/**
* Java Modular Image Synthesis Toolkit (JMIST)
* Copyright (C) 2008-2013 Bradley W. Kimmel
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package ca.eandb.jmist.framework.color.xyz.multi;
import ca.eandb.jmist.framework.color.CIEXYZ;
import ca.eandb.jmist.framework.color.Color;
import ca.eandb.jmist.framework.color.ColorUtil;
import ca.eandb.jmist.framework.color.RGB;
import ca.eandb.jmist.framework.color.WavelengthPacket;
/**
* @author brad
*
*/
/* package */ final class MultiXYZColor implements Color {
/** Serialization version ID. */
private static final long serialVersionUID = 6038043872164333783L;
private final double[] values;
private final MultiXYZWavelengthPacket lambda;
/**
* @param x
* @param y
* @param z
*/
public MultiXYZColor(double[] values, MultiXYZWavelengthPacket lambda) {
this.values = values;
this.lambda = lambda;
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#toXYZ()
*/
public CIEXYZ toXYZ() {
return new CIEXYZ(X(), Y(), Z());
}
public XYZColor toXYZColor() {
MultiXYZColorModel owner = getColorModel();
return new XYZColor(X(), Y(), Z(), owner);
}
public double X() {
MultiXYZColorModel owner = getColorModel();
int n = owner.getChannelsX();
double x = 0.0;
for (int i = 0, ofs = owner.getOffsetX(); i < n; i++) {
x += values[ofs + i];
}
return x / (double) n;
}
public double Y() {
MultiXYZColorModel owner = getColorModel();
int n = owner.getChannelsY();
double y = 0.0;
for (int i = 0, ofs = owner.getOffsetY(); i < n; i++) {
y += values[ofs + i];
}
return y / (double) n;
}
public double Z() {
MultiXYZColorModel owner = lambda.getColorModel();
int n = owner.getChannelsZ();
double z = 0.0;
for (int i = 0, ofs = owner.getOffsetZ(); i < n; i++) {
z += values[ofs + i];
}
return z / (double) n;
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#toRGB()
*/
public RGB toRGB() {
return ColorUtil.convertXYZ2RGB(X(), Y(), Z());
}
private Color create(double[] values, Color compat) {
MultiXYZColor color = new MultiXYZColor(values, lambda);
if (lambda == compat.getWavelengthPacket()) {
return color;
} else {
return color.toXYZColor();
}
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#abs()
*/
public Color abs() {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.abs(x[i]);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#clamp(double)
*/
public Color clamp(double max) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.min(x[i], max);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#clamp(double, double)
*/
public Color clamp(double min, double max) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.min(Math.max(x[i], min), max);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#disperse(int)
*/
public Color disperse(int channel) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
if (i != channel) {
x[i] = 0.0;
}
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#divide(ca.eandb.jmist.framework.color.Color)
*/
public Color divide(Color other) {
if (other instanceof XYZColor) {
return toXYZColor().divide((XYZColor) other);
} else {
return divide((MultiXYZColor) other);
}
}
public Color divide(MultiXYZColor other) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] /= other.values[i];
}
return create(x, other);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#divide(double)
*/
public Color divide(double c) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] /= c;
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#exp()
*/
public Color exp() {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.exp(x[i]);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#getColorModel()
*/
public MultiXYZColorModel getColorModel() {
return lambda.getColorModel();
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#getValue(int)
*/
public double getValue(int channel) {
return values[channel];
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#getWavelengthPacket()
*/
public WavelengthPacket getWavelengthPacket() {
return lambda;
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#invert()
*/
public Color invert() {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = 1.0 / x[i];
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#luminance()
*/
public double luminance() {
return Y();
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#minus(ca.eandb.jmist.framework.color.Color)
*/
public Color minus(Color other) {
if (other instanceof XYZColor) {
return toXYZColor().minus((XYZColor) other);
} else {
return minus((MultiXYZColor) other);
}
}
public Color minus(MultiXYZColor other) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] -= other.values[i];
}
return create(x, other);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#negative()
*/
public Color negative() {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = -x[i];
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#plus(ca.eandb.jmist.framework.color.Color)
*/
public Color plus(Color other) {
if (other instanceof XYZColor) {
return toXYZColor().plus((XYZColor) other);
} else {
return plus((MultiXYZColor) other);
}
}
public Color plus(MultiXYZColor other) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] += other.values[i];
}
return create(x, other);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#pow(ca.eandb.jmist.framework.color.Color)
*/
public Color pow(Color other) {
if (other instanceof XYZColor) {
return toXYZColor().pow((XYZColor) other);
}
return pow((MultiXYZColor) other);
}
public Color pow(MultiXYZColor other) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.pow(x[i], other.values[i]);
}
return create(x, other);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#pow(double)
*/
public Color pow(double e) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.pow(x[i], e);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#sqrt()
*/
public Color sqrt() {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] = Math.sqrt(x[i]);
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#times(ca.eandb.jmist.framework.color.Color)
*/
public Color times(Color other) {
if (other instanceof XYZColor) {
return toXYZColor().times((XYZColor) other);
} else {
return times((MultiXYZColor) other);
}
}
public Color times(MultiXYZColor other) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] *= other.values[i];
}
return create(x, other);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#times(double)
*/
public Color times(double c) {
double[] x = values.clone();
for (int i = 0; i < x.length; i++) {
x[i] *= c;
}
return new MultiXYZColor(x, lambda);
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.color.Color#toArray()
*/
public double[] toArray() {
return values.clone();
}
}