2 c66b5250 2006-06-25 devnull * /dev/draw simulator -- handles the messages prepared by the draw library.
3 c66b5250 2006-06-25 devnull * Doesn't simulate the file system part, just the messages.
6 c66b5250 2006-06-25 devnull #include <u.h>
7 c66b5250 2006-06-25 devnull #include <libc.h>
8 c66b5250 2006-06-25 devnull #include <draw.h>
9 c66b5250 2006-06-25 devnull #include <memdraw.h>
10 c66b5250 2006-06-25 devnull #include <memlayer.h>
11 88ed92aa 2020-01-13 rsc #include <mouse.h>
12 88ed92aa 2020-01-13 rsc #include <cursor.h>
13 88ed92aa 2020-01-13 rsc #include <keyboard.h>
14 88ed92aa 2020-01-13 rsc #include <drawfcall.h>
15 c66b5250 2006-06-25 devnull #include "devdraw.h"
17 587933c1 2020-05-18 rsc QLock drawlk;
19 c66b5250 2006-06-25 devnull static int drawuninstall(Client*, int);
20 c66b5250 2006-06-25 devnull static Memimage* drawinstall(Client*, int, Memimage*, DScreen*);
21 88ed92aa 2020-01-13 rsc static void drawfreedimage(Client*, DImage*);
24 41547af3 2020-01-13 rsc draw_initdisplaymemimage(Client *c, Memimage *m)
26 88ed92aa 2020-01-13 rsc c->screenimage = m;
27 c66b5250 2006-06-25 devnull m->screenref = 1;
29 88ed92aa 2020-01-13 rsc c->clientid = 1;
30 88ed92aa 2020-01-13 rsc c->op = SoverD;
33 41547af3 2020-01-13 rsc // gfx_replacescreenimage replaces c's screen image with m.
34 b1a086de 2020-01-13 rsc // It is called by the host driver on the main host thread.
36 41547af3 2020-01-13 rsc gfx_replacescreenimage(Client *c, Memimage *m)
39 c66b5250 2006-06-25 devnull * Replace the screen image because the screen
40 c66b5250 2006-06-25 devnull * was resized.
42 c66b5250 2006-06-25 devnull * In theory there should only be one reference
43 c66b5250 2006-06-25 devnull * to the current screen image, and that's through
44 c66b5250 2006-06-25 devnull * client0's image 0, installed a few lines above.
45 fa325e9b 2020-01-10 cross * Once the client drops the image, the underlying backing
46 c66b5250 2006-06-25 devnull * store freed properly. The client is being notified
47 c66b5250 2006-06-25 devnull * about the resize through external means, so all we
48 c66b5250 2006-06-25 devnull * need to do is this assignment.
50 c66b5250 2006-06-25 devnull Memimage *om;
52 587933c1 2020-05-18 rsc qlock(&drawlk);
53 88ed92aa 2020-01-13 rsc om = c->screenimage;
54 88ed92aa 2020-01-13 rsc c->screenimage = m;
55 c66b5250 2006-06-25 devnull m->screenref = 1;
56 c66b5250 2006-06-25 devnull if(om && --om->screenref == 0){
57 c66b5250 2006-06-25 devnull _freememimage(om);
59 587933c1 2020-05-18 rsc qunlock(&drawlk);
60 1f799495 2020-01-15 rsc gfx_mouseresized(c);
64 c66b5250 2006-06-25 devnull drawrefreshscreen(DImage *l, Client *client)
66 c66b5250 2006-06-25 devnull while(l != nil && l->dscreen == nil)
67 c66b5250 2006-06-25 devnull l = l->fromname;
68 c66b5250 2006-06-25 devnull if(l != nil && l->dscreen->owner != client)
69 c66b5250 2006-06-25 devnull l->dscreen->owner->refreshme = 1;
73 c66b5250 2006-06-25 devnull drawrefresh(Memimage *m, Rectangle r, void *v)
76 c66b5250 2006-06-25 devnull DImage *d;
77 c66b5250 2006-06-25 devnull Client *c;
78 c66b5250 2006-06-25 devnull Refresh *ref;
82 c66b5250 2006-06-25 devnull if(v == 0)
85 c66b5250 2006-06-25 devnull c = x->client;
86 c66b5250 2006-06-25 devnull d = x->dimage;
87 c66b5250 2006-06-25 devnull for(ref=c->refresh; ref; ref=ref->next)
88 c66b5250 2006-06-25 devnull if(ref->dimage == d){
89 c66b5250 2006-06-25 devnull combinerect(&ref->r, r);
92 c66b5250 2006-06-25 devnull ref = mallocz(sizeof(Refresh), 1);
94 c66b5250 2006-06-25 devnull ref->dimage = d;
95 c66b5250 2006-06-25 devnull ref->r = r;
96 c66b5250 2006-06-25 devnull ref->next = c->refresh;
97 c66b5250 2006-06-25 devnull c->refresh = ref;
101 c66b5250 2006-06-25 devnull static void
102 88ed92aa 2020-01-13 rsc addflush(Client *c, Rectangle r)
104 c66b5250 2006-06-25 devnull int abb, ar, anbb;
105 41547af3 2020-01-13 rsc Rectangle nbb, fr;
107 88ed92aa 2020-01-13 rsc if(/*sdraw.softscreen==0 ||*/ !rectclip(&r, c->screenimage->r))
110 88ed92aa 2020-01-13 rsc if(c->flushrect.min.x >= c->flushrect.max.x){
111 88ed92aa 2020-01-13 rsc c->flushrect = r;
112 88ed92aa 2020-01-13 rsc c->waste = 0;
115 88ed92aa 2020-01-13 rsc nbb = c->flushrect;
116 c66b5250 2006-06-25 devnull combinerect(&nbb, r);
117 c66b5250 2006-06-25 devnull ar = Dx(r)*Dy(r);
118 88ed92aa 2020-01-13 rsc abb = Dx(c->flushrect)*Dy(c->flushrect);
119 c66b5250 2006-06-25 devnull anbb = Dx(nbb)*Dy(nbb);
121 c66b5250 2006-06-25 devnull * Area of new waste is area of new bb minus area of old bb,
122 c66b5250 2006-06-25 devnull * less the area of the new segment, which we assume is not waste.
123 c66b5250 2006-06-25 devnull * This could be negative, but that's OK.
125 88ed92aa 2020-01-13 rsc c->waste += anbb-abb - ar;
126 88ed92aa 2020-01-13 rsc if(c->waste < 0)
127 88ed92aa 2020-01-13 rsc c->waste = 0;
129 c66b5250 2006-06-25 devnull * absorb if:
130 c66b5250 2006-06-25 devnull * total area is small
131 c66b5250 2006-06-25 devnull * waste is less than half total area
132 c66b5250 2006-06-25 devnull * rectangles touch
134 88ed92aa 2020-01-13 rsc if(anbb<=1024 || c->waste*2<anbb || rectXrect(c->flushrect, r)){
135 88ed92aa 2020-01-13 rsc c->flushrect = nbb;
138 c66b5250 2006-06-25 devnull /* emit current state */
139 41547af3 2020-01-13 rsc fr = c->flushrect;
140 88ed92aa 2020-01-13 rsc c->flushrect = r;
141 88ed92aa 2020-01-13 rsc c->waste = 0;
142 41547af3 2020-01-13 rsc if(fr.min.x < fr.max.x) {
143 41547af3 2020-01-13 rsc // Unlock drawlk because rpc_flush may want to run on gfx thread,
144 41547af3 2020-01-13 rsc // and gfx thread might be blocked on drawlk trying to install a new screen
145 41547af3 2020-01-13 rsc // during a resize.
146 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
147 587933c1 2020-05-18 rsc qunlock(&drawlk);
148 94d381ec 2020-05-18 rsc c->impl->rpc_flush(c, fr);
149 587933c1 2020-05-18 rsc qlock(&drawlk);
150 50923426 2020-01-13 rsc rpc_gfxdrawlock();
155 88ed92aa 2020-01-13 rsc dstflush(Client *c, int dstid, Memimage *dst, Rectangle r)
157 c66b5250 2006-06-25 devnull Memlayer *l;
159 c66b5250 2006-06-25 devnull if(dstid == 0){
160 88ed92aa 2020-01-13 rsc combinerect(&c->flushrect, r);
163 c66b5250 2006-06-25 devnull /* how can this happen? -rsc, dec 12 2002 */
164 c66b5250 2006-06-25 devnull if(dst == 0){
165 2bdefab1 2006-07-05 devnull fprint(2, "nil dstflush\n");
168 c66b5250 2006-06-25 devnull l = dst->layer;
169 c66b5250 2006-06-25 devnull if(l == nil)
172 88ed92aa 2020-01-13 rsc if(l->screen->image->data != c->screenimage->data)
174 c66b5250 2006-06-25 devnull r = rectaddpt(r, l->delta);
175 c66b5250 2006-06-25 devnull l = l->screen->image->layer;
176 c66b5250 2006-06-25 devnull }while(l);
177 88ed92aa 2020-01-13 rsc addflush(c, r);
181 88ed92aa 2020-01-13 rsc drawflush(Client *c)
183 41547af3 2020-01-13 rsc Rectangle r;
185 41547af3 2020-01-13 rsc r = c->flushrect;
186 88ed92aa 2020-01-13 rsc c->flushrect = Rect(10000, 10000, -10000, -10000);
187 41547af3 2020-01-13 rsc if(r.min.x < r.max.x) {
188 41547af3 2020-01-13 rsc // Unlock drawlk because rpc_flush may want to run on gfx thread,
189 41547af3 2020-01-13 rsc // and gfx thread might be blocked on drawlk trying to install a new screen
190 41547af3 2020-01-13 rsc // during a resize.
