color.c

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

		put_str("   ");
		put_str(splat[d].name);
		put_crlf();
	}
	return palette_full;
}


static void
ncv_display(int m)
{				/* print the no_color_video (ncv) test line */
	putchp('0' + m);
	putchp(' ');
	eat_cookie();
	set_attr(1 << m);
	sprintf(temp, "%-11s", alt_modes[m].name);
	put_str(temp);

	new_color(COLOR_BLUE, COLOR_BLACK, TRUE);
	put_str("blue");

	new_color(COLOR_BLACK, COLOR_GREEN, TRUE);
	put_str("green");

	new_color(COLOR_WHITE, COLOR_BLACK, TRUE);
	put_str(alt_modes[m].name);
	eat_cookie();
	set_attr(0);
	reset_colors();
	put_crlf();
}


static void
dump_colors(void)
{				/* display the colors in some esthetic
				   pattern */
	static int xmap[8] = {0, 3, 4, 7, 1, 2, 5, 6};
	int i, j, k, xi, xj, width, p, cs;
	int found_one;

	cs = color_step <= 125 ? 125 : color_step;
	width = (1000 / cs) + 1;
	for (xi = 0; xi < 16; xi++) {
		i = (xi & 8) ? xi ^ 15 : xi;
		R = i * cs;
		if (R <= 1000) {
			found_one = FALSE;
			for (xj = 0; xj < 32; xj++) {
				j = ((xj & 8) ? xj ^ 15 : xj) & 7;
				k = xmap[((xi >> 1) & 4) + (xj >> 3)];
				G = j * cs;
				B = k * cs;
				if (G <= 1000 && B <= 1000) {
					p = (k * width + j) * width + i;
					if (set_a_background) {
						if (p >= max_colors) {
							continue;
						}
						send_color(p, R, G, B);
						tc_putp(tparm(set_a_background, p));
					} else if (set_background) {
						if (p >= max_colors) {
							continue;
						}
						send_color(p, R, G, B);
						tc_putp(tparm(set_background, p));
					} else {
						if (p >= max_pairs) {
							continue;
						}
						send_pair(p, R, G, B, R, G, B);
						tc_putp(tparm(set_color_pair, p));
					}
					found_one = TRUE;
					putchp(' ');
					putchp(' ');
				}
			}
			if (found_one) {
				put_crlf();
			}
		}
	}
}

/*
**	color_check(test_list, status, ch)
**
**	test (colors) and (pairs)
*/
static void
color_check(
	struct test_list *t,
	int *state,
	int *ch)
{
	if (max_colors <= 0 && max_pairs <= 0) {
		ptext("This is not a color terminal; (colors) and (pairs) are missing.  ");
		*state |= MENU_STOP;
	} else {
		sprintf(temp, "This terminal can display %d colors and %d color pairs.  (colors) (pairs)",
			max_colors, max_pairs);
		ptextln(temp);
	}
	generic_done_message(t, state, ch);
}

/*
**	color_setf(test_list, status, ch)
**
**	test (setf) (setb) and (scp)
*/
static void
color_setf(
	struct test_list *t,
	int *state,
	int *ch)
{
	int i, j;

	if (max_colors <= 0 && max_pairs <= 0) {
		ptext("This is not a color terminal; (colors) and (pairs) are missing.  ");
		generic_done_message(t, state, ch);
		*state |= MENU_STOP;
		return;
	}
	if ((set_a_foreground == NULL || set_a_background == NULL)
	 && (set_foreground == NULL   || set_background == NULL)
	 && set_color_pair == NULL) {
		ptextln("Both set foreground (setaf/setf) and set color pair (scp) are not present.");
		if (!set_a_background || !set_background) {
			ptextln("(setab/setb) set background not present");
		}
		ptext("These must be defined for color testing.  ");
		generic_done_message(t, state, ch);
		*state |= MENU_STOP;
		return;
	}
	/* initialize the color palette */
	pairs_used = max_colors >= 8 ? 8 : max_colors;
	reset_colors();
	new_color(COLOR_WHITE, COLOR_BLACK, FALSE);

	ptextln("(setf) (setb) (scp) The following colors are predefined:");
	ptextln("\n   Foreground     Background");
	put_crlf();
	j = max_colors > 8 ? 8 : max_colors;
	/*
	 * the black on white test is the same as the white on black test.
	 */
	for (i = 1; i < j; i++) {
		putchp('0' + def_colors[i].index);
		putchp(' ');
		sprintf(temp, " %s ", def_colors[i].name);

		new_color(def_colors[i].index, COLOR_BLACK, TRUE);
		put_str(temp);

		new_color(COLOR_BLACK, COLOR_BLACK, TRUE);
		put_str("  ");

		new_color(COLOR_BLACK, def_colors[i].index, TRUE);
		put_str(temp);

		new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
		put_crlf();
	}
	reset_colors();
	put_crlf();
	generic_done_message(t, state, ch);
}

