/[rdesktop]/sourceforge.net/trunk/rdesktop/orders.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /sourceforge.net/trunk/rdesktop/orders.c

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Revision 28 - (show annotations)
Wed Jun 20 13:54:48 2001 UTC (22 years, 11 months ago) by matty
File MIME type: text/plain
File size: 20062 byte(s)
Merges from pl19-6-5.

1 /*
2 rdesktop: A Remote Desktop Protocol client.
3 RDP order processing
4 Copyright (C) Matthew Chapman 1999-2000
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include "rdesktop.h"
22 #include "orders.h"
23
24 extern uint8 *next_packet;
25 static RDP_ORDER_STATE order_state;
26
27 /* Read field indicating which parameters are present */
28 static void
29 rdp_in_present(STREAM s, uint32 *present, uint8 flags, int size)
30 {
31 uint8 bits;
32 int i;
33
34 if (flags & RDP_ORDER_SMALL)
35 {
36 size--;
37 }
38
39 if (flags & RDP_ORDER_TINY)
40 {
41 if (size < 2)
42 size = 0;
43 else
44 size -= 2;
45 }
46
47 *present = 0;
48 for (i = 0; i < size; i++)
49 {
50 in_uint8(s, bits);
51 *present |= bits << (i * 8);
52 }
53 }
54
55 /* Read a co-ordinate (16-bit, or 8-bit delta) */
56 static void
57 rdp_in_coord(STREAM s, uint16 *coord, BOOL delta)
58 {
59 uint8 change;
60
61 if (delta)
62 {
63 in_uint8(s, change);
64 *coord += (char) change;
65 }
66 else
67 {
68 in_uint16_le(s, *coord);
69 }
70 }
71
72 /* Read a colour entry */
73 static void
74 rdp_in_colour(STREAM s, uint8 *colour)
75 {
76 in_uint8(s, *colour);
77 s->p += 2;
78 }
79
80 /* Parse bounds information */
81 static BOOL
82 rdp_parse_bounds(STREAM s, BOUNDS *bounds)
83 {
84 uint8 present;
85
86 in_uint8(s, present);
87
88 if (present & 1)
89 rdp_in_coord(s, &bounds->left, False);
90 else if (present & 16)
91 rdp_in_coord(s, &bounds->left, True);
92
93 if (present & 2)
94 rdp_in_coord(s, &bounds->top, False);
95 else if (present & 32)
96 rdp_in_coord(s, &bounds->top, True);
97
98 if (present & 4)
99 rdp_in_coord(s, &bounds->right, False);
100 else if (present & 64)
101 rdp_in_coord(s, &bounds->right, True);
102
103 if (present & 8)
104 rdp_in_coord(s, &bounds->bottom, False);
105 else if (present & 128)
106 rdp_in_coord(s, &bounds->bottom, True);
107
108 return s_check(s);
109 }
110
111 /* Parse a pen */
112 static BOOL
113 rdp_parse_pen(STREAM s, PEN *pen, uint32 present)
114 {
115 if (present & 1)
116 in_uint8(s, pen->style);
117
118 if (present & 2)
119 in_uint8(s, pen->width);
120
121 if (present & 4)
122 rdp_in_colour(s, &pen->colour);
123
124 return s_check(s);
125 }
126
127 /* Parse a brush */
128 static BOOL
129 rdp_parse_brush(STREAM s, BRUSH *brush, uint32 present)
130 {
131 if (present & 1)
132 in_uint8(s, brush->xorigin);
133
134 if (present & 2)
135 in_uint8(s, brush->yorigin);
136
137 if (present & 4)
138 in_uint8(s, brush->style);
139
140 if (present & 8)
141 in_uint8(s, brush->pattern[0]);
142
143 if (present & 16)
144 in_uint8a(s, &brush->pattern[1], 7);
145
146 return s_check(s);
147 }
148
149 /* Process a destination blt order */
150 static void
151 process_destblt(STREAM s, DESTBLT_ORDER *os, uint32 present, BOOL delta)
152 {
153 if (present & 0x01)
