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Date:      Wed, 18 Jul 2012 22:39:45 GMT
From:      Brooks Davis <brooks@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 214580 for review
Message-ID:  <201207182239.q6IMdjDh036481@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@214580?ac=10

Change 214580 by brooks@brooks_ecr_current on 2012/07/18 22:39:42

	Sort argument processing.
	
	Add a vstripes subcommand to draw black and white stripes on
	the screen.

Affected files ...

.. //depot/projects/ctsrd/beribsd/src/ctsrd/mtlctl/mtlctl.c#2 edit

Differences ...

==== //depot/projects/ctsrd/beribsd/src/ctsrd/mtlctl/mtlctl.c#2 (text+ko) ====

@@ -81,10 +81,12 @@
 usage(void)
 {
 	
-	printf("usage:	mtlclt gesture\n");
-	printf("	mtlclt gestures\n");
+	printf("usage:	\n");
 	printf("	mtlclt fbdump <file>\n");
 	printf("	mtlclt fbloaddump <file>\n");
+	printf("	mtlclt gesture\n");
+	printf("	mtlclt gestures\n");
+	printf("	mtlclt vstripes <width>\n");
 	exit(1);
 }
 
@@ -166,7 +168,7 @@
 int
 main(int argc, char *argv[] __unused)
 {
-	int b, fd, i;
+	int b, fd, i, j;
 	u_int32_t *image;
 
 	if (argc < 2)
@@ -174,12 +176,7 @@
 
 	fb_init();
 
-	if (strcmp(argv[1], "gesture") == 0)
-		print_gesture();
-	else if (strcmp(argv[1], "gestures") == 0)
-		for (;;)
-			print_gesture();
-	else if (strcmp(argv[1], "fbdump") == 0) {
+	if (strcmp(argv[1], "fbdump") == 0) {
 		if (argc != 3)
 			usage();
 		image = malloc(fb_width * fb_height * 4);
@@ -187,8 +184,7 @@
 			err(1, "malloc");
 		if ((fd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC)) == -1)
 			err(1, "open");
-		for (i = 0; i < fb_width * fb_height; i++)
-			image[i] = pfbp[i];
+		fb_save(image);
 		for (i = 0; i < fb_width * fb_height * 4; i += b) {
 			b = write(fd, image, fb_width * fb_height * 4 - i);
 			if (b == -1)
@@ -199,7 +195,7 @@
 			usage();
 		image = malloc(fb_width * fb_height * 4);
 		if (image == NULL)
-			err(1, "malloc");
+			err(1, "malloc image buf");
 		if ((fd = open(argv[2], O_RDONLY)) == -1)
 			err(1, "open");
 		for (i = 0; i < fb_width * fb_height * 4; i += b) {
@@ -208,7 +204,34 @@
 				err(1, "read");
 		}
 		fb_post(image);
-	}
+	} else if (strcmp(argv[1], "gesture") == 0) {
+		print_gesture();
+	} else if (strcmp(argv[1], "gestures") == 0) {
+		for (;;)
+			print_gesture();
+	} else if (strcmp(argv[1], "vstripes") == 0) {
+		int width;
+		char *endp;
+		if (argc != 3)
+			usage();
+		width = strtoul(argv[2], &endp, 0);
+		if (*endp != '\0' || width > fb_width) {
+			warnx("Invalid width '%s'", argv[2]);
+			usage();
+		}
+
+		image = malloc(fb_width * fb_height * 4);
+		if (image == NULL)
+			err(1, "malloc image buf");
+		for (i = 0; i < fb_width; i++)
+			for (j = 0; j < fb_height; j++)
+				image[i + j * fb_width] =
+				    (((i / width) & 0x1) == 1) ?
+					fb_colour(0xff, 0xff, 0xff) :
+					fb_colour(0, 0, 0);
+		fb_post(image);
+	} else
+		usage();
 
 	return (0);
 }

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