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 c66b5250 2006-06-25 devnull static int drawuninstall(Client*, int);
18 c66b5250 2006-06-25 devnull static Memimage* drawinstall(Client*, int, Memimage*, DScreen*);
19 88ed92aa 2020-01-13 rsc static void drawfreedimage(Client*, DImage*);
22 41547af3 2020-01-13 rsc draw_initdisplaymemimage(Client *c, Memimage *m)
24 88ed92aa 2020-01-13 rsc c->screenimage = m;
25 c66b5250 2006-06-25 devnull m->screenref = 1;
27 88ed92aa 2020-01-13 rsc c->clientid = 1;
28 88ed92aa 2020-01-13 rsc c->op = SoverD;
31 41547af3 2020-01-13 rsc // gfx_replacescreenimage replaces c's screen image with m.
32 b1a086de 2020-01-13 rsc // It is called by the host driver on the main host thread.
34 41547af3 2020-01-13 rsc gfx_replacescreenimage(Client *c, Memimage *m)
37 c66b5250 2006-06-25 devnull * Replace the screen image because the screen
38 c66b5250 2006-06-25 devnull * was resized.
40 c66b5250 2006-06-25 devnull * In theory there should only be one reference
41 c66b5250 2006-06-25 devnull * to the current screen image, and that's through
42 c66b5250 2006-06-25 devnull * client0's image 0, installed a few lines above.
43 fa325e9b 2020-01-10 cross * Once the client drops the image, the underlying backing
44 c66b5250 2006-06-25 devnull * store freed properly. The client is being notified
45 c66b5250 2006-06-25 devnull * about the resize through external means, so all we
46 c66b5250 2006-06-25 devnull * need to do is this assignment.
48 c66b5250 2006-06-25 devnull Memimage *om;
50 41547af3 2020-01-13 rsc qlock(&c->drawlk);
51 88ed92aa 2020-01-13 rsc om = c->screenimage;
52 88ed92aa 2020-01-13 rsc c->screenimage = m;
53 c66b5250 2006-06-25 devnull m->screenref = 1;
54 c66b5250 2006-06-25 devnull if(om && --om->screenref == 0){
55 c66b5250 2006-06-25 devnull _freememimage(om);
57 41547af3 2020-01-13 rsc qunlock(&c->drawlk);
58 1f799495 2020-01-15 rsc gfx_mouseresized(c);
62 c66b5250 2006-06-25 devnull drawrefreshscreen(DImage *l, Client *client)
64 c66b5250 2006-06-25 devnull while(l != nil && l->dscreen == nil)
65 c66b5250 2006-06-25 devnull l = l->fromname;
66 c66b5250 2006-06-25 devnull if(l != nil && l->dscreen->owner != client)
67 c66b5250 2006-06-25 devnull l->dscreen->owner->refreshme = 1;
71 c66b5250 2006-06-25 devnull drawrefresh(Memimage *m, Rectangle r, void *v)
74 c66b5250 2006-06-25 devnull DImage *d;
75 c66b5250 2006-06-25 devnull Client *c;
76 c66b5250 2006-06-25 devnull Refresh *ref;
80 c66b5250 2006-06-25 devnull if(v == 0)
83 c66b5250 2006-06-25 devnull c = x->client;
84 c66b5250 2006-06-25 devnull d = x->dimage;
85 c66b5250 2006-06-25 devnull for(ref=c->refresh; ref; ref=ref->next)
86 c66b5250 2006-06-25 devnull if(ref->dimage == d){
87 c66b5250 2006-06-25 devnull combinerect(&ref->r, r);
90 c66b5250 2006-06-25 devnull ref = mallocz(sizeof(Refresh), 1);
92 c66b5250 2006-06-25 devnull ref->dimage = d;
93 c66b5250 2006-06-25 devnull ref->r = r;
94 c66b5250 2006-06-25 devnull ref->next = c->refresh;
95 c66b5250 2006-06-25 devnull c->refresh = ref;
99 c66b5250 2006-06-25 devnull static void
100 88ed92aa 2020-01-13 rsc addflush(Client *c, Rectangle r)
102 c66b5250 2006-06-25 devnull int abb, ar, anbb;
103 41547af3 2020-01-13 rsc Rectangle nbb, fr;
105 88ed92aa 2020-01-13 rsc if(/*sdraw.softscreen==0 ||*/ !rectclip(&r, c->screenimage->r))
108 88ed92aa 2020-01-13 rsc if(c->flushrect.min.x >= c->flushrect.max.x){
109 88ed92aa 2020-01-13 rsc c->flushrect = r;
110 88ed92aa 2020-01-13 rsc c->waste = 0;
113 88ed92aa 2020-01-13 rsc nbb = c->flushrect;
114 c66b5250 2006-06-25 devnull combinerect(&nbb, r);
115 c66b5250 2006-06-25 devnull ar = Dx(r)*Dy(r);
116 88ed92aa 2020-01-13 rsc abb = Dx(c->flushrect)*Dy(c->flushrect);
117 c66b5250 2006-06-25 devnull anbb = Dx(nbb)*Dy(nbb);
119 c66b5250 2006-06-25 devnull * Area of new waste is area of new bb minus area of old bb,
120 c66b5250 2006-06-25 devnull * less the area of the new segment, which we assume is not waste.
121 c66b5250 2006-06-25 devnull * This could be negative, but that's OK.
123 88ed92aa 2020-01-13 rsc c->waste += anbb-abb - ar;
124 88ed92aa 2020-01-13 rsc if(c->waste < 0)
125 88ed92aa 2020-01-13 rsc c->waste = 0;
127 c66b5250 2006-06-25 devnull * absorb if:
128 c66b5250 2006-06-25 devnull * total area is small
129 c66b5250 2006-06-25 devnull * waste is less than half total area
130 c66b5250 2006-06-25 devnull * rectangles touch
132 88ed92aa 2020-01-13 rsc if(anbb<=1024 || c->waste*2<anbb || rectXrect(c->flushrect, r)){
133 88ed92aa 2020-01-13 rsc c->flushrect = nbb;
136 c66b5250 2006-06-25 devnull /* emit current state */
137 41547af3 2020-01-13 rsc fr = c->flushrect;
138 88ed92aa 2020-01-13 rsc c->flushrect = r;
139 88ed92aa 2020-01-13 rsc c->waste = 0;
140 41547af3 2020-01-13 rsc if(fr.min.x < fr.max.x) {
141 41547af3 2020-01-13 rsc // Unlock drawlk because rpc_flush may want to run on gfx thread,
142 41547af3 2020-01-13 rsc // and gfx thread might be blocked on drawlk trying to install a new screen
143 41547af3 2020-01-13 rsc // during a resize.
144 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
145 41547af3 2020-01-13 rsc qunlock(&c->drawlk);
146 41547af3 2020-01-13 rsc rpc_flush(c, fr);
147 41547af3 2020-01-13 rsc qlock(&c->drawlk);
148 50923426 2020-01-13 rsc rpc_gfxdrawlock();
153 88ed92aa 2020-01-13 rsc dstflush(Client *c, int dstid, Memimage *dst, Rectangle r)
155 c66b5250 2006-06-25 devnull Memlayer *l;
157 c66b5250 2006-06-25 devnull if(dstid == 0){
158 88ed92aa 2020-01-13 rsc combinerect(&c->flushrect, r);
161 c66b5250 2006-06-25 devnull /* how can this happen? -rsc, dec 12 2002 */
162 c66b5250 2006-06-25 devnull if(dst == 0){
163 2bdefab1 2006-07-05 devnull fprint(2, "nil dstflush\n");
166 c66b5250 2006-06-25 devnull l = dst->layer;
167 c66b5250 2006-06-25 devnull if(l == nil)
170 88ed92aa 2020-01-13 rsc if(l->screen->image->data != c->screenimage->data)
172 c66b5250 2006-06-25 devnull r = rectaddpt(r, l->delta);
173 c66b5250 2006-06-25 devnull l = l->screen->image->layer;
174 c66b5250 2006-06-25 devnull }while(l);
175 88ed92aa 2020-01-13 rsc addflush(c, r);
179 88ed92aa 2020-01-13 rsc drawflush(Client *c)
181 41547af3 2020-01-13 rsc Rectangle r;
183 41547af3 2020-01-13 rsc r = c->flushrect;
184 88ed92aa 2020-01-13 rsc c->flushrect = Rect(10000, 10000, -10000, -10000);
185 41547af3 2020-01-13 rsc if(r.min.x < r.max.x) {
186 41547af3 2020-01-13 rsc // Unlock drawlk because rpc_flush may want to run on gfx thread,
187 41547af3 2020-01-13 rsc // and gfx thread might be blocked on drawlk trying to install a new screen
188 41547af3 2020-01-13 rsc // during a resize.
189 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
190 41547af3 2020-01-13 rsc qunlock(&c->drawlk);
191 41547af3 2020-01-13 rsc rpc_flush(c, r);
192 41547af3 2020-01-13 rsc qlock(&c->drawlk);
193 50923426 2020-01-13 rsc rpc_gfxdrawlock();
198 c66b5250 2006-06-25 devnull drawcmp(char *a, char *b, int n)
200 c66b5250 2006-06-25 devnull if(strlen(a) != n)
201 c66b5250 2006-06-25 devnull return 1;
202 c66b5250 2006-06-25 devnull return memcmp(a, b, n);
205 41547af3 2020-01-13 rsc static DName*
206 88ed92aa 2020-01-13 rsc drawlookupname(Client *client, int n, char *str)
208 c66b5250 2006-06-25 devnull DName *name, *ename;
210 88ed92aa 2020-01-13 rsc name = client->name;
211 88ed92aa 2020-01-13 rsc ename = &name[client->nname];
212 c66b5250 2006-06-25 devnull for(; name<ename; name++)
213 c66b5250 2006-06-25 devnull if(drawcmp(name->name, str, n) == 0)
214 c66b5250 2006-06-25 devnull return name;
215 c66b5250 2006-06-25 devnull return 0;
219 88ed92aa 2020-01-13 rsc drawgoodname(Client *client, DImage *d)
221 c66b5250 2006-06-25 devnull DName *n;
223 c66b5250 2006-06-25 devnull /* if window, validate the screen's own images */
224 c66b5250 2006-06-25 devnull if(d->dscreen)
225 88ed92aa 2020-01-13 rsc if(drawgoodname(client, d->dscreen->dimage) == 0
226 88ed92aa 2020-01-13 rsc || drawgoodname(client, d->dscreen->dfill) == 0)
227 c66b5250 2006-06-25 devnull return 0;
228 c66b5250 2006-06-25 devnull if(d->name == nil)
229 c66b5250 2006-06-25 devnull return 1;
230 88ed92aa 2020-01-13 rsc n = drawlookupname(client, strlen(d->name), d->name);
231 c66b5250 2006-06-25 devnull if(n==nil || n->vers!=d->vers)
232 c66b5250 2006-06-25 devnull return 0;
233 c66b5250 2006-06-25 devnull return 1;
236 41547af3 2020-01-13 rsc static DImage*
237 c66b5250 2006-06-25 devnull drawlookup(Client *client, int id, int checkname)
239 c66b5250 2006-06-25 devnull DImage *d;
241 c66b5250 2006-06-25 devnull d = client->dimage[id&HASHMASK];
242 c66b5250 2006-06-25 devnull while(d){
243 c66b5250 2006-06-25 devnull if(d->id == id){
245 c66b5250 2006-06-25 devnull * BUG: should error out but too hard.
