Tabify bin

5 files changed, 562 insertions, 562 deletions

diff --git a/bin/gfx/cocoa.m b/bin/gfx/cocoa.m
index 54f39e62..6c0f0d66 100644
--- a/bin/gfx/cocoa.m
+++ b/bin/gfx/cocoa.m
@@ -26,78 +26,78 @@
 #define UNUSED __attribute__((unused))
 
 @interface BufferView : NSView {
-    size_t bufSize;
-    uint32_t *buf;
-    CGColorSpaceRef colorSpace;
-    CGDataProviderRef dataProvider;
+	size_t bufSize;
+	uint32_t *buf;
+	CGColorSpaceRef colorSpace;
+	CGDataProviderRef dataProvider;
 }
 @end
 
 @implementation BufferView
 - (instancetype) initWithFrame: (NSRect) frameRect {
-    colorSpace = CGColorSpaceCreateDeviceRGB();
-    return [super initWithFrame: frameRect];
+	colorSpace = CGColorSpaceCreateDeviceRGB();
+	return [super initWithFrame: frameRect];
 }
 
 - (void) setWindowTitle {
-    [[self window] setTitle: [NSString stringWithUTF8String: status()]];
+	[[self window] setTitle: [NSString stringWithUTF8String: status()]];
 }
 
 - (void) draw {
-    draw(buf, [self frame].size.width, [self frame].size.height);
-    [self setNeedsDisplay: YES];
+	draw(buf, [self frame].size.width, [self frame].size.height);
+	[self setNeedsDisplay: YES];
 }
 
 - (void) setFrameSize: (NSSize) newSize {
-    [super setFrameSize: newSize];
-    size_t newBufSize = 4 * newSize.width * newSize.height;
-    if (newBufSize > bufSize) {
-        bufSize = newBufSize;
-        buf = malloc(bufSize);
-        if (!buf) err(EX_OSERR, "malloc(%zu)", bufSize);
-        CGDataProviderRelease(dataProvider);
-        dataProvider = CGDataProviderCreateWithData(NULL, buf, bufSize, NULL);
-    }
-    [self draw];
+	[super setFrameSize: newSize];
+	size_t newBufSize = 4 * newSize.width * newSize.height;
+	if (newBufSize > bufSize) {
+		bufSize = newBufSize;
+		buf = malloc(bufSize);
+		if (!buf) err(EX_OSERR, "malloc(%zu)", bufSize);
+		CGDataProviderRelease(dataProvider);
+		dataProvider = CGDataProviderCreateWithData(NULL, buf, bufSize, NULL);
+	}
+	[self draw];
 }
 
 - (void) drawRect: (NSRect) UNUSED dirtyRect {
-    NSSize size = [self frame].size;
-    CGContextRef ctx = [[NSGraphicsContext currentContext] CGContext];
-    CGImageRef image = CGImageCreate(
-        size.width, size.height,
-        8, 32, 4 * size.width,
-        colorSpace, kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
-        dataProvider,
-        NULL, false, kCGRenderingIntentDefault
-    );
-    CGContextDrawImage(ctx, [self frame], image);
-    CGImageRelease(image);
+	NSSize size = [self frame].size;
+	CGContextRef ctx = [[NSGraphicsContext currentContext] CGContext];
+	CGImageRef image = CGImageCreate(
+		size.width, size.height,
+		8, 32, 4 * size.width,
+		colorSpace, kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst,
+		dataProvider,
+		NULL, false, kCGRenderingIntentDefault
+	);
+	CGContextDrawImage(ctx, [self frame], image);
+	CGImageRelease(image);
 }
 
 - (BOOL) acceptsFirstResponder {
-    return YES;
+	return YES;
 }
 
 - (void) keyDown: (NSEvent *) event {
-    char in;
-    BOOL converted = [
-        [event characters]
-        getBytes: &in
-        maxLength: 1
-        usedLength: NULL
-        encoding: NSASCIIStringEncoding
-        options: 0
-        range: NSMakeRange(0, 1)
-        remainingRange: NULL
-    ];
-    if (converted) {
-        if (!input(in)) {
-            [NSApp terminate: self];
-        }
-        [self draw];
-        [self setWindowTitle];
-    }
+	char in;
+	BOOL converted = [
+		[event characters]
+		getBytes: &in
+		maxLength: 1
+		usedLength: NULL
+		encoding: NSASCIIStringEncoding
+		options: 0
+		range: NSMakeRange(0, 1)
+		remainingRange: NULL
+	];
+	if (converted) {
+		if (!input(in)) {
+			[NSApp terminate: self];
+		}
+		[self draw];
+		[self setWindowTitle];
+	}
 }
 @end
 
@@ -106,57 +106,57 @@
 
 @implementation Delegate
 - (BOOL) applicationShouldTerminateAfterLastWindowClosed:
-    (NSApplication *) UNUSED sender {
-    return YES;
+	(NSApplication *) UNUSED sender {
+	return YES;
 }
 @end
 
