1 fd465540 2004-12-27 devnull #include <u.h>
  2 fd465540 2004-12-27 devnull #include <libc.h>
  3 fd465540 2004-12-27 devnull #include <draw.h>
  4 fd465540 2004-12-27 devnull #include <thread.h>
  5 fd465540 2004-12-27 devnull #include <keyboard.h>
  6 fd465540 2004-12-27 devnull #include <mouse.h>
  7 fd465540 2004-12-27 devnull 
  8 fd465540 2004-12-27 devnull enum
  9 fd465540 2004-12-27 devnull {
 10 cbeb0b26 2006-04-01 devnull 	STACK = 8192
 11 fd465540 2004-12-27 devnull };
 12 fd465540 2004-12-27 devnull 
 13 fd465540 2004-12-27 devnull int nbit, npix;
 14 fd465540 2004-12-27 devnull Image *pixel;
 15 fd465540 2004-12-27 devnull Rectangle crect[256];
 16 fd465540 2004-12-27 devnull Image *color[256];
 17 fd465540 2004-12-27 devnull char *fmt;
 18 fd465540 2004-12-27 devnull int ramp;
 19 fd465540 2004-12-27 devnull 
 20 fd465540 2004-12-27 devnull Mousectl *mousectl;
 21 fd465540 2004-12-27 devnull Keyboardctl *keyboardctl;
 22 fd465540 2004-12-27 devnull 
 23 fd465540 2004-12-27 devnull void keyboardthread(void*);
 24 fd465540 2004-12-27 devnull void mousethread(void*);
 25 fd465540 2004-12-27 devnull void resizethread(void*);
 26 fd465540 2004-12-27 devnull 
 27 fd465540 2004-12-27 devnull ulong
 28 fd465540 2004-12-27 devnull grey(int i)
 29 fd465540 2004-12-27 devnull {
 30 fd465540 2004-12-27 devnull 	if(i < 0)
 31 fd465540 2004-12-27 devnull 		return grey(0);
 32 fd465540 2004-12-27 devnull 	if(i > 255)
 33 fd465540 2004-12-27 devnull 		return grey(255);
 34 fd465540 2004-12-27 devnull 	return (i<<16)+(i<<8)+i;
 35 fd465540 2004-12-27 devnull }
 36 fd465540 2004-12-27 devnull 
 37 fd465540 2004-12-27 devnull int
 38 fd465540 2004-12-27 devnull dither[16] =  {
 39 fd465540 2004-12-27 devnull 	0, 8, 2, 10,
 40 fd465540 2004-12-27 devnull 	12, 4, 14, 6,
 41 fd465540 2004-12-27 devnull 	3, 11, 1, 9,
 42 fd465540 2004-12-27 devnull 	15, 7, 13, 5
 43 fd465540 2004-12-27 devnull };
 44 fd465540 2004-12-27 devnull 
 45 a4a77934 2006-06-25 devnull extern int chattydrawclient;
 46 a4a77934 2006-06-25 devnull 
 47 fd465540 2004-12-27 devnull void
 48 fd465540 2004-12-27 devnull threadmain(int argc, char *argv[])
 49 fd465540 2004-12-27 devnull {
 50 fd465540 2004-12-27 devnull 	int i, j, k, l;
 51 fd465540 2004-12-27 devnull 	Image *dark;
 52 fd465540 2004-12-27 devnull 
 53 fd465540 2004-12-27 devnull 	ramp = 0;
 54 fd465540 2004-12-27 devnull 
 55 fd465540 2004-12-27 devnull 	fmt = "index %3d r %3lud g %3lud b %3lud 0x%.8luX        ";
 56 fd465540 2004-12-27 devnull 	ARGBEGIN{
 57 fd465540 2004-12-27 devnull 	default:
 58 fd465540 2004-12-27 devnull 		goto Usage;
 59 a4a77934 2006-06-25 devnull 	case 'D':
 60 a4a77934 2006-06-25 devnull 		chattydrawclient = 1;
 61 a4a77934 2006-06-25 devnull 		break;
 62 fd465540 2004-12-27 devnull 	case 'x':
 63 fd465540 2004-12-27 devnull 		fmt = "index %2luX r %3luX g %3luX b %3luX 0x%.8luX       ";