191 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
192 587933c1 2020-05-18 rsc qunlock(&drawlk);
193 94d381ec 2020-05-18 rsc c->impl->rpc_flush(c, r);
194 587933c1 2020-05-18 rsc qlock(&drawlk);
195 50923426 2020-01-13 rsc rpc_gfxdrawlock();
200 c66b5250 2006-06-25 devnull drawcmp(char *a, char *b, int n)
202 c66b5250 2006-06-25 devnull if(strlen(a) != n)
203 c66b5250 2006-06-25 devnull return 1;
204 c66b5250 2006-06-25 devnull return memcmp(a, b, n);
207 41547af3 2020-01-13 rsc static DName*
208 88ed92aa 2020-01-13 rsc drawlookupname(Client *client, int n, char *str)
210 c66b5250 2006-06-25 devnull DName *name, *ename;
212 88ed92aa 2020-01-13 rsc name = client->name;
213 88ed92aa 2020-01-13 rsc ename = &name[client->nname];
214 c66b5250 2006-06-25 devnull for(; name<ename; name++)
215 c66b5250 2006-06-25 devnull if(drawcmp(name->name, str, n) == 0)
216 c66b5250 2006-06-25 devnull return name;
217 c66b5250 2006-06-25 devnull return 0;
221 88ed92aa 2020-01-13 rsc drawgoodname(Client *client, DImage *d)
223 c66b5250 2006-06-25 devnull DName *n;
225 c66b5250 2006-06-25 devnull /* if window, validate the screen's own images */
226 c66b5250 2006-06-25 devnull if(d->dscreen)
227 88ed92aa 2020-01-13 rsc if(drawgoodname(client, d->dscreen->dimage) == 0
228 88ed92aa 2020-01-13 rsc || drawgoodname(client, d->dscreen->dfill) == 0)
229 c66b5250 2006-06-25 devnull return 0;
230 c66b5250 2006-06-25 devnull if(d->name == nil)
231 c66b5250 2006-06-25 devnull return 1;
232 88ed92aa 2020-01-13 rsc n = drawlookupname(client, strlen(d->name), d->name);
233 c66b5250 2006-06-25 devnull if(n==nil || n->vers!=d->vers)
234 c66b5250 2006-06-25 devnull return 0;
235 c66b5250 2006-06-25 devnull return 1;
238 41547af3 2020-01-13 rsc static DImage*
239 c66b5250 2006-06-25 devnull drawlookup(Client *client, int id, int checkname)
241 c66b5250 2006-06-25 devnull DImage *d;
243 c66b5250 2006-06-25 devnull d = client->dimage[id&HASHMASK];
244 c66b5250 2006-06-25 devnull while(d){
245 c66b5250 2006-06-25 devnull if(d->id == id){
247 c66b5250 2006-06-25 devnull * BUG: should error out but too hard.
248 c66b5250 2006-06-25 devnull * Return 0 instead.
250 88ed92aa 2020-01-13 rsc if(checkname && !drawgoodname(client, d))
251 c66b5250 2006-06-25 devnull return 0;
252 c66b5250 2006-06-25 devnull return d;
254 c66b5250 2006-06-25 devnull d = d->next;
256 c66b5250 2006-06-25 devnull return 0;
259 41547af3 2020-01-13 rsc static DScreen*
260 88ed92aa 2020-01-13 rsc drawlookupdscreen(Client *c, int id)
262 c66b5250 2006-06-25 devnull DScreen *s;
264 88ed92aa 2020-01-13 rsc s = c->dscreen;
265 c66b5250 2006-06-25 devnull while(s){
266 c66b5250 2006-06-25 devnull if(s->id == id)
267 c66b5250 2006-06-25 devnull return s;
268 c66b5250 2006-06-25 devnull s = s->next;
270 c66b5250 2006-06-25 devnull return 0;
273 41547af3 2020-01-13 rsc static DScreen*
274 c66b5250 2006-06-25 devnull drawlookupscreen(Client *client, int id, CScreen **cs)
276 c66b5250 2006-06-25 devnull CScreen *s;
278 c66b5250 2006-06-25 devnull s = client->cscreen;
279 c66b5250 2006-06-25 devnull while(s){
280 c66b5250 2006-06-25 devnull if(s->dscreen->id == id){
281 c66b5250 2006-06-25 devnull *cs = s;
282 c66b5250 2006-06-25 devnull return s->dscreen;
284 c66b5250 2006-06-25 devnull s = s->next;
286 c66b5250 2006-06-25 devnull /* caller must check! */
287 c66b5250 2006-06-25 devnull return 0;
290 41547af3 2020-01-13 rsc static Memimage*
291 c66b5250 2006-06-25 devnull drawinstall(Client *client, int id, Memimage *i, DScreen *dscreen)
293 c66b5250 2006-06-25 devnull DImage *d;
295 c66b5250 2006-06-25 devnull d = mallocz(sizeof(DImage), 1);
296 c66b5250 2006-06-25 devnull if(d == 0)
297 c66b5250 2006-06-25 devnull return 0;
298 c66b5250 2006-06-25 devnull d->id = id;
299 c66b5250 2006-06-25 devnull d->ref = 1;
300 c66b5250 2006-06-25 devnull d->name = 0;
301 c66b5250 2006-06-25 devnull d->vers = 0;
302 c66b5250 2006-06-25 devnull d->image = i;
303 c66b5250 2006-06-25 devnull if(i->screenref)
304 c66b5250 2006-06-25 devnull ++i->screenref;
305 c66b5250 2006-06-25 devnull d->nfchar = 0;
306 c66b5250 2006-06-25 devnull d->fchar = 0;
307 c66b5250 2006-06-25 devnull d->fromname = 0;
308 c66b5250 2006-06-25 devnull d->dscreen = dscreen;
309 c66b5250 2006-06-25 devnull d->next = client->dimage[id&HASHMASK];
310 c66b5250 2006-06-25 devnull client->dimage[id&HASHMASK] = d;
311 c66b5250 2006-06-25 devnull return i;
314 41547af3 2020-01-13 rsc static Memscreen*
315 c66b5250 2006-06-25 devnull drawinstallscreen(Client *client, DScreen *d, int id, DImage *dimage, DImage *dfill, int public)
317 c66b5250 2006-06-25 devnull Memscreen *s;
318 c66b5250 2006-06-25 devnull CScreen *c;
320 c66b5250 2006-06-25 devnull c = mallocz(sizeof(CScreen), 1);
321 c66b5250 2006-06-25 devnull if(dimage && dimage->image && dimage->image->chan == 0){
322 2bdefab1 2006-07-05 devnull fprint(2, "bad image %p in drawinstallscreen", dimage->image);
323 c66b5250 2006-06-25 devnull abort();
326 c66b5250 2006-06-25 devnull if(c == 0)
327 c66b5250 2006-06-25 devnull return 0;
328 c66b5250 2006-06-25 devnull if(d == 0){
329 c66b5250 2006-06-25 devnull d = mallocz(sizeof(DScreen), 1);
330 c66b5250 2006-06-25 devnull if(d == 0){
331 c66b5250 2006-06-25 devnull free(c);
332 c66b5250 2006-06-25 devnull return 0;
334 c66b5250 2006-06-25 devnull s = mallocz(sizeof(Memscreen), 1);
335 c66b5250 2006-06-25 devnull if(s == 0){
336 c66b5250 2006-06-25 devnull free(c);
337 c66b5250 2006-06-25 devnull free(d);
338 c66b5250 2006-06-25 devnull return 0;
340 c66b5250 2006-06-25 devnull s->frontmost = 0;
341 c66b5250 2006-06-25 devnull s->rearmost = 0;
342 c66b5250 2006-06-25 devnull d->dimage = dimage;
343 c66b5250 2006-06-25 devnull if(dimage){
344 c66b5250 2006-06-25 devnull s->image = dimage->image;
345 c66b5250 2006-06-25 devnull dimage->ref++;
347 c66b5250 2006-06-25 devnull d->dfill = dfill;
348 c66b5250 2006-06-25 devnull if(dfill){
349 c66b5250 2006-06-25 devnull s->fill = dfill->image;
350 c66b5250 2006-06-25 devnull dfill->ref++;
352 c66b5250 2006-06-25 devnull d->ref = 0;
353 c66b5250 2006-06-25 devnull d->id = id;
354 c66b5250 2006-06-25 devnull d->screen = s;
355 c66b5250 2006-06-25 devnull d->public = public;
356 88ed92aa 2020-01-13 rsc d->next = client->dscreen;
357 c66b5250 2006-06-25 devnull d->owner = client;
358 88ed92aa 2020-01-13 rsc client->dscreen = d;
360 c66b5250 2006-06-25 devnull c->dscreen = d;
361 c66b5250 2006-06-25 devnull d->ref++;
362 c66b5250 2006-06-25 devnull c->next = client->cscreen;
363 c66b5250 2006-06-25 devnull client->cscreen = c;
364 c66b5250 2006-06-25 devnull return d->screen;
368 88ed92aa 2020-01-13 rsc drawdelname(Client *client, DName *name)
372 88ed92aa 2020-01-13 rsc i = name-client->name;
373 88ed92aa 2020-01-13 rsc memmove(name, name+1, (client->nname-(i+1))*sizeof(DName));
374 88ed92aa 2020-01-13 rsc client->nname--;
378 88ed92aa 2020-01-13 rsc drawfreedscreen(Client *client, DScreen *this)
380 c66b5250 2006-06-25 devnull DScreen *ds, *next;
382 c66b5250 2006-06-25 devnull this->ref--;
383 c66b5250 2006-06-25 devnull if(this->ref < 0)
384 2bdefab1 2006-07-05 devnull fprint(2, "negative ref in drawfreedscreen\n");
385 c66b5250 2006-06-25 devnull if(this->ref > 0)
387 88ed92aa 2020-01-13 rsc ds = client->dscreen;
388 c66b5250 2006-06-25 devnull if(ds == this){
389 88ed92aa 2020-01-13 rsc client->dscreen = this->next;
390 c66b5250 2006-06-25 devnull goto Found;
392 c66b5250 2006-06-25 devnull while(next = ds->next){ /* assign = */
393 c66b5250 2006-06-25 devnull if(next == this){
394 c66b5250 2006-06-25 devnull ds->next = this->next;
395 c66b5250 2006-06-25 devnull goto Found;
397 c66b5250 2006-06-25 devnull ds = next;
400 c66b5250 2006-06-25 devnull * Should signal Enodrawimage, but too hard.
