#include "image/utils.h"

unsigned long
u32to_u64(const unsigned int clr)
{
	unsigned long mask = 0;
	unsigned long alpha = DECODE_A(clr);
	unsigned long red = DECODE_R(clr);
	unsigned long green = DECODE_G(clr);
	unsigned long blue = DECODE_B(clr);
	return (alpha << 48) | (red << 32) | (green << 16) | (blue);
}

unsigned int
u64to_u32(const unsigned long clr, const unsigned long u64_div)
{
	unsigned int a = ((clr >> 48) & LONG_BYTE);
	unsigned int r = ((clr >> 32) & LONG_BYTE);
	unsigned int g = ((clr >> 16) & LONG_BYTE);
	unsigned int b = (clr & LONG_BYTE);
	return ENCODE_ARGB((a / u64_div), (r / u64_div), (g / u64_div),
			   (b / u64_div));
}