 64 fd465540 2004-12-27 devnull 		break;
 65 fd465540 2004-12-27 devnull 	case 'r':
 66 fd465540 2004-12-27 devnull 		ramp = 1;
 67 fd465540 2004-12-27 devnull 		break;
 68 fd465540 2004-12-27 devnull 	}ARGEND
 69 fd465540 2004-12-27 devnull 
 70 fd465540 2004-12-27 devnull 	if(argc){
 71 fd465540 2004-12-27 devnull 	Usage:
 72 fd465540 2004-12-27 devnull 		fprint(2, "Usage: %s [-rx]\n", argv0);
 73 5ad21e86 2005-01-15 devnull 		threadexitsall("usage");
 74 fd465540 2004-12-27 devnull 	}
 75 fd465540 2004-12-27 devnull 
 76 d7925b13 2005-01-14 devnull 	if(initdraw(0, nil, "colors") < 0)
 77 fd465540 2004-12-27 devnull 		sysfatal("initdraw failed: %r");
 78 fd465540 2004-12-27 devnull 
 79 fd465540 2004-12-27 devnull 	mousectl = initmouse(nil, display->image);
 80 fd465540 2004-12-27 devnull 	if(mousectl == nil)
 81 fd465540 2004-12-27 devnull 		sysfatal("initmouse: %r");
 82 fd465540 2004-12-27 devnull 
 83 fd465540 2004-12-27 devnull 	keyboardctl = initkeyboard(nil);
 84 fd465540 2004-12-27 devnull 	if(keyboardctl == nil)
 85 fd465540 2004-12-27 devnull 		sysfatal("initkeyboard: %r");
 86 fd465540 2004-12-27 devnull 
 87 fd465540 2004-12-27 devnull 	for(i=0; i<256; i++){
 88 fd465540 2004-12-27 devnull 		if(ramp){
 89 fd465540 2004-12-27 devnull 			if(screen->chan == CMAP8){
 90 fd465540 2004-12-27 devnull 				/* dither the fine grey */
 91 fd465540 2004-12-27 devnull 				j = i-(i%17);
 92 fd465540 2004-12-27 devnull 				dark = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (grey(j)<<8)+0xFF);
 93 fd465540 2004-12-27 devnull 				color[i] = allocimage(display, Rect(0,0,4,4), screen->chan, 1, (grey(j+17)<<8)+0xFF);
 94 fd465540 2004-12-27 devnull 				for(j=0; j<16; j++){
 95 fd465540 2004-12-27 devnull 					k = j%4;
 96 fd465540 2004-12-27 devnull 					l = j/4;
 97 fd465540 2004-12-27 devnull 					if(dither[j] > (i%17))
 98 fd465540 2004-12-27 devnull 						draw(color[i], Rect(k, l, k+1, l+1), dark, nil, ZP);
 99 fd465540 2004-12-27 devnull 				}
100 fd465540 2004-12-27 devnull 				freeimage(dark);
101 fd465540 2004-12-27 devnull 			}else
102 fd465540 2004-12-27 devnull 				color[i] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (grey(i)<<8)+0xFF);
103 fd465540 2004-12-27 devnull 		}else
104 fd465540 2004-12-27 devnull 			color[i] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (cmap2rgb(i)<<8)+0xFF);
105 fd465540 2004-12-27 devnull 		if(color[i] == nil)
106 fd465540 2004-12-27 devnull 			sysfatal("can't allocate image: %r");
107 fd465540 2004-12-27 devnull 	}
108 fd465540 2004-12-27 devnull 
109 fd465540 2004-12-27 devnull 	threadcreate(mousethread, nil, STACK);
110 fd465540 2004-12-27 devnull 	threadcreate(keyboardthread, nil, STACK);
111 fd465540 2004-12-27 devnull 	threadcreate(resizethread, nil, STACK);
112 fd465540 2004-12-27 devnull }
113 fd465540 2004-12-27 devnull 
114 fd465540 2004-12-27 devnull void
115 fd465540 2004-12-27 devnull keyboardthread(void *v)
