org.nakedobjects.nos.client.dnd.drawing.Shape Maven / Gradle / Ivy

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package org.nakedobjects.nos.client.dnd.drawing;

public class Shape {
    int count = 0;

    int[] x = new int[6];

    int[] y = new int[6];

    public Shape() {}

    public Shape(final int xOrigin, final int yOrigin) {
        this.x[0] = xOrigin;
        this.y[0] = yOrigin;
        count = 1;
    }

    public Shape(final Shape shape) {
        count = shape.count;
        this.x = new int[count];
        this.y = new int[count];
        for (int i = 0; i < count; i++) {
            this.x[i] = shape.x[i];
            this.y[i] = shape.y[i];
        }
    }

    public void extendsLine(final int width, final int height) {
        int x = this.x[count - 1] + width;
        int y = this.y[count - 1] + height;
        addVertex(x, y);
    }

    public void addVertex(final int x, final int y) {
        if(this.x.length == count) {
            int[] newX = new int[count * 2];
            int[] newY = new int[count * 2];
            System.arraycopy(this.x, 0, newX, 0, count);
            System.arraycopy(this.y, 0, newY, 0, count);
            this.x = newX;
            this.y = newY;
        }
        this.x[count] = x;
        this.y[count] = y;
        count++;
    }

    public int count() {
        return count;
    }

    public int[] getX() {
        int[] xx = new int[count];
        System.arraycopy(x, 0, xx, 0, count);

        return xx;
    }

    public int[] getY() {
        int[] yy = new int[count];
        System.arraycopy(y, 0, yy, 0, count);

        return yy;
    }

    public String toString() {
        StringBuffer points = new StringBuffer();
        for (int i = 0; i < count; i++) {
            if (i > 0) {
                points.append("; ");
            }
            points.append(this.x[i]);
            points.append(",");
            points.append(this.y[i]);
        }

        return "Shape {" + points + "}";
    }

    public void translate(final int x, final int y) {
        for (int i = 0; i < count; i++) {
            this.x[i] += x;
            this.y[i] += y;
        }
    }
}
// Copyright (c) Naked Objects Group Ltd.