 int main(int argc, char *argv[]) {
-    int error = init(argc, argv);
-    if (error) return error;
-
-    [NSApplication sharedApplication];
-    [NSApp setActivationPolicy: NSApplicationActivationPolicyRegular];
-    [NSApp setDelegate: [Delegate new]];
-
-    NSString *name = [[NSProcessInfo processInfo] processName];
-    NSMenu *menu = [NSMenu new];
-    [
-        menu
-        addItemWithTitle: @"Close Window"
-        action: @selector(performClose:)
-        keyEquivalent: @"w"
-    ];
-    [menu addItem: [NSMenuItem separatorItem]];
-    [
-        menu
-        addItemWithTitle: [@"Quit " stringByAppendingString: name]
-        action: @selector(terminate:)
-        keyEquivalent: @"q"
-    ];
-    NSMenuItem *menuItem = [NSMenuItem new];
-    [menuItem setSubmenu: menu];
-    [NSApp setMainMenu: [NSMenu new]];
-    [[NSApp mainMenu] addItem: menuItem];
-
-    NSUInteger style = NSTitledWindowMask
-        | NSClosableWindowMask
-        | NSMiniaturizableWindowMask
-        | NSResizableWindowMask;
-    NSWindow *window = [
-        [NSWindow alloc]
-        initWithContentRect: NSMakeRect(0, 0, 800, 600)
-        styleMask: style
-        backing: NSBackingStoreBuffered
-        defer: YES
-    ];
-    [window center];
-
-    BufferView *view = [[BufferView alloc] initWithFrame: [window frame]];
-    [window setContentView: view];
-    [view setWindowTitle];
-
-    [window makeKeyAndOrderFront: nil];
-    [NSApp activateIgnoringOtherApps: YES];
-    [NSApp run];
+	int error = init(argc, argv);
+	if (error) return error;
+
+	[NSApplication sharedApplication];
+	[NSApp setActivationPolicy: NSApplicationActivationPolicyRegular];
+	[NSApp setDelegate: [Delegate new]];
+
+	NSString *name = [[NSProcessInfo processInfo] processName];
+	NSMenu *menu = [NSMenu new];
+	[
+		menu
+		addItemWithTitle: @"Close Window"
+		action: @selector(performClose:)
+		keyEquivalent: @"w"
+	];
+	[menu addItem: [NSMenuItem separatorItem]];
+	[
+		menu
+		addItemWithTitle: [@"Quit " stringByAppendingString: name]
+		action: @selector(terminate:)
+		keyEquivalent: @"q"
+	];
+	NSMenuItem *menuItem = [NSMenuItem new];
+	[menuItem setSubmenu: menu];
+	[NSApp setMainMenu: [NSMenu new]];
+	[[NSApp mainMenu] addItem: menuItem];
+
+	NSUInteger style = NSTitledWindowMask
+		| NSClosableWindowMask
+		| NSMiniaturizableWindowMask
+		| NSResizableWindowMask;
+	NSWindow *window = [
+		[NSWindow alloc]
+		initWithContentRect: NSMakeRect(0, 0, 800, 600)
+		styleMask: style
+		backing: NSBackingStoreBuffered
+		defer: YES
+	];
+	[window center];
+
+	BufferView *view = [[BufferView alloc] initWithFrame: [window frame]];
+	[window setContentView: view];
+	[view setWindowTitle];
+
+	[window makeKeyAndOrderFront: nil];
+	[NSApp activateIgnoringOtherApps: YES];
+	[NSApp run];
 }
diff --git a/bin/gfx/fb.c b/bin/gfx/fb.c
index 94a3245e..7ee5fea1 100644
--- a/bin/gfx/fb.c
+++ b/bin/gfx/fb.c
@@ -32,56 +32,56 @@
 
 static struct termios saveTerm;
 static void restoreTerm(void) {
-    tcsetattr(STDERR_FILENO, TCSADRAIN, &saveTerm);
+	tcsetattr(STDERR_FILENO, TCSADRAIN, &saveTerm);
 }
 
 int main(int argc, char *argv[]) {
-    int error;
+	int error;
 
-    error = init(argc, argv);
-    if (error) return error;
+	error = init(argc, argv);
+	if (error) return error;
 
-    const char *path = getenv("FRAMEBUFFER");
-    if (!path) path = "/dev/fb0";
+	const char *path = getenv("FRAMEBUFFER");
+	if (!path) path = "/dev/fb0";
 
-    int fb = open(path, O_RDWR);
-    if (fb < 0) err(EX_OSFILE, "%s", path);
+	int fb = open(path, O_RDWR);
+	if (fb < 0) err(EX_OSFILE, "%s", path);
 
-    struct fb_var_screeninfo info;
-    error = ioctl(fb, FBIOGET_VSCREENINFO, &info);
-    if (error) err(EX_IOERR, "%s", path);
+	struct fb_var_screeninfo info;
+	error = ioctl(fb, FBIOGET_VSCREENINFO, &info);
+	if (error) err(EX_IOERR, "%s", path);
 
-    size_t size = 4 * info.xres * info.yres;
-    uint32_t *buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fb, 0);
-    if (buf == MAP_FAILED) err(EX_IOERR, "%s", path);
+	size_t size = 4 * info.xres * info.yres;
+	uint32_t *buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fb, 0);
+	if (buf == MAP_FAILED) err(EX_IOERR, "%s", path);
 
-    error = tcgetattr(STDERR_FILENO, &saveTerm);
-    if (error) err(EX_IOERR, "tcgetattr");
-    atexit(restoreTerm);
+	error = tcgetattr(STDERR_FILENO, &saveTerm);
+	if (error) err(EX_IOERR, "tcgetattr");
+	atexit(restoreTerm);
 
-    struct termios term = saveTerm;
-    term.c_lflag &= ~(ICANON | ECHO);
-    error = tcsetattr(STDERR_FILENO, TCSADRAIN, &term);
-    if (error) err(EX_IOERR, "tcsetattr");
+	struct termios term = saveTerm;
+	term.c_lflag &= ~(ICANON | ECHO);
+	error = tcsetattr(STDERR_FILENO, TCSADRAIN, &term);
+	if (error) err(EX_IOERR, "tcsetattr");
 
-    uint32_t saveBg = buf[0];
+	uint32_t saveBg = buf[0];
 
-    uint32_t back[info.xres * info.yres];
-    for (;;) {
-        draw(back, info.xres, info.yres);
-        memcpy(buf, back, size);
+	uint32_t back[info.xres * info.yres];
+	for (;;) {
+		draw(back, info.xres, info.yres);
+		memcpy(buf, back, size);
 
-        char in;
-        ssize_t len = read(STDERR_FILENO, &in, 1);
-        if (len < 0) err(EX_IOERR, "read");
-        if (!len) return EX_DATAERR;
+		char in;
+		ssize_t len = read(STDERR_FILENO, &in, 1);
+		if (len < 0) err(EX_IOERR, "read");
+		if (!len) return EX_DATAERR;
 
-        if (!input(in)) {
-            for (uint32_t i = 0; i < info.xres * info.yres; ++i) {
-                buf[i] = saveBg;
-            }
-            fprintf(stderr, "%s\n", status());
-            return EX_OK;
-        }
-    }
+		if (!input(in)) {
+			for (uint32_t i = 0; i < info.xres * info.yres; ++i) {
+				buf[i] = saveBg;
+			}
+			fprintf(stderr, "%s\n", status());
+			return EX_OK;
+		}
+	}
 }
diff --git a/bin/gfx/none.c b/bin/gfx/none.c
index 6decb24b..eb06d285 100644
--- a/bin/gfx/none.c
+++ b/bin/gfx/none.c
@@ -20,5 +20,5 @@
 #include "gfx.h"
 
 int main() {
-    errx(EX_CONFIG, "no gfx frontend");
+	errx(EX_CONFIG, "no gfx frontend");
 }
diff --git a/bin/gfx/x11.c b/bin/gfx/x11.c
index c1e6babd..95f08949 100644
--- a/bin/gfx/x11.c
+++ b/bin/gfx/x11.c
@@ -40,96 +40,96 @@ static size_t pixmapHeight;
 static Pixmap pixmap;
 
 static void createWindow(void) {
-    display = XOpenDisplay(NULL);
-    if (!display) errx(EX_UNAVAILABLE, "XOpenDisplay: %s", XDisplayName(NULL));
+	display = XOpenDisplay(NULL);
+	if (!display) errx(EX_UNAVAILABLE, "XOpenDisplay: %s", XDisplayName(NULL));
 