246 c66b5250 2006-06-25 devnull * Return 0 instead.
248 88ed92aa 2020-01-13 rsc if(checkname && !drawgoodname(client, d))
249 c66b5250 2006-06-25 devnull return 0;
250 c66b5250 2006-06-25 devnull return d;
252 c66b5250 2006-06-25 devnull d = d->next;
254 c66b5250 2006-06-25 devnull return 0;
257 41547af3 2020-01-13 rsc static DScreen*
258 88ed92aa 2020-01-13 rsc drawlookupdscreen(Client *c, int id)
260 c66b5250 2006-06-25 devnull DScreen *s;
262 88ed92aa 2020-01-13 rsc s = c->dscreen;
263 c66b5250 2006-06-25 devnull while(s){
264 c66b5250 2006-06-25 devnull if(s->id == id)
265 c66b5250 2006-06-25 devnull return s;
266 c66b5250 2006-06-25 devnull s = s->next;
268 c66b5250 2006-06-25 devnull return 0;
271 41547af3 2020-01-13 rsc static DScreen*
272 c66b5250 2006-06-25 devnull drawlookupscreen(Client *client, int id, CScreen **cs)
274 c66b5250 2006-06-25 devnull CScreen *s;
276 c66b5250 2006-06-25 devnull s = client->cscreen;
277 c66b5250 2006-06-25 devnull while(s){
278 c66b5250 2006-06-25 devnull if(s->dscreen->id == id){
279 c66b5250 2006-06-25 devnull *cs = s;
280 c66b5250 2006-06-25 devnull return s->dscreen;
282 c66b5250 2006-06-25 devnull s = s->next;
284 c66b5250 2006-06-25 devnull /* caller must check! */
285 c66b5250 2006-06-25 devnull return 0;
288 41547af3 2020-01-13 rsc static Memimage*
289 c66b5250 2006-06-25 devnull drawinstall(Client *client, int id, Memimage *i, DScreen *dscreen)
291 c66b5250 2006-06-25 devnull DImage *d;
293 c66b5250 2006-06-25 devnull d = mallocz(sizeof(DImage), 1);
294 c66b5250 2006-06-25 devnull if(d == 0)
295 c66b5250 2006-06-25 devnull return 0;
296 c66b5250 2006-06-25 devnull d->id = id;
297 c66b5250 2006-06-25 devnull d->ref = 1;
298 c66b5250 2006-06-25 devnull d->name = 0;
299 c66b5250 2006-06-25 devnull d->vers = 0;
300 c66b5250 2006-06-25 devnull d->image = i;
301 c66b5250 2006-06-25 devnull if(i->screenref)
302 c66b5250 2006-06-25 devnull ++i->screenref;
303 c66b5250 2006-06-25 devnull d->nfchar = 0;
304 c66b5250 2006-06-25 devnull d->fchar = 0;
305 c66b5250 2006-06-25 devnull d->fromname = 0;
306 c66b5250 2006-06-25 devnull d->dscreen = dscreen;
307 c66b5250 2006-06-25 devnull d->next = client->dimage[id&HASHMASK];
308 c66b5250 2006-06-25 devnull client->dimage[id&HASHMASK] = d;
309 c66b5250 2006-06-25 devnull return i;
312 41547af3 2020-01-13 rsc static Memscreen*
313 c66b5250 2006-06-25 devnull drawinstallscreen(Client *client, DScreen *d, int id, DImage *dimage, DImage *dfill, int public)
315 c66b5250 2006-06-25 devnull Memscreen *s;
316 c66b5250 2006-06-25 devnull CScreen *c;
318 c66b5250 2006-06-25 devnull c = mallocz(sizeof(CScreen), 1);
319 c66b5250 2006-06-25 devnull if(dimage && dimage->image && dimage->image->chan == 0){
320 2bdefab1 2006-07-05 devnull fprint(2, "bad image %p in drawinstallscreen", dimage->image);
321 c66b5250 2006-06-25 devnull abort();
324 c66b5250 2006-06-25 devnull if(c == 0)
325 c66b5250 2006-06-25 devnull return 0;
326 c66b5250 2006-06-25 devnull if(d == 0){
327 c66b5250 2006-06-25 devnull d = mallocz(sizeof(DScreen), 1);
328 c66b5250 2006-06-25 devnull if(d == 0){
329 c66b5250 2006-06-25 devnull free(c);
330 c66b5250 2006-06-25 devnull return 0;
332 c66b5250 2006-06-25 devnull s = mallocz(sizeof(Memscreen), 1);
333 c66b5250 2006-06-25 devnull if(s == 0){
334 c66b5250 2006-06-25 devnull free(c);
335 c66b5250 2006-06-25 devnull free(d);
336 c66b5250 2006-06-25 devnull return 0;
338 c66b5250 2006-06-25 devnull s->frontmost = 0;
339 c66b5250 2006-06-25 devnull s->rearmost = 0;
340 c66b5250 2006-06-25 devnull d->dimage = dimage;
341 c66b5250 2006-06-25 devnull if(dimage){
342 c66b5250 2006-06-25 devnull s->image = dimage->image;
343 c66b5250 2006-06-25 devnull dimage->ref++;
345 c66b5250 2006-06-25 devnull d->dfill = dfill;
346 c66b5250 2006-06-25 devnull if(dfill){
347 c66b5250 2006-06-25 devnull s->fill = dfill->image;
348 c66b5250 2006-06-25 devnull dfill->ref++;
350 c66b5250 2006-06-25 devnull d->ref = 0;
351 c66b5250 2006-06-25 devnull d->id = id;
352 c66b5250 2006-06-25 devnull d->screen = s;
353 c66b5250 2006-06-25 devnull d->public = public;
354 88ed92aa 2020-01-13 rsc d->next = client->dscreen;
355 c66b5250 2006-06-25 devnull d->owner = client;
356 88ed92aa 2020-01-13 rsc client->dscreen = d;
358 c66b5250 2006-06-25 devnull c->dscreen = d;
359 c66b5250 2006-06-25 devnull d->ref++;
360 c66b5250 2006-06-25 devnull c->next = client->cscreen;
361 c66b5250 2006-06-25 devnull client->cscreen = c;
362 c66b5250 2006-06-25 devnull return d->screen;
366 88ed92aa 2020-01-13 rsc drawdelname(Client *client, DName *name)
370 88ed92aa 2020-01-13 rsc i = name-client->name;
371 88ed92aa 2020-01-13 rsc memmove(name, name+1, (client->nname-(i+1))*sizeof(DName));
372 88ed92aa 2020-01-13 rsc client->nname--;
376 88ed92aa 2020-01-13 rsc drawfreedscreen(Client *client, DScreen *this)
378 c66b5250 2006-06-25 devnull DScreen *ds, *next;
380 c66b5250 2006-06-25 devnull this->ref--;
381 c66b5250 2006-06-25 devnull if(this->ref < 0)
382 2bdefab1 2006-07-05 devnull fprint(2, "negative ref in drawfreedscreen\n");
383 c66b5250 2006-06-25 devnull if(this->ref > 0)
385 88ed92aa 2020-01-13 rsc ds = client->dscreen;
386 c66b5250 2006-06-25 devnull if(ds == this){
387 88ed92aa 2020-01-13 rsc client->dscreen = this->next;
388 c66b5250 2006-06-25 devnull goto Found;
390 c66b5250 2006-06-25 devnull while(next = ds->next){ /* assign = */
391 c66b5250 2006-06-25 devnull if(next == this){
392 c66b5250 2006-06-25 devnull ds->next = this->next;
393 c66b5250 2006-06-25 devnull goto Found;
395 c66b5250 2006-06-25 devnull ds = next;
398 c66b5250 2006-06-25 devnull * Should signal Enodrawimage, but too hard.
