defaultdrawingsupplier.java

这是一个segy数据显示程序

        // square
        result[0] = new Rectangle2D.Double(-delta, -delta, size, size);
        // circle
        result[1] = new Ellipse2D.Double(-delta, -delta, size, size);

        // up-pointing triangle
        xpoints = intArray(0.0, delta, -delta);
        ypoints = intArray(-delta, delta, delta);
        result[2] = new Polygon(xpoints, ypoints, 3);

        // diamond
        xpoints = intArray(0.0, delta, 0.0, -delta);
        ypoints = intArray(-delta, 0.0, delta, 0.0);
        result[3] = new Polygon(xpoints, ypoints, 4);

        // horizontal rectangle
        result[4] = new Rectangle2D.Double(-delta, -delta / 2, size, size / 2);

        // down-pointing triangle
        xpoints = intArray(-delta, +delta, 0.0);
        ypoints = intArray(-delta, -delta, delta);
        result[5] = new Polygon(xpoints, ypoints, 3);

        // horizontal ellipse
        result[6] = new Ellipse2D.Double(-delta, -delta / 2, size, size / 2);

        // right-pointing triangle
        xpoints = intArray(-delta, delta, -delta);
        ypoints = intArray(-delta, 0.0, delta);
        result[7] = new Polygon(xpoints, ypoints, 3);

        // vertical rectangle
        result[8] = new Rectangle2D.Double(-delta / 2, -delta, size / 2, size);

        // left-pointing triangle
        xpoints = intArray(-delta, delta, delta);
        ypoints = intArray(0.0, -delta, +delta);
        result[9] = new Polygon(xpoints, ypoints, 3);

        return result;

    }

    /**
     * Tests this object for equality with another object.
     *
     * @param obj  the other object.
     *
     * @return A boolean.
     */
    public boolean equals(Object obj) {

        if (obj == null) {
            return false;
        }

        if (obj == this) {
            return true;
        }

        if (obj instanceof DefaultDrawingSupplier) {
            DefaultDrawingSupplier supplier = (DefaultDrawingSupplier) obj;

            boolean b0 = Arrays.equals(this.paintSequence, supplier.paintSequence);

            boolean b1 = (this.paintIndex == supplier.paintIndex);

            boolean b2 = Arrays.equals(this.outlinePaintSequence, supplier.outlinePaintSequence);

            boolean b3 = (this.outlinePaintIndex == supplier.outlinePaintIndex);

            boolean b4 = Arrays.equals(this.strokeSequence, supplier.strokeSequence);

            boolean b5 = (this.strokeIndex == supplier.strokeIndex);

            boolean b6 = Arrays.equals(this.outlineStrokeSequence, supplier.outlineStrokeSequence);

            boolean b7 = (this.outlineStrokeIndex == supplier.outlineStrokeIndex);

            boolean b8 = true; // something is going wrong here?
            // Arrays.equals(this.shapeSequence, supplier.shapeSequence);

            boolean b9 = (this.shapeIndex == supplier.shapeIndex);

            return b0 && b1 && b2 && b3 && b4 && b5 && b6 && b7 && b8 && b9;

        }

        return false;

    }

    /**
     * Handles serialization.
     *
     * @param stream  the output stream.
     *
     * @throws IOException if there is an I/O problem.
     */
    private void writeObject(ObjectOutputStream stream) throws IOException {
        stream.defaultWriteObject();

        int paintCount = this.paintSequence.length;
        stream.writeInt(paintCount);
        for (int i = 0; i < paintCount; i++) {
            SerialUtilities.writePaint(this.paintSequence[i], stream);
        }

        int outlinePaintCount = this.outlinePaintSequence.length;
        stream.writeInt(outlinePaintCount);
        for (int i = 0; i < outlinePaintCount; i++) {
            SerialUtilities.writePaint(this.outlinePaintSequence[i], stream);
        }

        int strokeCount = this.strokeSequence.length;
        stream.writeInt(strokeCount);
        for (int i = 0; i < strokeCount; i++) {
            SerialUtilities.writeStroke(this.strokeSequence[i], stream);
        }

        int outlineStrokeCount = this.outlineStrokeSequence.length;
        stream.writeInt(outlineStrokeCount);
        for (int i = 0; i < outlineStrokeCount; i++) {
            SerialUtilities.writeStroke(this.outlineStrokeSequence[i], stream);
        }

        int shapeCount = this.shapeSequence.length;
        stream.writeInt(shapeCount);
        for (int i = 0; i < shapeCount; i++) {
            SerialUtilities.writeShape(this.shapeSequence[i], stream);
        }