-    Window root = DefaultRootWindow(display);
-    window = XCreateSimpleWindow(display, root, 0, 0, width, height, 0, 0, 0);
+	Window root = DefaultRootWindow(display);
+	window = XCreateSimpleWindow(display, root, 0, 0, width, height, 0, 0, 0);
 
-    WM_DELETE_WINDOW = XInternAtom(display, "WM_DELETE_WINDOW", false);
-    XSetWMProtocols(display, window, &WM_DELETE_WINDOW, 1);
+	WM_DELETE_WINDOW = XInternAtom(display, "WM_DELETE_WINDOW", false);
+	XSetWMProtocols(display, window, &WM_DELETE_WINDOW, 1);
 
-    windowGc = XCreateGC(display, window, 0, NULL);
+	windowGc = XCreateGC(display, window, 0, NULL);
 
-    image = XCreateImage(display, NULL, 24, ZPixmap, 0, NULL, width, height, 32, 0);
+	image = XCreateImage(display, NULL, 24, ZPixmap, 0, NULL, width, height, 32, 0);
 }
 
 static void resizePixmap(void) {
-    size_t newSize = 4 * width * height;
-    if (newSize > bufSize) {
-        bufSize = newSize;
-        free(buf);
-        buf = malloc(bufSize);
-        if (!buf) err(EX_OSERR, "malloc(%zu)", bufSize);
-    }
-
-    image->data = (char *)buf;
-    image->width = width;
-    image->height = height;
-    image->bytes_per_line = 4 * width;
-
-    if (width > pixmapWidth || height > pixmapHeight) {
-        pixmapWidth = width;
-        pixmapHeight = height;
-        if (pixmap) XFreePixmap(display, pixmap);
-        pixmap = XCreatePixmap(display, window, pixmapWidth, pixmapHeight, 24);
-    }
+	size_t newSize = 4 * width * height;
+	if (newSize > bufSize) {
+		bufSize = newSize;
+		free(buf);
+		buf = malloc(bufSize);
+		if (!buf) err(EX_OSERR, "malloc(%zu)", bufSize);
+	}
+
+	image->data = (char *)buf;
+	image->width = width;
+	image->height = height;
+	image->bytes_per_line = 4 * width;
+
+	if (width > pixmapWidth || height > pixmapHeight) {
+		pixmapWidth = width;
+		pixmapHeight = height;
+		if (pixmap) XFreePixmap(display, pixmap);
+		pixmap = XCreatePixmap(display, window, pixmapWidth, pixmapHeight, 24);
+	}
 }
 
 static void drawWindow(void) {
-    draw(buf, width, height);
-    XPutImage(display, pixmap, windowGc, image, 0, 0, 0, 0, width, height);
-    XCopyArea(display, pixmap, window, windowGc, 0, 0, width, height, 0, 0);
+	draw(buf, width, height);
+	XPutImage(display, pixmap, windowGc, image, 0, 0, 0, 0, width, height);
+	XCopyArea(display, pixmap, window, windowGc, 0, 0, width, height, 0, 0);
 }
 
 int main(int argc, char *argv[]) {
-    int error = init(argc, argv);
-    if (error) return error;
-
-    createWindow();
-    resizePixmap();
-    drawWindow();
-
-    XStoreName(display, window, status());
-    XMapWindow(display, window);
-
-    XEvent event;
-    XSelectInput(display, window, ExposureMask | StructureNotifyMask | KeyPressMask);
-    for (;;) {
-        XNextEvent(display, &event);
-
-        switch (event.type) {
-            case KeyPress: {
-                XKeyEvent key = event.xkey;
-                KeySym sym = XLookupKeysym(&key, key.state & ShiftMask);
-                if (sym > 0x80) break;
-                if (!input(sym)) return EX_OK;
-                drawWindow();
-                XStoreName(display, window, status());
-            } break;
-
-            case ConfigureNotify: {
-                XConfigureEvent configure = event.xconfigure;
-                width = configure.width;
-                height = configure.height;
-                resizePixmap();
-                drawWindow();
-            } break;
-
-            case Expose: {
-                XExposeEvent expose = event.xexpose;
-                XCopyArea(
-                    display, pixmap, window, windowGc,
-                    expose.x, expose.y,
-                    expose.width, expose.height,
-                    expose.x, expose.y
-                );
-            } break;
-
-            case ClientMessage: {
-                XClientMessageEvent client = event.xclient;
-                if ((Atom)client.data.l[0] == WM_DELETE_WINDOW) return EX_OK;
-            } break;
-        }
-    }
+	int error = init(argc, argv);
+	if (error) return error;
+
+	createWindow();
+	resizePixmap();
+	drawWindow();
+
+	XStoreName(display, window, status());
+	XMapWindow(display, window);
+
+	XEvent event;
+	XSelectInput(display, window, ExposureMask | StructureNotifyMask | KeyPressMask);
+	for (;;) {
+		XNextEvent(display, &event);
+
+		switch (event.type) {
+			case KeyPress: {
+				XKeyEvent key = event.xkey;
+				KeySym sym = XLookupKeysym(&key, key.state & ShiftMask);
+				if (sym > 0x80) break;
+				if (!input(sym)) return EX_OK;
+				drawWindow();
+				XStoreName(display, window, status());
+			} break;
+
+			case ConfigureNotify: {
+				XConfigureEvent configure = event.xconfigure;
+				width = configure.width;
+				height = configure.height;
+				resizePixmap();
+				drawWindow();
+			} break;
+
+			case Expose: {
+				XExposeEvent expose = event.xexpose;
+				XCopyArea(
+					display, pixmap, window, windowGc,
+					expose.x, expose.y,
+					expose.width, expose.height,
+					expose.x, expose.y
+				);
+			} break;
+
+			case ClientMessage: {
+				XClientMessageEvent client = event.xclient;
+				if ((Atom)client.data.l[0] == WM_DELETE_WINDOW) return EX_OK;
+			} break;
+		}
+	}
 }
diff --git a/bin/gfxx.c b/bin/gfxx.c
index 1d6f57cb..0843e05e 100644
--- a/bin/gfxx.c
+++ b/bin/gfxx.c
@@ -38,17 +38,17 @@
 #define GRAY(n) RGB(n, n, n)
 