405 c66b5250 2006-06-25 devnull if(this->dimage)
406 88ed92aa 2020-01-13 rsc drawfreedimage(client, this->dimage);
407 c66b5250 2006-06-25 devnull if(this->dfill)
408 88ed92aa 2020-01-13 rsc drawfreedimage(client, this->dfill);
409 c66b5250 2006-06-25 devnull free(this->screen);
410 c66b5250 2006-06-25 devnull free(this);
414 88ed92aa 2020-01-13 rsc drawfreedimage(Client *client, DImage *dimage)
417 c66b5250 2006-06-25 devnull Memimage *l;
418 c66b5250 2006-06-25 devnull DScreen *ds;
420 c66b5250 2006-06-25 devnull dimage->ref--;
421 c66b5250 2006-06-25 devnull if(dimage->ref < 0)
422 2bdefab1 2006-07-05 devnull fprint(2, "negative ref in drawfreedimage\n");
423 c66b5250 2006-06-25 devnull if(dimage->ref > 0)
426 c66b5250 2006-06-25 devnull /* any names? */
427 88ed92aa 2020-01-13 rsc for(i=0; i<client->nname; )
428 88ed92aa 2020-01-13 rsc if(client->name[i].dimage == dimage)
429 88ed92aa 2020-01-13 rsc drawdelname(client, client->name+i);
432 c66b5250 2006-06-25 devnull if(dimage->fromname){ /* acquired by name; owned by someone else*/
433 88ed92aa 2020-01-13 rsc drawfreedimage(client, dimage->fromname);
434 c66b5250 2006-06-25 devnull goto Return;
436 c66b5250 2006-06-25 devnull ds = dimage->dscreen;
437 c66b5250 2006-06-25 devnull l = dimage->image;
438 c66b5250 2006-06-25 devnull dimage->dscreen = nil; /* paranoia */
439 c66b5250 2006-06-25 devnull dimage->image = nil;
441 88ed92aa 2020-01-13 rsc if(l->data == client->screenimage->data)
442 88ed92aa 2020-01-13 rsc addflush(client, l->layer->screenr);
443 c66b5250 2006-06-25 devnull if(l->layer->refreshfn == drawrefresh) /* else true owner will clean up */
444 c66b5250 2006-06-25 devnull free(l->layer->refreshptr);
445 c66b5250 2006-06-25 devnull l->layer->refreshptr = nil;
446 88ed92aa 2020-01-13 rsc if(drawgoodname(client, dimage))
447 c66b5250 2006-06-25 devnull memldelete(l);
449 c66b5250 2006-06-25 devnull memlfree(l);
450 88ed92aa 2020-01-13 rsc drawfreedscreen(client, ds);
452 c66b5250 2006-06-25 devnull if(l->screenref==0)
453 c66b5250 2006-06-25 devnull freememimage(l);
454 c66b5250 2006-06-25 devnull else if(--l->screenref==0)
455 c66b5250 2006-06-25 devnull _freememimage(l);
458 c66b5250 2006-06-25 devnull free(dimage->fchar);
459 c66b5250 2006-06-25 devnull free(dimage);
463 c66b5250 2006-06-25 devnull drawuninstallscreen(Client *client, CScreen *this)
465 c66b5250 2006-06-25 devnull CScreen *cs, *next;
467 c66b5250 2006-06-25 devnull cs = client->cscreen;
468 c66b5250 2006-06-25 devnull if(cs == this){
469 c66b5250 2006-06-25 devnull client->cscreen = this->next;
470 88ed92aa 2020-01-13 rsc drawfreedscreen(client, this->dscreen);
471 c66b5250 2006-06-25 devnull free(this);
474 c66b5250 2006-06-25 devnull while(next = cs->next){ /* assign = */
475 c66b5250 2006-06-25 devnull if(next == this){
476 c66b5250 2006-06-25 devnull cs->next = this->next;
477 88ed92aa 2020-01-13 rsc drawfreedscreen(client, this->dscreen);
478 c66b5250 2006-06-25 devnull free(this);
481 c66b5250 2006-06-25 devnull cs = next;
486 c66b5250 2006-06-25 devnull drawuninstall(Client *client, int id)
488 c66b5250 2006-06-25 devnull DImage *d, **l;
490 c66b5250 2006-06-25 devnull for(l=&client->dimage[id&HASHMASK]; (d=*l) != nil; l=&d->next){
491 c66b5250 2006-06-25 devnull if(d->id == id){
492 c66b5250 2006-06-25 devnull *l = d->next;
493 88ed92aa 2020-01-13 rsc drawfreedimage(client, d);
494 c66b5250 2006-06-25 devnull return 0;
497 c66b5250 2006-06-25 devnull return -1;
501 c66b5250 2006-06-25 devnull drawaddname(Client *client, DImage *di, int n, char *str, char **err)
503 c66b5250 2006-06-25 devnull DName *name, *ename, *new, *t;
504 c66b5250 2006-06-25 devnull char *ns;
506 88ed92aa 2020-01-13 rsc name = client->name;
507 88ed92aa 2020-01-13 rsc ename = &name[client->nname];
508 c66b5250 2006-06-25 devnull for(; name<ename; name++)
509 c66b5250 2006-06-25 devnull if(drawcmp(name->name, str, n) == 0){
510 c66b5250 2006-06-25 devnull *err = "image name in use";
511 c66b5250 2006-06-25 devnull return -1;
513 88ed92aa 2020-01-13 rsc t = mallocz((client->nname+1)*sizeof(DName), 1);
514 c66b5250 2006-06-25 devnull ns = malloc(n+1);
515 c66b5250 2006-06-25 devnull if(t == nil || ns == nil){
516 c66b5250 2006-06-25 devnull free(t);
517 c66b5250 2006-06-25 devnull free(ns);
518 c66b5250 2006-06-25 devnull *err = "out of memory";
519 c66b5250 2006-06-25 devnull return -1;
521 88ed92aa 2020-01-13 rsc memmove(t, client->name, client->nname*sizeof(DName));
522 88ed92aa 2020-01-13 rsc free(client->name);
523 88ed92aa 2020-01-13 rsc client->name = t;
524 88ed92aa 2020-01-13 rsc new = &client->name[client->nname++];
525 c66b5250 2006-06-25 devnull new->name = ns;
526 c66b5250 2006-06-25 devnull memmove(new->name, str, n);
527 c66b5250 2006-06-25 devnull new->name[n] = 0;
528 c66b5250 2006-06-25 devnull new->dimage = di;
529 c66b5250 2006-06-25 devnull new->client = client;
530 88ed92aa 2020-01-13 rsc new->vers = ++client->namevers;
531 c66b5250 2006-06-25 devnull return 0;
534 c66b5250 2006-06-25 devnull static int
535 c66b5250 2006-06-25 devnull drawclientop(Client *cl)
539 c66b5250 2006-06-25 devnull op = cl->op;
540 c66b5250 2006-06-25 devnull cl->op = SoverD;
541 c66b5250 2006-06-25 devnull return op;
544 41547af3 2020-01-13 rsc static Memimage*
545 c66b5250 2006-06-25 devnull drawimage(Client *client, uchar *a)
547 c66b5250 2006-06-25 devnull DImage *d;
549 c66b5250 2006-06-25 devnull d = drawlookup(client, BGLONG(a), 1);
550 c66b5250 2006-06-25 devnull if(d == nil)
551 c66b5250 2006-06-25 devnull return nil; /* caller must check! */
552 c66b5250 2006-06-25 devnull return d->image;
556 c66b5250 2006-06-25 devnull drawrectangle(Rectangle *r, uchar *a)
558 c66b5250 2006-06-25 devnull r->min.x = BGLONG(a+0*4);
559 c66b5250 2006-06-25 devnull r->min.y = BGLONG(a+1*4);
560 c66b5250 2006-06-25 devnull r->max.x = BGLONG(a+2*4);
561 c66b5250 2006-06-25 devnull r->max.y = BGLONG(a+3*4);
565 c66b5250 2006-06-25 devnull drawpoint(Point *p, uchar *a)
567 c66b5250 2006-06-25 devnull p->x = BGLONG(a+0*4);
568 c66b5250 2006-06-25 devnull p->y = BGLONG(a+1*4);
571 41547af3 2020-01-13 rsc static Point
572 c66b5250 2006-06-25 devnull drawchar(Memimage *dst, Point p, Memimage *src, Point *sp, DImage *font, int index, int op)
574 c66b5250 2006-06-25 devnull FChar *fc;
575 c66b5250 2006-06-25 devnull Rectangle r;
576 c66b5250 2006-06-25 devnull Point sp1;
578 c66b5250 2006-06-25 devnull fc = &font->fchar[index];
579 c66b5250 2006-06-25 devnull r.min.x = p.x+fc->left;
580 c66b5250 2006-06-25 devnull r.min.y = p.y-(font->ascent-fc->miny);
581 c66b5250 2006-06-25 devnull r.max.x = r.min.x+(fc->maxx-fc->minx);
582 c66b5250 2006-06-25 devnull r.max.y = r.min.y+(fc->maxy-fc->miny);
583 c66b5250 2006-06-25 devnull sp1.x = sp->x+fc->left;
584 c66b5250 2006-06-25 devnull sp1.y = sp->y+fc->miny;
585 c66b5250 2006-06-25 devnull memdraw(dst, r, src, sp1, font->image, Pt(fc->minx, fc->miny), op);
586 c66b5250 2006-06-25 devnull p.x += fc->width;
587 c66b5250 2006-06-25 devnull sp->x += fc->width;
588 c66b5250 2006-06-25 devnull return p;
591 41547af3 2020-01-13 rsc static uchar*
592 c66b5250 2006-06-25 devnull drawcoord(uchar *p, uchar *maxp, int oldx, int *newx)
594 c66b5250 2006-06-25 devnull int b, x;
596 c66b5250 2006-06-25 devnull if(p >= maxp)
597 c66b5250 2006-06-25 devnull return nil;
598 c66b5250 2006-06-25 devnull b = *p++;
599 c66b5250 2006-06-25 devnull x = b & 0x7F;
600 c66b5250 2006-06-25 devnull if(b & 0x80){
601 c66b5250 2006-06-25 devnull if(p+1 >= maxp)
602 c66b5250 2006-06-25 devnull return nil;
603 c66b5250 2006-06-25 devnull x |= *p++ << 7;
604 c66b5250 2006-06-25 devnull x |= *p++ << 15;
605 c66b5250 2006-06-25 devnull if(x & (1<<22))
606 310ae033 2017-01-06 rsc x |= ~0U<<23;
608 c66b5250 2006-06-25 devnull if(b & 0x40)
609 310ae033 2017-01-06 rsc x |= ~0U<<7;
610 c66b5250 2006-06-25 devnull x += oldx;
612 c66b5250 2006-06-25 devnull *newx = x;
613 c66b5250 2006-06-25 devnull return p;
617 41547af3 2020-01-13 rsc draw_dataread(Client *cl, void *a, int n)
619 587933c1 2020-05-18 rsc qlock(&drawlk);
620 c66b5250 2006-06-25 devnull if(cl->readdata == nil){
621 c66b5250 2006-06-25 devnull werrstr("no draw data");
622 c66b5250 2006-06-25 devnull goto err;
624 c66b5250 2006-06-25 devnull if(n < cl->nreaddata){