403 c66b5250 2006-06-25 devnull if(this->dimage)
404 88ed92aa 2020-01-13 rsc drawfreedimage(client, this->dimage);
405 c66b5250 2006-06-25 devnull if(this->dfill)
406 88ed92aa 2020-01-13 rsc drawfreedimage(client, this->dfill);
407 c66b5250 2006-06-25 devnull free(this->screen);
408 c66b5250 2006-06-25 devnull free(this);
412 88ed92aa 2020-01-13 rsc drawfreedimage(Client *client, DImage *dimage)
415 c66b5250 2006-06-25 devnull Memimage *l;
416 c66b5250 2006-06-25 devnull DScreen *ds;
418 c66b5250 2006-06-25 devnull dimage->ref--;
419 c66b5250 2006-06-25 devnull if(dimage->ref < 0)
420 2bdefab1 2006-07-05 devnull fprint(2, "negative ref in drawfreedimage\n");
421 c66b5250 2006-06-25 devnull if(dimage->ref > 0)
424 c66b5250 2006-06-25 devnull /* any names? */
425 88ed92aa 2020-01-13 rsc for(i=0; i<client->nname; )
426 88ed92aa 2020-01-13 rsc if(client->name[i].dimage == dimage)
427 88ed92aa 2020-01-13 rsc drawdelname(client, client->name+i);
430 c66b5250 2006-06-25 devnull if(dimage->fromname){ /* acquired by name; owned by someone else*/
431 88ed92aa 2020-01-13 rsc drawfreedimage(client, dimage->fromname);
432 c66b5250 2006-06-25 devnull goto Return;
434 c66b5250 2006-06-25 devnull ds = dimage->dscreen;
435 c66b5250 2006-06-25 devnull l = dimage->image;
436 c66b5250 2006-06-25 devnull dimage->dscreen = nil; /* paranoia */
437 c66b5250 2006-06-25 devnull dimage->image = nil;
439 88ed92aa 2020-01-13 rsc if(l->data == client->screenimage->data)
440 88ed92aa 2020-01-13 rsc addflush(client, l->layer->screenr);
441 c66b5250 2006-06-25 devnull if(l->layer->refreshfn == drawrefresh) /* else true owner will clean up */
442 c66b5250 2006-06-25 devnull free(l->layer->refreshptr);
443 c66b5250 2006-06-25 devnull l->layer->refreshptr = nil;
444 88ed92aa 2020-01-13 rsc if(drawgoodname(client, dimage))
445 c66b5250 2006-06-25 devnull memldelete(l);
447 c66b5250 2006-06-25 devnull memlfree(l);
448 88ed92aa 2020-01-13 rsc drawfreedscreen(client, ds);
450 c66b5250 2006-06-25 devnull if(l->screenref==0)
451 c66b5250 2006-06-25 devnull freememimage(l);
452 c66b5250 2006-06-25 devnull else if(--l->screenref==0)
453 c66b5250 2006-06-25 devnull _freememimage(l);
456 c66b5250 2006-06-25 devnull free(dimage->fchar);
457 c66b5250 2006-06-25 devnull free(dimage);
461 c66b5250 2006-06-25 devnull drawuninstallscreen(Client *client, CScreen *this)
463 c66b5250 2006-06-25 devnull CScreen *cs, *next;
465 c66b5250 2006-06-25 devnull cs = client->cscreen;
466 c66b5250 2006-06-25 devnull if(cs == this){
467 c66b5250 2006-06-25 devnull client->cscreen = this->next;
468 88ed92aa 2020-01-13 rsc drawfreedscreen(client, this->dscreen);
469 c66b5250 2006-06-25 devnull free(this);
472 c66b5250 2006-06-25 devnull while(next = cs->next){ /* assign = */
473 c66b5250 2006-06-25 devnull if(next == this){
474 c66b5250 2006-06-25 devnull cs->next = this->next;
475 88ed92aa 2020-01-13 rsc drawfreedscreen(client, this->dscreen);
476 c66b5250 2006-06-25 devnull free(this);
479 c66b5250 2006-06-25 devnull cs = next;
484 c66b5250 2006-06-25 devnull drawuninstall(Client *client, int id)
486 c66b5250 2006-06-25 devnull DImage *d, **l;
488 c66b5250 2006-06-25 devnull for(l=&client->dimage[id&HASHMASK]; (d=*l) != nil; l=&d->next){
489 c66b5250 2006-06-25 devnull if(d->id == id){
490 c66b5250 2006-06-25 devnull *l = d->next;
491 88ed92aa 2020-01-13 rsc drawfreedimage(client, d);
492 c66b5250 2006-06-25 devnull return 0;
495 c66b5250 2006-06-25 devnull return -1;
499 c66b5250 2006-06-25 devnull drawaddname(Client *client, DImage *di, int n, char *str, char **err)
501 c66b5250 2006-06-25 devnull DName *name, *ename, *new, *t;
502 c66b5250 2006-06-25 devnull char *ns;
504 88ed92aa 2020-01-13 rsc name = client->name;
505 88ed92aa 2020-01-13 rsc ename = &name[client->nname];
506 c66b5250 2006-06-25 devnull for(; name<ename; name++)
507 c66b5250 2006-06-25 devnull if(drawcmp(name->name, str, n) == 0){
508 c66b5250 2006-06-25 devnull *err = "image name in use";
509 c66b5250 2006-06-25 devnull return -1;
511 88ed92aa 2020-01-13 rsc t = mallocz((client->nname+1)*sizeof(DName), 1);
512 c66b5250 2006-06-25 devnull ns = malloc(n+1);
513 c66b5250 2006-06-25 devnull if(t == nil || ns == nil){
514 c66b5250 2006-06-25 devnull free(t);
515 c66b5250 2006-06-25 devnull free(ns);
516 c66b5250 2006-06-25 devnull *err = "out of memory";
517 c66b5250 2006-06-25 devnull return -1;
519 88ed92aa 2020-01-13 rsc memmove(t, client->name, client->nname*sizeof(DName));
520 88ed92aa 2020-01-13 rsc free(client->name);
521 88ed92aa 2020-01-13 rsc client->name = t;
522 88ed92aa 2020-01-13 rsc new = &client->name[client->nname++];
523 c66b5250 2006-06-25 devnull new->name = ns;
524 c66b5250 2006-06-25 devnull memmove(new->name, str, n);
525 c66b5250 2006-06-25 devnull new->name[n] = 0;
526 c66b5250 2006-06-25 devnull new->dimage = di;
527 c66b5250 2006-06-25 devnull new->client = client;
528 88ed92aa 2020-01-13 rsc new->vers = ++client->namevers;
529 c66b5250 2006-06-25 devnull return 0;
532 c66b5250 2006-06-25 devnull static int
533 c66b5250 2006-06-25 devnull drawclientop(Client *cl)
537 c66b5250 2006-06-25 devnull op = cl->op;
538 c66b5250 2006-06-25 devnull cl->op = SoverD;
539 c66b5250 2006-06-25 devnull return op;
542 41547af3 2020-01-13 rsc static Memimage*
543 c66b5250 2006-06-25 devnull drawimage(Client *client, uchar *a)
545 c66b5250 2006-06-25 devnull DImage *d;
547 c66b5250 2006-06-25 devnull d = drawlookup(client, BGLONG(a), 1);
548 c66b5250 2006-06-25 devnull if(d == nil)
549 c66b5250 2006-06-25 devnull return nil; /* caller must check! */
550 c66b5250 2006-06-25 devnull return d->image;
554 c66b5250 2006-06-25 devnull drawrectangle(Rectangle *r, uchar *a)
556 c66b5250 2006-06-25 devnull r->min.x = BGLONG(a+0*4);
557 c66b5250 2006-06-25 devnull r->min.y = BGLONG(a+1*4);
558 c66b5250 2006-06-25 devnull r->max.x = BGLONG(a+2*4);
559 c66b5250 2006-06-25 devnull r->max.y = BGLONG(a+3*4);
563 c66b5250 2006-06-25 devnull drawpoint(Point *p, uchar *a)
565 c66b5250 2006-06-25 devnull p->x = BGLONG(a+0*4);
566 c66b5250 2006-06-25 devnull p->y = BGLONG(a+1*4);
569 41547af3 2020-01-13 rsc static Point
570 c66b5250 2006-06-25 devnull drawchar(Memimage *dst, Point p, Memimage *src, Point *sp, DImage *font, int index, int op)
572 c66b5250 2006-06-25 devnull FChar *fc;
573 c66b5250 2006-06-25 devnull Rectangle r;
574 c66b5250 2006-06-25 devnull Point sp1;
576 c66b5250 2006-06-25 devnull fc = &font->fchar[index];
577 c66b5250 2006-06-25 devnull r.min.x = p.x+fc->left;
578 c66b5250 2006-06-25 devnull r.min.y = p.y-(font->ascent-fc->miny);
579 c66b5250 2006-06-25 devnull r.max.x = r.min.x+(fc->maxx-fc->minx);
580 c66b5250 2006-06-25 devnull r.max.y = r.min.y+(fc->maxy-fc->miny);
581 c66b5250 2006-06-25 devnull sp1.x = sp->x+fc->left;
582 c66b5250 2006-06-25 devnull sp1.y = sp->y+fc->miny;
583 c66b5250 2006-06-25 devnull memdraw(dst, r, src, sp1, font->image, Pt(fc->minx, fc->miny), op);
584 c66b5250 2006-06-25 devnull p.x += fc->width;
585 c66b5250 2006-06-25 devnull sp->x += fc->width;
586 c66b5250 2006-06-25 devnull return p;
589 41547af3 2020-01-13 rsc static uchar*
590 c66b5250 2006-06-25 devnull drawcoord(uchar *p, uchar *maxp, int oldx, int *newx)
592 c66b5250 2006-06-25 devnull int b, x;
594 c66b5250 2006-06-25 devnull if(p >= maxp)
595 c66b5250 2006-06-25 devnull return nil;
596 c66b5250 2006-06-25 devnull b = *p++;
597 c66b5250 2006-06-25 devnull x = b & 0x7F;
598 c66b5250 2006-06-25 devnull if(b & 0x80){
599 c66b5250 2006-06-25 devnull if(p+1 >= maxp)
600 c66b5250 2006-06-25 devnull return nil;
601 c66b5250 2006-06-25 devnull x |= *p++ << 7;
602 c66b5250 2006-06-25 devnull x |= *p++ << 15;
603 c66b5250 2006-06-25 devnull if(x & (1<<22))
604 310ae033 2017-01-06 rsc x |= ~0U<<23;
606 c66b5250 2006-06-25 devnull if(b & 0x40)
607 310ae033 2017-01-06 rsc x |= ~0U<<7;
608 c66b5250 2006-06-25 devnull x += oldx;
610 c66b5250 2006-06-25 devnull *newx = x;
611 c66b5250 2006-06-25 devnull return p;
615 41547af3 2020-01-13 rsc draw_dataread(Client *cl, void *a, int n)
617 41547af3 2020-01-13 rsc qlock(&cl->drawlk);
618 c66b5250 2006-06-25 devnull if(cl->readdata == nil){
619 c66b5250 2006-06-25 devnull werrstr("no draw data");
620 c66b5250 2006-06-25 devnull goto err;