154 rdp_in_coord(s, &os->x, delta);
155
156 if (present & 0x02)
157 rdp_in_coord(s, &os->y, delta);
158
159 if (present & 0x04)
160 rdp_in_coord(s, &os->cx, delta);
161
162 if (present & 0x08)
163 rdp_in_coord(s, &os->cy, delta);
164
165 if (present & 0x10)
166 in_uint8(s, os->opcode);
167
168 DEBUG("DESTBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d)\n",
169 os->opcode, os->x, os->y, os->cx, os->cy);
170
171 ui_destblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy);
172 }
173
174 /* Process a pattern blt order */
175 static void
176 process_patblt(STREAM s, PATBLT_ORDER *os, uint32 present, BOOL delta)
177 {
178 if (present & 0x0001)
179 rdp_in_coord(s, &os->x, delta);
180
181 if (present & 0x0002)
182 rdp_in_coord(s, &os->y, delta);
183
184 if (present & 0x0004)
185 rdp_in_coord(s, &os->cx, delta);
186
187 if (present & 0x0008)
188 rdp_in_coord(s, &os->cy, delta);
189
190 if (present & 0x0010)
191 in_uint8(s, os->opcode);
192
193 if (present & 0x0020)
194 rdp_in_colour(s, &os->bgcolour);
195
196 if (present & 0x0040)
197 rdp_in_colour(s, &os->fgcolour);
198
199 rdp_parse_brush(s, &os->brush, present >> 7);
200
201 DEBUG("PATBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,bs=%d,bg=0x%x,fg=0x%x)\n",
202 os->opcode, os->x, os->y, os->cx, os->cy,
203 os->brush.style, os->bgcolour, os->fgcolour);
204
205 ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy,
206 &os->brush, os->bgcolour, os->fgcolour);
207 }
208
209 /* Process a screen blt order */
210 static void
211 process_screenblt(STREAM s, SCREENBLT_ORDER *os, uint32 present, BOOL delta)
212 {
213 if (present & 0x0001)
214 rdp_in_coord(s, &os->x, delta);
215
216 if (present & 0x0002)
217 rdp_in_coord(s, &os->y, delta);
218
219 if (present & 0x0004)
220 rdp_in_coord(s, &os->cx, delta);
221
222 if (present & 0x0008)
223 rdp_in_coord(s, &os->cy, delta);
224
225 if (present & 0x0010)
226 in_uint8(s, os->opcode);
227
228 if (present & 0x0020)
229 rdp_in_coord(s, &os->srcx, delta);
230
231 if (present & 0x0040)
232 rdp_in_coord(s, &os->srcy, delta);
233
234 DEBUG("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n",
235 os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy);
236
237 ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy,
238 os->srcx, os->srcy);
239 }
240
241 /* Process a line order */
242 static void
243 process_line(STREAM s, LINE_ORDER *os, uint32 present, BOOL delta)
244 {
245 if (present & 0x0001)
246 in_uint16_le(s, os->mixmode);
247
248 if (present & 0x0002)
249 rdp_in_coord(s, &os->startx, delta);
250
251 if (present & 0x0004)
252 rdp_in_coord(s, &os->starty, delta);
253
254 if (present & 0x0008)
255 rdp_in_coord(s, &os->endx, delta);
256
257 if (present & 0x0010)
258 rdp_in_coord(s, &os->endy, delta);
259
260 if (present & 0x0020)
261 rdp_in_colour(s, &os->bgcolour);
262
263 if (present & 0x0040)
264 in_uint8(s, os->opcode);
265
266 rdp_parse_pen(s, &os->pen, present >> 7);
267
268 DEBUG("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n",
269 os->opcode, os->startx, os->starty, os->endx, os->endy,
270 os->pen.colour);
271
272 if (os->opcode < 0x01 || os->opcode > 0x10)
273 {