625 c66b5250 2006-06-25 devnull werrstr("short read");
626 c66b5250 2006-06-25 devnull goto err;
628 c66b5250 2006-06-25 devnull n = cl->nreaddata;
629 c66b5250 2006-06-25 devnull memmove(a, cl->readdata, cl->nreaddata);
630 c66b5250 2006-06-25 devnull free(cl->readdata);
631 c66b5250 2006-06-25 devnull cl->readdata = nil;
632 587933c1 2020-05-18 rsc qunlock(&drawlk);
633 c66b5250 2006-06-25 devnull return n;
636 587933c1 2020-05-18 rsc qunlock(&drawlk);
637 c66b5250 2006-06-25 devnull return -1;
641 41547af3 2020-01-13 rsc draw_datawrite(Client *client, void *v, int n)
643 c66b5250 2006-06-25 devnull char cbuf[40], *err, ibuf[12*12+1], *s;
644 c66b5250 2006-06-25 devnull int c, ci, doflush, dstid, e0, e1, esize, j, m;
645 fa325e9b 2020-01-10 cross int ni, nw, oesize, oldn, op, ox, oy, repl, scrnid, y;
646 c66b5250 2006-06-25 devnull uchar *a, refresh, *u;
647 c66b5250 2006-06-25 devnull u32int chan, value;
648 c66b5250 2006-06-25 devnull CScreen *cs;
649 c66b5250 2006-06-25 devnull DImage *di, *ddst, *dsrc, *font, *ll;
650 c66b5250 2006-06-25 devnull DName *dn;
651 c66b5250 2006-06-25 devnull DScreen *dscrn;
652 c66b5250 2006-06-25 devnull FChar *fc;
654 c66b5250 2006-06-25 devnull Memimage *dst, *i, *l, **lp, *mask, *src;
655 c66b5250 2006-06-25 devnull Memscreen *scrn;
656 c66b5250 2006-06-25 devnull Point p, *pp, q, sp;
657 c66b5250 2006-06-25 devnull Rectangle clipr, r;
658 c66b5250 2006-06-25 devnull Refreshfn reffn;
659 c66b5250 2006-06-25 devnull Refx *refx;
661 587933c1 2020-05-18 rsc qlock(&drawlk);
662 50923426 2020-01-13 rsc rpc_gfxdrawlock();
665 c66b5250 2006-06-25 devnull oldn = n;
667 c66b5250 2006-06-25 devnull while((n-=m) > 0){
669 9142d362 2008-06-30 rsc /*fprint(2, "msgwrite %d(%d)...", n, *a); */
670 c66b5250 2006-06-25 devnull switch(*a){
671 c66b5250 2006-06-25 devnull default:
672 c66b5250 2006-06-25 devnull /*fprint(2, "bad command %d\n", *a); */
673 c66b5250 2006-06-25 devnull err = "bad draw command";
674 c66b5250 2006-06-25 devnull goto error;
676 c66b5250 2006-06-25 devnull /* allocate: 'b' id[4] screenid[4] refresh[1] chan[4] repl[1]
677 c66b5250 2006-06-25 devnull R[4*4] clipR[4*4] rrggbbaa[4]
679 c66b5250 2006-06-25 devnull case 'b':
680 c66b5250 2006-06-25 devnull m = 1+4+4+1+4+1+4*4+4*4+4;
681 c66b5250 2006-06-25 devnull if(n < m)
682 c66b5250 2006-06-25 devnull goto Eshortdraw;
683 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
684 c66b5250 2006-06-25 devnull scrnid = BGSHORT(a+5);
685 c66b5250 2006-06-25 devnull refresh = a[9];
686 c66b5250 2006-06-25 devnull chan = BGLONG(a+10);
687 c66b5250 2006-06-25 devnull repl = a[14];
688 c66b5250 2006-06-25 devnull drawrectangle(&r, a+15);
689 c66b5250 2006-06-25 devnull drawrectangle(&clipr, a+31);
690 c66b5250 2006-06-25 devnull value = BGLONG(a+47);
691 c66b5250 2006-06-25 devnull if(drawlookup(client, dstid, 0))
692 c66b5250 2006-06-25 devnull goto Eimageexists;
693 c66b5250 2006-06-25 devnull if(scrnid){
694 c66b5250 2006-06-25 devnull dscrn = drawlookupscreen(client, scrnid, &cs);
695 c66b5250 2006-06-25 devnull if(!dscrn)
696 c66b5250 2006-06-25 devnull goto Enodrawscreen;
697 c66b5250 2006-06-25 devnull scrn = dscrn->screen;
698 c66b5250 2006-06-25 devnull if(repl || chan!=scrn->image->chan){
699 c66b5250 2006-06-25 devnull err = "image parameters incompatibile with screen";
700 c66b5250 2006-06-25 devnull goto error;
702 c66b5250 2006-06-25 devnull reffn = 0;
703 c66b5250 2006-06-25 devnull switch(refresh){
704 c66b5250 2006-06-25 devnull case Refbackup:
706 c66b5250 2006-06-25 devnull case Refnone:
707 c66b5250 2006-06-25 devnull reffn = memlnorefresh;
709 c66b5250 2006-06-25 devnull case Refmesg:
710 c66b5250 2006-06-25 devnull reffn = drawrefresh;
712 c66b5250 2006-06-25 devnull default:
713 c66b5250 2006-06-25 devnull err = "unknown refresh method";
714 c66b5250 2006-06-25 devnull goto error;
716 c66b5250 2006-06-25 devnull l = memlalloc(scrn, r, reffn, 0, value);
717 c66b5250 2006-06-25 devnull if(l == 0)
718 c66b5250 2006-06-25 devnull goto Edrawmem;
719 88ed92aa 2020-01-13 rsc addflush(client, l->layer->screenr);
720 c66b5250 2006-06-25 devnull l->clipr = clipr;
721 c66b5250 2006-06-25 devnull rectclip(&l->clipr, r);
722 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, l, dscrn) == 0){
723 c66b5250 2006-06-25 devnull memldelete(l);
724 c66b5250 2006-06-25 devnull goto Edrawmem;
726 c66b5250 2006-06-25 devnull dscrn->ref++;
727 c66b5250 2006-06-25 devnull if(reffn){
728 c66b5250 2006-06-25 devnull refx = nil;
729 c66b5250 2006-06-25 devnull if(reffn == drawrefresh){
730 c66b5250 2006-06-25 devnull refx = mallocz(sizeof(Refx), 1);
731 c66b5250 2006-06-25 devnull if(refx == 0){
732 c66b5250 2006-06-25 devnull if(drawuninstall(client, dstid) < 0)
733 c66b5250 2006-06-25 devnull goto Enodrawimage;
734 c66b5250 2006-06-25 devnull goto Edrawmem;
736 c66b5250 2006-06-25 devnull refx->client = client;
737 c66b5250 2006-06-25 devnull refx->dimage = drawlookup(client, dstid, 1);
739 c66b5250 2006-06-25 devnull memlsetrefresh(l, reffn, refx);
741 c66b5250 2006-06-25 devnull continue;
743 c66b5250 2006-06-25 devnull i = allocmemimage(r, chan);
744 c66b5250 2006-06-25 devnull if(i == 0)
745 c66b5250 2006-06-25 devnull goto Edrawmem;
746 c66b5250 2006-06-25 devnull if(repl)
747 c66b5250 2006-06-25 devnull i->flags |= Frepl;
748 c66b5250 2006-06-25 devnull i->clipr = clipr;
749 c66b5250 2006-06-25 devnull if(!repl)
750 c66b5250 2006-06-25 devnull rectclip(&i->clipr, r);
751 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, i, 0) == 0){
752 c66b5250 2006-06-25 devnull freememimage(i);
753 c66b5250 2006-06-25 devnull goto Edrawmem;
755 c66b5250 2006-06-25 devnull memfillcolor(i, value);
756 c66b5250 2006-06-25 devnull continue;
758 c66b5250 2006-06-25 devnull /* allocate screen: 'A' id[4] imageid[4] fillid[4] public[1] */
759 c66b5250 2006-06-25 devnull case 'A':
760 c66b5250 2006-06-25 devnull m = 1+4+4+4+1;
761 c66b5250 2006-06-25 devnull if(n < m)
762 c66b5250 2006-06-25 devnull goto Eshortdraw;
763 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
764 c66b5250 2006-06-25 devnull if(dstid == 0)
765 c66b5250 2006-06-25 devnull goto Ebadarg;
766 88ed92aa 2020-01-13 rsc if(drawlookupdscreen(client, dstid))
767 c66b5250 2006-06-25 devnull goto Escreenexists;
768 c66b5250 2006-06-25 devnull ddst = drawlookup(client, BGLONG(a+5), 1);
769 c66b5250 2006-06-25 devnull dsrc = drawlookup(client, BGLONG(a+9), 1);
770 c66b5250 2006-06-25 devnull if(ddst==0 || dsrc==0)
771 c66b5250 2006-06-25 devnull goto Enodrawimage;
772 c66b5250 2006-06-25 devnull if(drawinstallscreen(client, 0, dstid, ddst, dsrc, a[13]) == 0)
773 c66b5250 2006-06-25 devnull goto Edrawmem;
774 c66b5250 2006-06-25 devnull continue;
776 c66b5250 2006-06-25 devnull /* set repl and clip: 'c' dstid[4] repl[1] clipR[4*4] */
777 c66b5250 2006-06-25 devnull case 'c':
778 c66b5250 2006-06-25 devnull m = 1+4+1+4*4;
779 c66b5250 2006-06-25 devnull if(n < m)
780 c66b5250 2006-06-25 devnull goto Eshortdraw;
781 c66b5250 2006-06-25 devnull ddst = drawlookup(client, BGLONG(a+1), 1);
782 c66b5250 2006-06-25 devnull if(ddst == nil)
783 c66b5250 2006-06-25 devnull goto Enodrawimage;
784 c66b5250 2006-06-25 devnull if(ddst->name){
785 c66b5250 2006-06-25 devnull err = "can't change repl/clipr of shared image";
786 c66b5250 2006-06-25 devnull goto error;
788 c66b5250 2006-06-25 devnull dst = ddst->image;
789 c66b5250 2006-06-25 devnull if(a[5])
790 c66b5250 2006-06-25 devnull dst->flags |= Frepl;
791 c66b5250 2006-06-25 devnull drawrectangle(&dst->clipr, a+6);
792 c66b5250 2006-06-25 devnull continue;
794 c66b5250 2006-06-25 devnull /* draw: 'd' dstid[4] srcid[4] maskid[4] R[4*4] P[2*4] P[2*4] */
795 c66b5250 2006-06-25 devnull case 'd':
796 c66b5250 2006-06-25 devnull m = 1+4+4+4+4*4+2*4+2*4;
797 c66b5250 2006-06-25 devnull if(n < m)
798 c66b5250 2006-06-25 devnull goto Eshortdraw;
799 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
800 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
801 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
802 c66b5250 2006-06-25 devnull mask = drawimage(client, a+9);
803 c66b5250 2006-06-25 devnull if(!dst || !src || !mask)
804 c66b5250 2006-06-25 devnull goto Enodrawimage;
805 c66b5250 2006-06-25 devnull drawrectangle(&r, a+13);
806 c66b5250 2006-06-25 devnull drawpoint(&p, a+29);