    }

    /**
     * Restores a serialized object.
     *
     * @param stream  the input stream.
     *
     * @throws IOException if there is an I/O problem.
     * @throws ClassNotFoundException if there is a problem loading a class.
     */
    private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
        stream.defaultReadObject();

        int paintCount = stream.readInt();
        this.paintSequence = new Paint[paintCount];
        for (int i = 0; i < paintCount; i++) {
            this.paintSequence[i] = SerialUtilities.readPaint(stream);
        }

        int outlinePaintCount = stream.readInt();
        this.outlinePaintSequence = new Paint[outlinePaintCount];
        for (int i = 0; i < outlinePaintCount; i++) {
            this.outlinePaintSequence[i] = SerialUtilities.readPaint(stream);
        }

        int strokeCount = stream.readInt();
        this.strokeSequence = new Stroke[strokeCount];
        for (int i = 0; i < strokeCount; i++) {
            this.strokeSequence[i] = SerialUtilities.readStroke(stream);
        }

        int outlineStrokeCount = stream.readInt();
        this.outlineStrokeSequence = new Stroke[outlineStrokeCount];
        for (int i = 0; i < outlineStrokeCount; i++) {
            this.outlineStrokeSequence[i] = SerialUtilities.readStroke(stream);
        }

        int shapeCount = stream.readInt();
        this.shapeSequence = new Shape[shapeCount];
        for (int i = 0; i < shapeCount; i++) {
            this.shapeSequence[i] = SerialUtilities.readShape(stream);
        }

    }

    /**
     * Helper method to avoid lots of explicit casts in getShape().  Returns
     * an array containing the provided doubles cast to ints.
     *
     * @param a  x
     * @param b  y
     * @param c  z
     *
     * @return int[3] with converted params.
     */
    private static int[] intArray(double a, double b, double c) {
        return new int[] {(int) a, (int) b, (int) c};
    }

    /**
     * Helper method to avoid lots of explicit casts in getShape().  Returns
     * an array containing the provided doubles cast to ints.
     *
     * @param a  x
     * @param b  y
     * @param c  z
     * @param d  t
     *
     * @return int[3] with converted params.
     */
    private static int[] intArray(double a, double b, double c, double d) {
        return new int[] {(int) a, (int) b, (int) c, (int) d};
    }

    /**
     * Returns a clone.
     * 
     * @return A clone.
     * 
     * @throws CloneNotSupportedException if a component of the supplier does not support cloning.
     */
    public Object clone() throws CloneNotSupportedException {
        DefaultDrawingSupplier clone = (DefaultDrawingSupplier) super.clone();
        //public static final Paint[] DEFAULT_PAINT_SEQUENCE = ChartColor.createDefaultPaintArray();
        //public static final Paint[] DEFAULT_OUTLINE_PAINT_SEQUENCE 
        //public static final Stroke[] DEFAULT_STROKE_SEQUENCE 
        //public static final Stroke[] DEFAULT_OUTLINE_STROKE_SEQUENCE
        //public static final Shape[] DEFAULT_SHAPE_SEQUENCE = createStandardSeriesShapes();
        //private transient Paint[] paintSequence;
        //private int paintIndex;
        //private transient Paint[] outlinePaintSequence;
        //private int outlinePaintIndex;
        // private transient Stroke[] strokeSequence;
        //private int strokeIndex;
        //private transient Stroke[] outlineStrokeSequence;
        //private int outlineStrokeIndex;
        //private transient Shape[] shapeSequence;
        //clone.shapeSequence = 
        //private int shapeIndex <-- primitive       
        return clone;
    }
}