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

Example 41 with GeneralPath

use of java.awt.geom.GeneralPath in project vcell by virtualcell.

the class RuleParticipantEdgeDiagramShape method paintSelf.

@Override
public void paintSelf(Graphics2D g2D, int parentOffsetX, int parentOffsetY) {
    // draw cubic spline with horizontal reactant-end (p' = 0) at reaction
    g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    CubicCurve2D.Double cubicCurve = getCurve();
    // render curve (make CatalystShapes draw with a dashed line)
    g2D.setColor(forgroundColor);
    if (getLineStyle() == LINE_STYLE_DASHED) {
        Stroke oldStroke = g2D.getStroke();
        g2D.setStroke(DASHED_STROKE);
        g2D.draw(cubicCurve);
        g2D.setStroke(oldStroke);
    } else {
        g2D.draw(cubicCurve);
    }
    int arrowDirection = 0;
    if (this instanceof ProductPatternEdgeDiagramShape) {
        arrowDirection = 1;
    }
    if (this instanceof ReactantPatternEdgeDiagramShape) {
        arrowDirection = -1;
    }
    if (arrowDirection == 1) {
        double arcLength = integrateArcLength(cubicCurve, 0.0, 1.0, 10);
        double centerT = getParameterAtArcLength(cubicCurve, 0.0, 1.0, arcLength / 2, 20);
        Point2D center = evaluate(cubicCurve, centerT);
        double backT = intersectWithCircle(cubicCurve, centerT, 1.0, center.getX(), center.getY(), 4);
        Point2D back = evaluate(cubicCurve, backT);
        double frontT = intersectWithCircle(cubicCurve, centerT, 0.0, center.getX(), center.getY(), 4);
        Point2D front = evaluate(cubicCurve, frontT);
        GeneralPath arrow = getArrow(front, back, 7);
        g2D.fill(arrow);
    }
    if (arrowDirection == -1) {
        double arcLength = integrateArcLength(cubicCurve, 0.0, 1.0, 10);
        double centerT = getParameterAtArcLength(cubicCurve, 0.0, 1.0, arcLength / 2 + 2, 20);
        Point2D center = evaluate(cubicCurve, centerT);
        double backT = intersectWithCircle(cubicCurve, centerT, 0.0, center.getX(), center.getY(), 4);
        Point2D back = evaluate(cubicCurve, backT);
        double frontT = intersectWithCircle(cubicCurve, centerT, 1.0, center.getX(), center.getY(), 4);
        Point2D front = evaluate(cubicCurve, frontT);
        GeneralPath arrow = getArrow(front, back, 7);
        g2D.fill(arrow);
    }
    // draw label
    if (getLabel() != null && getLabel().length() > 0) {
        g2D.drawString(getLabel(), (start.x + end.x) / 2, (start.y + end.y) / 2);
    }
    return;
}

Example 42 with GeneralPath

use of java.awt.geom.GeneralPath in project vcell by virtualcell.

the class EdgeShape method getArrow.

protected static GeneralPath getArrow(Point2D front, Point2D back, double width) {
    double deltaX = back.getX() - front.getX();
    double deltaY = back.getY() - front.getY();
    double distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
    // take straight-line approximation for direction (given right.p1 and
    // right.p2 as end points)
    // use 10 and 30 "pixels" away for the arrowhead.
    double X1 = front.getX();
    double Y1 = front.getY();
    double X2 = front.getX() + 1.0 * deltaX;
    double Y2 = front.getY() + 1.0 * deltaY;
    double X3 = X2 + 0.5 * width * deltaY / distance;
    double Y3 = Y2 - 0.5 * width * deltaX / distance;
    double X4 = X2 - 0.5 * width * deltaY / distance;
    double Y4 = Y2 + 0.5 * width * deltaX / distance;
    GeneralPath arrow = new GeneralPath();
    arrow.moveTo((float) X1, (float) Y1);
    arrow.lineTo((float) X3, (float) Y3);
    arrow.lineTo((float) X4, (float) Y4);
    arrow.lineTo((float) X1, (float) Y1);
    arrow.setWindingRule(GeneralPath.WIND_NON_ZERO);
    return arrow;
}