116 fd465540 2004-12-27 devnull {
117 fd465540 2004-12-27 devnull 	Rune r;
118 fd465540 2004-12-27 devnull 
119 fd465540 2004-12-27 devnull 	USED(v);
120 fd465540 2004-12-27 devnull 
121 fd465540 2004-12-27 devnull 	while(recv(keyboardctl->c, &r) >= 0)
122 fd465540 2004-12-27 devnull 		;
123 fd465540 2004-12-27 devnull }
124 fd465540 2004-12-27 devnull 
125 fd465540 2004-12-27 devnull char *buttons[] =
126 fd465540 2004-12-27 devnull {
127 fd465540 2004-12-27 devnull 	"exit",
128 fd465540 2004-12-27 devnull 	0
129 fd465540 2004-12-27 devnull };
130 fd465540 2004-12-27 devnull 
131 fd465540 2004-12-27 devnull Menu menu =
132 fd465540 2004-12-27 devnull {
133 fd465540 2004-12-27 devnull 	buttons
134 fd465540 2004-12-27 devnull };
135 fd465540 2004-12-27 devnull 
136 fd465540 2004-12-27 devnull void
137 fd465540 2004-12-27 devnull mousethread(void *v)
138 fd465540 2004-12-27 devnull {
139 fd465540 2004-12-27 devnull 	Point p;
140 fd465540 2004-12-27 devnull 	Mouse m;
141 fd465540 2004-12-27 devnull 	int i, n, prev;
142 fd465540 2004-12-27 devnull 	char buf[100];
143 fd465540 2004-12-27 devnull 	ulong rgb;
144 fd465540 2004-12-27 devnull 
145 fd465540 2004-12-27 devnull 	prev = -1;
146 fd465540 2004-12-27 devnull 	while(readmouse(mousectl) >= 0){
147 fd465540 2004-12-27 devnull 		m = mousectl->m;
148 fd465540 2004-12-27 devnull 		switch(m.buttons){
149 fd465540 2004-12-27 devnull 		case 1:
150 fd465540 2004-12-27 devnull 			while(m.buttons){
151 fd465540 2004-12-27 devnull 				if(screen->depth > 8)
152 fd465540 2004-12-27 devnull 					n = 256;
153 fd465540 2004-12-27 devnull 				else
154 fd465540 2004-12-27 devnull 					n = 1<<screen->depth;
155 fd465540 2004-12-27 devnull 				for(i=0; i!=n; i++)
156 fd465540 2004-12-27 devnull 					if(i!=prev && ptinrect(m.xy, crect[i])){
157 fd465540 2004-12-27 devnull 						if(ramp)
158 fd465540 2004-12-27 devnull 							rgb = grey(i);
159 fd465540 2004-12-27 devnull 						else
160 fd465540 2004-12-27 devnull 							rgb = cmap2rgb(i);
161 fd465540 2004-12-27 devnull 						sprint(buf, fmt,
162 fd465540 2004-12-27 devnull 							i,
163 fd465540 2004-12-27 devnull 							(rgb>>16)&0xFF,
164 fd465540 2004-12-27 devnull 							(rgb>>8)&0xFF,
165 fd465540 2004-12-27 devnull 							rgb&0xFF,
166 fd465540 2004-12-27 devnull 							(rgb<<8) | 0xFF);
167 fd465540 2004-12-27 devnull 						p = addpt(screen->r.min, Pt(2,2));
168 fd465540 2004-12-27 devnull 						draw(screen, Rpt(p, addpt(p, stringsize(font, buf))), display->white, nil, p);
169 fd465540 2004-12-27 devnull 						string(screen, p, display->black, ZP, font, buf);
170 fd465540 2004-12-27 devnull 						prev=i;
171 fd465540 2004-12-27 devnull 						break;
172 fd465540 2004-12-27 devnull 					}
173 fd465540 2004-12-27 devnull 				readmouse(mousectl);
174 fd465540 2004-12-27 devnull 				m = mousectl->m;
175 fd465540 2004-12-27 devnull 			}