 static enum {
-    COLOR_INDEXED,
-    COLOR_GRAYSCALE,
-    COLOR_RGB,
-    COLOR__COUNT,
+	COLOR_INDEXED,
+	COLOR_GRAYSCALE,
+	COLOR_RGB,
+	COLOR__COUNT,
 } space = COLOR_RGB;
 static const char *COLOR__STR[COLOR__COUNT] = { "indexed", "grayscale", "rgb" };
 static uint32_t palette[256];
 
 static enum {
-    ENDIAN_LITTLE,
-    ENDIAN_BIG,
+	ENDIAN_LITTLE,
+	ENDIAN_BIG,
 } byteOrder, bitOrder;
 
 enum { PAD, R, G, B };
@@ -68,425 +68,425 @@ static size_t size;
 static uint8_t *data;
 
 int init(int argc, char *argv[]) {
-    const char *pal = NULL;
-    const char *path = NULL;
-
-    int opt;
-    while (0 < (opt = getopt(argc, argv, "c:p:b:e:E:n:fmw:z:o:"))) {
-        switch (opt) {
-            case 'c': switch (optarg[0]) {
-                case 'i': space = COLOR_INDEXED; break;
-                case 'g': space = COLOR_GRAYSCALE; break;
-                case 'r': space = COLOR_RGB; break;
-                default: return EX_USAGE;
-            } break;
-            case 'p': pal = optarg; break;
-            case 'e': switch (optarg[0]) {
-                case 'l': byteOrder = ENDIAN_LITTLE; break;
-                case 'b': byteOrder = ENDIAN_BIG; break;
-                default: return EX_USAGE;
-            } break;
-            case 'E': switch (optarg[0]) {
-                case 'l': bitOrder = ENDIAN_LITTLE; break;
-                case 'b': bitOrder = ENDIAN_BIG; break;
-                default: return EX_USAGE;
-            } break;
-            case 'b': {
-                if (strlen(optarg) < 4) return EX_USAGE;
-                for (int i = 0; i < 4; ++i) {
-                    bits[i] = optarg[i] - '0';
-                }
-            } break;
-            case 'n': offset  = strtoul(optarg, NULL, 0); break;
-            case 'f': flip   ^= true; break;
-            case 'm': mirror ^= true; break;
-            case 'w': width   = strtoul(optarg, NULL, 0); break;
-            case 'z': scale   = strtoul(optarg, NULL, 0); break;
-            case 'o': prefix  = optarg; break;
-            default: return EX_USAGE;
-        }
-    }
-    if (argc > optind) path = argv[optind];
-    if (!width || !scale) return EX_USAGE;
-
-    if (pal) {
-        FILE *file = fopen(pal, "r");
-        if (!file) err(EX_NOINPUT, "%s", pal);
-        fread(palette, 4, 256, file);
-        if (ferror(file)) err(EX_IOERR, "%s", pal);
-        fclose(file);
-    } else {
-        for (int i = 0; i < 256; ++i) {
-            double h = i / 256.0 * 6.0;
-            double x = 1.0 - fabs(fmod(h, 2.0) - 1.0);
-            double r = 255.0, g = 255.0, b = 255.0;
-            if      (h <= 1.0) { g *= x; b = 0.0; }
-            else if (h <= 2.0) { r *= x; b = 0.0; }
-            else if (h <= 3.0) { r = 0.0; b *= x; }
-            else if (h <= 4.0) { r = 0.0; g *= x; }
-            else if (h <= 5.0) { r *= x; g = 0.0; }
-            else if (h <= 6.0) { g = 0.0; b *= x; }
-            palette[i] = (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b;
-        }
-    }
-
-    if (path) {
-        int fd = open(path, O_RDONLY);
-        if (fd < 0) err(EX_NOINPUT, "%s", path);
-
-        struct stat stat;
-        int error = fstat(fd, &stat);
-        if (error) err(EX_IOERR, "%s", path);
-        size = stat.st_size;
-
-        data = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
-        if (data == MAP_FAILED) err(EX_IOERR, "%s", path);
-
-    } else {
-        size = 1024 * 1024;
-        data = malloc(size);
-        if (!data) err(EX_OSERR, "malloc(%zu)", size);
-
-        size = fread(data, 1, size, stdin);
-        if (ferror(stdin)) err(EX_IOERR, "(stdin)");
-    }
-
-    return EX_OK;
+	const char *pal = NULL;
+	const char *path = NULL;
+
+	int opt;
+	while (0 < (opt = getopt(argc, argv, "c:p:b:e:E:n:fmw:z:o:"))) {
+		switch (opt) {
+			case 'c': switch (optarg[0]) {
+				case 'i': space = COLOR_INDEXED; break;
+				case 'g': space = COLOR_GRAYSCALE; break;
+				case 'r': space = COLOR_RGB; break;
+				default: return EX_USAGE;
+			} break;
+			case 'p': pal = optarg; break;
+			case 'e': switch (optarg[0]) {
+				case 'l': byteOrder = ENDIAN_LITTLE; break;
+				case 'b': byteOrder = ENDIAN_BIG; break;
+				default: return EX_USAGE;
+			} break;
+			case 'E': switch (optarg[0]) {
+				case 'l': bitOrder = ENDIAN_LITTLE; break;
+				case 'b': bitOrder = ENDIAN_BIG; break;
+				default: return EX_USAGE;
+			} break;
+			case 'b': {
+				if (strlen(optarg) < 4) return EX_USAGE;
+				for (int i = 0; i < 4; ++i) {
+					bits[i] = optarg[i] - '0';
+				}
+			} break;
+			case 'n': offset  = strtoul(optarg, NULL, 0); break;
+			case 'f': flip   ^= true; break;
+			case 'm': mirror ^= true; break;
+			case 'w': width   = strtoul(optarg, NULL, 0); break;
+			case 'z': scale   = strtoul(optarg, NULL, 0); break;
+			case 'o': prefix  = optarg; break;
+			default: return EX_USAGE;
+		}
+	}
+	if (argc > optind) path = argv[optind];
+	if (!width || !scale) return EX_USAGE;
+
+	if (pal) {
+		FILE *file = fopen(pal, "r");
+		if (!file) err(EX_NOINPUT, "%s", pal);
+		fread(palette, 4, 256, file);
+		if (ferror(file)) err(EX_IOERR, "%s", pal);
+		fclose(file);
+	} else {
+		for (int i = 0; i < 256; ++i) {
+			double h = i / 256.0 * 6.0;
+			double x = 1.0 - fabs(fmod(h, 2.0) - 1.0);
+			double r = 255.0, g = 255.0, b = 255.0;
+			if      (h <= 1.0) { g *= x; b = 0.0; }
+			else if (h <= 2.0) { r *= x; b = 0.0; }
+			else if (h <= 3.0) { r = 0.0; b *= x; }
+			else if (h <= 4.0) { r = 0.0; g *= x; }
+			else if (h <= 5.0) { r *= x; g = 0.0; }
+			else if (h <= 6.0) { g = 0.0; b *= x; }
+			palette[i] = (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b;
+		}
+	}
+
+	if (path) {
+		int fd = open(path, O_RDONLY);
+		if (fd < 0) err(EX_NOINPUT, "%s", path);
+
+		struct stat stat;
+		int error = fstat(fd, &stat);
+		if (error) err(EX_IOERR, "%s", path);
+		size = stat.st_size;
+
+		data = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+		if (data == MAP_FAILED) err(EX_IOERR, "%s", path);
+
+	} else {
+		size = 1024 * 1024;
+		data = malloc(size);
+		if (!data) err(EX_OSERR, "malloc(%zu)", size);
+
+		size = fread(data, 1, size, stdin);
+		if (ferror(stdin)) err(EX_IOERR, "(stdin)");
+	}
+
+	return EX_OK;
 }
 
