#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

static uint32_t	canvas[4][4];

static uint32_t	rgb888(int method, uint8_t rgb)
{
	int	r, g, b, n;

	r = (rgb >> 3) & 0x01;
	g = (rgb >> 1) & 0x03;
	b = (rgb >> 0) & 0x01;

	switch (method) {
	case	5:
		r = r ? 0xff : 0x00;
		g = (g << 6) | (g << 4) | (g << 2) | (g << 0);
		b = b ? 0xff: 0x00;
		break;
	default:
		r = g = b = 0;
		break;
	}

	n = (r << 16) | (g << 8) | b;

	return n;
}

int main(int argc, char *argv[])
{
	int	x, y, n;

	if (argc < 2) {
		printf("%s [method]\n", argv[0]);
		goto fin0;
	}

	/* 埋める */
	n = atoi(argv[1]);
	for (y = 0; y < 4; y++) {
		for (x = 0; x < 4; x++) {
			canvas[y][x] = rgb888(n, (y << 2) | x);
		}
	}

	/* 結果を表示する */
	printf("# ImageMagick pixel enumeration: 192,192,255,rgb\n");
	for (y = 0; y < 192; y++) {
		for (x = 0; x < 192; x++) {
			printf("%d,%d: (%3d,%3d,%3d)\n", x, y,
			       (canvas[y / 48][x / 48] >> 16) & 0xff,
			       (canvas[y / 48][x / 48] >>  8) & 0xff,
			       (canvas[y / 48][x / 48] >>  0) & 0xff);
		}
	}

fin0:
	return 0;
}