public static float[] cmykFromRgb(int rgbColor){
  int red=(0xff0000 & rgbColor) >> 16;
  int green=(0xff00 & rgbColor) >> 8;
  int blue=(0xff & rgbColor);
  float black=Math.min(1.0f - red / 255.0f,Math.min(1.0f - green / 255.0f,1.0f - blue / 255.0f));
  float cyan=1.0f;
  float magenta=1.0f;
  float yellow=1.0f;
  if (black != 1.0f) {
    cyan=(1.0f - (red / 255.0f) - black) / (1.0f - black);
    magenta=(1.0f - (green / 255.0f) - black) / (1.0f - black);
    yellow=(1.0f - (blue / 255.0f) - black) / (1.0f - black);
  }
  return new float[]{cyan,magenta,yellow,black};
}

public static float [ ] cmykFromRgb ( int rgbColor ) { int red = ( 0xff0000 & rgbColor ) > > 16 ; int green = ( 0xff00 & rgbColor ) > > 8 ; int blue = ( 0xff & rgbColor ) ; float black = Math . min ( 1.0f - red / 255.0f , Math . min ( 1.0f - green / 255.0f , 1.0f - blue / 255.0f ) ) ; float cyan = 1.0f ; float magenta = 1.0f ; float yellow = 1.0f ; if ( black != 1.0f ) { cyan = ( 1.0f - ( red / 255.0f ) - black ) / ( 1.0f - black ) ; magenta = ( 1.0f - ( green / 255.0f ) - black ) / ( 1.0f - black ) ; yellow = ( 1.0f - ( blue / 255.0f ) - black ) / ( 1.0f - black ) ; } return new float [ ] { cyan , magenta , yellow , black } ; }
convert rgb color to cmyk color .