 static char options[128];
 static void formatOptions(void) {
-    snprintf(
-        options, sizeof(options),
-        "gfxx -c %s -e%c -E%c -b %hhu%hhu%hhu%hhu -n 0x%zX %s%s-w %zu -z %zu",
-        COLOR__STR[space],
-        "lb"[byteOrder],
-        "lb"[bitOrder],
-        bits[PAD], bits[R], bits[G], bits[B],
-        offset,
-        flip ? "-f " : "",
-        mirror ? "-m " : "",
-        width,
-        scale
-    );
+	snprintf(
+		options, sizeof(options),
+		"gfxx -c %s -e%c -E%c -b %hhu%hhu%hhu%hhu -n 0x%zX %s%s-w %zu -z %zu",
+		COLOR__STR[space],
+		"lb"[byteOrder],
+		"lb"[bitOrder],
+		bits[PAD], bits[R], bits[G], bits[B],
+		offset,
+		flip ? "-f " : "",
+		mirror ? "-m " : "",
+		width,
+		scale
+	);
 }
 
 const char *status(void) {
-    formatOptions();
-    return options;
+	formatOptions();
+	return options;
 }
 
 struct Iter {
-    uint32_t *buf;
-    size_t bufWidth;
-    size_t bufHeight;
-    size_t left;
-    size_t x;
-    size_t y;
+	uint32_t *buf;
+	size_t bufWidth;
+	size_t bufHeight;
+	size_t left;
+	size_t x;
+	size_t y;
 };
 
 static struct Iter iter(uint32_t *buf, size_t bufWidth, size_t bufHeight) {
-    struct Iter it = { .buf = buf, .bufWidth = bufWidth, .bufHeight = bufHeight };
-    if (mirror) it.x = width - 1;
-    if (flip) it.y = bufHeight / scale - 1;
-    return it;
+	struct Iter it = { .buf = buf, .bufWidth = bufWidth, .bufHeight = bufHeight };
+	if (mirror) it.x = width - 1;
+	if (flip) it.y = bufHeight / scale - 1;
+	return it;
 }
 
 static bool nextX(struct Iter *it) {
-    if (mirror) {
-        if (it->x == it->left) return false;
-        it->x--;
-    } else {
-        it->x++;
-        if (it->x == it->left + width) return false;
-    }
-    return true;
+	if (mirror) {
+		if (it->x == it->left) return false;
+		it->x--;
+	} else {
+		it->x++;
+		if (it->x == it->left + width) return false;
+	}
+	return true;
 }
 
 static bool nextY(struct Iter *it) {
-    if (flip) {
-        if (it->y == 0) {
-            it->left += width;
-            it->y = it->bufHeight / scale;
-        }
-        it->y--;
-    } else {
-        it->y++;
-        if (it->y == it->bufHeight / scale) {
-            it->left += width;
-            it->y = 0;
-        }
-    }
-    it->x = it->left;
-    if (mirror) it->x += width - 1;
-    return (it->left < it->bufWidth / scale);
+	if (flip) {
+		if (it->y == 0) {
+			it->left += width;
+			it->y = it->bufHeight / scale;
+		}
+		it->y--;
+	} else {
+		it->y++;
+		if (it->y == it->bufHeight / scale) {
+			it->left += width;
+			it->y = 0;
+		}
+	}
+	it->x = it->left;
+	if (mirror) it->x += width - 1;
+	return (it->left < it->bufWidth / scale);
 }
 
 static bool next(struct Iter *it) {
-    return nextX(it) || nextY(it);
+	return nextX(it) || nextY(it);
 }
 
 static void put(const struct Iter *it, uint32_t pixel) {
-    size_t scaledX = it->x * scale;
-    size_t scaledY = it->y * scale;
-    for (size_t fillY = scaledY; fillY < scaledY + scale; ++fillY) {
-        if (fillY >= it->bufHeight) break;
-        for (size_t fillX = scaledX; fillX < scaledX + scale; ++fillX) {
-            if (fillX >= it->bufWidth) break;
-            it->buf[fillY * it->bufWidth + fillX] = pixel;
-        }
-    }
+	size_t scaledX = it->x * scale;
+	size_t scaledY = it->y * scale;
+	for (size_t fillY = scaledY; fillY < scaledY + scale; ++fillY) {
+		if (fillY >= it->bufHeight) break;
+		for (size_t fillX = scaledX; fillX < scaledX + scale; ++fillX) {
+			if (fillX >= it->bufWidth) break;
+			it->buf[fillY * it->bufWidth + fillX] = pixel;
+		}
+	}
 }
 