622 c66b5250 2006-06-25 devnull if(n < cl->nreaddata){
623 c66b5250 2006-06-25 devnull werrstr("short read");
624 c66b5250 2006-06-25 devnull goto err;
626 c66b5250 2006-06-25 devnull n = cl->nreaddata;
627 c66b5250 2006-06-25 devnull memmove(a, cl->readdata, cl->nreaddata);
628 c66b5250 2006-06-25 devnull free(cl->readdata);
629 c66b5250 2006-06-25 devnull cl->readdata = nil;
630 41547af3 2020-01-13 rsc qunlock(&cl->drawlk);
631 c66b5250 2006-06-25 devnull return n;
634 41547af3 2020-01-13 rsc qunlock(&cl->drawlk);
635 c66b5250 2006-06-25 devnull return -1;
639 41547af3 2020-01-13 rsc draw_datawrite(Client *client, void *v, int n)
641 c66b5250 2006-06-25 devnull char cbuf[40], *err, ibuf[12*12+1], *s;
642 c66b5250 2006-06-25 devnull int c, ci, doflush, dstid, e0, e1, esize, j, m;
643 fa325e9b 2020-01-10 cross int ni, nw, oesize, oldn, op, ox, oy, repl, scrnid, y;
644 c66b5250 2006-06-25 devnull uchar *a, refresh, *u;
645 c66b5250 2006-06-25 devnull u32int chan, value;
646 c66b5250 2006-06-25 devnull CScreen *cs;
647 c66b5250 2006-06-25 devnull DImage *di, *ddst, *dsrc, *font, *ll;
648 c66b5250 2006-06-25 devnull DName *dn;
649 c66b5250 2006-06-25 devnull DScreen *dscrn;
650 c66b5250 2006-06-25 devnull FChar *fc;
652 c66b5250 2006-06-25 devnull Memimage *dst, *i, *l, **lp, *mask, *src;
653 c66b5250 2006-06-25 devnull Memscreen *scrn;
654 c66b5250 2006-06-25 devnull Point p, *pp, q, sp;
655 c66b5250 2006-06-25 devnull Rectangle clipr, r;
656 c66b5250 2006-06-25 devnull Refreshfn reffn;
657 c66b5250 2006-06-25 devnull Refx *refx;
659 41547af3 2020-01-13 rsc qlock(&client->drawlk);
660 50923426 2020-01-13 rsc rpc_gfxdrawlock();
663 c66b5250 2006-06-25 devnull oldn = n;
665 c66b5250 2006-06-25 devnull while((n-=m) > 0){
667 9142d362 2008-06-30 rsc /*fprint(2, "msgwrite %d(%d)...", n, *a); */
668 c66b5250 2006-06-25 devnull switch(*a){
669 c66b5250 2006-06-25 devnull default:
670 c66b5250 2006-06-25 devnull /*fprint(2, "bad command %d\n", *a); */
671 c66b5250 2006-06-25 devnull err = "bad draw command";
672 c66b5250 2006-06-25 devnull goto error;
674 c66b5250 2006-06-25 devnull /* allocate: 'b' id[4] screenid[4] refresh[1] chan[4] repl[1]
675 c66b5250 2006-06-25 devnull R[4*4] clipR[4*4] rrggbbaa[4]
677 c66b5250 2006-06-25 devnull case 'b':
678 c66b5250 2006-06-25 devnull m = 1+4+4+1+4+1+4*4+4*4+4;
679 c66b5250 2006-06-25 devnull if(n < m)
680 c66b5250 2006-06-25 devnull goto Eshortdraw;
681 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
682 c66b5250 2006-06-25 devnull scrnid = BGSHORT(a+5);
683 c66b5250 2006-06-25 devnull refresh = a[9];
684 c66b5250 2006-06-25 devnull chan = BGLONG(a+10);
685 c66b5250 2006-06-25 devnull repl = a[14];
686 c66b5250 2006-06-25 devnull drawrectangle(&r, a+15);
687 c66b5250 2006-06-25 devnull drawrectangle(&clipr, a+31);
688 c66b5250 2006-06-25 devnull value = BGLONG(a+47);
689 c66b5250 2006-06-25 devnull if(drawlookup(client, dstid, 0))
690 c66b5250 2006-06-25 devnull goto Eimageexists;
691 c66b5250 2006-06-25 devnull if(scrnid){
692 c66b5250 2006-06-25 devnull dscrn = drawlookupscreen(client, scrnid, &cs);
693 c66b5250 2006-06-25 devnull if(!dscrn)
694 c66b5250 2006-06-25 devnull goto Enodrawscreen;
695 c66b5250 2006-06-25 devnull scrn = dscrn->screen;
696 c66b5250 2006-06-25 devnull if(repl || chan!=scrn->image->chan){
697 c66b5250 2006-06-25 devnull err = "image parameters incompatibile with screen";
698 c66b5250 2006-06-25 devnull goto error;
700 c66b5250 2006-06-25 devnull reffn = 0;
701 c66b5250 2006-06-25 devnull switch(refresh){
702 c66b5250 2006-06-25 devnull case Refbackup:
704 c66b5250 2006-06-25 devnull case Refnone:
705 c66b5250 2006-06-25 devnull reffn = memlnorefresh;
707 c66b5250 2006-06-25 devnull case Refmesg:
708 c66b5250 2006-06-25 devnull reffn = drawrefresh;
710 c66b5250 2006-06-25 devnull default:
711 c66b5250 2006-06-25 devnull err = "unknown refresh method";
712 c66b5250 2006-06-25 devnull goto error;
714 c66b5250 2006-06-25 devnull l = memlalloc(scrn, r, reffn, 0, value);
715 c66b5250 2006-06-25 devnull if(l == 0)
716 c66b5250 2006-06-25 devnull goto Edrawmem;
717 88ed92aa 2020-01-13 rsc addflush(client, l->layer->screenr);
718 c66b5250 2006-06-25 devnull l->clipr = clipr;
719 c66b5250 2006-06-25 devnull rectclip(&l->clipr, r);
720 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, l, dscrn) == 0){
721 c66b5250 2006-06-25 devnull memldelete(l);
722 c66b5250 2006-06-25 devnull goto Edrawmem;
724 c66b5250 2006-06-25 devnull dscrn->ref++;
725 c66b5250 2006-06-25 devnull if(reffn){
726 c66b5250 2006-06-25 devnull refx = nil;
727 c66b5250 2006-06-25 devnull if(reffn == drawrefresh){
728 c66b5250 2006-06-25 devnull refx = mallocz(sizeof(Refx), 1);
729 c66b5250 2006-06-25 devnull if(refx == 0){
730 c66b5250 2006-06-25 devnull if(drawuninstall(client, dstid) < 0)
731 c66b5250 2006-06-25 devnull goto Enodrawimage;
732 c66b5250 2006-06-25 devnull goto Edrawmem;
734 c66b5250 2006-06-25 devnull refx->client = client;
735 c66b5250 2006-06-25 devnull refx->dimage = drawlookup(client, dstid, 1);
737 c66b5250 2006-06-25 devnull memlsetrefresh(l, reffn, refx);
739 c66b5250 2006-06-25 devnull continue;
741 c66b5250 2006-06-25 devnull i = allocmemimage(r, chan);
742 c66b5250 2006-06-25 devnull if(i == 0)
743 c66b5250 2006-06-25 devnull goto Edrawmem;
744 c66b5250 2006-06-25 devnull if(repl)
745 c66b5250 2006-06-25 devnull i->flags |= Frepl;
746 c66b5250 2006-06-25 devnull i->clipr = clipr;
747 c66b5250 2006-06-25 devnull if(!repl)
748 c66b5250 2006-06-25 devnull rectclip(&i->clipr, r);
749 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, i, 0) == 0){
750 c66b5250 2006-06-25 devnull freememimage(i);
751 c66b5250 2006-06-25 devnull goto Edrawmem;
753 c66b5250 2006-06-25 devnull memfillcolor(i, value);
754 c66b5250 2006-06-25 devnull continue;
756 c66b5250 2006-06-25 devnull /* allocate screen: 'A' id[4] imageid[4] fillid[4] public[1] */
757 c66b5250 2006-06-25 devnull case 'A':
758 c66b5250 2006-06-25 devnull m = 1+4+4+4+1;
759 c66b5250 2006-06-25 devnull if(n < m)
760 c66b5250 2006-06-25 devnull goto Eshortdraw;
761 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
762 c66b5250 2006-06-25 devnull if(dstid == 0)
763 c66b5250 2006-06-25 devnull goto Ebadarg;
764 88ed92aa 2020-01-13 rsc if(drawlookupdscreen(client, dstid))
765 c66b5250 2006-06-25 devnull goto Escreenexists;
766 c66b5250 2006-06-25 devnull ddst = drawlookup(client, BGLONG(a+5), 1);
767 c66b5250 2006-06-25 devnull dsrc = drawlookup(client, BGLONG(a+9), 1);
768 c66b5250 2006-06-25 devnull if(ddst==0 || dsrc==0)
769 c66b5250 2006-06-25 devnull goto Enodrawimage;
770 c66b5250 2006-06-25 devnull if(drawinstallscreen(client, 0, dstid, ddst, dsrc, a[13]) == 0)
771 c66b5250 2006-06-25 devnull goto Edrawmem;
772 c66b5250 2006-06-25 devnull continue;
774 c66b5250 2006-06-25 devnull /* set repl and clip: 'c' dstid[4] repl[1] clipR[4*4] */
775 c66b5250 2006-06-25 devnull case 'c':
776 c66b5250 2006-06-25 devnull m = 1+4+1+4*4;
777 c66b5250 2006-06-25 devnull if(n < m)
778 c66b5250 2006-06-25 devnull goto Eshortdraw;
779 c66b5250 2006-06-25 devnull ddst = drawlookup(client, BGLONG(a+1), 1);
780 c66b5250 2006-06-25 devnull if(ddst == nil)
781 c66b5250 2006-06-25 devnull goto Enodrawimage;
782 c66b5250 2006-06-25 devnull if(ddst->name){
783 c66b5250 2006-06-25 devnull err = "can't change repl/clipr of shared image";
784 c66b5250 2006-06-25 devnull goto error;
786 c66b5250 2006-06-25 devnull dst = ddst->image;
787 c66b5250 2006-06-25 devnull if(a[5])
788 c66b5250 2006-06-25 devnull dst->flags |= Frepl;
789 c66b5250 2006-06-25 devnull drawrectangle(&dst->clipr, a+6);
790 c66b5250 2006-06-25 devnull continue;
792 c66b5250 2006-06-25 devnull /* draw: 'd' dstid[4] srcid[4] maskid[4] R[4*4] P[2*4] P[2*4] */
793 c66b5250 2006-06-25 devnull case 'd':
794 c66b5250 2006-06-25 devnull m = 1+4+4+4+4*4+2*4+2*4;
795 c66b5250 2006-06-25 devnull if(n < m)
796 c66b5250 2006-06-25 devnull goto Eshortdraw;
797 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
798 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
799 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
800 c66b5250 2006-06-25 devnull mask = drawimage(client, a+9);
801 c66b5250 2006-06-25 devnull if(!dst || !src || !mask)
