/* * mclock.c - graphical clock for Plan 9 using draw(2) API * * Graphical image is based on a clock program for Tektronix vector * graphics displays written in PDP-11 BASIC by Dave Robinson at the * University of Delaware in the 1970s. * * 071218 - initial release * 071223 - fix window label, fix redraw after hide, add tongue */ #include <u.h>#include <libc.h>#include <draw.h>#include <event.h> int anghr, angmin, dia, offx, offy;Image *dots, *back, *blk, *wht, *red, *org, *flesh;Tm *mtime; enum   {DBIG=600,	XDarkOrange=0xff8c0000,	Xwheat=0xf5deb300}; /* hair is head[0..41*2], face is head[27*2..56*2] */int head[] = {286,386,263,410,243,417,230,415,234,426,227,443,210,450,190,448,	172,435,168,418,175,400,190,398,201,400,188,390,180,375,178,363,	172,383,157,390,143,388,130,370,125,350,130,330,140,318,154,318,	165,325,176,341,182,320,195,305,200,317,212,322,224,319,218,334,	217,350,221,370,232,382,250,389,264,387,271,380,275,372,276,381,	279,388,286,386,300,360,297,337,294,327,284,320,300,301,297,297,	282,286,267,284,257,287,254,280,249,273,236,274,225,290,195,305};int mouth[] = {235,305,233,297,235,285,243,280,250,282,252,288,248,290,235,305};int mouth1[] = {240,310,235,305,226,306};int mouth2[] = {257,287,248,290};int tongue[] = {235,285,243,280,246,281,247,286,245,289,241,291,237,294,233,294,	235,285};int tongue1[] = {241,291,241,286};int shirt[] = {200,302,192,280,176,256,170,247,186,230,210,222,225,226,237,235,	222,291,200,302};int pants[] = {199,164,203,159,202,143,189,138,172,135,160,137,160,166,151,170,	145,180,142,200,156,230,170,247,186,230,210,222,225,226,237,235,	245,205,242,190,236,176,229,182,243,153,240,150,228,142,217,145,	212,162,199,164};int eyel[] = {294,327,296,335,293,345,285,345,280,337,281,325,284,320,294,327};int eyer[] = {275,320,278,337,275,345,268,344,260,333,260,323,264,316,275,320};int pupill[] = {284,320,294,327,293,329,291,333,289,333,286,331,284,325,284,320};int pupilr[] = {265,316,275,320,275,325,273,330,271,332,269,333,267,331,265,327,	265,316};int nose[] = {285,308,288,302,294,301,298,301,302,303,305,305,308,308,309,310,	310,312,310,316,308,320,305,323,302,324,297,324,294,322,288,317,	286,312,285,308};int nose1[] = {275,313,280,317,286,319};int buttonl[] = {201,210,194,208,190,196,191,187,199,188,208,200,201,210};int buttonr[] = {224,213,221,209,221,197,228,191,232,200,230,211,224,213};int tail[] = {40,80,50,76,66,79,90,102,106,151,128,173,145,180};int cuffl[] = {202,143,197,148,188,150,160,137};int cuffr[] = {243,153,233,154,217,145};int legl[] = {239,153,244,134,243,96,229,98,231,130,226,150,233,154,239,153};int legr[] = {188,150,187,122,182,92,168,91,172,122,173,143,188,150};int shoel[] = {230,109,223,107,223,98,228,90,231,76,252,70,278,73,288,82,	284,97,271,99,251,100,244,106,230,109};int shoel1[] = {223,98,229,98,243,96,251,100};int shoel2[] = {271,99,248,89};int shoer[] = {170,102,160,100,160,92,163,85,157,82,160,73,178,66,215,63,	231,76,228,90,213,97,195,93,186,93,187,100,184,102,170,102};int shoer1[] = {160,92,168,91,182,92,186,93};int shoer2[] = {195,93,182,83};int tick1[] = {302,432,310,446};int tick2[] = {370,365,384,371};int tick3[] = {395,270,410,270};int tick4[] = {370,180,384,173};int tick5[] = {302,113,310,100};int tick7[] = {119,113,110,100};int tick8[] = {40,173,52,180};int tick9[] = {10,270,25,270};int tick10[] = {40,371,52,365};int tick11[] = {110,446,119,432};int tick12[] = {210,455,210,470};int armh[] = {-8,0,9,30,10,70,8,100,20,101,23,80,22,30,4,-5};int armm[] = {-8,0,10,80,8,130,22,134,25,80,4,-5};int handm[] = {8,140,5,129,8,130,22,134,30,137,27,143,33,163,30,168,	21,166,18,170,12,168,10,170,5,167,4,195,-4,195,-6,170,	0,154,8,140};int handm1[] = {0,154,5,167};int handm2[] = {14,167,12,158,10,152};int handm3[] = {12,158,18,152,21,166};int handm4[] = {20,156,29,151};int handh[] = {20,130,15,135,6,129,4,155,-4,155,-6,127,-8,121,4,108,	3,100,8,100,20,101,23,102,21,108,28,126,24,132,20,130};int handh1[] = {20,130,16,118}; voidxlate(int* in, Point* out, int np){	int i; 	for (i = 0; i < np; i++) {		out[i].x = offx + (dia * (in[2*i]) + 210) / 420;		out[i].y = offy + (dia * (480 - in[2*i+1]) + 210) / 420;	}} voidmyfill(int* p, int np, Image* color){	Point* out; 	out = (Point *)malloc(sizeof(Point) * np);	xlate(p, out, np);	