274 ERROR("bad ROP2 0x%x\n", os->opcode);
275 return;
276 }
277
278 ui_line(os->opcode - 1, os->startx, os->starty,
279 os->endx, os->endy, &os->pen);
280 }
281
282 /* Process an opaque rectangle order */
283 static void
284 process_rect(STREAM s, RECT_ORDER *os, uint32 present, BOOL delta)
285 {
286 if (present & 0x01)
287 rdp_in_coord(s, &os->x, delta);
288
289 if (present & 0x02)
290 rdp_in_coord(s, &os->y, delta);
291
292 if (present & 0x04)
293 rdp_in_coord(s, &os->cx, delta);
294
295 if (present & 0x08)
296 rdp_in_coord(s, &os->cy, delta);
297
298 if (present & 0x10)
299 in_uint8(s, os->colour);
300
301 DEBUG("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n",
302 os->x, os->y, os->cx, os->cy, os->colour);
303
304 ui_rect(os->x, os->y, os->cx, os->cy, os->colour);
305 }
306
307 /* Process a desktop save order */
308 static void
309 process_desksave(STREAM s, DESKSAVE_ORDER *os, uint32 present, BOOL delta)
310 {
311 int width, height;
312
313 if (present & 0x01)
314 in_uint32_le(s, os->offset);
315
316 if (present & 0x02)
317 rdp_in_coord(s, &os->left, delta);
318
319 if (present & 0x04)
320 rdp_in_coord(s, &os->top, delta);
321
322 if (present & 0x08)
323 rdp_in_coord(s, &os->right, delta);
324
325 if (present & 0x10)
326 rdp_in_coord(s, &os->bottom, delta);
327
328 if (present & 0x20)
329 in_uint8(s, os->action);
330
331 DEBUG("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n",
332 os->left, os->top, os->right, os->bottom, os->offset,
333 os->action);
334
335 width = os->right - os->left + 1;
336 height = os->bottom - os->top + 1;
337
338 if (os->action == 0)
339 ui_desktop_save(os->offset, os->left, os->top, width, height);
340 else
341 ui_desktop_restore(os->offset, os->left, os->top, width,
342 height);
343 }
344
345 /* Process a memory blt order */
346 static void
347 process_memblt(STREAM s, MEMBLT_ORDER *os, uint32 present, BOOL delta)
348 {
349 HBITMAP bitmap;
350
351 if (present & 0x0001)
352 {
353 in_uint8(s, os->cache_id);
354 in_uint8(s, os->colour_table);
355 }
356
357 if (present & 0x0002)
358 rdp_in_coord(s, &os->x, delta);
359
360 if (present & 0x0004)
361 rdp_in_coord(s, &os->y, delta);
362
363 if (present & 0x0008)
364 rdp_in_coord(s, &os->cx, delta);
365
366 if (present & 0x0010)
367 rdp_in_coord(s, &os->cy, delta);
368
369 if (present & 0x0020)
370 in_uint8(s, os->opcode);
371
372 if (present & 0x0040)
373 rdp_in_coord(s, &os->srcx, delta);
374
375 if (present & 0x0080)
376 rdp_in_coord(s, &os->srcy, delta);
377
378 if (present & 0x0100)
379 in_uint16_le(s, os->cache_idx);
380
381 DEBUG("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n",
382 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id,
383 os->cache_idx);
384
385 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
386 if (bitmap == NULL)
387 return;
388
389 ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy,
390 bitmap, os->srcx, os->srcy);
391 }
392
393 /* Process a 3-way blt order */
394 static void
395 process_triblt(STREAM s, TRIBLT_ORDER *os, uint32 present, BOOL delta)
396 {
397 HBITMAP bitmap;
398
399 if (present & 0x000001)
400 {
401 in_uint8(s, os->cache_id);
402 in_uint8(s, os->colour_table);
