Examples with Path2D java.awt.geom.Path2D used on opensource projects

Example 36 with Path2D

use of java.awt.geom.Path2D in project triplea by triplea-game.

the class MapRouteDrawer method drawCurvedPath.

/**
 * Draws a smooth curve through the given array of points
 *
 * <p>
 * This algorithm is called Spline-Interpolation
 * because the Apache-commons-math library we are using here does not accept
 * values but {@code f(x)=y} with x having to increase all the time
 * the idea behind this is to use a parameter array - the so called index
 * as x array and splitting the points into a x and y coordinates array.
 * </p>
 *
 * <p>
 * Finally those 2 interpolated arrays get unified into a single {@linkplain Point2D} array and drawn to the Map
 * </p>
 *
 * @param graphics The {@linkplain Graphics2D} Object to be drawn on
 * @param points The Knot Points for the Spline-Interpolator aka the joints
 */
private void drawCurvedPath(final Graphics2D graphics, final Point2D[] points) {
    final double[] index = createParameterizedIndex(points);
    final PolynomialSplineFunction xcurve = splineInterpolator.interpolate(index, getValues(points, Point2D::getX));
    final double[] xcoords = getCoords(xcurve, index);
    final PolynomialSplineFunction ycurve = splineInterpolator.interpolate(index, getValues(points, Point2D::getY));
    final double[] ycoords = getCoords(ycurve, index);
    final List<Path2D> paths = routeCalculator.getAllNormalizedLines(xcoords, ycoords);
    for (final Path2D path : paths) {
        drawTransformedShape(graphics, path);
    }
    // draws the Line to the Cursor on every possible screen, so that the line ends at the cursor no matter what...
    final List<Point2D[]> finishingPoints = routeCalculator.getAllPoints(new Point2D.Double(xcoords[xcoords.length - 1], ycoords[ycoords.length - 1]), points[points.length - 1]);
    final boolean hasArrowEnoughSpace = points[points.length - 2].distance(points[points.length - 1]) > ARROW_LENGTH;
    for (final Point2D[] finishingPointArray : finishingPoints) {
        drawTransformedShape(graphics, new Line2D.Double(finishingPointArray[0], finishingPointArray[1]));
        if (hasArrowEnoughSpace) {
            drawArrow(graphics, finishingPointArray[0], finishingPointArray[1]);
        }
    }
}

Example 37 with Path2D

use of java.awt.geom.Path2D in project Digital by hneemann.

the class GraphicSwing method drawPolygon.

@Override
public void drawPolygon(Polygon p, Style style) {
    applyStyle(style);
    Path2D path = new GeneralPath();
    // CHECKSTYLE.OFF: ModifiedControlVariable
    for (int i = 0; i < p.size(); i++) {
        if (i == 0) {
            path.moveTo(p.get(i).getXFloat(), p.get(i).getYFloat());
        } else {
            if (p.isBezierStart(i)) {
                path.curveTo(p.get(i).getXFloat(), p.get(i).getYFloat(), p.get(i + 1).getXFloat(), p.get(i + 1).getYFloat(), p.get(i + 2).getXFloat(), p.get(i + 2).getYFloat());
                i += 2;
            } else
                path.lineTo(p.get(i).getXFloat(), p.get(i).getYFloat());
        }
    }
    if (p.isClosed())
        path.closePath();
    if (style.isFilled() && p.isClosed())
        gr.fill(path);
    if (style.getThickness() > 0)
        gr.draw(path);
}

Example 38 with Path2D

use of java.awt.geom.Path2D in project Activiti by Activiti.

the class DefaultProcessDiagramCanvas method drawTextAnnotation.

public void drawTextAnnotation(String id, String text, GraphicInfo graphicInfo) {
    int x = (int) graphicInfo.getX();
    int y = (int) graphicInfo.getY();
    int width = (int) graphicInfo.getWidth();
    int height = (int) graphicInfo.getHeight();
    Font originalFont = g.getFont();
    Stroke originalStroke = g.getStroke();
    g.setFont(ANNOTATION_FONT);
    Path2D path = new Path2D.Double();
    x += .5;
    int lineLength = 18;
    path.moveTo(x + lineLength, y);
    path.lineTo(x, y);
    path.lineTo(x, y + height);
    path.lineTo(x + lineLength, y + height);
    path.lineTo(x + lineLength, y + height - 1);
    path.lineTo(x + 1, y + height - 1);
    path.lineTo(x + 1, y + 1);
    path.lineTo(x + lineLength, y + 1);
    path.closePath();
    g.draw(path);
    int boxWidth = width - (2 * ANNOTATION_TEXT_PADDING);
    int boxHeight = height - (2 * ANNOTATION_TEXT_PADDING);
    int boxX = x + width / 2 - boxWidth / 2;
    int boxY = y + height / 2 - boxHeight / 2;
    if (text != null && !text.isEmpty()) {
        drawMultilineAnnotationText(text, boxX, boxY, boxWidth, boxHeight);
    }
    // restore originals
    g.setFont(originalFont);
    g.setStroke(originalStroke);
    // set element's id
    g.setCurrentGroupId(id);
}

Example 39 with Path2D

use of java.awt.geom.Path2D in project java-swing-tips by aterai.

the class ArrowToggleButtonBarCellIcon method makeShape.

protected Shape makeShape(Container parent, Component c, int x, int y) {
    int w = c.getWidth() - 1;
    int h = c.getHeight() - 1;
    double h2 = Math.round(h * .5);
    double w2 = TH;
    Path2D p = new Path2D.Double();
    p.moveTo(0d, 0d);
    p.lineTo(w - w2, 0d);
    p.lineTo(w, h2);
    p.lineTo(w - w2, h);
    p.lineTo(0d, h);
    if (!Objects.equals(c, parent.getComponent(0))) {
        p.lineTo(w2, h2);
    }
    p.closePath();
    return AffineTransform.getTranslateInstance(x, y).createTransformedShape(p);
}

Example 40 with Path2D

use of java.awt.geom.Path2D in project java-swing-tips by aterai.

the class Arrow method makeArrowHead.

protected Path2D makeArrowHead(Dimension size) {
    Path2D path = new Path2D.Double();
    double t = size.height;
    double w = size.width * .5;
    path.moveTo(0d, -w);
    path.lineTo(t, 0d);
    path.lineTo(0d, w);
    path.closePath();
    return path;
}