 static uint8_t interp(uint8_t b, uint32_t n) {
-    if (b == 8) return n;
-    if (b == 0) return 0;
-    return n * MASK(8) / MASK(b);
+	if (b == 8) return n;
+	if (b == 0) return 0;
+	return n * MASK(8) / MASK(b);
 }
 
 static uint32_t interpolate(uint32_t rgb) {
-    uint32_t r, g, b;
-    if (bitOrder == ENDIAN_LITTLE) {
-        b = rgb & MASK(bits[B]);
-        g = (rgb >>= bits[B]) & MASK(bits[G]);
-        r = (rgb >>= bits[G]) & MASK(bits[R]);
-    } else {
-        r = rgb & MASK(bits[R]);
-        g = (rgb >>= bits[R]) & MASK(bits[G]);
-        b = (rgb >>= bits[G]) & MASK(bits[B]);
-    }
-    return RGB(interp(bits[R], r), interp(bits[G], g), interp(bits[B], b));
+	uint32_t r, g, b;
+	if (bitOrder == ENDIAN_LITTLE) {
+		b = rgb & MASK(bits[B]);
+		g = (rgb >>= bits[B]) & MASK(bits[G]);
+		r = (rgb >>= bits[G]) & MASK(bits[R]);
+	} else {
+		r = rgb & MASK(bits[R]);
+		g = (rgb >>= bits[R]) & MASK(bits[G]);
+		b = (rgb >>= bits[G]) & MASK(bits[B]);
+	}
+	return RGB(interp(bits[R], r), interp(bits[G], g), interp(bits[B], b));
 }
 
 static void drawBits(struct Iter *it) {
-    for (size_t i = offset; i < size; ++i) {
-        for (uint8_t b = 0; b < 8; b += BITS_TOTAL) {
-            uint8_t n;
-            if (byteOrder == ENDIAN_BIG) {
-                n = data[i] >> (8 - BITS_TOTAL - b) & MASK(BITS_TOTAL);
-            } else {
-                n = data[i] >> b & MASK(BITS_TOTAL);
-            }
-
-            if (space == COLOR_INDEXED) {
-                put(it, palette[n]);
-            } else if (space == COLOR_GRAYSCALE) {
-                put(it, GRAY(interp(BITS_COLOR, n & MASK(BITS_COLOR))));
-            } else if (space == COLOR_RGB) {
-                put(it, interpolate(n));
-            }
-
-            if (!next(it)) return;
-        }
-    }
+	for (size_t i = offset; i < size; ++i) {
+		for (uint8_t b = 0; b < 8; b += BITS_TOTAL) {
+			uint8_t n;
+			if (byteOrder == ENDIAN_BIG) {
+				n = data[i] >> (8 - BITS_TOTAL - b) & MASK(BITS_TOTAL);
+			} else {
+				n = data[i] >> b & MASK(BITS_TOTAL);
+			}
+
+			if (space == COLOR_INDEXED) {
+				put(it, palette[n]);
+			} else if (space == COLOR_GRAYSCALE) {
+				put(it, GRAY(interp(BITS_COLOR, n & MASK(BITS_COLOR))));
+			} else if (space == COLOR_RGB) {
+				put(it, interpolate(n));
+			}
+
+			if (!next(it)) return;
+		}
+	}
 }
 
 static void drawBytes(struct Iter *it) {
-    uint8_t bytes = (BITS_TOTAL + 7) / 8;
-    for (size_t i = offset; i + bytes <= size; i += bytes) {
-        uint32_t n = 0;
-        for (size_t b = 0; b < bytes; ++b) {
-            n <<= 8;
-            n |= (byteOrder == ENDIAN_BIG) ? data[i + b] : data[i + bytes - b - 1];
-        }
-
-        if (space == COLOR_INDEXED) {
-            put(it, palette[n & 0xFF]);
-        } else if (space == COLOR_GRAYSCALE) {
-            put(it, GRAY(interp(BITS_COLOR, n & MASK(BITS_COLOR))));
-        } else if (space == COLOR_RGB) {
-            put(it, interpolate(n));
-        }
-
-        if (!next(it)) return;
-    }
+	uint8_t bytes = (BITS_TOTAL + 7) / 8;
+	for (size_t i = offset; i + bytes <= size; i += bytes) {
+		uint32_t n = 0;
+		for (size_t b = 0; b < bytes; ++b) {
+			n <<= 8;
+			n |= (byteOrder == ENDIAN_BIG) ? data[i + b] : data[i + bytes - b - 1];
+		}
+
+		if (space == COLOR_INDEXED) {
+			put(it, palette[n & 0xFF]);
+		} else if (space == COLOR_GRAYSCALE) {
+			put(it, GRAY(interp(BITS_COLOR, n & MASK(BITS_COLOR))));
+		} else if (space == COLOR_RGB) {
+			put(it, interpolate(n));
+		}
+
+		if (!next(it)) return;
+	}
 }
 
 static struct {
-    unsigned counter;
-    char path[FILENAME_MAX];
-    FILE *file;
+	unsigned counter;
+	char path[FILENAME_MAX];
+	FILE *file;
 } out;
 static void outOpen(const char *ext) {
-    snprintf(out.path, sizeof(out.path), "%s%04u.%s", prefix, ++out.counter, ext);
-    out.file = fopen(out.path, "wx");
-    if (out.file) {
-        printf("%s\n", out.path);
-    } else {
-        warn("%s", out.path);
-    }
+	snprintf(out.path, sizeof(out.path), "%s%04u.%s", prefix, ++out.counter, ext);
+	out.file = fopen(out.path, "wx");
+	if (out.file) {
+		printf("%s\n", out.path);
+	} else {
+		warn("%s", out.path);
+	}
 }
 
