Examples with Point2D java.awt.geom.Point2D used on opensource projects

Example 71 with Point2D

use of java.awt.geom.Point2D in project JMRI by JMRI.

the class LevelXing method drawEditControls.

public void drawEditControls(Graphics2D g2) {
    Point2D pt = getCoordsCenter();
    g2.setColor(defaultTrackColor);
    g2.draw(layoutEditor.trackControlPointRectAt(pt));
    pt = getCoordsA();
    if (getConnectA() == null) {
        g2.setColor(Color.magenta);
    } else {
        g2.setColor(Color.blue);
    }
    g2.draw(layoutEditor.trackControlPointRectAt(pt));
    pt = getCoordsB();
    if (getConnectB() == null) {
        g2.setColor(Color.red);
    } else {
        g2.setColor(Color.green);
    }
    g2.draw(layoutEditor.trackControlPointRectAt(pt));
    pt = getCoordsC();
    if (getConnectC() == null) {
        g2.setColor(Color.magenta);
    } else {
        g2.setColor(Color.blue);
    }
    g2.draw(layoutEditor.trackControlPointRectAt(pt));
    pt = getCoordsD();
    if (getConnectD() == null) {
        g2.setColor(Color.red);
    } else {
        g2.setColor(Color.green);
    }
    g2.draw(layoutEditor.trackControlPointRectAt(pt));
}

Example 72 with Point2D

use of java.awt.geom.Point2D in project JMRI by JMRI.

the class TrackSegment method getBounds.

/**
     * @return the bounds of this track segment
     */
public Rectangle2D getBounds() {
    Rectangle2D result;
    Point2D ep1 = layoutEditor.getCoords(getConnect1(), getType1());
    result = new Rectangle2D.Double(ep1.getX(), ep1.getY(), 0, 0);
    Point2D ep2 = layoutEditor.getCoords(getConnect2(), getType2());
    result.add(ep2);
    return result;
}

Example 73 with Point2D

use of java.awt.geom.Point2D in project JMRI by JMRI.

the class TrackSegment method drawDashed.

// drawHidden(Graphics2D g2)
public void drawDashed(Graphics2D g2, boolean mainline) {
    if ((!isHidden()) && getDashed() && (mainline == getMainline())) {
        setColorForTrackBlock(g2, getLayoutBlock());
        float trackWidth = layoutEditor.setTrackStrokeWidth(g2, mainline);
        if (getArc()) {
            calculateTrackSegmentAngle();
            Stroke originalStroke = g2.getStroke();
            Stroke drawingStroke = new BasicStroke(trackWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] { 9 }, 0);
            g2.setStroke(drawingStroke);
            g2.draw(new Arc2D.Double(getCX(), getCY(), getCW(), getCH(), getStartadj(), getTmpAngle(), Arc2D.OPEN));
            g2.setStroke(originalStroke);
        } else if (getBezier()) {
            Stroke originalStroke = g2.getStroke();
            Stroke drawingStroke = new BasicStroke(trackWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] { 9 }, 0);
            g2.setStroke(drawingStroke);
            Point2D pt1 = layoutEditor.getCoords(getConnect1(), getType1());
            Point2D pt2 = layoutEditor.getCoords(getConnect2(), getType2());
            int cnt = bezierControlPoints.size();
            Point2D[] points = new Point2D[cnt + 2];
            points[0] = pt1;
            for (int idx = 0; idx < cnt; idx++) {
                points[idx + 1] = bezierControlPoints.get(idx);
            }
            points[cnt + 1] = pt2;
            MathUtil.drawBezier(g2, points);
            g2.setStroke(originalStroke);
        } else {
            Point2D end1 = layoutEditor.getCoords(getConnect1(), getType1());
            Point2D end2 = layoutEditor.getCoords(getConnect2(), getType2());
            double delX = end1.getX() - end2.getX();
            double delY = end1.getY() - end2.getY();
            double cLength = Math.hypot(delX, delY);
            // note: The preferred dimension of a dash (solid + blank space) is
            //         5 * the track width - about 60% solid and 40% blank.
            int nDashes = (int) (cLength / ((trackWidth) * 5.0));
            if (nDashes < 3) {
                nDashes = 3;
            }
            double delXDash = -delX / ((nDashes) - 0.5);
            double delYDash = -delY / ((nDashes) - 0.5);
            double begX = end1.getX();
            double begY = end1.getY();
            for (int k = 0; k < nDashes; k++) {
                g2.draw(new Line2D.Double(new Point2D.Double(begX, begY), new Point2D.Double(begX + (delXDash * 0.5), begY + (delYDash * 0.5))));
                begX += delXDash;
                begY += delYDash;
            }
        }
    }
}

Example 74 with Point2D

use of java.awt.geom.Point2D in project JMRI by JMRI.

the class TrackSegment method getCentreSeg.

public Point2D getCentreSeg() {
    Point2D result = MathUtil.zeroPoint2D();
    if ((null != connect1) && (null != connect2)) {
        // get the end points
        Point2D ep1 = layoutEditor.getCoords(getConnect1(), getType1());
        Point2D ep2 = layoutEditor.getCoords(getConnect2(), getType2());
        if (getCircle()) {
            //TODO: do something here?
            //} else if (getArc()) {
            //TODO: do something here?
            result = center;
        } else if (getBezier()) {
            //compute result Bezier point for (t == 0.5);
            // copy all the control points (including end points) into an array
            int len = bezierControlPoints.size() + 2;
            Point2D[] points = new Point2D[len];
            points[0] = ep1;
            for (int idx = 1; idx < len - 1; idx++) {
                points[idx] = getBezierControlPoint(idx - 1);
            }
            points[len - 1] = ep2;
            // calculate midpoints of all points (len - 1 order times)
            for (int idx = len - 1; idx > 0; idx--) {
                for (int jdx = 0; jdx < idx; jdx++) {
                    points[jdx] = MathUtil.midPoint(points[jdx], points[jdx + 1]);
                }
            }
            result = points[0];
        } else {
            result = MathUtil.midPoint(ep1, ep2);
        }
        center = result;
    }
    return result;
}

Example 75 with Point2D

use of java.awt.geom.Point2D in project JMRI by JMRI.

the class TrackSegment method addBezierControlPointBefore.

private void addBezierControlPointBefore(int index) {
    Point2D addPoint = getBezierControlPoint(index);
    if (index > 0) {
        addPoint = MathUtil.midPoint(getBezierControlPoint(index - 1), addPoint);
    } else {
        Point2D ep1 = layoutEditor.getCoords(getConnect1(), getType1());
        addPoint = MathUtil.midPoint(ep1, addPoint);
    }
    bezierControlPoints.add(index, addPoint);
    layoutEditor.redrawPanel();
    layoutEditor.setDirty();
}