807 c66b5250 2006-06-25 devnull drawpoint(&q, a+37);
808 c66b5250 2006-06-25 devnull op = drawclientop(client);
809 c66b5250 2006-06-25 devnull memdraw(dst, r, src, p, mask, q, op);
810 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
811 c66b5250 2006-06-25 devnull continue;
813 c66b5250 2006-06-25 devnull /* toggle debugging: 'D' val[1] */
814 c66b5250 2006-06-25 devnull case 'D':
815 c66b5250 2006-06-25 devnull m = 1+1;
816 c66b5250 2006-06-25 devnull if(n < m)
817 c66b5250 2006-06-25 devnull goto Eshortdraw;
818 c66b5250 2006-06-25 devnull drawdebug = a[1];
819 c66b5250 2006-06-25 devnull continue;
821 c66b5250 2006-06-25 devnull /* ellipse: 'e' dstid[4] srcid[4] center[2*4] a[4] b[4] thick[4] sp[2*4] alpha[4] phi[4]*/
822 c66b5250 2006-06-25 devnull case 'e':
823 c66b5250 2006-06-25 devnull case 'E':
824 c66b5250 2006-06-25 devnull m = 1+4+4+2*4+4+4+4+2*4+2*4;
825 c66b5250 2006-06-25 devnull if(n < m)
826 c66b5250 2006-06-25 devnull goto Eshortdraw;
827 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
828 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
829 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
830 c66b5250 2006-06-25 devnull if(!dst || !src)
831 c66b5250 2006-06-25 devnull goto Enodrawimage;
832 c66b5250 2006-06-25 devnull drawpoint(&p, a+9);
833 c66b5250 2006-06-25 devnull e0 = BGLONG(a+17);
834 c66b5250 2006-06-25 devnull e1 = BGLONG(a+21);
835 c66b5250 2006-06-25 devnull if(e0<0 || e1<0){
836 c66b5250 2006-06-25 devnull err = "invalid ellipse semidiameter";
837 c66b5250 2006-06-25 devnull goto error;
839 c66b5250 2006-06-25 devnull j = BGLONG(a+25);
840 c66b5250 2006-06-25 devnull if(j < 0){
841 c66b5250 2006-06-25 devnull err = "negative ellipse thickness";
842 c66b5250 2006-06-25 devnull goto error;
845 c66b5250 2006-06-25 devnull drawpoint(&sp, a+29);
847 c66b5250 2006-06-25 devnull if(*a == 'E')
849 c66b5250 2006-06-25 devnull ox = BGLONG(a+37);
850 c66b5250 2006-06-25 devnull oy = BGLONG(a+41);
851 c66b5250 2006-06-25 devnull op = drawclientop(client);
852 c66b5250 2006-06-25 devnull /* high bit indicates arc angles are present */
853 c66b5250 2006-06-25 devnull if(ox & ((ulong)1<<31)){
854 c66b5250 2006-06-25 devnull if((ox & ((ulong)1<<30)) == 0)
855 c66b5250 2006-06-25 devnull ox &= ~((ulong)1<<31);
856 c66b5250 2006-06-25 devnull memarc(dst, p, e0, e1, c, src, sp, ox, oy, op);
858 c66b5250 2006-06-25 devnull memellipse(dst, p, e0, e1, c, src, sp, op);
859 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, Rect(p.x-e0-j, p.y-e1-j, p.x+e0+j+1, p.y+e1+j+1));
860 c66b5250 2006-06-25 devnull continue;
862 c66b5250 2006-06-25 devnull /* free: 'f' id[4] */
863 c66b5250 2006-06-25 devnull case 'f':
864 c66b5250 2006-06-25 devnull m = 1+4;
865 c66b5250 2006-06-25 devnull if(n < m)
866 c66b5250 2006-06-25 devnull goto Eshortdraw;
867 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1), 0);
868 c66b5250 2006-06-25 devnull if(ll && ll->dscreen && ll->dscreen->owner != client)
869 c66b5250 2006-06-25 devnull ll->dscreen->owner->refreshme = 1;
870 c66b5250 2006-06-25 devnull if(drawuninstall(client, BGLONG(a+1)) < 0)
871 c66b5250 2006-06-25 devnull goto Enodrawimage;
872 c66b5250 2006-06-25 devnull continue;
874 c66b5250 2006-06-25 devnull /* free screen: 'F' id[4] */
875 c66b5250 2006-06-25 devnull case 'F':
876 c66b5250 2006-06-25 devnull m = 1+4;
877 c66b5250 2006-06-25 devnull if(n < m)
878 c66b5250 2006-06-25 devnull goto Eshortdraw;
879 c66b5250 2006-06-25 devnull if(!drawlookupscreen(client, BGLONG(a+1), &cs))
880 c66b5250 2006-06-25 devnull goto Enodrawscreen;
881 c66b5250 2006-06-25 devnull drawuninstallscreen(client, cs);
882 c66b5250 2006-06-25 devnull continue;
884 c66b5250 2006-06-25 devnull /* initialize font: 'i' fontid[4] nchars[4] ascent[1] */
885 c66b5250 2006-06-25 devnull case 'i':
886 c66b5250 2006-06-25 devnull m = 1+4+4+1;
887 c66b5250 2006-06-25 devnull if(n < m)
888 c66b5250 2006-06-25 devnull goto Eshortdraw;
889 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
890 c66b5250 2006-06-25 devnull if(dstid == 0){
891 c66b5250 2006-06-25 devnull err = "can't use display as font";
892 c66b5250 2006-06-25 devnull goto error;
894 c66b5250 2006-06-25 devnull font = drawlookup(client, dstid, 1);
895 c66b5250 2006-06-25 devnull if(font == 0)
896 c66b5250 2006-06-25 devnull goto Enodrawimage;
897 c66b5250 2006-06-25 devnull if(font->image->layer){
898 c66b5250 2006-06-25 devnull err = "can't use window as font";
899 c66b5250 2006-06-25 devnull goto error;
901 c66b5250 2006-06-25 devnull ni = BGLONG(a+5);
902 c66b5250 2006-06-25 devnull if(ni<=0 || ni>4096){
903 c66b5250 2006-06-25 devnull err = "bad font size (4096 chars max)";
904 c66b5250 2006-06-25 devnull goto error;
906 c66b5250 2006-06-25 devnull free(font->fchar); /* should we complain if non-zero? */
907 c66b5250 2006-06-25 devnull font->fchar = mallocz(ni*sizeof(FChar), 1);
908 c66b5250 2006-06-25 devnull if(font->fchar == 0){
909 c66b5250 2006-06-25 devnull err = "no memory for font";
910 c66b5250 2006-06-25 devnull goto error;
912 c66b5250 2006-06-25 devnull memset(font->fchar, 0, ni*sizeof(FChar));
913 c66b5250 2006-06-25 devnull font->nfchar = ni;
914 c66b5250 2006-06-25 devnull font->ascent = a[9];
915 c66b5250 2006-06-25 devnull continue;
917 c66b5250 2006-06-25 devnull /* set image 0 to screen image */
918 c66b5250 2006-06-25 devnull case 'J':
920 c66b5250 2006-06-25 devnull if(n < m)
921 c66b5250 2006-06-25 devnull goto Eshortdraw;
922 c66b5250 2006-06-25 devnull if(drawlookup(client, 0, 0))
923 c66b5250 2006-06-25 devnull goto Eimageexists;
924 88ed92aa 2020-01-13 rsc drawinstall(client, 0, client->screenimage, 0);
925 c66b5250 2006-06-25 devnull client->infoid = 0;
926 c66b5250 2006-06-25 devnull continue;
928 c66b5250 2006-06-25 devnull /* get image info: 'I' */
929 c66b5250 2006-06-25 devnull case 'I':
931 c66b5250 2006-06-25 devnull if(n < m)
932 c66b5250 2006-06-25 devnull goto Eshortdraw;
933 c66b5250 2006-06-25 devnull if(client->infoid < 0)
934 c66b5250 2006-06-25 devnull goto Enodrawimage;
935 c66b5250 2006-06-25 devnull if(client->infoid == 0){
936 88ed92aa 2020-01-13 rsc i = client->screenimage;
937 c66b5250 2006-06-25 devnull if(i == nil)
938 c66b5250 2006-06-25 devnull goto Enodrawimage;
940 c66b5250 2006-06-25 devnull di = drawlookup(client, client->infoid, 1);
941 c66b5250 2006-06-25 devnull if(di == nil)
942 c66b5250 2006-06-25 devnull goto Enodrawimage;
943 c66b5250 2006-06-25 devnull i = di->image;
945 c66b5250 2006-06-25 devnull ni = sprint(ibuf, "%11d %11d %11s %11d %11d %11d %11d %11d"
946 c66b5250 2006-06-25 devnull " %11d %11d %11d %11d ",
947 c66b5250 2006-06-25 devnull client->clientid,
948 fa325e9b 2020-01-10 cross client->infoid,
949 c66b5250 2006-06-25 devnull chantostr(cbuf, i->chan),
950 c66b5250 2006-06-25 devnull (i->flags&Frepl)==Frepl,
951 c66b5250 2006-06-25 devnull i->r.min.x, i->r.min.y, i->r.max.x, i->r.max.y,
952 fa325e9b 2020-01-10 cross i->clipr.min.x, i->clipr.min.y,
953 c66b5250 2006-06-25 devnull i->clipr.max.x, i->clipr.max.y);
954 c66b5250 2006-06-25 devnull free(client->readdata);
955 c66b5250 2006-06-25 devnull client->readdata = malloc(ni);
956 c66b5250 2006-06-25 devnull if(client->readdata == nil)
957 c66b5250 2006-06-25 devnull goto Enomem;
958 c66b5250 2006-06-25 devnull memmove(client->readdata, ibuf, ni);
959 c66b5250 2006-06-25 devnull client->nreaddata = ni;
960 c66b5250 2006-06-25 devnull client->infoid = -1;
963 d0e07019 2012-11-26 rsc /* query: 'Q' n[1] queryspec[n] */
966 d0e07019 2012-11-26 rsc goto Eshortdraw;
967 d0e07019 2012-11-26 rsc m = 1+1+a[1];
969 d0e07019 2012-11-26 rsc goto Eshortdraw;
970 d0e07019 2012-11-26 rsc fmtstrinit(&fmt);
971 d0e07019 2012-11-26 rsc for(c=0; c<a[1]; c++) {
972 d0e07019 2012-11-26 rsc switch(a[2+c]) {
974 d0e07019 2012-11-26 rsc err = "unknown query";
976 d0e07019 2012-11-26 rsc case 'd': /* dpi */
977 88ed92aa 2020-01-13 rsc if(client->forcedpi)
978 88ed92aa 2020-01-13 rsc fmtprint(&fmt, "%11d ", client->forcedpi);
980 88ed92aa 2020-01-13 rsc fmtprint(&fmt, "%11d ", client->displaydpi);
984 d0e07019 2012-11-26 rsc client->readdata = (uchar*)fmtstrflush(&fmt);
985 d0e07019 2012-11-26 rsc if(client->readdata == nil)
986 d0e07019 2012-11-26 rsc goto Enomem;
