package net.shadowfacts.cacao.util

/**
 * Helper class for Cacao colors.
 *
 * @author shadowfacts
 * @param red The red component, from 0-255.
 * @param green The green component, from 0-255.
 * @param blue The blue component, from 0-255.
 * @param alpha The alpha (i.e. transparency) component, from 0-255. (0 is transparent, 255 is opaque)
 */
data class Color(val red: Int, val green: Int, val blue: Int, val alpha: Int = 255) {

	/**
	 * Constructs a color from the packed RGB color.
	 */
	constructor(rgb: Int, alpha: Int = 255): this(rgb shr 16, (rgb shr 8) and 255, rgb and 255, alpha)

	/**
	 * The ARGB packed representation of this color.
	 */
	val argb: Int
		get() = ((alpha and 255) shl 24) or ((red and 255) shl 16) or ((green and 255) shl 8) or (blue and 255)

	companion object {
		val CLEAR = Color(0, alpha = 0)
		val WHITE = Color(0xffffff)
		val BLACK = Color(0)
		val RED = Color(0xff0000)
		val GREEN = Color(0x00ff00)
		val BLUE = Color(0x0000ff)
	}

}