fillpoly(screen, out, np, ~0, color, ZP);	free(out);} voidmypoly(int* p, int np, Image* color){	Point* out; 	out = (Point *)malloc(sizeof(Point) * np);	xlate(p, out, np);	poly(screen, out, np, Enddisc, Enddisc, dia>DBIG?1:0, color, ZP);	free(out);} voidarm(int* p, Point* out, int np, double angle){	int i;	double cosp, sinp; 	for (i = 0; i < np; i++) {		cosp = cos(PI * angle / 180.0);		sinp = sin(PI * angle / 180.0);		out[i].x = p[2*i] * cosp + p[2*i+1] * sinp + 210.5;		out[i].y = p[2*i+1] * cosp - p[2*i] * sinp + 270.5;	}} voidpolyarm(int *p, int np, Image *color, double angle){	Point *tmp, *out; 	tmp = (Point *)malloc(sizeof(Point) * np);	out = (Point *)malloc(sizeof(Point) * np);	arm(p, tmp, np, angle);	xlate((int*)tmp, out, np);	poly(screen, out, np, Enddisc, Enddisc, dia>DBIG?1:0, color, ZP);	free(out);	free(tmp);} voidfillarm(int *p, int np, Image *color, double angle){	Point *tmp, *out; 	tmp = (Point *)malloc(sizeof(Point) * np);	out = (Point *)malloc(sizeof(Point) * np);	arm(p, tmp, np, angle);	xlate((int*)tmp, out, np);	fillpoly(screen, out, np, ~0, color, ZP);	free(out);	free(tmp);} voidarms(void){	/* arms */	fillarm(armh, 8, blk, anghr);	fillarm(armm, 6, blk, angmin); 	/* hour hand */	fillarm(handh, 16, wht, anghr);	polyarm(handh, 16, blk, anghr);	polyarm(handh1, 2, blk, anghr); 	/* minute hand */	fillarm(handm, 18, wht, angmin);	polyarm(handm, 18, blk, angmin);	polyarm(handm1, 2, blk, angmin);	polyarm(handm2, 3, blk, angmin);	polyarm(handm3, 3, blk, angmin);	polyarm(handm4, 2, blk, angmin);} voidredraw(Image *screen){	mtime = localtime(time(0));	anghr = mtime->hour*30 + mtime->min/2;	angmin = mtime->min*6; 	dia = Dx(screen->r) < Dy(screen->r) ? Dx(screen->r) : Dy(screen->r);	offx = screen->r.min.x + (Dx(screen->r) - dia) / 2;	offy = screen->r.min.y + (Dy(screen->r) - dia) / 2; 	draw(screen, screen->r, back, nil, ZP); 	/* first draw the filled areas */	myfill(head, 42, blk);  /* hair */	myfill(&head[27*2], 29, flesh);  /* face */	myfill(mouth, 8, blk);	myfill(tongue, 9, red);	myfill(shirt, 10, blk);	myfill(pants, 26, red);	myfill(buttonl, 7, wht);	myfill(buttonr, 7, wht);	myfill(eyel, 8, wht);	myfill(eyer, 8, wht);	myfill(pupill, 8, blk);	myfill(pupilr, 9, blk);	myfill(nose, 18, blk);	myfill(shoel, 13, org);	myfill(shoer, 16, org);	myfill(legl, 8, blk);	myfill(legr, 7, blk); 	/* outline the color-filled areas */	mypoly(&head[27*2], 29, blk);  /* face */	mypoly(tongue, 9, blk);	mypoly(pants, 26, blk);	mypoly(buttonl, 7, blk);	mypoly(buttonr, 7, blk);	mypoly(eyel, 8, blk);	mypoly(eyer, 8, blk);	mypoly(shoel, 13, blk);	mypoly(shoer, 16, blk); 	/* draw the details */	mypoly(nose1, 3, blk);	mypoly(mouth1, 3, blk);	mypoly(mouth2, 2, blk);	mypoly(tongue1, 2, blk);	mypoly(tail, 7, blk);	mypoly(cuffl, 4, blk);	mypoly(cuffr, 3, blk);	mypoly(shoel1, 4, blk);	mypoly(shoel2, 2, blk);	mypoly(shoer1, 4, blk);	mypoly(shoer2, 2, blk);	mypoly(tick1, 2, dots);	mypoly(tick2, 2, dots);	mypoly(tick3, 2, dots);	mypoly(tick4, 2, dots);	mypoly(tick5, 2, dots);	mypoly(tick7, 2, dots);	mypoly(tick8, 2, dots);	mypoly(tick9, 2, dots);	mypoly(tick10, 2, dots);	mypoly(tick11, 2, dots);	mypoly(tick12, 2, dots); 	arms(); 	flushimage(display, 1);	return;} voideresized(int new){	if(new && getwindow(display, Refnone) < 0)		fprint(2,"can't reattach to window");	redraw(screen);} voidmain(void){	Event e;	Mouse m;	Menu menu;	char *mstr[] = {"exit", 0};	int key, timer, oldmin; 	initdraw(0, 0, "mclock");	back = allocimagemix(display, DPalebluegreen, DWhite); 	dots = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DBlue);	blk = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DBlack);	wht = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DWhite);	red = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DRed);	org = allocimage(display, Rect(0,0,1,1), CMAP8, 1, XDarkOrange);	flesh = allocimage(display, Rect(0,0,1,1), CMAP8, 1, Xwheat); 	redraw(screen); 	einit(Emouse);	timer = etimer(0, 1000); 	menu.item = mstr;	menu.lasthit = 0; 	for(;;) {		key = event(&e);		if(key == Emouse) {			m = e.mouse;			if(m.buttons & 4) {				if(emenuhit(3, &m, &menu) == 0)					exits(0);			}		} else if(key == timer) {			oldmin = mtime->min;			mtime = localtime(time(0));			if(mtime->min != oldmin) redraw(screen);		}	}}