403 }
404
405 if (present & 0x000002)
406 rdp_in_coord(s, &os->x, delta);
407
408 if (present & 0x000004)
409 rdp_in_coord(s, &os->y, delta);
410
411 if (present & 0x000008)
412 rdp_in_coord(s, &os->cx, delta);
413
414 if (present & 0x000010)
415 rdp_in_coord(s, &os->cy, delta);
416
417 if (present & 0x000020)
418 in_uint8(s, os->opcode);
419
420 if (present & 0x000040)
421 rdp_in_coord(s, &os->srcx, delta);
422
423 if (present & 0x000080)
424 rdp_in_coord(s, &os->srcy, delta);
425
426 if (present & 0x000100)
427 rdp_in_colour(s, &os->bgcolour);
428
429 if (present & 0x000200)
430 rdp_in_colour(s, &os->fgcolour);
431
432 rdp_parse_brush(s, &os->brush, present >> 10);
433
434 if (present & 0x008000)
435 in_uint16_le(s, os->cache_idx);
436
437 if (present & 0x010000)
438 in_uint16_le(s, os->unknown);
439
440 DEBUG
441 ("TRIBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d,bs=%d,bg=0x%x,fg=0x%x)\n",
442 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id,
443 os->cache_idx, os->brush.style, os->bgcolour, os->fgcolour);
444
445 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
446 if (bitmap == NULL)
447 return;
448
449 ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy,
450 bitmap, os->srcx, os->srcy,
451 &os->brush, os->bgcolour, os->fgcolour);
452 }
453
454 /* Parse a delta co-ordinate in polyline order form */
455 static int
456 parse_delta(uint8 *buffer, int *offset)
457 {
458 int value = buffer[(*offset)++];
459 int two_byte = value & 0x80;
460
461 if (value & 0x40) /* sign bit */
462 value |= ~0x3f;
463 else
464 value &= 0x3f;
465
466 if (two_byte)
467 value = (value << 8) | buffer[(*offset)++];
468
469 return value;
470 }
471
472 /* Process a polyline order */
473 static void
474 process_polyline(STREAM s, POLYLINE_ORDER *os, uint32 present, BOOL delta)
475 {
476 int index, line, data;
477 int x, y, xfrom, yfrom;
478 uint8 flags = 0;
479 PEN pen;
480
481 if (present & 0x01)
482 rdp_in_coord(s, &os->x, delta);
483
484 if (present & 0x02)
485 rdp_in_coord(s, &os->y, delta);
486
487 if (present & 0x04)
488 in_uint8(s, os->flags);
489
490 if (present & 0x10)
491 rdp_in_colour(s, &os->fgcolour);
492
493 if (present & 0x20)
494 in_uint8(s, os->lines);
495
496 if (present & 0x40)
497 {
498 in_uint8(s, os->datasize);
499 in_uint8a(s, os->data, os->datasize);
500 }
501
502 DEBUG("POLYLINE(x=%d,y=%d,fl=0x%x,fg=0x%x,n=%d,sz=%d)\n",
503 os->x, os->y, os->flags, os->fgcolour, os->lines, os->datasize);
504
505 DEBUG("Data: ");
506
507 for (index = 0; index < os->datasize; index++)
508 DEBUG("%02x ", os->data[index]);
509
510 DEBUG("\n");
511
512 x = os->x;
513 y = os->y;
514 pen.style = pen.width = 0;
515 pen.colour = os->fgcolour;
516
517 index = 0;
518 data = ((os->lines - 1) / 4) + 1;
519 for (line = 0; (line < os->lines) && (data < os->datasize); line++)
520 {
521 xfrom = x;
522 yfrom = y;
523
524 if (line % 4 == 0)
525 flags = os->data[index++];
526
527 if ((flags & 0xc0) == 0)
528 flags |= 0xc0; /* none = both */
529
530 if (flags & 0x40)
531 x += parse_delta(os->data, &data);
532
533 if (flags & 0x80)
534 y += parse_delta(os->data, &data);
535
536 ui_line(ROP2_NXOR, xfrom, yfrom, x, y, &pen);