176 fd465540 2004-12-27 devnull 			break;
177 fd465540 2004-12-27 devnull 
178 fd465540 2004-12-27 devnull 		case 4:
179 fd465540 2004-12-27 devnull 			switch(menuhit(3, mousectl, &menu, nil)){
180 fd465540 2004-12-27 devnull 			case 0:
181 5ad21e86 2005-01-15 devnull 				threadexitsall(0);
182 fd465540 2004-12-27 devnull 			}
183 fd465540 2004-12-27 devnull 		}
184 fd465540 2004-12-27 devnull 	}
185 fd465540 2004-12-27 devnull }
186 fd465540 2004-12-27 devnull 
187 fd465540 2004-12-27 devnull void
188 fd465540 2004-12-27 devnull eresized(int new)
189 fd465540 2004-12-27 devnull {
190 fd465540 2004-12-27 devnull 	int x, y, i, n, nx, ny;
191 fd465540 2004-12-27 devnull 	Rectangle r, b;
192 fd465540 2004-12-27 devnull 
193 fd465540 2004-12-27 devnull 	if(new && getwindow(display, Refnone) < 0){
194 fd465540 2004-12-27 devnull 		fprint(2, "colors: can't reattach to window: %r\n");
195 5ad21e86 2005-01-15 devnull 		threadexitsall("resized");
196 fd465540 2004-12-27 devnull 	}
197 fd465540 2004-12-27 devnull 	if(screen->depth > 8){
198 fd465540 2004-12-27 devnull 		n = 256;
199 fd465540 2004-12-27 devnull 		nx = 16;
200 fd465540 2004-12-27 devnull 	}else{
201 fd465540 2004-12-27 devnull 		n = 1<<screen->depth;
202 fd465540 2004-12-27 devnull 		nx = 1<<(screen->depth/2);
203 fd465540 2004-12-27 devnull 	}
204 fd465540 2004-12-27 devnull 
205 fd465540 2004-12-27 devnull 	ny = n/nx;
206 fd465540 2004-12-27 devnull 	draw(screen, screen->r, display->white, nil, ZP);
207 fd465540 2004-12-27 devnull 	r = insetrect(screen->r, 5);
208 fd465540 2004-12-27 devnull 	r.min.y+=20;
209 fd465540 2004-12-27 devnull 	b.max.y=r.min.y;
210 fd465540 2004-12-27 devnull 	for(i=n-1, y=0; y!=ny; y++){
211 fd465540 2004-12-27 devnull 		b.min.y=b.max.y;
212 fd465540 2004-12-27 devnull 		b.max.y=r.min.y+(r.max.y-r.min.y)*(y+1)/ny;
213 fd465540 2004-12-27 devnull 		b.max.x=r.min.x;
214 fd465540 2004-12-27 devnull 		for(x=0; x!=nx; x++, --i){
215 fd465540 2004-12-27 devnull 			b.min.x=b.max.x;
216 fd465540 2004-12-27 devnull 			b.max.x=r.min.x+(r.max.x-r.min.x)*(x+1)/nx;
217 fd465540 2004-12-27 devnull 			crect[i]=insetrect(b, 1);
218 fd465540 2004-12-27 devnull 			draw(screen, crect[i], color[i], nil, ZP);
219 fd465540 2004-12-27 devnull 		}
220 fd465540 2004-12-27 devnull 	}
221 fd465540 2004-12-27 devnull 	flushimage(display, 1);
222 fd465540 2004-12-27 devnull }
223 fd465540 2004-12-27 devnull 
224 fd465540 2004-12-27 devnull void
225 fd465540 2004-12-27 devnull resizethread(void *v)
226 fd465540 2004-12-27 devnull {
227 fd465540 2004-12-27 devnull 	ulong x;
228 fd465540 2004-12-27 devnull 
229 fd465540 2004-12-27 devnull 	USED(v);
230 fd465540 2004-12-27 devnull 
231 fd465540 2004-12-27 devnull 	eresized(0);
232 fd465540 2004-12-27 devnull 	while(recv(mousectl->resizec, &x) >= 0)
233 fd465540 2004-12-27 devnull 		eresized(1);
234 fd465540 2004-12-27 devnull }
235 fd465540 2004-12-27 devnull