802 c66b5250 2006-06-25 devnull goto Enodrawimage;
803 c66b5250 2006-06-25 devnull drawrectangle(&r, a+13);
804 c66b5250 2006-06-25 devnull drawpoint(&p, a+29);
805 c66b5250 2006-06-25 devnull drawpoint(&q, a+37);
806 c66b5250 2006-06-25 devnull op = drawclientop(client);
807 c66b5250 2006-06-25 devnull memdraw(dst, r, src, p, mask, q, op);
808 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
809 c66b5250 2006-06-25 devnull continue;
811 c66b5250 2006-06-25 devnull /* toggle debugging: 'D' val[1] */
812 c66b5250 2006-06-25 devnull case 'D':
813 c66b5250 2006-06-25 devnull m = 1+1;
814 c66b5250 2006-06-25 devnull if(n < m)
815 c66b5250 2006-06-25 devnull goto Eshortdraw;
816 c66b5250 2006-06-25 devnull drawdebug = a[1];
817 c66b5250 2006-06-25 devnull continue;
819 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]*/
820 c66b5250 2006-06-25 devnull case 'e':
821 c66b5250 2006-06-25 devnull case 'E':
822 c66b5250 2006-06-25 devnull m = 1+4+4+2*4+4+4+4+2*4+2*4;
823 c66b5250 2006-06-25 devnull if(n < m)
824 c66b5250 2006-06-25 devnull goto Eshortdraw;
825 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
826 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
827 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
828 c66b5250 2006-06-25 devnull if(!dst || !src)
829 c66b5250 2006-06-25 devnull goto Enodrawimage;
830 c66b5250 2006-06-25 devnull drawpoint(&p, a+9);
831 c66b5250 2006-06-25 devnull e0 = BGLONG(a+17);
832 c66b5250 2006-06-25 devnull e1 = BGLONG(a+21);
833 c66b5250 2006-06-25 devnull if(e0<0 || e1<0){
834 c66b5250 2006-06-25 devnull err = "invalid ellipse semidiameter";
835 c66b5250 2006-06-25 devnull goto error;
837 c66b5250 2006-06-25 devnull j = BGLONG(a+25);
838 c66b5250 2006-06-25 devnull if(j < 0){
839 c66b5250 2006-06-25 devnull err = "negative ellipse thickness";
840 c66b5250 2006-06-25 devnull goto error;
843 c66b5250 2006-06-25 devnull drawpoint(&sp, a+29);
845 c66b5250 2006-06-25 devnull if(*a == 'E')
847 c66b5250 2006-06-25 devnull ox = BGLONG(a+37);
848 c66b5250 2006-06-25 devnull oy = BGLONG(a+41);
849 c66b5250 2006-06-25 devnull op = drawclientop(client);
850 c66b5250 2006-06-25 devnull /* high bit indicates arc angles are present */
851 c66b5250 2006-06-25 devnull if(ox & ((ulong)1<<31)){
852 c66b5250 2006-06-25 devnull if((ox & ((ulong)1<<30)) == 0)
853 c66b5250 2006-06-25 devnull ox &= ~((ulong)1<<31);
854 c66b5250 2006-06-25 devnull memarc(dst, p, e0, e1, c, src, sp, ox, oy, op);
856 c66b5250 2006-06-25 devnull memellipse(dst, p, e0, e1, c, src, sp, op);
857 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));
858 c66b5250 2006-06-25 devnull continue;
860 c66b5250 2006-06-25 devnull /* free: 'f' id[4] */
861 c66b5250 2006-06-25 devnull case 'f':
862 c66b5250 2006-06-25 devnull m = 1+4;
863 c66b5250 2006-06-25 devnull if(n < m)
864 c66b5250 2006-06-25 devnull goto Eshortdraw;
865 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1), 0);
866 c66b5250 2006-06-25 devnull if(ll && ll->dscreen && ll->dscreen->owner != client)
867 c66b5250 2006-06-25 devnull ll->dscreen->owner->refreshme = 1;
868 c66b5250 2006-06-25 devnull if(drawuninstall(client, BGLONG(a+1)) < 0)
869 c66b5250 2006-06-25 devnull goto Enodrawimage;
870 c66b5250 2006-06-25 devnull continue;
872 c66b5250 2006-06-25 devnull /* free screen: 'F' id[4] */
873 c66b5250 2006-06-25 devnull case 'F':
874 c66b5250 2006-06-25 devnull m = 1+4;
875 c66b5250 2006-06-25 devnull if(n < m)
876 c66b5250 2006-06-25 devnull goto Eshortdraw;
877 c66b5250 2006-06-25 devnull if(!drawlookupscreen(client, BGLONG(a+1), &cs))
878 c66b5250 2006-06-25 devnull goto Enodrawscreen;
879 c66b5250 2006-06-25 devnull drawuninstallscreen(client, cs);
880 c66b5250 2006-06-25 devnull continue;
882 c66b5250 2006-06-25 devnull /* initialize font: 'i' fontid[4] nchars[4] ascent[1] */
883 c66b5250 2006-06-25 devnull case 'i':
884 c66b5250 2006-06-25 devnull m = 1+4+4+1;
885 c66b5250 2006-06-25 devnull if(n < m)
886 c66b5250 2006-06-25 devnull goto Eshortdraw;
887 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
888 c66b5250 2006-06-25 devnull if(dstid == 0){
889 c66b5250 2006-06-25 devnull err = "can't use display as font";
890 c66b5250 2006-06-25 devnull goto error;
892 c66b5250 2006-06-25 devnull font = drawlookup(client, dstid, 1);
893 c66b5250 2006-06-25 devnull if(font == 0)
894 c66b5250 2006-06-25 devnull goto Enodrawimage;
895 c66b5250 2006-06-25 devnull if(font->image->layer){
896 c66b5250 2006-06-25 devnull err = "can't use window as font";
897 c66b5250 2006-06-25 devnull goto error;
899 c66b5250 2006-06-25 devnull ni = BGLONG(a+5);
900 c66b5250 2006-06-25 devnull if(ni<=0 || ni>4096){
901 c66b5250 2006-06-25 devnull err = "bad font size (4096 chars max)";
902 c66b5250 2006-06-25 devnull goto error;
904 c66b5250 2006-06-25 devnull free(font->fchar); /* should we complain if non-zero? */
905 c66b5250 2006-06-25 devnull font->fchar = mallocz(ni*sizeof(FChar), 1);
906 c66b5250 2006-06-25 devnull if(font->fchar == 0){
907 c66b5250 2006-06-25 devnull err = "no memory for font";
908 c66b5250 2006-06-25 devnull goto error;
910 c66b5250 2006-06-25 devnull memset(font->fchar, 0, ni*sizeof(FChar));
911 c66b5250 2006-06-25 devnull font->nfchar = ni;
912 c66b5250 2006-06-25 devnull font->ascent = a[9];
913 c66b5250 2006-06-25 devnull continue;
915 c66b5250 2006-06-25 devnull /* set image 0 to screen image */
916 c66b5250 2006-06-25 devnull case 'J':
918 c66b5250 2006-06-25 devnull if(n < m)
919 c66b5250 2006-06-25 devnull goto Eshortdraw;
920 c66b5250 2006-06-25 devnull if(drawlookup(client, 0, 0))
921 c66b5250 2006-06-25 devnull goto Eimageexists;
922 88ed92aa 2020-01-13 rsc drawinstall(client, 0, client->screenimage, 0);
923 c66b5250 2006-06-25 devnull client->infoid = 0;
924 c66b5250 2006-06-25 devnull continue;
926 c66b5250 2006-06-25 devnull /* get image info: 'I' */
927 c66b5250 2006-06-25 devnull case 'I':
929 c66b5250 2006-06-25 devnull if(n < m)
930 c66b5250 2006-06-25 devnull goto Eshortdraw;
931 c66b5250 2006-06-25 devnull if(client->infoid < 0)
932 c66b5250 2006-06-25 devnull goto Enodrawimage;
933 c66b5250 2006-06-25 devnull if(client->infoid == 0){
934 88ed92aa 2020-01-13 rsc i = client->screenimage;
935 c66b5250 2006-06-25 devnull if(i == nil)
936 c66b5250 2006-06-25 devnull goto Enodrawimage;
938 c66b5250 2006-06-25 devnull di = drawlookup(client, client->infoid, 1);
939 c66b5250 2006-06-25 devnull if(di == nil)
940 c66b5250 2006-06-25 devnull goto Enodrawimage;
941 c66b5250 2006-06-25 devnull i = di->image;
943 c66b5250 2006-06-25 devnull ni = sprint(ibuf, "%11d %11d %11s %11d %11d %11d %11d %11d"
944 c66b5250 2006-06-25 devnull " %11d %11d %11d %11d ",
945 c66b5250 2006-06-25 devnull client->clientid,
946 fa325e9b 2020-01-10 cross client->infoid,
947 c66b5250 2006-06-25 devnull chantostr(cbuf, i->chan),
948 c66b5250 2006-06-25 devnull (i->flags&Frepl)==Frepl,
949 c66b5250 2006-06-25 devnull i->r.min.x, i->r.min.y, i->r.max.x, i->r.max.y,
950 fa325e9b 2020-01-10 cross i->clipr.min.x, i->clipr.min.y,
951 c66b5250 2006-06-25 devnull i->clipr.max.x, i->clipr.max.y);
952 c66b5250 2006-06-25 devnull free(client->readdata);
953 c66b5250 2006-06-25 devnull client->readdata = malloc(ni);
954 c66b5250 2006-06-25 devnull if(client->readdata == nil)
955 c66b5250 2006-06-25 devnull goto Enomem;
956 c66b5250 2006-06-25 devnull memmove(client->readdata, ibuf, ni);
957 c66b5250 2006-06-25 devnull client->nreaddata = ni;
958 c66b5250 2006-06-25 devnull client->infoid = -1;
961 d0e07019 2012-11-26 rsc /* query: 'Q' n[1] queryspec[n] */
964 d0e07019 2012-11-26 rsc goto Eshortdraw;
965 d0e07019 2012-11-26 rsc m = 1+1+a[1];
967 d0e07019 2012-11-26 rsc goto Eshortdraw;
968 d0e07019 2012-11-26 rsc fmtstrinit(&fmt);
969 d0e07019 2012-11-26 rsc for(c=0; c<a[1]; c++) {
970 d0e07019 2012-11-26 rsc switch(a[2+c]) {
972 d0e07019 2012-11-26 rsc err = "unknown query";
974 d0e07019 2012-11-26 rsc case 'd': /* dpi */
975 88ed92aa 2020-01-13 rsc if(client->forcedpi)
976 88ed92aa 2020-01-13 rsc fmtprint(&fmt, "%11d ", client->forcedpi);
978 88ed92aa 2020-01-13 rsc fmtprint(&fmt, "%11d ", client->displaydpi);
982 d0e07019 2012-11-26 rsc client->readdata = (uchar*)fmtstrflush(&fmt);
