Example usage for java.awt.geom GeneralPath setWindingRule

Introduction

In this page you can find the example usage for java.awt.geom GeneralPath setWindingRule.

Prototype

public final void setWindingRule(int rule) 

Source Link

Document

Sets the winding rule for this path to the specified value.

Usage

From source file:Main.java

/**
 * Reads a <code>Shape</code> object that has been serialised by the
 * {@link #writeShape(Shape, ObjectOutputStream)} method.
 *
 * @param stream  the input stream (<code>null</code> not permitted).
 *
 * @return The shape object (possibly <code>null</code>).
 *
 * @throws IOException  if there is an I/O problem.
 * @throws ClassNotFoundException  if there is a problem loading a class.
 *//*from w w w  .  j  a  v  a2  s. co  m*/
public static Shape readShape(final ObjectInputStream stream) throws IOException, ClassNotFoundException {

    if (stream == null) {
        throw new IllegalArgumentException("Null 'stream' argument.");
    }
    Shape result = null;
    final boolean isNull = stream.readBoolean();
    if (!isNull) {
        final Class c = (Class) stream.readObject();
        if (c.equals(Line2D.class)) {
            final double x1 = stream.readDouble();
            final double y1 = stream.readDouble();
            final double x2 = stream.readDouble();
            final double y2 = stream.readDouble();
            result = new Line2D.Double(x1, y1, x2, y2);
        } else if (c.equals(Rectangle2D.class)) {
            final double x = stream.readDouble();
            final double y = stream.readDouble();
            final double w = stream.readDouble();
            final double h = stream.readDouble();
            result = new Rectangle2D.Double(x, y, w, h);
        } else if (c.equals(Ellipse2D.class)) {
            final double x = stream.readDouble();
            final double y = stream.readDouble();
            final double w = stream.readDouble();
            final double h = stream.readDouble();
            result = new Ellipse2D.Double(x, y, w, h);
        } else if (c.equals(Arc2D.class)) {
            final double x = stream.readDouble();
            final double y = stream.readDouble();
            final double w = stream.readDouble();
            final double h = stream.readDouble();
            final double as = stream.readDouble(); // Angle Start
            final double ae = stream.readDouble(); // Angle Extent
            final int at = stream.readInt(); // Arc type
            result = new Arc2D.Double(x, y, w, h, as, ae, at);
        } else if (c.equals(GeneralPath.class)) {
            final GeneralPath gp = new GeneralPath();
            final float[] args = new float[6];
            boolean hasNext = stream.readBoolean();
            while (!hasNext) {
                final int type = stream.readInt();
                for (int i = 0; i < 6; i++) {
                    args[i] = stream.readFloat();
                }
                switch (type) {
                case PathIterator.SEG_MOVETO:
                    gp.moveTo(args[0], args[1]);
                    break;
                case PathIterator.SEG_LINETO:
                    gp.lineTo(args[0], args[1]);
                    break;
                case PathIterator.SEG_CUBICTO:
                    gp.curveTo(args[0], args[1], args[2], args[3], args[4], args[5]);
                    break;
                case PathIterator.SEG_QUADTO:
                    gp.quadTo(args[0], args[1], args[2], args[3]);
                    break;
                case PathIterator.SEG_CLOSE:
                    gp.closePath();
                    break;
                default:
                    throw new RuntimeException("JFreeChart - No path exists");
                }
                gp.setWindingRule(stream.readInt());
                hasNext = stream.readBoolean();
            }
            result = gp;
        } else {
            result = (Shape) stream.readObject();
        }
    }
    return result;

}

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From source file:org.apache.pdfbox.pdfviewer.PageDrawer.java

/**
 * Set the clipping Path.//  ww w.  ja  v a  2  s  .  co m
 *
 * @param windingRule The winding rule this path will use.
 * 
 */
public void setClippingPath(int windingRule) {
    PDGraphicsState graphicsState = getGraphicsState();
    GeneralPath clippingPath = (GeneralPath) getLinePath().clone();
    clippingPath.setWindingRule(windingRule);
    // If there is already set a clipping path, we have to intersect the new with the existing one
    if (graphicsState.getCurrentClippingPath() != null) {
        Area currentArea = new Area(getGraphicsState().getCurrentClippingPath());
        Area newArea = new Area(clippingPath);
        currentArea.intersect(newArea);
        graphicsState.setCurrentClippingPath(currentArea);
    } else {
        graphicsState.setCurrentClippingPath(clippingPath);
    }
    getLinePath().reset();
}

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