537
538 flags <<= 2;
539 }
540 }
541
542 /* Process a text order */
543 static void
544 process_text2(STREAM s, TEXT2_ORDER *os, uint32 present, BOOL delta)
545 {
546 DATABLOB *entry;
547 int i;
548
549 if (present & 0x000001)
550 in_uint8(s, os->font);
551
552 if (present & 0x000002)
553 in_uint8(s, os->flags);
554
555 if (present & 0x000004)
556 in_uint8(s, os->unknown);
557
558 if (present & 0x000008)
559 in_uint8(s, os->mixmode);
560
561 if (present & 0x000010)
562 rdp_in_colour(s, &os->fgcolour);
563
564 if (present & 0x000020)
565 rdp_in_colour(s, &os->bgcolour);
566
567 if (present & 0x000040)
568 in_uint16_le(s, os->clipleft);
569
570 if (present & 0x000080)
571 in_uint16_le(s, os->cliptop);
572
573 if (present & 0x000100)
574 in_uint16_le(s, os->clipright);
575
576 if (present & 0x000200)
577 in_uint16_le(s, os->clipbottom);
578
579 if (present & 0x000400)
580 in_uint16_le(s, os->boxleft);
581
582 if (present & 0x000800)
583 in_uint16_le(s, os->boxtop);
584
585 if (present & 0x001000)
586 in_uint16_le(s, os->boxright);
587
588 if (present & 0x002000)
589 in_uint16_le(s, os->boxbottom);
590
591 if (present & 0x080000)
592 in_uint16_le(s, os->x);
593
594 if (present & 0x100000)
595 in_uint16_le(s, os->y);
596
597 if (present & 0x200000)
598 {
599 in_uint8(s, os->length);
600 in_uint8a(s, os->text, os->length);
601 }
602
603 DEBUG
604 ("TEXT2(x=%d,y=%d,cl=%d,ct=%d,cr=%d,cb=%d,bl=%d,bt=%d,bb=%d,br=%d,fg=0x%x,bg=0x%x,font=%d,fl=0x%x,mix=%d,unk=0x%x,n=%d)\n",
605 os->x, os->y, os->clipleft, os->cliptop, os->clipright,
606 os->clipbottom, os->boxleft, os->boxtop, os->boxright,
607 os->boxbottom, os->fgcolour, os->bgcolour, os->font,
608 os->flags, os->mixmode, os->unknown, os->length);
609
610 DEBUG("Text: ");
611
612 for (i = 0; i < os->length; i++)
613 DEBUG("%02x ", os->text[i]);
614
615 DEBUG("\n");
616
617 /* Process special cache strings */
618 if ((os->length >= 2) && (os->text[0] == 0xfe))
619 {
620 entry = cache_get_text(os->text[1]);
621
622 if (entry == NULL)
623 return;
624
625 memcpy(os->text, entry->data, entry->size);
626 os->length = entry->size;
627 }
628 else if ((os->length >= 3) && (os->text[os->length - 3] == 0xff))
629 {
630 os->length -= 3;
631 cache_put_text(os->text[os->length + 1], os->text,
632 os->length);
633 }
634
635 ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y,
636 os->clipleft, os->cliptop,
637 os->clipright - os->clipleft,
638 os->clipbottom - os->cliptop,
639 os->boxleft, os->boxtop,
640 os->boxright - os->boxleft,
641 os->boxbottom - os->boxtop,
642 os->bgcolour, os->fgcolour, os->text, os->length);
643 }
644
645 /* Process a raw bitmap cache order */
646 static void
647 process_raw_bmpcache(STREAM s)
648 {
649 HBITMAP bitmap;
650 uint16 cache_idx, bufsize;
651 uint8 cache_id, width, height, bpp;
652 uint8 *data, *inverted;
653 int y;
654
655 in_uint8(s, cache_id);
656 in_uint8s(s, 1); /* pad */
657 in_uint8(s, width);
658 in_uint8(s, height);
659 in_uint8(s, bpp);
660 in_uint16_le(s, bufsize);
661 in_uint16_le(s, cache_idx);
662 in_uint8p(s, data, bufsize);
663
664 DEBUG("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n",