983 d0e07019 2012-11-26 rsc if(client->readdata == nil)
984 d0e07019 2012-11-26 rsc goto Enomem;
985 d0e07019 2012-11-26 rsc client->nreaddata = strlen((char*)client->readdata);
988 c66b5250 2006-06-25 devnull /* load character: 'l' fontid[4] srcid[4] index[2] R[4*4] P[2*4] left[1] width[1] */
989 c66b5250 2006-06-25 devnull case 'l':
990 c66b5250 2006-06-25 devnull m = 1+4+4+2+4*4+2*4+1+1;
991 c66b5250 2006-06-25 devnull if(n < m)
992 c66b5250 2006-06-25 devnull goto Eshortdraw;
993 c66b5250 2006-06-25 devnull font = drawlookup(client, BGLONG(a+1), 1);
994 c66b5250 2006-06-25 devnull if(font == 0)
995 c66b5250 2006-06-25 devnull goto Enodrawimage;
996 c66b5250 2006-06-25 devnull if(font->nfchar == 0)
997 c66b5250 2006-06-25 devnull goto Enotfont;
998 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
999 c66b5250 2006-06-25 devnull if(!src)
1000 c66b5250 2006-06-25 devnull goto Enodrawimage;
1001 c66b5250 2006-06-25 devnull ci = BGSHORT(a+9);
1002 c66b5250 2006-06-25 devnull if(ci >= font->nfchar)
1003 c66b5250 2006-06-25 devnull goto Eindex;
1004 c66b5250 2006-06-25 devnull drawrectangle(&r, a+11);
1005 c66b5250 2006-06-25 devnull drawpoint(&p, a+27);
1006 c66b5250 2006-06-25 devnull memdraw(font->image, r, src, p, memopaque, p, S);
1007 c66b5250 2006-06-25 devnull fc = &font->fchar[ci];
1008 c66b5250 2006-06-25 devnull fc->minx = r.min.x;
1009 c66b5250 2006-06-25 devnull fc->maxx = r.max.x;
1010 c66b5250 2006-06-25 devnull fc->miny = r.min.y;
1011 c66b5250 2006-06-25 devnull fc->maxy = r.max.y;
1012 c66b5250 2006-06-25 devnull fc->left = a[35];
1013 c66b5250 2006-06-25 devnull fc->width = a[36];
1014 c66b5250 2006-06-25 devnull continue;
1016 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] */
1017 c66b5250 2006-06-25 devnull case 'L':
1018 c66b5250 2006-06-25 devnull m = 1+4+2*4+2*4+4+4+4+4+2*4;
1019 c66b5250 2006-06-25 devnull if(n < m)
1020 c66b5250 2006-06-25 devnull goto Eshortdraw;
1021 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1022 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1023 c66b5250 2006-06-25 devnull drawpoint(&p, a+5);
1024 c66b5250 2006-06-25 devnull drawpoint(&q, a+13);
1025 c66b5250 2006-06-25 devnull e0 = BGLONG(a+21);
1026 c66b5250 2006-06-25 devnull e1 = BGLONG(a+25);
1027 c66b5250 2006-06-25 devnull j = BGLONG(a+29);
1028 c66b5250 2006-06-25 devnull if(j < 0){
1029 c66b5250 2006-06-25 devnull err = "negative line width";
1030 c66b5250 2006-06-25 devnull goto error;
1032 c66b5250 2006-06-25 devnull src = drawimage(client, a+33);
1033 c66b5250 2006-06-25 devnull if(!dst || !src)
1034 c66b5250 2006-06-25 devnull goto Enodrawimage;
1035 c66b5250 2006-06-25 devnull drawpoint(&sp, a+37);
1036 c66b5250 2006-06-25 devnull op = drawclientop(client);
1037 c66b5250 2006-06-25 devnull memline(dst, p, q, e0, e1, j, src, sp, op);
1038 c66b5250 2006-06-25 devnull /* avoid memlinebbox if possible */
1039 c66b5250 2006-06-25 devnull if(dstid==0 || dst->layer!=nil){
1040 c66b5250 2006-06-25 devnull /* BUG: this is terribly inefficient: update maximal containing rect*/
1041 c66b5250 2006-06-25 devnull r = memlinebbox(p, q, e0, e1, j);
1042 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, insetrect(r, -(1+1+j)));
1044 c66b5250 2006-06-25 devnull continue;
1046 c66b5250 2006-06-25 devnull /* create image mask: 'm' newid[4] id[4] */
1049 c66b5250 2006-06-25 devnull case 'm':
1050 c66b5250 2006-06-25 devnull m = 4+4;
1051 c66b5250 2006-06-25 devnull if(n < m)
1052 c66b5250 2006-06-25 devnull goto Eshortdraw;
1057 c66b5250 2006-06-25 devnull /* attach to a named image: 'n' dstid[4] j[1] name[j] */
1058 c66b5250 2006-06-25 devnull case 'n':
1059 c66b5250 2006-06-25 devnull m = 1+4+1;
1060 c66b5250 2006-06-25 devnull if(n < m)
1061 c66b5250 2006-06-25 devnull goto Eshortdraw;
1062 c66b5250 2006-06-25 devnull j = a[5];
1063 c66b5250 2006-06-25 devnull if(j == 0) /* give me a non-empty name please */
1064 c66b5250 2006-06-25 devnull goto Eshortdraw;
1065 c66b5250 2006-06-25 devnull m += j;
1066 c66b5250 2006-06-25 devnull if(n < m)
1067 c66b5250 2006-06-25 devnull goto Eshortdraw;
1068 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1069 c66b5250 2006-06-25 devnull if(drawlookup(client, dstid, 0))
1070 c66b5250 2006-06-25 devnull goto Eimageexists;
1071 88ed92aa 2020-01-13 rsc dn = drawlookupname(client, j, (char*)a+6);
1072 c66b5250 2006-06-25 devnull if(dn == nil)
1073 c66b5250 2006-06-25 devnull goto Enoname;
1074 c66b5250 2006-06-25 devnull s = malloc(j+1);
1075 c66b5250 2006-06-25 devnull if(s == nil)
1076 c66b5250 2006-06-25 devnull goto Enomem;
1077 c66b5250 2006-06-25 devnull if(drawinstall(client, dstid, dn->dimage->image, 0) == 0)
1078 c66b5250 2006-06-25 devnull goto Edrawmem;
1079 c66b5250 2006-06-25 devnull di = drawlookup(client, dstid, 0);
1080 c66b5250 2006-06-25 devnull if(di == 0)
1081 c66b5250 2006-06-25 devnull goto Eoldname;
1082 c66b5250 2006-06-25 devnull di->vers = dn->vers;
1083 c66b5250 2006-06-25 devnull di->name = s;
1084 c66b5250 2006-06-25 devnull di->fromname = dn->dimage;
1085 c66b5250 2006-06-25 devnull di->fromname->ref++;
1086 c66b5250 2006-06-25 devnull memmove(di->name, a+6, j);
1087 c66b5250 2006-06-25 devnull di->name[j] = 0;
1088 c66b5250 2006-06-25 devnull client->infoid = dstid;
1089 c66b5250 2006-06-25 devnull continue;
1091 c66b5250 2006-06-25 devnull /* name an image: 'N' dstid[4] in[1] j[1] name[j] */
1092 c66b5250 2006-06-25 devnull case 'N':
1093 c66b5250 2006-06-25 devnull m = 1+4+1+1;
1094 c66b5250 2006-06-25 devnull if(n < m)
1095 c66b5250 2006-06-25 devnull goto Eshortdraw;
1096 c66b5250 2006-06-25 devnull c = a[5];
1097 c66b5250 2006-06-25 devnull j = a[6];
1098 c66b5250 2006-06-25 devnull if(j == 0) /* give me a non-empty name please */
1099 c66b5250 2006-06-25 devnull goto Eshortdraw;
1100 c66b5250 2006-06-25 devnull m += j;
1101 c66b5250 2006-06-25 devnull if(n < m)
1102 c66b5250 2006-06-25 devnull goto Eshortdraw;
1103 c66b5250 2006-06-25 devnull di = drawlookup(client, BGLONG(a+1), 0);
1104 c66b5250 2006-06-25 devnull if(di == 0)
1105 c66b5250 2006-06-25 devnull goto Enodrawimage;
1106 c66b5250 2006-06-25 devnull if(di->name)
1107 c66b5250 2006-06-25 devnull goto Enamed;
1109 c66b5250 2006-06-25 devnull if(drawaddname(client, di, j, (char*)a+7, &err) < 0)
1110 c66b5250 2006-06-25 devnull goto error;
1112 88ed92aa 2020-01-13 rsc dn = drawlookupname(client, j, (char*)a+7);
1113 c66b5250 2006-06-25 devnull if(dn == nil)
1114 c66b5250 2006-06-25 devnull goto Enoname;
1115 c66b5250 2006-06-25 devnull if(dn->dimage != di)
1116 c66b5250 2006-06-25 devnull goto Ewrongname;
1117 88ed92aa 2020-01-13 rsc drawdelname(client, dn);
1119 c66b5250 2006-06-25 devnull continue;
1121 c66b5250 2006-06-25 devnull /* position window: 'o' id[4] r.min [2*4] screenr.min [2*4] */
1122 c66b5250 2006-06-25 devnull case 'o':
1123 c66b5250 2006-06-25 devnull m = 1+4+2*4+2*4;
1124 c66b5250 2006-06-25 devnull if(n < m)
1125 c66b5250 2006-06-25 devnull goto Eshortdraw;
1126 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1127 c66b5250 2006-06-25 devnull if(!dst)
1128 c66b5250 2006-06-25 devnull goto Enodrawimage;
1129 c66b5250 2006-06-25 devnull if(dst->layer){
1130 c66b5250 2006-06-25 devnull drawpoint(&p, a+5);
1131 c66b5250 2006-06-25 devnull drawpoint(&q, a+13);
1132 c66b5250 2006-06-25 devnull r = dst->layer->screenr;
1133 c66b5250 2006-06-25 devnull ni = memlorigin(dst, p, q);
1134 c66b5250 2006-06-25 devnull if(ni < 0){
1135 c66b5250 2006-06-25 devnull err = "image origin failed";
1136 c66b5250 2006-06-25 devnull goto error;
1138 c66b5250 2006-06-25 devnull if(ni > 0){
1139 88ed92aa 2020-01-13 rsc addflush(client, r);
1140 88ed92aa 2020-01-13 rsc addflush(client, dst->layer->screenr);
1141 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1), 1);
1142 c66b5250 2006-06-25 devnull drawrefreshscreen(ll, client);
1145 c66b5250 2006-06-25 devnull continue;
1147 c66b5250 2006-06-25 devnull /* set compositing operator for next draw operation: 'O' op */
1148 c66b5250 2006-06-25 devnull case 'O':
1149 c66b5250 2006-06-25 devnull m = 1+1;
1150 c66b5250 2006-06-25 devnull if(n < m)
1151 c66b5250 2006-06-25 devnull goto Eshortdraw;
1152 c66b5250 2006-06-25 devnull client->op = a[1];
1153 c66b5250 2006-06-25 devnull continue;