/*
**	color_matrix(test_list, status, ch)
**
**	test (pairs) (op)
*/
static void
color_matrix(
	struct test_list *t,
	int *state,
	int *ch)
{
	int i, j, matrix_size, matrix_area, brightness;

	matrix_size = max_colors > 8 ? 8 : max_colors;

	sprintf(temp, "(pairs) There are %d color pairs.", max_pairs);
	ptextln(temp);

	for ( ; matrix_size; matrix_size--) {
		if (matrix_size * matrix_size <= max_pairs) {
			break;
		}
	}
	matrix_area = matrix_size * matrix_size;
	for (brightness = 0; brightness < 2; brightness++) {
		put_crlf();
		sprintf(temp,
			"%dx%d matrix of foreground/background colors, bright *o%s*",
			matrix_size, matrix_size, brightness ? "n" : "ff");
		put_str(temp);

		put_str("\n          ");
		for (i = 0; i < matrix_size; i++) {
			(void) sprintf(temp, "%-8s", def_colors[i].name);
			put_str(temp);
		}
		for (j = 0; j < matrix_area; j++) {
			if (j % matrix_size == 0) {
				reset_colors();
				put_crlf();
				if (brightness) {
					tc_putp(exit_attribute_mode);
				}
				(void) sprintf(temp, "%-8s", def_colors[j / matrix_size].name);
				put_str(temp);
				if (brightness) {
					put_mode(enter_bold_mode);
				}
			}
			new_color(def_colors[j % matrix_size].index,
				def_colors[j / matrix_size].index,
				FALSE);
			put_str("  Hello ");
		}
		reset_colors();
		if (brightness) {
			tc_putp(exit_attribute_mode);
		}
		put_crlf();
	}
	generic_done_message(t, state, ch);
}

/*
**	color_ncv(test_list, status, ch)
**
**	test (ncv)
*/
static void
color_ncv(
	struct test_list *t,
	int *state,
	int *ch)
{
	int i;

	if (no_color_video == -1) {
		/* I have no idea what this means */
		return;
	}
	sprintf(temp, "According to no_color_video (ncv) which is %d, the following attributes should work correctly with color.", no_color_video);
	ptextln(temp);
	put_crlf();
	set_attr(0);
	ncv_display(0);
	for (i = 1; i <= 9; i++) {
		if (((no_color_video >> (mode_map[i] - 1)) & 1) == 0) {
			ncv_display(mode_map[i]);
		}
	}
	if (no_color_video & 0x3ff) {
		ptextln("\nThe following attributes should not work correctly with color. (ncv)\n");
		for (i = 1; i <= 9; i++) {
			if ((no_color_video >> (mode_map[i] - 1)) & 1) {
				ncv_display(mode_map[i]);
			}
		}
	}
	reset_colors();
	put_crlf();
	generic_done_message(t, state, ch);
}

/*
**	color_bce(test_list, status, ch)
**
**	test (bce) background color erase
*/
static void
color_bce(
	struct test_list *t,
	int *state,
	int *ch)
{
	new_color(COLOR_CYAN, COLOR_BLUE, FALSE);
	put_clear();
	put_newlines(2);
	reset_colors();
	ptextln("If the two lines above are blue then back_color_erase (bce) should be true.");
	sprintf(temp, "(bce) is %s in the data base.", back_color_erase ? "true" : "false");
	ptextln(temp);
	generic_done_message(t, state, ch);
}

/*
**	color_ccc(test_list, status, ch)
**
**	test (ccc) color palette test (oc) (op) (initc) (initp)
*/
static void
color_ccc(
	struct test_list *t,
	int *state,
	int *ch)
{
	int i, j;

	if (!can_change) {
		ptextln("Terminal can not change colors (ccc)");
		generic_done_message(t, state, ch);
		return;
	}
	reset_colors();
	pairs_used = 0;
	new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
	sprintf(temp, "Reloading colors (init%c) using %s method",
		set_foreground ? 'c' : 'p',
		hue_lightness_saturation ? "HLS" : "RGB");
	ptextln(temp);
	put_crlf();
	j = max_colors > 7 ? 7 : max_colors;
	/* redisplay the above test with reinitialized colors */
	/* If these colors don't look right to you... */
	for (i = 0; i < j; i++) {
		sprintf(temp, " %s ", def_colors[i ^ 7].name);

		new_color(i ^ 7, COLOR_BLACK, TRUE);
		put_str(temp);

		new_color(COLOR_BLACK, COLOR_BLACK, TRUE);
		put_str("  ");

		new_color(COLOR_BLACK, i ^ 7, TRUE);
		put_str(temp);

		new_color(COLOR_WHITE, COLOR_BLACK, FALSE);
		put_crlf();
	}
	generic_done_message(t, state, ch);
	if (*ch != 0 && *ch != 'n') {
		reset_colors();
		return;
	}

	pairs_used = 0;
	cookie_monster = 0;
	if (magic_cookie_glitch > 0) {
		cookie_monster =
			((set_a_foreground || set_foreground)
				? magic_cookie_glitch : 0) +
			((set_a_background || set_background)
				? magic_cookie_glitch : 0) +
			(set_color_pair ? magic_cookie_glitch : 0);
	}
	set_color_step();
	colors_per_line = max_colors > max_pairs
		? max_pairs : max_colors;
	j = (columns - 14) / (cookie_monster + 1);
	if (colors_per_line > j) {
		colors_per_line = (j / i) * i;
	}
	sprintf(temp, "RGB color step %d, cookies %d", color_step,
		cookie_monster);
	ptextln(temp);

	R = G = B = 0;
	pairs_used = 0;
	for (;;) {
		if (rainbow(colors_per_line)) {
			break;
		}
	}
	generic_done_message(t, state, ch);
	if (*ch != 0 && *ch != 'n') {
		reset_colors();
		return;
	}
	dump_colors();
	reset_colors();
	generic_done_message(t, state, ch);
}