    } else {
        edgeStream = Stream.empty();
    }
    if (types.contains(InteractiveElement.SPRITE)) {
        spriteStream = graph.sprites().filter(e -> isSpriteIn((GraphicSprite) e, x1, y1, x2, y2));
    } else {
        spriteStream = Stream.empty();
    }
    Stream<GraphicElement> s = Stream.concat(nodeStream, Stream.concat(edgeStream, spriteStream));
    return s.collect(Collectors.toList());
}

Example 4 with GraphicEdge

use of org.graphstream.ui.graphicGraph.GraphicEdge in project gs-ui-javafx by graphstream.

the class DefaultCamera method getSpritePositionEdge.

/**
 * Compute the position of a sprite if attached to an edge.
 *
 * @param sprite
 *            The sprite.
 * @param pos
 *            Where to stored the computed position, if null, the position
 *            is created.
 * @param units
 *            The units the computed position must be given into.
 * @return The same instance as pos, or a new one if pos was null.
 */
protected Point2D getSpritePositionEdge(GraphicSprite sprite, Point2D pos, Units units) {
    GraphicEdge edge = sprite.getEdgeAttachment();
    if (edge.isCurve()) {
        double[] ctrl = edge.getControlPoints();
        Point2 p0 = new Point2(edge.from.getX(), edge.from.getY());
        Point2 p1 = new Point2(ctrl[0], ctrl[1]);
        Point2 p2 = new Point2(ctrl[1], ctrl[2]);
        Point2 p3 = new Point2(edge.to.getX(), edge.to.getY());
        Vector2 perp = CubicCurve.perpendicular(p0, p1, p2, p3, sprite.getX());
        double y = metrics.lengthToGu(sprite.getY(), sprite.getUnits());
        perp.normalize();
        perp.scalarMult(y);
        double X = CubicCurve.eval(p0.x, p1.x, p2.x, p3.x, sprite.getX()) - perp.data[0];
        double Y = CubicCurve.eval(p0.y, p1.y, p2.y, p3.y, sprite.getX()) - perp.data[1];
        pos = new Point2D(X, Y);
    } else {
        double x = ((GraphicNode) edge.getSourceNode()).x;
        double y = ((GraphicNode) edge.getSourceNode()).y;
        double dx = ((GraphicNode) edge.getTargetNode()).x - x;
        double dy = ((GraphicNode) edge.getTargetNode()).y - y;
        // Percent on the edge.
        double d = sprite.getX();
        double o = metrics.lengthToGu(sprite.getY(), sprite.getUnits());
        // Offset from the position given by percent, perpendicular to the
        // edge.
        d = d > 1 ? 1 : d;
        d = d < 0 ? 0 : d;
        x += dx * d;
        y += dy * d;
        d = (double) Math.sqrt(dx * dx + dy * dy);
        dx /= d;
        dy /= d;
        x += -dy * o;
        y += dx * o;
        pos = new Point2D(x, y);
        if (units == Units.PX) {
            pos = Tx.transform(pos.getX(), pos.getY());
        }
    }
    return pos;
}

Example 5 with GraphicEdge

use of org.graphstream.ui.graphicGraph.GraphicEdge in project gs-ui-javafx by graphstream.

the class Decorable method decorConnector.

public void decorConnector(Backend backend, DefaultCamera2D camera, IconAndText iconAndText, GraphicElement element, Form shape) {
    boolean visible = true;
    if (element != null)
        visible = camera.isTextVisible(element);
    if (theDecor != null && visible) {
        if (element instanceof GraphicEdge) {
            GraphicEdge edge = (GraphicEdge) element;
            if ((skel != null) && (skel.isCurve())) {
                theDecor.renderAlong(backend, camera, iconAndText, skel);
            } else {
                theDecor.renderAlong(backend, camera, iconAndText, edge.from.x, edge.from.y, edge.to.x, edge.to.y);
            }
        } else {
            Bounds bounds = shape.getBounds();
            theDecor.renderAlong(backend, camera, iconAndText, bounds.getMinX(), bounds.getMinY(), bounds.getMaxX(), bounds.getMaxY());
        }
    }
}