1155 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] */
1156 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] */
1157 c66b5250 2006-06-25 devnull case 'p':
1158 c66b5250 2006-06-25 devnull case 'P':
1159 c66b5250 2006-06-25 devnull m = 1+4+2+4+4+4+4+2*4;
1160 c66b5250 2006-06-25 devnull if(n < m)
1161 c66b5250 2006-06-25 devnull goto Eshortdraw;
1162 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1163 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1164 c66b5250 2006-06-25 devnull ni = BGSHORT(a+5);
1165 c66b5250 2006-06-25 devnull if(ni < 0){
1166 c66b5250 2006-06-25 devnull err = "negative cout in polygon";
1167 c66b5250 2006-06-25 devnull goto error;
1169 c66b5250 2006-06-25 devnull e0 = BGLONG(a+7);
1170 c66b5250 2006-06-25 devnull e1 = BGLONG(a+11);
1172 c66b5250 2006-06-25 devnull if(*a == 'p'){
1173 c66b5250 2006-06-25 devnull j = BGLONG(a+15);
1174 c66b5250 2006-06-25 devnull if(j < 0){
1175 c66b5250 2006-06-25 devnull err = "negative polygon line width";
1176 c66b5250 2006-06-25 devnull goto error;
1179 c66b5250 2006-06-25 devnull src = drawimage(client, a+19);
1180 c66b5250 2006-06-25 devnull if(!dst || !src)
1181 c66b5250 2006-06-25 devnull goto Enodrawimage;
1182 c66b5250 2006-06-25 devnull drawpoint(&sp, a+23);
1183 c66b5250 2006-06-25 devnull drawpoint(&p, a+31);
1185 c66b5250 2006-06-25 devnull pp = mallocz(ni*sizeof(Point), 1);
1186 c66b5250 2006-06-25 devnull if(pp == nil)
1187 c66b5250 2006-06-25 devnull goto Enomem;
1188 c66b5250 2006-06-25 devnull doflush = 0;
1189 88ed92aa 2020-01-13 rsc if(dstid==0 || (dst->layer && dst->layer->screen->image->data == client->screenimage->data))
1190 c66b5250 2006-06-25 devnull doflush = 1; /* simplify test in loop */
1191 c66b5250 2006-06-25 devnull ox = oy = 0;
1192 c66b5250 2006-06-25 devnull esize = 0;
1193 c66b5250 2006-06-25 devnull u = a+m;
1194 c66b5250 2006-06-25 devnull for(y=0; y<ni; y++){
1196 c66b5250 2006-06-25 devnull oesize = esize;
1197 c66b5250 2006-06-25 devnull u = drawcoord(u, a+n, ox, &p.x);
1199 c66b5250 2006-06-25 devnull goto Eshortdraw;
1200 c66b5250 2006-06-25 devnull u = drawcoord(u, a+n, oy, &p.y);
1202 c66b5250 2006-06-25 devnull goto Eshortdraw;
1203 c66b5250 2006-06-25 devnull ox = p.x;
1204 c66b5250 2006-06-25 devnull oy = p.y;
1205 c66b5250 2006-06-25 devnull if(doflush){
1206 c66b5250 2006-06-25 devnull esize = j;
1207 c66b5250 2006-06-25 devnull if(*a == 'p'){
1208 c66b5250 2006-06-25 devnull if(y == 0){
1209 c66b5250 2006-06-25 devnull c = memlineendsize(e0);
1210 c66b5250 2006-06-25 devnull if(c > esize)
1211 c66b5250 2006-06-25 devnull esize = c;
1213 c66b5250 2006-06-25 devnull if(y == ni-1){
1214 c66b5250 2006-06-25 devnull c = memlineendsize(e1);
1215 c66b5250 2006-06-25 devnull if(c > esize)
1216 c66b5250 2006-06-25 devnull esize = c;
1219 c66b5250 2006-06-25 devnull if(*a=='P' && e0!=1 && e0 !=~0)
1220 c66b5250 2006-06-25 devnull r = dst->clipr;
1221 c66b5250 2006-06-25 devnull else if(y > 0){
1222 c66b5250 2006-06-25 devnull r = Rect(q.x-oesize, q.y-oesize, q.x+oesize+1, q.y+oesize+1);
1223 c66b5250 2006-06-25 devnull combinerect(&r, Rect(p.x-esize, p.y-esize, p.x+esize+1, p.y+esize+1));
1225 c66b5250 2006-06-25 devnull if(rectclip(&r, dst->clipr)) /* should perhaps be an arg to dstflush */
1226 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
1228 c66b5250 2006-06-25 devnull pp[y] = p;
1230 c66b5250 2006-06-25 devnull if(y == 1)
1231 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, Rect(p.x-esize, p.y-esize, p.x+esize+1, p.y+esize+1));
1232 c66b5250 2006-06-25 devnull op = drawclientop(client);
1233 c66b5250 2006-06-25 devnull if(*a == 'p')
1234 c66b5250 2006-06-25 devnull mempoly(dst, pp, ni, e0, e1, j, src, sp, op);
1236 c66b5250 2006-06-25 devnull memfillpoly(dst, pp, ni, e0, src, sp, op);
1237 c66b5250 2006-06-25 devnull free(pp);
1238 c66b5250 2006-06-25 devnull m = u-a;
1239 c66b5250 2006-06-25 devnull continue;
1241 c66b5250 2006-06-25 devnull /* read: 'r' id[4] R[4*4] */
1242 c66b5250 2006-06-25 devnull case 'r':
1243 c66b5250 2006-06-25 devnull m = 1+4+4*4;
1244 c66b5250 2006-06-25 devnull if(n < m)
1245 c66b5250 2006-06-25 devnull goto Eshortdraw;
1246 c66b5250 2006-06-25 devnull i = drawimage(client, a+1);
1248 c66b5250 2006-06-25 devnull goto Enodrawimage;
1249 c66b5250 2006-06-25 devnull drawrectangle(&r, a+5);
1250 c66b5250 2006-06-25 devnull if(!rectinrect(r, i->r))
1251 c66b5250 2006-06-25 devnull goto Ereadoutside;
1252 c66b5250 2006-06-25 devnull c = bytesperline(r, i->depth);
1253 c66b5250 2006-06-25 devnull c *= Dy(r);
1254 c66b5250 2006-06-25 devnull free(client->readdata);
1255 c66b5250 2006-06-25 devnull client->readdata = mallocz(c, 0);
1256 c66b5250 2006-06-25 devnull if(client->readdata == nil){
1257 c66b5250 2006-06-25 devnull err = "readimage malloc failed";
1258 c66b5250 2006-06-25 devnull goto error;
1260 c66b5250 2006-06-25 devnull client->nreaddata = memunload(i, r, client->readdata, c);
1261 c66b5250 2006-06-25 devnull if(client->nreaddata < 0){
1262 c66b5250 2006-06-25 devnull free(client->readdata);
1263 c66b5250 2006-06-25 devnull client->readdata = nil;
1264 c66b5250 2006-06-25 devnull err = "bad readimage call";
1265 c66b5250 2006-06-25 devnull goto error;
1267 c66b5250 2006-06-25 devnull continue;
1269 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]) */
1270 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]) */
1271 c66b5250 2006-06-25 devnull case 's':
1272 c66b5250 2006-06-25 devnull case 'x':
1273 c66b5250 2006-06-25 devnull m = 1+4+4+4+2*4+4*4+2*4+2;
1274 c66b5250 2006-06-25 devnull if(*a == 'x')
1275 c66b5250 2006-06-25 devnull m += 4+2*4;
1276 c66b5250 2006-06-25 devnull if(n < m)
1277 c66b5250 2006-06-25 devnull goto Eshortdraw;
1279 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1280 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1281 c66b5250 2006-06-25 devnull src = drawimage(client, a+5);
1282 c66b5250 2006-06-25 devnull if(!dst || !src)
1283 c66b5250 2006-06-25 devnull goto Enodrawimage;
1284 c66b5250 2006-06-25 devnull font = drawlookup(client, BGLONG(a+9), 1);
1285 c66b5250 2006-06-25 devnull if(font == 0)
1286 c66b5250 2006-06-25 devnull goto Enodrawimage;
1287 c66b5250 2006-06-25 devnull if(font->nfchar == 0)
1288 c66b5250 2006-06-25 devnull goto Enotfont;
1289 c66b5250 2006-06-25 devnull drawpoint(&p, a+13);
1290 c66b5250 2006-06-25 devnull drawrectangle(&r, a+21);
1291 c66b5250 2006-06-25 devnull drawpoint(&sp, a+37);
1292 c66b5250 2006-06-25 devnull ni = BGSHORT(a+45);
1293 c66b5250 2006-06-25 devnull u = a+m;
1294 c66b5250 2006-06-25 devnull m += ni*2;
1295 c66b5250 2006-06-25 devnull if(n < m)
1296 c66b5250 2006-06-25 devnull goto Eshortdraw;
1297 c66b5250 2006-06-25 devnull clipr = dst->clipr;
1298 c66b5250 2006-06-25 devnull dst->clipr = r;
1299 c66b5250 2006-06-25 devnull op = drawclientop(client);
1300 c66b5250 2006-06-25 devnull if(*a == 'x'){
1301 c66b5250 2006-06-25 devnull /* paint background */
1302 c66b5250 2006-06-25 devnull l = drawimage(client, a+47);
1304 c66b5250 2006-06-25 devnull goto Enodrawimage;
1305 c66b5250 2006-06-25 devnull drawpoint(&q, a+51);
1306 c66b5250 2006-06-25 devnull r.min.x = p.x;
1307 c66b5250 2006-06-25 devnull r.min.y = p.y-font->ascent;
1308 c66b5250 2006-06-25 devnull r.max.x = p.x;
1309 c66b5250 2006-06-25 devnull r.max.y = r.min.y+Dy(font->image->r);
1310 c66b5250 2006-06-25 devnull j = ni;
1311 c66b5250 2006-06-25 devnull while(--j >= 0){
1312 c66b5250 2006-06-25 devnull ci = BGSHORT(u);
1313 c66b5250 2006-06-25 devnull if(ci<0 || ci>=font->nfchar){
1314 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1315 c66b5250 2006-06-25 devnull goto Eindex;
1317 c66b5250 2006-06-25 devnull r.max.x += font->fchar[ci].width;
1318 c66b5250 2006-06-25 devnull u += 2;
1320 c66b5250 2006-06-25 devnull memdraw(dst, r, l, q, memopaque, ZP, op);
1321 c66b5250 2006-06-25 devnull u -= 2*ni;
1324 c66b5250 2006-06-25 devnull while(--ni >= 0){
1325 c66b5250 2006-06-25 devnull ci = BGSHORT(u);
1326 c66b5250 2006-06-25 devnull if(ci<0 || ci>=font->nfchar){
1327 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1328 c66b5250 2006-06-25 devnull goto Eindex;
1330 c66b5250 2006-06-25 devnull q = drawchar(dst, q, src, &sp, font, ci, op);