987 d0e07019 2012-11-26 rsc client->nreaddata = strlen((char*)client->readdata);
990 c66b5250 2006-06-25 devnull /* load character: 'l' fontid[4] srcid[4] index[2] R[4*4] P[2*4] left[1] width[1] */
991 c66b5250 2006-06-25 devnull case 'l':
992 c66b5250 2006-06-25 devnull m = 1+4+4+2+4*4+2*4+1+1;
993 c66b5250 2006-06-25 devnull if(n < m)
994 c66b5250 2006-06-25 devnull goto Eshortdraw;
995 c66b5250 2006-06-25 devnull font = drawlookup(client, BGLONG(a+1), 1);
996 c66b5250 2006-06-25 devnull if(font == 0)
997 c66b5250 2006-06-25 devnull goto Enodrawimage;
998 c66b5250 2006-06-25 devnull if(font->nfchar == 0)
999 c66b5250 2006-06-25 devnull goto Enotfont;
1000 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
1001 c66b5250 2006-06-25 devnull if(!src)
1002 c66b5250 2006-06-25 devnull goto Enodrawimage;
1003 c66b5250 2006-06-25 devnull ci = BGSHORT(a+9);
1004 c66b5250 2006-06-25 devnull if(ci >= font->nfchar)
1005 c66b5250 2006-06-25 devnull goto Eindex;
1006 c66b5250 2006-06-25 devnull drawrectangle(&r, a+11);
1007 c66b5250 2006-06-25 devnull drawpoint(&p, a+27);
1008 c66b5250 2006-06-25 devnull memdraw(font->image, r, src, p, memopaque, p, S);
1009 c66b5250 2006-06-25 devnull fc = &font->fchar[ci];
1010 c66b5250 2006-06-25 devnull fc->minx = r.min.x;
1011 c66b5250 2006-06-25 devnull fc->maxx = r.max.x;
1012 c66b5250 2006-06-25 devnull fc->miny = r.min.y;
1013 c66b5250 2006-06-25 devnull fc->maxy = r.max.y;
1014 c66b5250 2006-06-25 devnull fc->left = a[35];
1015 c66b5250 2006-06-25 devnull fc->width = a[36];
1016 c66b5250 2006-06-25 devnull continue;
1018 c66b5250 2006-06-25 devnull /* draw line: 'L' dstid[4] p0[2*4] p1[2*4] end0[4] end1[4] radius[4] srcid[4] sp[2*4] */
1019 c66b5250 2006-06-25 devnull case 'L':
1020 c66b5250 2006-06-25 devnull m = 1+4+2*4+2*4+4+4+4+4+2*4;
1021 c66b5250 2006-06-25 devnull if(n < m)
1022 c66b5250 2006-06-25 devnull goto Eshortdraw;
1023 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1024 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1025 c66b5250 2006-06-25 devnull drawpoint(&p, a+5);
1026 c66b5250 2006-06-25 devnull drawpoint(&q, a+13);
1027 c66b5250 2006-06-25 devnull e0 = BGLONG(a+21);
1028 c66b5250 2006-06-25 devnull e1 = BGLONG(a+25);
1029 c66b5250 2006-06-25 devnull j = BGLONG(a+29);
1030 c66b5250 2006-06-25 devnull if(j < 0){
1031 c66b5250 2006-06-25 devnull err = "negative line width";
1032 c66b5250 2006-06-25 devnull goto error;
1034 c66b5250 2006-06-25 devnull src = drawimage(client, a+33);
1035 c66b5250 2006-06-25 devnull if(!dst || !src)
1036 c66b5250 2006-06-25 devnull goto Enodrawimage;
1037 c66b5250 2006-06-25 devnull drawpoint(&sp, a+37);
1038 c66b5250 2006-06-25 devnull op = drawclientop(client);
1039 c66b5250 2006-06-25 devnull memline(dst, p, q, e0, e1, j, src, sp, op);
1040 c66b5250 2006-06-25 devnull /* avoid memlinebbox if possible */
1041 c66b5250 2006-06-25 devnull if(dstid==0 || dst->layer!=nil){
1042 c66b5250 2006-06-25 devnull /* BUG: this is terribly inefficient: update maximal containing rect*/
1043 c66b5250 2006-06-25 devnull r = memlinebbox(p, q, e0, e1, j);
1044 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, insetrect(r, -(1+1+j)));
1046 c66b5250 2006-06-25 devnull continue;
1048 c66b5250 2006-06-25 devnull /* create image mask: 'm' newid[4] id[4] */
1051 c66b5250 2006-06-25 devnull case 'm':
1052 c66b5250 2006-06-25 devnull m = 4+4;
1053 c66b5250 2006-06-25 devnull if(n < m)
1054 c66b5250 2006-06-25 devnull goto Eshortdraw;
1059 c66b5250 2006-06-25 devnull /* attach to a named image: 'n' dstid[4] j[1] name[j] */
1060 c66b5250 2006-06-25 devnull case 'n':
1061 c66b5250 2006-06-25 devnull m = 1+4+1;
1062 c66b5250 2006-06-25 devnull if(n < m)
1063 c66b5250 2006-06-25 devnull goto Eshortdraw;
1064 c66b5250 2006-06-25 devnull j = a[5];
1065 c66b5250 2006-06-25 devnull if(j == 0) /* give me a non-empty name please */
1066 c66b5250 2006-06-25 devnull goto Eshortdraw;
1067 c66b5250 2006-06-25 devnull m += j;
1068 c66b5250 2006-06-25 devnull if(n < m)
1069 c66b5250 2006-06-25 devnull goto Eshortdraw;
1070 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1071 c66b5250 2006-06-25 devnull if(drawlookup(client, dstid, 0))
1072 c66b5250 2006-06-25 devnull goto Eimageexists;
1073 88ed92aa 2020-01-13 rsc dn = drawlookupname(client, j, (char*)a+6);
1074 c66b5250 2006-06-25 devnull if(dn == nil)
1075 c66b5250 2006-06-25 devnull goto Enoname;
1076 c66b5250 2006-06-25 devnull s = malloc(j+1);
1077 c66b5250 2006-06-25 devnull if(s == nil)
1078 c66b5250 2006-06-25 devnull goto Enomem;
1079 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, dn->dimage->image, 0) == 0)
1080 c66b5250 2006-06-25 devnull goto Edrawmem;
1081 c66b5250 2006-06-25 devnull di = drawlookup(client, dstid, 0);
1082 c66b5250 2006-06-25 devnull if(di == 0)
1083 c66b5250 2006-06-25 devnull goto Eoldname;
1084 c66b5250 2006-06-25 devnull di->vers = dn->vers;
1085 c66b5250 2006-06-25 devnull di->name = s;
1086 c66b5250 2006-06-25 devnull di->fromname = dn->dimage;
1087 c66b5250 2006-06-25 devnull di->fromname->ref++;
1088 c66b5250 2006-06-25 devnull memmove(di->name, a+6, j);
1089 c66b5250 2006-06-25 devnull di->name[j] = 0;
1090 c66b5250 2006-06-25 devnull client->infoid = dstid;
1091 c66b5250 2006-06-25 devnull continue;
1093 c66b5250 2006-06-25 devnull /* name an image: 'N' dstid[4] in[1] j[1] name[j] */
1094 c66b5250 2006-06-25 devnull case 'N':
1095 c66b5250 2006-06-25 devnull m = 1+4+1+1;
1096 c66b5250 2006-06-25 devnull if(n < m)
1097 c66b5250 2006-06-25 devnull goto Eshortdraw;
1098 c66b5250 2006-06-25 devnull c = a[5];
1099 c66b5250 2006-06-25 devnull j = a[6];
1100 c66b5250 2006-06-25 devnull if(j == 0) /* give me a non-empty name please */
1101 c66b5250 2006-06-25 devnull goto Eshortdraw;
1102 c66b5250 2006-06-25 devnull m += j;
1103 c66b5250 2006-06-25 devnull if(n < m)
1104 c66b5250 2006-06-25 devnull goto Eshortdraw;
1105 c66b5250 2006-06-25 devnull di = drawlookup(client, BGLONG(a+1), 0);
1106 c66b5250 2006-06-25 devnull if(di == 0)
1107 c66b5250 2006-06-25 devnull goto Enodrawimage;
1108 c66b5250 2006-06-25 devnull if(di->name)
1109 c66b5250 2006-06-25 devnull goto Enamed;
1111 c66b5250 2006-06-25 devnull if(drawaddname(client, di, j, (char*)a+7, &err) < 0)
1112 c66b5250 2006-06-25 devnull goto error;
1114 88ed92aa 2020-01-13 rsc dn = drawlookupname(client, j, (char*)a+7);
1115 c66b5250 2006-06-25 devnull if(dn == nil)
1116 c66b5250 2006-06-25 devnull goto Enoname;
1117 c66b5250 2006-06-25 devnull if(dn->dimage != di)
1118 c66b5250 2006-06-25 devnull goto Ewrongname;
1119 88ed92aa 2020-01-13 rsc drawdelname(client, dn);
1121 c66b5250 2006-06-25 devnull continue;
1123 c66b5250 2006-06-25 devnull /* position window: 'o' id[4] r.min [2*4] screenr.min [2*4] */
1124 c66b5250 2006-06-25 devnull case 'o':
1125 c66b5250 2006-06-25 devnull m = 1+4+2*4+2*4;
1126 c66b5250 2006-06-25 devnull if(n < m)
1127 c66b5250 2006-06-25 devnull goto Eshortdraw;
1128 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1129 c66b5250 2006-06-25 devnull if(!dst)
1130 c66b5250 2006-06-25 devnull goto Enodrawimage;
1131 c66b5250 2006-06-25 devnull if(dst->layer){
1132 c66b5250 2006-06-25 devnull drawpoint(&p, a+5);
1133 c66b5250 2006-06-25 devnull drawpoint(&q, a+13);
1134 c66b5250 2006-06-25 devnull r = dst->layer->screenr;
1135 c66b5250 2006-06-25 devnull ni = memlorigin(dst, p, q);
1136 c66b5250 2006-06-25 devnull if(ni < 0){
1137 c66b5250 2006-06-25 devnull err = "image origin failed";
1138 c66b5250 2006-06-25 devnull goto error;
1140 c66b5250 2006-06-25 devnull if(ni > 0){
1141 88ed92aa 2020-01-13 rsc addflush(client, r);
1142 88ed92aa 2020-01-13 rsc addflush(client, dst->layer->screenr);
1143 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1), 1);
1144 c66b5250 2006-06-25 devnull drawrefreshscreen(ll, client);
1147 c66b5250 2006-06-25 devnull continue;
1149 c66b5250 2006-06-25 devnull /* set compositing operator for next draw operation: 'O' op */
1150 c66b5250 2006-06-25 devnull case 'O':
1151 c66b5250 2006-06-25 devnull m = 1+1;
1152 c66b5250 2006-06-25 devnull if(n < m)
1153 c66b5250 2006-06-25 devnull goto Eshortdraw;
1154 c66b5250 2006-06-25 devnull client->op = a[1];
1155 c66b5250 2006-06-25 devnull continue;
1157 c66b5250 2006-06-25 devnull /* filled polygon: 'P' dstid[4] n[2] wind[4] ignore[2*4] srcid[4] sp[2*4] p0[2*4] dp[2*2*n] */
