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package medusa.georgios.vecmathpackage;
import medusa.georgios.*;
import java.awt.Color;


/**
 * A three-element color value represented by single precision floating
 * point x,y,z values.  The x,y,z values represent the red, green, and
 * blue color values, respectively. Color components should be in the
 * range of [0.0, 1.0].
 * 

 * Java 3D assumes that a linear (gamma-corrected) visual is used for
 * all colors.
 *
 */
public class Color3f extends Tuple3f implements java.io.Serializable {

    // Compatible with 1.1
    static final long serialVersionUID = -1861792981817493659L;

    /**
     * Constructs and initializes a Color3f from the three xyz values.
     * @param x the red color value
     * @param y the green color value
     * @param z the blue color value
     */
    public Color3f(float x, float y, float z) {
        super(x,y,z);
    }


    /**
     * Constructs and initializes a Color3f from the array of length 3.
     * @param v the array of length 3 containing xyz in order
     */
    public Color3f(float[] v) {
	super(v);
    }


    /**
     * Constructs and initializes a Color3f from the specified Color3f.
     * @param v1 the Color3f containing the initialization x y z data
     */
    public Color3f(Color3f v1) {
	super(v1);
    }


    /**
     * Constructs and initializes a Color3f from the specified Tuple3f.
     * @param t1 the Tuple3f containing the initialization x y z data
     */
    public Color3f(Tuple3f t1) {
	super(t1);
    }


    /**
     * Constructs and initializes a Color3f from the specified Tuple3d.
     * @param t1 the Tuple3d containing the initialization x y z data
     */
    public Color3f(Tuple3d t1) {
	super(t1);
    }


    /**
     * Constructs and initializes a Color3f from the specified AWT
     * Color object.  The alpha value of the AWT color is ignored.
     * No conversion is done on the color to compensate for
     * gamma correction.
     *
     * @param color the AWT color with which to initialize this
     * Color3f object
     *
     * @since vecmath 1.2
     */
    public Color3f(Color color) {
	super((float)color.getRed() / 255.0f,
	      (float)color.getGreen() / 255.0f,
	      (float)color.getBlue() / 255.0f);
    }


    /**
     * Constructs and initializes a Color3f to (0.0, 0.0, 0.0).
     */
    public Color3f() {
        super();
    }


    /**
     * Sets the r,g,b values of this Color3f object to those of the
     * specified AWT Color object.
     * No conversion is done on the color to compensate for
     * gamma correction.
     *
     * @param color the AWT color to copy into this Color3f object
     *
     * @since vecmath 1.2
     */
    public final void set(Color color) {
	x = (float)color.getRed() / 255.0f;
	y = (float)color.getGreen() / 255.0f;
	z = (float)color.getBlue() / 255.0f;
    }


    /**
     * Returns a new AWT color object initialized with the r,g,b
     * values of this Color3f object.
     *
     * @return a new AWT Color object
     *
     * @since vecmath 1.2
     */
    public final Color get() {
	int r = Math.round(x * 255.0f);
	int g = Math.round(y * 255.0f);
	int b = Math.round(z * 255.0f);

	return new Color(r, g, b);
    }

}