 static uint32_t crc;
 static void pngWrite(const void *ptr, size_t size) {
-    fwrite(ptr, size, 1, out.file);
-    if (ferror(out.file)) err(EX_IOERR, "%s", out.path);
-    crc = crc32(crc, ptr, size);
+	fwrite(ptr, size, 1, out.file);
+	if (ferror(out.file)) err(EX_IOERR, "%s", out.path);
+	crc = crc32(crc, ptr, size);
 }
 static void pngUint(uint32_t host) {
-    uint32_t net = htonl(host);
-    pngWrite(&net, 4);
+	uint32_t net = htonl(host);
+	pngWrite(&net, 4);
 }
 static void pngChunk(const char *type, uint32_t size) {
-    pngUint(size);
-    crc = crc32(0, Z_NULL, 0);
-    pngWrite(type, 4);
+	pngUint(size);
+	crc = crc32(0, Z_NULL, 0);
+	pngWrite(type, 4);
 }
 
 static void pngDump(uint32_t *src, size_t srcWidth, size_t srcHeight) {
-    int error;
-
-    size_t stride = 1 + 3 * srcWidth;
-    uint8_t data[stride * srcHeight];
-    for (size_t y = 0; y < srcHeight; ++y) {
-        data[y * stride] = 0;
-        for (size_t x = 0; x < srcWidth; ++x) {
-            uint8_t *p = &data[y * stride + 1 + 3 * x];
-            p[0] = src[y * srcWidth + x] >> 16;
-            p[1] = src[y * srcWidth + x] >> 8;
-            p[2] = src[y * srcWidth + x];
-        }
-    }
-
-    uLong deflateSize = compressBound(sizeof(data));
-    uint8_t deflate[deflateSize];
-    error = compress(deflate, &deflateSize, data, sizeof(data));
-    if (error != Z_OK) errx(EX_SOFTWARE, "compress: %d", error);
-
-    outOpen("png");
-    if (!out.file) return;
-
-    const uint8_t SIGNATURE[] = { 0x89, 'P', 'N', 'G', '\r', '\n', 0x1A, '\n' };
-    const uint8_t HEADER[] = { 8, 2, 0, 0, 0 }; // 8-bit truecolor
-    const char SOFTWARE[] = "Software";
-    formatOptions();
-    uint8_t sbit[3] = { MAX(bits[R], 1), MAX(bits[G], 1), MAX(bits[B], 1) };
-
-    pngWrite(SIGNATURE, sizeof(SIGNATURE));
-
-    pngChunk("IHDR", 4 + 4 + sizeof(HEADER));
-    pngUint(srcWidth);
-    pngUint(srcHeight);
-    pngWrite(HEADER, sizeof(HEADER));
-    pngUint(crc);
-
-    pngChunk("tEXt", sizeof(SOFTWARE) + strlen(options));
-    pngWrite(SOFTWARE, sizeof(SOFTWARE));
-    pngWrite(options, strlen(options));
-    pngUint(crc);
-
-    pngChunk("sBIT", sizeof(sbit));
-    pngWrite(sbit, sizeof(sbit));
-    pngUint(crc);
-
-    pngChunk("IDAT", deflateSize);
-    pngWrite(deflate, deflateSize);
-    pngUint(crc);
-
-    pngChunk("IEND", 0);
-    pngUint(crc);
-
-    error = fclose(out.file);
-    if (error) err(EX_IOERR, "%s", out.path);
+	int error;
+
+	size_t stride = 1 + 3 * srcWidth;
+	uint8_t data[stride * srcHeight];
+	for (size_t y = 0; y < srcHeight; ++y) {
+		data[y * stride] = 0;
+		for (size_t x = 0; x < srcWidth; ++x) {
+			uint8_t *p = &data[y * stride + 1 + 3 * x];
+			p[0] = src[y * srcWidth + x] >> 16;
+			p[1] = src[y * srcWidth + x] >> 8;
+			p[2] = src[y * srcWidth + x];
+		}
+	}
+
+	uLong deflateSize = compressBound(sizeof(data));
+	uint8_t deflate[deflateSize];
+	error = compress(deflate, &deflateSize, data, sizeof(data));
+	if (error != Z_OK) errx(EX_SOFTWARE, "compress: %d", error);
+
+	outOpen("png");
+	if (!out.file) return;
+
+	const uint8_t SIGNATURE[] = { 0x89, 'P', 'N', 'G', '\r', '\n', 0x1A, '\n' };
+	const uint8_t HEADER[] = { 8, 2, 0, 0, 0 }; // 8-bit truecolor
+	const char SOFTWARE[] = "Software";
+	formatOptions();
+	uint8_t sbit[3] = { MAX(bits[R], 1), MAX(bits[G], 1), MAX(bits[B], 1) };
+
+	pngWrite(SIGNATURE, sizeof(SIGNATURE));
+
+	pngChunk("IHDR", 4 + 4 + sizeof(HEADER));
+	pngUint(srcWidth);
+	pngUint(srcHeight);
+	pngWrite(HEADER, sizeof(HEADER));
+	pngUint(crc);
+
+	pngChunk("tEXt", sizeof(SOFTWARE) + strlen(options));
+	pngWrite(SOFTWARE, sizeof(SOFTWARE));
+	pngWrite(options, strlen(options));
+	pngUint(crc);
+
+	pngChunk("sBIT", sizeof(sbit));
+	pngWrite(sbit, sizeof(sbit));
+	pngUint(crc);
+
+	pngChunk("IDAT", deflateSize);
+	pngWrite(deflate, deflateSize);
+	pngUint(crc);
+
+	pngChunk("IEND", 0);
+	pngUint(crc);
+
+	error = fclose(out.file);
+	if (error) err(EX_IOERR, "%s", out.path);
 }
 
 static enum {
-    DUMP_NONE,
-    DUMP_ONE,
-    DUMP_ALL,
+	DUMP_NONE,
+	DUMP_ONE,
+	DUMP_ALL,
 } dump;
 
 void draw(uint32_t *buf, size_t bufWidth, size_t bufHeight) {
-    memset(buf, 0, 4 * bufWidth * bufHeight);
-    struct Iter it = iter(buf, bufWidth, bufHeight);
-    if (BITS_TOTAL >= 8) {
-        drawBytes(&it);
-    } else {
-        drawBits(&it);
-    }
-    if (dump) pngDump(buf, bufWidth, bufHeight);
-    if (dump == DUMP_ONE) dump = DUMP_NONE;
+	memset(buf, 0, 4 * bufWidth * bufHeight);
+	struct Iter it = iter(buf, bufWidth, bufHeight);
+	if (BITS_TOTAL >= 8) {
+		drawBytes(&it);
+	} else {
+		drawBits(&it);
+	}
+	if (dump) pngDump(buf, bufWidth, bufHeight);
+	if (dump == DUMP_ONE) dump = DUMP_NONE;
 }
 
 static void palSample(void) {
-    size_t temp = scale;
-    scale = 1;
-    draw(palette, 256, 1);
-    scale = temp;
+	size_t temp = scale;
+	scale = 1;
+	draw(palette, 256, 1);
+	scale = temp;
 }
 
 static void palDump(void) {
-    outOpen("dat");
-    if (!out.file) return;
+	outOpen("dat");
+	if (!out.file) return;
 