1158 c66b5250 2006-06-25 devnull /* polygon: 'p' dstid[4] n[2] end0[4] end1[4] radius[4] srcid[4] sp[2*4] p0[2*4] dp[2*2*n] */
1159 c66b5250 2006-06-25 devnull case 'p':
1160 c66b5250 2006-06-25 devnull case 'P':
1161 c66b5250 2006-06-25 devnull m = 1+4+2+4+4+4+4+2*4;
1162 c66b5250 2006-06-25 devnull if(n < m)
1163 c66b5250 2006-06-25 devnull goto Eshortdraw;
1164 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1165 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1166 c66b5250 2006-06-25 devnull ni = BGSHORT(a+5);
1167 c66b5250 2006-06-25 devnull if(ni < 0){
1168 c66b5250 2006-06-25 devnull err = "negative cout in polygon";
1169 c66b5250 2006-06-25 devnull goto error;
1171 c66b5250 2006-06-25 devnull e0 = BGLONG(a+7);
1172 c66b5250 2006-06-25 devnull e1 = BGLONG(a+11);
1174 c66b5250 2006-06-25 devnull if(*a == 'p'){
1175 c66b5250 2006-06-25 devnull j = BGLONG(a+15);
1176 c66b5250 2006-06-25 devnull if(j < 0){
1177 c66b5250 2006-06-25 devnull err = "negative polygon line width";
1178 c66b5250 2006-06-25 devnull goto error;
1181 c66b5250 2006-06-25 devnull src = drawimage(client, a+19);
1182 c66b5250 2006-06-25 devnull if(!dst || !src)
1183 c66b5250 2006-06-25 devnull goto Enodrawimage;
1184 c66b5250 2006-06-25 devnull drawpoint(&sp, a+23);
1185 c66b5250 2006-06-25 devnull drawpoint(&p, a+31);
1187 c66b5250 2006-06-25 devnull pp = mallocz(ni*sizeof(Point), 1);
1188 c66b5250 2006-06-25 devnull if(pp == nil)
1189 c66b5250 2006-06-25 devnull goto Enomem;
1190 c66b5250 2006-06-25 devnull doflush = 0;
1191 88ed92aa 2020-01-13 rsc if(dstid==0 || (dst->layer && dst->layer->screen->image->data == client->screenimage->data))
1192 c66b5250 2006-06-25 devnull doflush = 1; /* simplify test in loop */
1193 c66b5250 2006-06-25 devnull ox = oy = 0;
1194 c66b5250 2006-06-25 devnull esize = 0;
1195 c66b5250 2006-06-25 devnull u = a+m;
1196 c66b5250 2006-06-25 devnull for(y=0; y<ni; y++){
1198 c66b5250 2006-06-25 devnull oesize = esize;
1199 c66b5250 2006-06-25 devnull u = drawcoord(u, a+n, ox, &p.x);
1201 c66b5250 2006-06-25 devnull goto Eshortdraw;
1202 c66b5250 2006-06-25 devnull u = drawcoord(u, a+n, oy, &p.y);
1204 c66b5250 2006-06-25 devnull goto Eshortdraw;
1205 c66b5250 2006-06-25 devnull ox = p.x;
1206 c66b5250 2006-06-25 devnull oy = p.y;
1207 c66b5250 2006-06-25 devnull if(doflush){
1208 c66b5250 2006-06-25 devnull esize = j;
1209 c66b5250 2006-06-25 devnull if(*a == 'p'){
1210 c66b5250 2006-06-25 devnull if(y == 0){
1211 c66b5250 2006-06-25 devnull c = memlineendsize(e0);
1212 c66b5250 2006-06-25 devnull if(c > esize)
1213 c66b5250 2006-06-25 devnull esize = c;
1215 c66b5250 2006-06-25 devnull if(y == ni-1){
1216 c66b5250 2006-06-25 devnull c = memlineendsize(e1);
1217 c66b5250 2006-06-25 devnull if(c > esize)
1218 c66b5250 2006-06-25 devnull esize = c;
1221 c66b5250 2006-06-25 devnull if(*a=='P' && e0!=1 && e0 !=~0)
1222 c66b5250 2006-06-25 devnull r = dst->clipr;
1223 c66b5250 2006-06-25 devnull else if(y > 0){
1224 c66b5250 2006-06-25 devnull r = Rect(q.x-oesize, q.y-oesize, q.x+oesize+1, q.y+oesize+1);
1225 c66b5250 2006-06-25 devnull combinerect(&r, Rect(p.x-esize, p.y-esize, p.x+esize+1, p.y+esize+1));
1227 c66b5250 2006-06-25 devnull if(rectclip(&r, dst->clipr)) /* should perhaps be an arg to dstflush */
1228 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
1230 c66b5250 2006-06-25 devnull pp[y] = p;
1232 c66b5250 2006-06-25 devnull if(y == 1)
1233 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, Rect(p.x-esize, p.y-esize, p.x+esize+1, p.y+esize+1));
1234 c66b5250 2006-06-25 devnull op = drawclientop(client);
1235 c66b5250 2006-06-25 devnull if(*a == 'p')
1236 c66b5250 2006-06-25 devnull mempoly(dst, pp, ni, e0, e1, j, src, sp, op);
1238 c66b5250 2006-06-25 devnull memfillpoly(dst, pp, ni, e0, src, sp, op);
1239 c66b5250 2006-06-25 devnull free(pp);
1240 c66b5250 2006-06-25 devnull m = u-a;
1241 c66b5250 2006-06-25 devnull continue;
1243 c66b5250 2006-06-25 devnull /* read: 'r' id[4] R[4*4] */
1244 c66b5250 2006-06-25 devnull case 'r':
1245 c66b5250 2006-06-25 devnull m = 1+4+4*4;
1246 c66b5250 2006-06-25 devnull if(n < m)
1247 c66b5250 2006-06-25 devnull goto Eshortdraw;
1248 c66b5250 2006-06-25 devnull i = drawimage(client, a+1);
1250 c66b5250 2006-06-25 devnull goto Enodrawimage;
1251 c66b5250 2006-06-25 devnull drawrectangle(&r, a+5);
1252 c66b5250 2006-06-25 devnull if(!rectinrect(r, i->r))
1253 c66b5250 2006-06-25 devnull goto Ereadoutside;
1254 c66b5250 2006-06-25 devnull c = bytesperline(r, i->depth);
1255 c66b5250 2006-06-25 devnull c *= Dy(r);
1256 c66b5250 2006-06-25 devnull free(client->readdata);
1257 c66b5250 2006-06-25 devnull client->readdata = mallocz(c, 0);
1258 c66b5250 2006-06-25 devnull if(client->readdata == nil){
1259 c66b5250 2006-06-25 devnull err = "readimage malloc failed";
1260 c66b5250 2006-06-25 devnull goto error;
1262 c66b5250 2006-06-25 devnull client->nreaddata = memunload(i, r, client->readdata, c);
1263 c66b5250 2006-06-25 devnull if(client->nreaddata < 0){
1264 c66b5250 2006-06-25 devnull free(client->readdata);
1265 c66b5250 2006-06-25 devnull client->readdata = nil;
1266 c66b5250 2006-06-25 devnull err = "bad readimage call";
1267 c66b5250 2006-06-25 devnull goto error;
1269 c66b5250 2006-06-25 devnull continue;
1271 c66b5250 2006-06-25 devnull /* string: 's' dstid[4] srcid[4] fontid[4] P[2*4] clipr[4*4] sp[2*4] ni[2] ni*(index[2]) */
1272 c66b5250 2006-06-25 devnull /* stringbg: 'x' dstid[4] srcid[4] fontid[4] P[2*4] clipr[4*4] sp[2*4] ni[2] bgid[4] bgpt[2*4] ni*(index[2]) */
1273 c66b5250 2006-06-25 devnull case 's':
1274 c66b5250 2006-06-25 devnull case 'x':
1275 c66b5250 2006-06-25 devnull m = 1+4+4+4+2*4+4*4+2*4+2;
1276 c66b5250 2006-06-25 devnull if(*a == 'x')
1277 c66b5250 2006-06-25 devnull m += 4+2*4;
1278 c66b5250 2006-06-25 devnull if(n < m)
1279 c66b5250 2006-06-25 devnull goto Eshortdraw;
1281 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1282 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1283 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
1284 c66b5250 2006-06-25 devnull if(!dst || !src)
1285 c66b5250 2006-06-25 devnull goto Enodrawimage;
1286 c66b5250 2006-06-25 devnull font = drawlookup(client, BGLONG(a+9), 1);
1287 c66b5250 2006-06-25 devnull if(font == 0)
1288 c66b5250 2006-06-25 devnull goto Enodrawimage;
1289 c66b5250 2006-06-25 devnull if(font->nfchar == 0)
1290 c66b5250 2006-06-25 devnull goto Enotfont;
1291 c66b5250 2006-06-25 devnull drawpoint(&p, a+13);
1292 c66b5250 2006-06-25 devnull drawrectangle(&r, a+21);
1293 c66b5250 2006-06-25 devnull drawpoint(&sp, a+37);
1294 c66b5250 2006-06-25 devnull ni = BGSHORT(a+45);
1295 c66b5250 2006-06-25 devnull u = a+m;
1296 c66b5250 2006-06-25 devnull m += ni*2;
1297 c66b5250 2006-06-25 devnull if(n < m)
1298 c66b5250 2006-06-25 devnull goto Eshortdraw;
1299 c66b5250 2006-06-25 devnull clipr = dst->clipr;
1300 c66b5250 2006-06-25 devnull dst->clipr = r;
1301 c66b5250 2006-06-25 devnull op = drawclientop(client);
1302 c66b5250 2006-06-25 devnull if(*a == 'x'){
1303 c66b5250 2006-06-25 devnull /* paint background */
1304 c66b5250 2006-06-25 devnull l = drawimage(client, a+47);
1306 c66b5250 2006-06-25 devnull goto Enodrawimage;
1307 c66b5250 2006-06-25 devnull drawpoint(&q, a+51);
1308 c66b5250 2006-06-25 devnull r.min.x = p.x;
1309 c66b5250 2006-06-25 devnull r.min.y = p.y-font->ascent;
1310 c66b5250 2006-06-25 devnull r.max.x = p.x;
1311 c66b5250 2006-06-25 devnull r.max.y = r.min.y+Dy(font->image->r);
1312 c66b5250 2006-06-25 devnull j = ni;
1313 c66b5250 2006-06-25 devnull while(--j >= 0){
1314 c66b5250 2006-06-25 devnull ci = BGSHORT(u);
1315 c66b5250 2006-06-25 devnull if(ci<0 || ci>=font->nfchar){
1316 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1317 c66b5250 2006-06-25 devnull goto Eindex;
1319 c66b5250 2006-06-25 devnull r.max.x += font->fchar[ci].width;
1320 c66b5250 2006-06-25 devnull u += 2;
1322 c66b5250 2006-06-25 devnull memdraw(dst, r, l, q, memopaque, ZP, op);
1323 c66b5250 2006-06-25 devnull u -= 2*ni;
1326 c66b5250 2006-06-25 devnull while(--ni >= 0){
1327 c66b5250 2006-06-25 devnull ci = BGSHORT(u);
1328 c66b5250 2006-06-25 devnull if(ci<0 || ci>=font->nfchar){
1329 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1330 c66b5250 2006-06-25 devnull goto Eindex;
