Example usage for java.awt.geom Arc2D getAngleExtent

Introduction

In this page you can find the example usage for java.awt.geom Arc2D getAngleExtent.

Prototype

public abstract double getAngleExtent();

Source Link

Document

Returns the angular extent of the arc.

Usage

From source file:Main.java

/**
 * Compares two arcs and returns <code>true</code> if they are equal or
 * both <code>null</code>.//from w ww. ja v  a 2 s  .  co m
 *
 * @param a1  the first arc (<code>null</code> permitted).
 * @param a2  the second arc (<code>null</code> permitted).
 *
 * @return A boolean.
 */
public static boolean equal(final Arc2D a1, final Arc2D a2) {
    if (a1 == null) {
        return (a2 == null);
    }
    if (a2 == null) {
        return false;
    }
    if (!a1.getFrame().equals(a2.getFrame())) {
        return false;
    }
    if (a1.getAngleStart() != a2.getAngleStart()) {
        return false;
    }
    if (a1.getAngleExtent() != a2.getAngleExtent()) {
        return false;
    }
    if (a1.getArcType() != a2.getArcType()) {
        return false;
    }
    return true;
}

---

From source file:Main.java

/**
 * Serialises a <code>Shape</code> object.
 *
 * @param shape  the shape object (<code>null</code> permitted).
 * @param stream  the output stream (<code>null</code> not permitted).
 *
 * @throws IOException if there is an I/O error.
 *///from  w  ww.  j  a v  a 2  s.  c o  m
public static void writeShape(final Shape shape, final ObjectOutputStream stream) throws IOException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    if (shape != null) {
        stream.writeBoolean(false);
        if (shape instanceof Line2D) {
            final Line2D line = (Line2D) shape;
            stream.writeObject(Line2D.class);
            stream.writeDouble(line.getX1());
            stream.writeDouble(line.getY1());
            stream.writeDouble(line.getX2());
            stream.writeDouble(line.getY2());
        } else if (shape instanceof Rectangle2D) {
            final Rectangle2D rectangle = (Rectangle2D) shape;
            stream.writeObject(Rectangle2D.class);
            stream.writeDouble(rectangle.getX());
            stream.writeDouble(rectangle.getY());
            stream.writeDouble(rectangle.getWidth());
            stream.writeDouble(rectangle.getHeight());
        } else if (shape instanceof Ellipse2D) {
            final Ellipse2D ellipse = (Ellipse2D) shape;
            stream.writeObject(Ellipse2D.class);
            stream.writeDouble(ellipse.getX());
            stream.writeDouble(ellipse.getY());
            stream.writeDouble(ellipse.getWidth());
            stream.writeDouble(ellipse.getHeight());
        } else if (shape instanceof Arc2D) {
            final Arc2D arc = (Arc2D) shape;
            stream.writeObject(Arc2D.class);
            stream.writeDouble(arc.getX());
            stream.writeDouble(arc.getY());
            stream.writeDouble(arc.getWidth());
            stream.writeDouble(arc.getHeight());
            stream.writeDouble(arc.getAngleStart());
            stream.writeDouble(arc.getAngleExtent());
            stream.writeInt(arc.getArcType());
        } else if (shape instanceof GeneralPath) {
            stream.writeObject(GeneralPath.class);
            final PathIterator pi = shape.getPathIterator(null);
            final float[] args = new float[6];
            stream.writeBoolean(pi.isDone());
            while (!pi.isDone()) {
                final int type = pi.currentSegment(args);
                stream.writeInt(type);
                // TODO: could write this to only stream the values
                // required for the segment type
                for (int i = 0; i < 6; i++) {
                    stream.writeFloat(args[i]);
                }
                stream.writeInt(pi.getWindingRule());
                pi.next();
                stream.writeBoolean(pi.isDone());
            }
        } else {
            stream.writeObject(shape.getClass());
            stream.writeObject(shape);
        }
    } else {
        stream.writeBoolean(true);
    }
}

---

From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    int w = getSize().width;
    int h = getSize().height;

    Arc2D arc = new Arc2D.Double(0.0, 0.0, w, h, 0.0, 60.0, Arc2D.CHORD);
    System.out.println(arc.getAngleExtent());
    g2.draw(arc);/*from   w w  w.  j a  v a  2 s .c om*/

    arc = new Arc2D.Float(0.0f, 0.0f, w, h, 80.0f, 110.0f, Arc2D.PIE);

    g2.fill(arc);

    arc = new Arc2D.Float(0.0f, 0.0f, w, h, 210.0f, 130.0f, Arc2D.OPEN);

    g2.draw(arc);
}

---