/**
* This method return the distance between two RGB points
*
* @param c1 : RGB point one
* @param c2 : RGB point two
* @return Integer with distance
*/
public int getDistance(Rgb c1, Rgb c2) {
int dRed = c1.getRed() - c2.getRed();
int dBlue = c1.getBlue() - c2.getBlue();
int dGreen = c1.getGreen() - c2.getGreen();
return ((dRed * dRed) + (dBlue * dBlue) + (dGreen * dGreen));
}
/**
* This method convert an RGB point to its respective CMYK
*
* @param rgbColor: RGB point
* @return CMYK object
*/
public Cmyk rgbToCmyk(Rgb rgbColor) {
Cmyk cmykColor = null;
int black =
Math.min(
Math.min(255 - rgbColor.getRed(), 255 - rgbColor.getGreen()), 255 - rgbColor.getBlue());
if (black == 255) {
cmykColor =
new Cmyk(
255 - rgbColor.getRed(), 255 - rgbColor.getGreen(), 255 - rgbColor.getBlue(), black);
} else {
cmykColor =
new Cmyk(
(int) ((255 - rgbColor.getRed() - black) / (255 - black)),
(int) ((255 - rgbColor.getGreen() - black) / (255 - black)),
(int) ((255 - rgbColor.getBlue() - black) / (255 - black)),
black);
}
return (cmykColor);
}