1332 c66b5250 2006-06-25 devnull q = drawchar(dst, q, src, &sp, font, ci, op);
1333 c66b5250 2006-06-25 devnull u += 2;
1335 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1336 c66b5250 2006-06-25 devnull p.y -= font->ascent;
1337 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, Rect(p.x, p.y, q.x, p.y+Dy(font->image->r)));
1338 c66b5250 2006-06-25 devnull continue;
1340 c66b5250 2006-06-25 devnull /* use public screen: 'S' id[4] chan[4] */
1341 c66b5250 2006-06-25 devnull case 'S':
1342 c66b5250 2006-06-25 devnull m = 1+4+4;
1343 c66b5250 2006-06-25 devnull if(n < m)
1344 c66b5250 2006-06-25 devnull goto Eshortdraw;
1345 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1346 c66b5250 2006-06-25 devnull if(dstid == 0)
1347 c66b5250 2006-06-25 devnull goto Ebadarg;
1348 88ed92aa 2020-01-13 rsc dscrn = drawlookupdscreen(client, dstid);
1349 c66b5250 2006-06-25 devnull if(dscrn==0 || (dscrn->public==0 && dscrn->owner!=client))
1350 c66b5250 2006-06-25 devnull goto Enodrawscreen;
1351 c66b5250 2006-06-25 devnull if(dscrn->screen->image->chan != BGLONG(a+5)){
1352 c66b5250 2006-06-25 devnull err = "inconsistent chan";
1353 c66b5250 2006-06-25 devnull goto error;
1355 c66b5250 2006-06-25 devnull if(drawinstallscreen(client, dscrn, 0, 0, 0, 0) == 0)
1356 c66b5250 2006-06-25 devnull goto Edrawmem;
1357 c66b5250 2006-06-25 devnull continue;
1359 c66b5250 2006-06-25 devnull /* top or bottom windows: 't' top[1] nw[2] n*id[4] */
1360 c66b5250 2006-06-25 devnull case 't':
1361 c66b5250 2006-06-25 devnull m = 1+1+2;
1362 c66b5250 2006-06-25 devnull if(n < m)
1363 c66b5250 2006-06-25 devnull goto Eshortdraw;
1364 c66b5250 2006-06-25 devnull nw = BGSHORT(a+2);
1365 c66b5250 2006-06-25 devnull if(nw < 0)
1366 c66b5250 2006-06-25 devnull goto Ebadarg;
1367 c66b5250 2006-06-25 devnull if(nw == 0)
1368 c66b5250 2006-06-25 devnull continue;
1369 c66b5250 2006-06-25 devnull m += nw*4;
1370 c66b5250 2006-06-25 devnull if(n < m)
1371 c66b5250 2006-06-25 devnull goto Eshortdraw;
1372 c66b5250 2006-06-25 devnull lp = mallocz(nw*sizeof(Memimage*), 1);
1373 c66b5250 2006-06-25 devnull if(lp == 0)
1374 c66b5250 2006-06-25 devnull goto Enomem;
1375 c66b5250 2006-06-25 devnull for(j=0; j<nw; j++){
1376 c66b5250 2006-06-25 devnull lp[j] = drawimage(client, a+1+1+2+j*4);
1377 c66b5250 2006-06-25 devnull if(lp[j] == nil){
1378 c66b5250 2006-06-25 devnull free(lp);
1379 c66b5250 2006-06-25 devnull goto Enodrawimage;
1382 c66b5250 2006-06-25 devnull if(lp[0]->layer == 0){
1383 c66b5250 2006-06-25 devnull err = "images are not windows";
1384 c66b5250 2006-06-25 devnull free(lp);
1385 c66b5250 2006-06-25 devnull goto error;
1387 c66b5250 2006-06-25 devnull for(j=1; j<nw; j++)
1388 c66b5250 2006-06-25 devnull if(lp[j]->layer->screen != lp[0]->layer->screen){
1389 c66b5250 2006-06-25 devnull err = "images not on same screen";
1390 c66b5250 2006-06-25 devnull free(lp);
1391 c66b5250 2006-06-25 devnull goto error;
1393 c66b5250 2006-06-25 devnull if(a[1])
1394 c66b5250 2006-06-25 devnull memltofrontn(lp, nw);
1396 c66b5250 2006-06-25 devnull memltorearn(lp, nw);
1397 88ed92aa 2020-01-13 rsc if(lp[0]->layer->screen->image->data == client->screenimage->data)
1398 c66b5250 2006-06-25 devnull for(j=0; j<nw; j++)
1399 88ed92aa 2020-01-13 rsc addflush(client, lp[j]->layer->screenr);
1400 c66b5250 2006-06-25 devnull free(lp);
1401 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1+1+2), 1);
1402 c66b5250 2006-06-25 devnull drawrefreshscreen(ll, client);
1403 c66b5250 2006-06-25 devnull continue;
1405 c66b5250 2006-06-25 devnull /* visible: 'v' */
1406 c66b5250 2006-06-25 devnull case 'v':
1408 88ed92aa 2020-01-13 rsc drawflush(client);
1409 c66b5250 2006-06-25 devnull continue;
1411 c66b5250 2006-06-25 devnull /* write: 'y' id[4] R[4*4] data[x*1] */
1412 c66b5250 2006-06-25 devnull /* write from compressed data: 'Y' id[4] R[4*4] data[x*1] */
1413 c66b5250 2006-06-25 devnull case 'y':
1414 c66b5250 2006-06-25 devnull case 'Y':
1415 c66b5250 2006-06-25 devnull m = 1+4+4*4;
1416 c66b5250 2006-06-25 devnull if(n < m)
1417 c66b5250 2006-06-25 devnull goto Eshortdraw;
1418 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1419 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1420 c66b5250 2006-06-25 devnull if(!dst)
1421 c66b5250 2006-06-25 devnull goto Enodrawimage;
1422 c66b5250 2006-06-25 devnull drawrectangle(&r, a+5);
1423 c66b5250 2006-06-25 devnull if(!rectinrect(r, dst->r))
1424 c66b5250 2006-06-25 devnull goto Ewriteoutside;
1425 c66b5250 2006-06-25 devnull y = memload(dst, r, a+m, n-m, *a=='Y');
1426 c66b5250 2006-06-25 devnull if(y < 0){
1427 c66b5250 2006-06-25 devnull err = "bad writeimage call";
1428 c66b5250 2006-06-25 devnull goto error;
1430 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
1431 c66b5250 2006-06-25 devnull m += y;
1432 c66b5250 2006-06-25 devnull continue;
1435 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
1436 587933c1 2020-05-18 rsc qunlock(&drawlk);
1437 c66b5250 2006-06-25 devnull return oldn - n;
1439 c66b5250 2006-06-25 devnull Enodrawimage:
1440 c66b5250 2006-06-25 devnull err = "unknown id for draw image";
1441 c66b5250 2006-06-25 devnull goto error;
1442 c66b5250 2006-06-25 devnull Enodrawscreen:
1443 c66b5250 2006-06-25 devnull err = "unknown id for draw screen";
1444 c66b5250 2006-06-25 devnull goto error;
1445 c66b5250 2006-06-25 devnull Eshortdraw:
1446 c66b5250 2006-06-25 devnull err = "short draw message";
1447 c66b5250 2006-06-25 devnull goto error;
1449 c66b5250 2006-06-25 devnull Eshortread:
1450 c66b5250 2006-06-25 devnull err = "draw read too short";
1451 c66b5250 2006-06-25 devnull goto error;
1453 c66b5250 2006-06-25 devnull Eimageexists:
1454 c66b5250 2006-06-25 devnull err = "image id in use";
1455 c66b5250 2006-06-25 devnull goto error;
1456 c66b5250 2006-06-25 devnull Escreenexists:
1457 c66b5250 2006-06-25 devnull err = "screen id in use";
1458 c66b5250 2006-06-25 devnull goto error;
1459 c66b5250 2006-06-25 devnull Edrawmem:
1460 c66b5250 2006-06-25 devnull err = "image memory allocation failed";
1461 c66b5250 2006-06-25 devnull goto error;
1462 c66b5250 2006-06-25 devnull Ereadoutside:
1463 c66b5250 2006-06-25 devnull err = "readimage outside image";
1464 c66b5250 2006-06-25 devnull goto error;
1465 c66b5250 2006-06-25 devnull Ewriteoutside:
1466 c66b5250 2006-06-25 devnull err = "writeimage outside image";
1467 c66b5250 2006-06-25 devnull goto error;
1468 c66b5250 2006-06-25 devnull Enotfont:
1469 c66b5250 2006-06-25 devnull err = "image not a font";
1470 c66b5250 2006-06-25 devnull goto error;
1471 c66b5250 2006-06-25 devnull Eindex:
1472 c66b5250 2006-06-25 devnull err = "character index out of range";
1473 c66b5250 2006-06-25 devnull goto error;
1475 c66b5250 2006-06-25 devnull Enoclient:
1476 c66b5250 2006-06-25 devnull err = "no such draw client";
1477 c66b5250 2006-06-25 devnull goto error;
1478 c66b5250 2006-06-25 devnull Edepth:
1479 c66b5250 2006-06-25 devnull err = "image has bad depth";
1480 c66b5250 2006-06-25 devnull goto error;
1481 c66b5250 2006-06-25 devnull Enameused:
1482 c66b5250 2006-06-25 devnull err = "image name in use";
1483 c66b5250 2006-06-25 devnull goto error;
1485 c66b5250 2006-06-25 devnull Enoname:
1486 c66b5250 2006-06-25 devnull err = "no image with that name";
1487 c66b5250 2006-06-25 devnull goto error;
1488 c66b5250 2006-06-25 devnull Eoldname:
1489 c66b5250 2006-06-25 devnull err = "named image no longer valid";
1490 c66b5250 2006-06-25 devnull goto error;
1491 c66b5250 2006-06-25 devnull Enamed:
1492 c66b5250 2006-06-25 devnull err = "image already has name";
1493 c66b5250 2006-06-25 devnull goto error;
1494 c66b5250 2006-06-25 devnull Ewrongname:
1495 c66b5250 2006-06-25 devnull err = "wrong name for image";
1496 c66b5250 2006-06-25 devnull goto error;
1497 c66b5250 2006-06-25 devnull Enomem:
1498 c66b5250 2006-06-25 devnull err = "out of memory";
1499 c66b5250 2006-06-25 devnull goto error;
1500 c66b5250 2006-06-25 devnull Ebadarg:
1501 c66b5250 2006-06-25 devnull err = "bad argument in draw message";
1502 c66b5250 2006-06-25 devnull goto error;
1505 c66b5250 2006-06-25 devnull werrstr("%s", err);
1506 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
1507 587933c1 2020-05-18 rsc qunlock(&drawlk);
1508 c66b5250 2006-06-25 devnull return -1;