-    fwrite(palette, 4, 256, out.file);
-    if (ferror(out.file)) err(EX_IOERR, "%s", out.path);
+	fwrite(palette, 4, 256, out.file);
+	if (ferror(out.file)) err(EX_IOERR, "%s", out.path);
 
-    int error = fclose(out.file);
-    if (error) err(EX_IOERR, "%s", out.path);
+	int error = fclose(out.file);
+	if (error) err(EX_IOERR, "%s", out.path);
 }
 
 static const uint8_t PRESETS[][4] = {
-    { 0, 0, 1, 0 },
-    { 0, 1, 1, 0 },
-    { 1, 1, 1, 1 },
-    { 2, 2, 2, 2 },
-    { 0, 3, 3, 2 },
-    { 4, 4, 4, 4 },
-    { 1, 5, 5, 5 },
-    { 0, 5, 6, 5 },
-    { 0, 8, 8, 8 },
-    { 8, 8, 8, 8 },
+	{ 0, 0, 1, 0 },
+	{ 0, 1, 1, 0 },
+	{ 1, 1, 1, 1 },
+	{ 2, 2, 2, 2 },
+	{ 0, 3, 3, 2 },
+	{ 4, 4, 4, 4 },
+	{ 1, 5, 5, 5 },
+	{ 0, 5, 6, 5 },
+	{ 0, 8, 8, 8 },
+	{ 8, 8, 8, 8 },
 };
 #define PRESETS_LEN (sizeof(PRESETS) / sizeof(PRESETS[0]))
 
 static uint8_t preset = PRESETS_LEN - 1;
 static void setPreset(void) {
-    bits[PAD] = PRESETS[preset][PAD];
-    bits[R] = PRESETS[preset][R];
-    bits[G] = PRESETS[preset][G];
-    bits[B] = PRESETS[preset][B];
+	bits[PAD] = PRESETS[preset][PAD];
+	bits[R] = PRESETS[preset][R];
+	bits[G] = PRESETS[preset][G];
+	bits[B] = PRESETS[preset][B];
 }
 
 static void setBit(char in) {
-    static uint8_t bit = 0;
-    bits[bit++] = in - '0';
-    bit &= 3;
+	static uint8_t bit = 0;
+	bits[bit++] = in - '0';
+	bit &= 3;
 }
 
 bool input(char in) {
-    size_t pixel = (BITS_TOTAL + 7) / 8;
-    size_t row = width * BITS_TOTAL / 8;
-    switch (in) {
-        case 'q': return false;
-        break; case 'x': dump = DUMP_ONE;
-        break; case 'X': dump ^= DUMP_ALL;
-        break; case 'o': formatOptions(); printf("%s\n", options);
-        break; case '[': if (!space--) space = COLOR__COUNT - 1;
-        break; case ']': if (++space == COLOR__COUNT) space = 0;
-        break; case 'p': palSample();
-        break; case 'P': palDump();
-        break; case '{': if (!preset--) preset = PRESETS_LEN - 1; setPreset();
-        break; case '}': if (++preset == PRESETS_LEN) preset = 0; setPreset();
-        break; case 'e': byteOrder ^= ENDIAN_BIG;
-        break; case 'E': bitOrder ^= ENDIAN_BIG;
-        break; case 'h': if (offset) offset--;
-        break; case 'j': offset += pixel;
-        break; case 'k': if (offset >= pixel) offset -= pixel;
-        break; case 'l': offset++;
-        break; case 'H': if (offset >= row) offset -= row;
-        break; case 'J': offset += width * row;
-        break; case 'K': if (offset >= width * row) offset -= width * row;
-        break; case 'L': offset += row;
-        break; case '.': width++;
-        break; case ',': if (width > 1) width--;
-        break; case '>': width *= 2;
-        break; case '<': if (width > 1) width /= 2;
-        break; case 'f': flip ^= true;
-        break; case 'm': mirror ^= true;
-        break; case '+': scale++;
-        break; case '-': if (scale > 1) scale--;
-        break; default: if (in >= '0' && in <= '9') setBit(in);
-    }
-    return true;
+	size_t pixel = (BITS_TOTAL + 7) / 8;
+	size_t row = width * BITS_TOTAL / 8;
+	switch (in) {
+		case 'q': return false;
+				  break; case 'x': dump = DUMP_ONE;
+				  break; case 'X': dump ^= DUMP_ALL;
+				  break; case 'o': formatOptions(); printf("%s\n", options);
+				  break; case '[': if (!space--) space = COLOR__COUNT - 1;
+				  break; case ']': if (++space == COLOR__COUNT) space = 0;
+				  break; case 'p': palSample();
+				  break; case 'P': palDump();
+				  break; case '{': if (!preset--) preset = PRESETS_LEN - 1; setPreset();
+				  break; case '}': if (++preset == PRESETS_LEN) preset = 0; setPreset();
+				  break; case 'e': byteOrder ^= ENDIAN_BIG;
+				  break; case 'E': bitOrder ^= ENDIAN_BIG;
+				  break; case 'h': if (offset) offset--;
+				  break; case 'j': offset += pixel;
+				  break; case 'k': if (offset >= pixel) offset -= pixel;
+				  break; case 'l': offset++;
+				  break; case 'H': if (offset >= row) offset -= row;
+				  break; case 'J': offset += width * row;
+				  break; case 'K': if (offset >= width * row) offset -= width * row;
+				  break; case 'L': offset += row;
+				  break; case '.': width++;
+				  break; case ',': if (width > 1) width--;
+				  break; case '>': width *= 2;
+				  break; case '<': if (width > 1) width /= 2;
+				  break; case 'f': flip ^= true;
+				  break; case 'm': mirror ^= true;
+				  break; case '+': scale++;
+				  break; case '-': if (scale > 1) scale--;
+				  break; default: if (in >= '0' && in <= '9') setBit(in);
+	}
+	return true;
 }