665 width, height, cache_id, cache_idx);
666 inverted = xmalloc(width * height);
667 for (y = 0; y < height; y++)
668 {
669 memcpy(&inverted[(height - y - 1) * width], &data[y * width],
670 width);
671 }
672
673 bitmap = ui_create_bitmap(width, height, inverted);
674 xfree(inverted);
675 cache_put_bitmap(cache_id, cache_idx, bitmap);
676 }
677
678 /* Process a bitmap cache order */
679 static void
680 process_bmpcache(STREAM s)
681 {
682 HBITMAP bitmap;
683 uint16 cache_idx, size;
684 uint8 cache_id, width, height, bpp;
685 uint8 *data, *bmpdata;
686
687 in_uint8(s, cache_id);
688 in_uint8s(s, 1); /* pad */
689 in_uint8(s, width);
690 in_uint8(s, height);
691 in_uint8(s, bpp);
692 in_uint8s(s, 2); /* bufsize */
693 in_uint16_le(s, cache_idx);
694 in_uint8s(s, 2); /* pad */
695 in_uint16_le(s, size);
696 in_uint8s(s, 4); /* row_size, final_size */
697 in_uint8p(s, data, size);
698
699 DEBUG("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n",
700 width, height, cache_id, cache_idx);
701
702 bmpdata = xmalloc(width * height);
703
704 if (bitmap_decompress(bmpdata, width, height, data, size))
705 {
706 bitmap = ui_create_bitmap(width, height, bmpdata);
707 cache_put_bitmap(cache_id, cache_idx, bitmap);
708 }
709
710 xfree(bmpdata);
711 }
712
713 /* Process a colourmap cache order */
714 static void
715 process_colcache(STREAM s)
716 {
717 COLOURENTRY *entry;
718 COLOURMAP map;
719 HCOLOURMAP hmap;
720 uint8 cache_id;
721 int i;
722
723 in_uint8(s, cache_id);
724 in_uint16_le(s, map.ncolours);
725
726 map.colours = xmalloc(3 * map.ncolours);
727
728 for (i = 0; i < map.ncolours; i++)
729 {
730 entry = &map.colours[i];
731 in_uint8(s, entry->blue);
732 in_uint8(s, entry->green);
733 in_uint8(s, entry->red);
734 in_uint8s(s, 1); /* pad */
735 }
736
737 DEBUG("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours);
738
739 hmap = ui_create_colourmap(&map);
740 ui_set_colourmap(hmap);
741
742 xfree(map.colours);
743 }
744
745 /* Process a font cache order */
746 static void
747 process_fontcache(STREAM s)
748 {
749 HGLYPH bitmap;
750 uint8 font, nglyphs;
751 uint16 character, offset, baseline, width, height;
752 int i, datasize;
753 uint8 *data;
754
755 in_uint8(s, font);
756 in_uint8(s, nglyphs);
757
758 DEBUG("FONTCACHE(font=%d,n=%d)\n", font, nglyphs);
759
760 for (i = 0; i < nglyphs; i++)
761 {
762 in_uint16_le(s, character);
763 in_uint16_le(s, offset);
764 in_uint16_le(s, baseline);
765 in_uint16_le(s, width);
766 in_uint16_le(s, height);
767
768 datasize = (height * ((width + 7) / 8) + 3) & ~3;
769 in_uint8p(s, data, datasize);
770
771 bitmap = ui_create_glyph(width, height, data);
772 cache_put_font(font, character, offset, baseline,
773 width, height, bitmap);
774 }
775 }
776
777 /* Process a secondary order */
778 static void
779 process_secondary_order(STREAM s)
780 {
781 uint16 length;
782 uint8 type;
783 uint8 *next_order;
784
785 in_uint16_le(s, length);
786 in_uint8s(s, 2); /* flags */
787 in_uint8(s, type);
788
789 next_order = s->p + length + 7;
790
791 switch (type)
792 {
793 case RDP_ORDER_RAW_BMPCACHE:
794 process_raw_bmpcache(s);
795 break;
796
797 case RDP_ORDER_COLCACHE:
798 process_colcache(s);
799 break;
800
801 case RDP_ORDER_BMPCACHE:
802 process_bmpcache(s);
803 break;
804
805 case RDP_ORDER_FONTCACHE:
806 process_fontcache(s);
807 break;
808
809 default:
810 NOTIMP("secondary order %d\n", type);
811 }
812
813 s->p = next_order;
814 }
815
816 /* Process an order PDU */
817 void
818 process_orders(STREAM s)
819 {
820 RDP_ORDER_STATE *os = &order_state;
821 uint32 present;
822 uint16 num_orders;
823 uint8 order_flags;
824 int size, processed = 0;
825 BOOL delta;
826
827 in_uint8s(s, 2); /* pad */
828 in_uint16_le(s, num_orders);
829 in_uint8s(s, 2); /* pad */
830
831 while (processed < num_orders)
832 {
833 in_uint8(s, order_flags);
834
835 if (!(order_flags & RDP_ORDER_STANDARD))
836 {
837 ERROR("order parsing failed\n");
838 break;
839 }
840
841 if (order_flags & RDP_ORDER_SECONDARY)
842 {
843 process_secondary_order(s);
844 }
845 else
846 {
847 if (order_flags & RDP_ORDER_CHANGE)
848 {
849 in_uint8(s, os->order_type);
850 }
851
852 switch (os->order_type)
853 {
854 case RDP_ORDER_TRIBLT:
855 case RDP_ORDER_TEXT2:
856 size = 3;
857 break;
858
859 case RDP_ORDER_PATBLT:
860 case RDP_ORDER_MEMBLT:
861 case RDP_ORDER_LINE:
862 size = 2;
863 break;
864
865 default:
866 size = 1;
867 }
868
869 rdp_in_present(s, &present, order_flags, size);
870
871 if (order_flags & RDP_ORDER_BOUNDS)
872 {
873 if (!(order_flags & RDP_ORDER_LASTBOUNDS))
874 rdp_parse_bounds(s, &os->bounds);
875
876 ui_set_clip(os->bounds.left,
877 os->bounds.top,
878 os->bounds.right -
879 os->bounds.left + 1,
880 os->bounds.bottom -
881 os->bounds.top + 1);
882 }
883
884 delta = order_flags & RDP_ORDER_DELTA;
885
886 switch (os->order_type)
887 {
888 case RDP_ORDER_DESTBLT:
889 process_destblt(s, &os->destblt,
890 present, delta);
891 break;
892
893 case RDP_ORDER_PATBLT:
894 process_patblt(s, &os->patblt,
895 present, delta);
896 break;
897
898 case RDP_ORDER_SCREENBLT:
899 process_screenblt(s, &os->screenblt,
900 present, delta);
901 break;
902
903 case RDP_ORDER_LINE:
904 process_line(s, &os->line,
905 present, delta);
906 break;
907
908 case RDP_ORDER_RECT:
909 process_rect(s, &os->rect,
910 present, delta);
911 break;
912
913 case RDP_ORDER_DESKSAVE:
914 process_desksave(s, &os->desksave,
915 present, delta);
916 break;
917
918 case RDP_ORDER_MEMBLT:
919 process_memblt(s, &os->memblt,
920 present, delta);
921 break;
922
923 case RDP_ORDER_TRIBLT:
924 process_triblt(s, &os->triblt,
925 present, delta);
926 break;
927
928 case RDP_ORDER_POLYLINE:
929 process_polyline(s, &os->polyline,
930 present, delta);
931 break;
932
933 case RDP_ORDER_TEXT2:
934 process_text2(s, &os->text2,
935 present, delta);
936 break;
937
938 default:
939 NOTIMP("order %d\n", os->order_type);
940 return;
941 }
942
943 if (order_flags & RDP_ORDER_BOUNDS)
944 ui_reset_clip();
945 }
946
947 processed++;
948 }
949
950 if (s->p != next_packet)
951 WARN("%d bytes remaining\n", (int) (next_packet - s->p));
952 }
953
954 /* Reset order state */
955 void
956 reset_order_state()
957 {
958 memset(&order_state, 0, sizeof(order_state));
959 order_state.order_type = RDP_ORDER_PATBLT;
960 }

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