1331 c66b5250 2006-06-25 devnull u += 2;
1333 c66b5250 2006-06-25 devnull dst->clipr = clipr;
1334 c66b5250 2006-06-25 devnull p.y -= font->ascent;
1335 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, Rect(p.x, p.y, q.x, p.y+Dy(font->image->r)));
1336 c66b5250 2006-06-25 devnull continue;
1338 c66b5250 2006-06-25 devnull /* use public screen: 'S' id[4] chan[4] */
1339 c66b5250 2006-06-25 devnull case 'S':
1340 c66b5250 2006-06-25 devnull m = 1+4+4;
1341 c66b5250 2006-06-25 devnull if(n < m)
1342 c66b5250 2006-06-25 devnull goto Eshortdraw;
1343 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1344 c66b5250 2006-06-25 devnull if(dstid == 0)
1345 c66b5250 2006-06-25 devnull goto Ebadarg;
1346 88ed92aa 2020-01-13 rsc dscrn = drawlookupdscreen(client, dstid);
1347 c66b5250 2006-06-25 devnull if(dscrn==0 || (dscrn->public==0 && dscrn->owner!=client))
1348 c66b5250 2006-06-25 devnull goto Enodrawscreen;
1349 c66b5250 2006-06-25 devnull if(dscrn->screen->image->chan != BGLONG(a+5)){
1350 c66b5250 2006-06-25 devnull err = "inconsistent chan";
1351 c66b5250 2006-06-25 devnull goto error;
1353 c66b5250 2006-06-25 devnull if(drawinstallscreen(client, dscrn, 0, 0, 0, 0) == 0)
1354 c66b5250 2006-06-25 devnull goto Edrawmem;
1355 c66b5250 2006-06-25 devnull continue;
1357 c66b5250 2006-06-25 devnull /* top or bottom windows: 't' top[1] nw[2] n*id[4] */
1358 c66b5250 2006-06-25 devnull case 't':
1359 c66b5250 2006-06-25 devnull m = 1+1+2;
1360 c66b5250 2006-06-25 devnull if(n < m)
1361 c66b5250 2006-06-25 devnull goto Eshortdraw;
1362 c66b5250 2006-06-25 devnull nw = BGSHORT(a+2);
1363 c66b5250 2006-06-25 devnull if(nw < 0)
1364 c66b5250 2006-06-25 devnull goto Ebadarg;
1365 c66b5250 2006-06-25 devnull if(nw == 0)
1366 c66b5250 2006-06-25 devnull continue;
1367 c66b5250 2006-06-25 devnull m += nw*4;
1368 c66b5250 2006-06-25 devnull if(n < m)
1369 c66b5250 2006-06-25 devnull goto Eshortdraw;
1370 c66b5250 2006-06-25 devnull lp = mallocz(nw*sizeof(Memimage*), 1);
1371 c66b5250 2006-06-25 devnull if(lp == 0)
1372 c66b5250 2006-06-25 devnull goto Enomem;
1373 c66b5250 2006-06-25 devnull for(j=0; j<nw; j++){
1374 c66b5250 2006-06-25 devnull lp[j] = drawimage(client, a+1+1+2+j*4);
1375 c66b5250 2006-06-25 devnull if(lp[j] == nil){
1376 c66b5250 2006-06-25 devnull free(lp);
1377 c66b5250 2006-06-25 devnull goto Enodrawimage;
1380 c66b5250 2006-06-25 devnull if(lp[0]->layer == 0){
1381 c66b5250 2006-06-25 devnull err = "images are not windows";
1382 c66b5250 2006-06-25 devnull free(lp);
1383 c66b5250 2006-06-25 devnull goto error;
1385 c66b5250 2006-06-25 devnull for(j=1; j<nw; j++)
1386 c66b5250 2006-06-25 devnull if(lp[j]->layer->screen != lp[0]->layer->screen){
1387 c66b5250 2006-06-25 devnull err = "images not on same screen";
1388 c66b5250 2006-06-25 devnull free(lp);
1389 c66b5250 2006-06-25 devnull goto error;
1391 c66b5250 2006-06-25 devnull if(a[1])
1392 c66b5250 2006-06-25 devnull memltofrontn(lp, nw);
1394 c66b5250 2006-06-25 devnull memltorearn(lp, nw);
1395 88ed92aa 2020-01-13 rsc if(lp[0]->layer->screen->image->data == client->screenimage->data)
1396 c66b5250 2006-06-25 devnull for(j=0; j<nw; j++)
1397 88ed92aa 2020-01-13 rsc addflush(client, lp[j]->layer->screenr);
1398 c66b5250 2006-06-25 devnull free(lp);
1399 c66b5250 2006-06-25 devnull ll = drawlookup(client, BGLONG(a+1+1+2), 1);
1400 c66b5250 2006-06-25 devnull drawrefreshscreen(ll, client);
1401 c66b5250 2006-06-25 devnull continue;
1403 c66b5250 2006-06-25 devnull /* visible: 'v' */
1404 c66b5250 2006-06-25 devnull case 'v':
1406 88ed92aa 2020-01-13 rsc drawflush(client);
1407 c66b5250 2006-06-25 devnull continue;
1409 c66b5250 2006-06-25 devnull /* write: 'y' id[4] R[4*4] data[x*1] */
1410 c66b5250 2006-06-25 devnull /* write from compressed data: 'Y' id[4] R[4*4] data[x*1] */
1411 c66b5250 2006-06-25 devnull case 'y':
1412 c66b5250 2006-06-25 devnull case 'Y':
1413 c66b5250 2006-06-25 devnull m = 1+4+4*4;
1414 c66b5250 2006-06-25 devnull if(n < m)
1415 c66b5250 2006-06-25 devnull goto Eshortdraw;
1416 c66b5250 2006-06-25 devnull dstid = BGLONG(a+1);
1417 c66b5250 2006-06-25 devnull dst = drawimage(client, a+1);
1418 c66b5250 2006-06-25 devnull if(!dst)
1419 c66b5250 2006-06-25 devnull goto Enodrawimage;
1420 c66b5250 2006-06-25 devnull drawrectangle(&r, a+5);
1421 c66b5250 2006-06-25 devnull if(!rectinrect(r, dst->r))
1422 c66b5250 2006-06-25 devnull goto Ewriteoutside;
1423 c66b5250 2006-06-25 devnull y = memload(dst, r, a+m, n-m, *a=='Y');
1424 c66b5250 2006-06-25 devnull if(y < 0){
1425 c66b5250 2006-06-25 devnull err = "bad writeimage call";
1426 c66b5250 2006-06-25 devnull goto error;
1428 88ed92aa 2020-01-13 rsc dstflush(client, dstid, dst, r);
1429 c66b5250 2006-06-25 devnull m += y;
1430 c66b5250 2006-06-25 devnull continue;
1433 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
1434 41547af3 2020-01-13 rsc qunlock(&client->drawlk);
1435 c66b5250 2006-06-25 devnull return oldn - n;
1437 c66b5250 2006-06-25 devnull Enodrawimage:
1438 c66b5250 2006-06-25 devnull err = "unknown id for draw image";
1439 c66b5250 2006-06-25 devnull goto error;
1440 c66b5250 2006-06-25 devnull Enodrawscreen:
1441 c66b5250 2006-06-25 devnull err = "unknown id for draw screen";
1442 c66b5250 2006-06-25 devnull goto error;
1443 c66b5250 2006-06-25 devnull Eshortdraw:
1444 c66b5250 2006-06-25 devnull err = "short draw message";
1445 c66b5250 2006-06-25 devnull goto error;
1447 c66b5250 2006-06-25 devnull Eshortread:
1448 c66b5250 2006-06-25 devnull err = "draw read too short";
1449 c66b5250 2006-06-25 devnull goto error;
1451 c66b5250 2006-06-25 devnull Eimageexists:
1452 c66b5250 2006-06-25 devnull err = "image id in use";
1453 c66b5250 2006-06-25 devnull goto error;
1454 c66b5250 2006-06-25 devnull Escreenexists:
1455 c66b5250 2006-06-25 devnull err = "screen id in use";
1456 c66b5250 2006-06-25 devnull goto error;
1457 c66b5250 2006-06-25 devnull Edrawmem:
1458 c66b5250 2006-06-25 devnull err = "image memory allocation failed";
1459 c66b5250 2006-06-25 devnull goto error;
1460 c66b5250 2006-06-25 devnull Ereadoutside:
1461 c66b5250 2006-06-25 devnull err = "readimage outside image";
1462 c66b5250 2006-06-25 devnull goto error;
1463 c66b5250 2006-06-25 devnull Ewriteoutside:
1464 c66b5250 2006-06-25 devnull err = "writeimage outside image";
1465 c66b5250 2006-06-25 devnull goto error;
1466 c66b5250 2006-06-25 devnull Enotfont:
1467 c66b5250 2006-06-25 devnull err = "image not a font";
1468 c66b5250 2006-06-25 devnull goto error;
1469 c66b5250 2006-06-25 devnull Eindex:
1470 c66b5250 2006-06-25 devnull err = "character index out of range";
1471 c66b5250 2006-06-25 devnull goto error;
1473 c66b5250 2006-06-25 devnull Enoclient:
1474 c66b5250 2006-06-25 devnull err = "no such draw client";
1475 c66b5250 2006-06-25 devnull goto error;
1476 c66b5250 2006-06-25 devnull Edepth:
1477 c66b5250 2006-06-25 devnull err = "image has bad depth";
1478 c66b5250 2006-06-25 devnull goto error;
1479 c66b5250 2006-06-25 devnull Enameused:
1480 c66b5250 2006-06-25 devnull err = "image name in use";
1481 c66b5250 2006-06-25 devnull goto error;
1483 c66b5250 2006-06-25 devnull Enoname:
1484 c66b5250 2006-06-25 devnull err = "no image with that name";
1485 c66b5250 2006-06-25 devnull goto error;
1486 c66b5250 2006-06-25 devnull Eoldname:
1487 c66b5250 2006-06-25 devnull err = "named image no longer valid";
1488 c66b5250 2006-06-25 devnull goto error;
1489 c66b5250 2006-06-25 devnull Enamed:
1490 c66b5250 2006-06-25 devnull err = "image already has name";
1491 c66b5250 2006-06-25 devnull goto error;
1492 c66b5250 2006-06-25 devnull Ewrongname:
1493 c66b5250 2006-06-25 devnull err = "wrong name for image";
1494 c66b5250 2006-06-25 devnull goto error;
1495 c66b5250 2006-06-25 devnull Enomem:
1496 c66b5250 2006-06-25 devnull err = "out of memory";
1497 c66b5250 2006-06-25 devnull goto error;
1498 c66b5250 2006-06-25 devnull Ebadarg:
1499 c66b5250 2006-06-25 devnull err = "bad argument in draw message";
1500 c66b5250 2006-06-25 devnull goto error;
1503 c66b5250 2006-06-25 devnull werrstr("%s", err);
1504 50923426 2020-01-13 rsc rpc_gfxdrawunlock();
1505 41547af3 2020-01-13 rsc qunlock(&client->drawlk);
1506 c66b5250 2006-06-25 devnull return -1;