Example 43 with GeneralPath

use of java.awt.geom.GeneralPath in project vcell by virtualcell.

the class ArrowPainter method getArrow.

public static GeneralPath getArrow(Point2D front, Point2D back, double width) {
    double deltaX = back.getX() - front.getX();
    double deltaY = back.getY() - front.getY();
    double distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
    double X1 = front.getX();
    double Y1 = front.getY();
    double X2 = front.getX() + 1.5 * deltaX;
    double Y2 = front.getY() + 1.5 * deltaY;
    double X3 = X2 + 0.5 * width * deltaY / distance;
    double Y3 = Y2 - 0.5 * width * deltaX / distance;
    double X4 = X2 - 0.5 * width * deltaY / distance;
    double Y4 = Y2 + 0.5 * width * deltaX / distance;
    GeneralPath arrow = new GeneralPath();
    arrow.moveTo((float) X1, (float) Y1);
    arrow.lineTo((float) X3, (float) Y3);
    arrow.lineTo((float) X4, (float) Y4);
    arrow.lineTo((float) X1, (float) Y1);
    arrow.setWindingRule(GeneralPath.WIND_NON_ZERO);
    return arrow;
}

Example 44 with GeneralPath

use of java.awt.geom.GeneralPath in project vcell by virtualcell.

the class OverlayEditorPanelJAI method placeMarkerOverResolved.

public void placeMarkerOverResolved(CoordinateIndex ci, int starSize) {
    if (ci == null) {
        imagePane.drawStar(null);
        return;
    }
    zSlider.setValue(ci.z);
    GeneralPath generalPath = new GeneralPath();
    generalPath.moveTo((float) (ci.x - starSize), (float) ci.y);
    generalPath.lineTo((float) (ci.x + starSize), (float) ci.y);
    generalPath.moveTo((float) (ci.x), (float) (ci.y - starSize));
    generalPath.lineTo((float) (ci.x), (float) (ci.y + starSize));
    generalPath.moveTo((float) (ci.x - starSize), (float) (ci.y - starSize));
    generalPath.lineTo((float) (ci.x + starSize), (float) (ci.y + starSize));
    generalPath.moveTo((float) (ci.x - starSize), (float) (ci.y + starSize));
    generalPath.lineTo((float) (ci.x + starSize), (float) (ci.y - starSize));
    imagePane.drawStar(generalPath);
}

Example 45 with GeneralPath

use of java.awt.geom.GeneralPath in project vcell by virtualcell.

the class WorkflowEdgeShape method paintSelf.

@Override
public void paintSelf(Graphics2D g2D, int absPosX, int absPosY) {
    super.paintSelf(g2D, absPosX, absPosY);
    // 
    if (bArrow) {
        Point startLocation = getNode1Shape().getAttachmentLocation(Shape.ATTACH_CENTER);
        startLocation.translate(getNode1Shape().getRelX(), getNode1Shape().getRelY());
        Point endLocation = getNode2Shape().getAttachmentLocation(Shape.ATTACH_CENTER);
        endLocation.translate(getNode2Shape().getRelX(), getNode2Shape().getRelY());
        double diffX = endLocation.x - startLocation.x;
        double diffY = endLocation.y - startLocation.y;
        double length = Math.sqrt(diffX * diffX + diffY * diffY);
        if (length == 0) {
            length = 1;
        }
        double arrowScale = 10 / length;
        Point front = new Point((int) (startLocation.x + diffX / 2 + diffX * arrowScale / 2), (int) (startLocation.y + diffY / 2 + diffY * arrowScale / 2));
        Point back = new Point((int) (startLocation.x + diffX / 2 - diffX * arrowScale / 2), (int) (startLocation.y + diffY / 2 - diffY * arrowScale / 2));
        GeneralPath path = getArrow(front, back, 10);
        g2D.fill(path);
    }
}