opencv/modules/java/src/java/Scalar.java

package org.opencv;

//javadoc:Scalar_
public class Scalar {

    public double v0, v1, v2, v3;

    public Scalar(double v0, double v1, double v2, double v3) {
        this.v0 = v0;
        this.v1 = v1;
        this.v2 = v2;
        this.v3 = v3;
    }

    public Scalar(double v0, double v1, double v2) {
        this(v0, v1, v2, 0);
    }

    public Scalar(double v0, double v1) {
        this(v0, v1, 0, 0);
    }

    public Scalar(double v0) {
        this(v0, 0, 0, 0);
    }

    public Scalar(double[] vals) {
    	if(vals!=null) {
    		v0 = vals.length>0 ? (int)vals[0] : 0;
    		v1 = vals.length>1 ? (int)vals[1] : 0;
    		v2 = vals.length>2 ? (int)vals[2] : 0;
    		v3 = vals.length>3 ? (int)vals[3] : 0;
    	}
    }

    public static Scalar all(double v) {
        return new Scalar(v, v, v, v);
    }

    public Scalar clone() {
        return new Scalar(v0, v1, v2, v3);
    }

    public Scalar mul(Scalar it, double scale) {
        return new Scalar( v0 * it.v0 * scale, v1 * it.v1 * scale,
                           v2 * it.v2 * scale, v3 * it.v3 * scale );
    }

    public Scalar mul(Scalar it) {
        return mul(it, 1);
    }
    public Scalar conj() {
        return new Scalar(v0, -v1, -v2, -v3);
    }

    public boolean isReal() {
        return v1 == 0 && v2 == 0 && v3 == 0;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        long temp;
        temp = Double.doubleToLongBits(v0);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(v1);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(v2);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(v3);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (!(obj instanceof Scalar)) return false;
        Scalar it = (Scalar) obj;
        return v0 == it.v0 && v1 == it.v1 && v2 == it.v2 && v3 == it.v3;
    }
}