/[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!
ViewVC logotype

Contents of /sourceforge.net/trunk/rdesktop/orders.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 336 - (show annotations)
Sun Mar 2 23:45:34 2003 UTC (21 years, 2 months ago) by jsorg71
File MIME type: text/plain
File size: 20247 byte(s)
fix for connecting to a server that was disconnected with ms client

1 /*
2 rdesktop: A Remote Desktop Protocol client.
3 RDP order processing
4 Copyright (C) Matthew Chapman 1999-2002
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 sint8 change;
60
61 if (delta)
62 {
63 in_uint8(s, change);
64 *coord += 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, uint32 * colour)
75 {
76 uint32 i;
77 in_uint8(s, i);
78 *colour = i;
79 in_uint8(s, i);
80 *colour |= i << 8;
81 in_uint8(s, i);
82 *colour |= i << 16;
83 }
84
85 /* Parse bounds information */
86 static BOOL
87 rdp_parse_bounds(STREAM s, BOUNDS * bounds)
88 {
89 uint8 present;
90
91 in_uint8(s, present);
92
93 if (present & 1)
94 rdp_in_coord(s, &bounds->left, False);
95 else if (present & 16)
96 rdp_in_coord(s, &bounds->left, True);
97
98 if (present & 2)
99 rdp_in_coord(s, &bounds->top, False);
100 else if (present & 32)
101 rdp_in_coord(s, &bounds->top, True);
102
103 if (present & 4)
104 rdp_in_coord(s, &bounds->right, False);
105 else if (present & 64)
106 rdp_in_coord(s, &bounds->right, True);
107
108 if (present & 8)
109 rdp_in_coord(s, &bounds->bottom, False);
110 else if (present & 128)
111 rdp_in_coord(s, &bounds->bottom, True);
112
113 return s_check(s);
114 }
115
116 /* Parse a pen */
117 static BOOL
118 rdp_parse_pen(STREAM s, PEN * pen, uint32 present)
119 {
120 if (present & 1)
121 in_uint8(s, pen->style);
122
123 if (present & 2)
124 in_uint8(s, pen->width);
125
126 if (present & 4)
127 rdp_in_colour(s, &pen->colour);
128
129 return s_check(s);
130 }
131
132 /* Parse a brush */
133 static BOOL
134 rdp_parse_brush(STREAM s, BRUSH * brush, uint32 present)
135 {
136 if (present & 1)
137 in_uint8(s, brush->xorigin);
138
139 if (present & 2)
140 in_uint8(s, brush->yorigin);
141
142 if (present & 4)
143 in_uint8(s, brush->style);
144
145 if (present & 8)
146 in_uint8(s, brush->pattern[0]);
147
148 if (present & 16)
149 in_uint8a(s, &brush->pattern[1], 7);
150
151 return s_check(s);
152 }
153
154 /* Process a destination blt order */
155 static void
156 process_destblt(STREAM s, DESTBLT_ORDER * os, uint32 present, BOOL delta)
157 {
158 if (present & 0x01)
159 rdp_in_coord(s, &os->x, delta);
160
161 if (present & 0x02)
162 rdp_in_coord(s, &os->y, delta);
163
164 if (present & 0x04)
165 rdp_in_coord(s, &os->cx, delta);
166
167 if (present & 0x08)
168 rdp_in_coord(s, &os->cy, delta);
169
170 if (present & 0x10)
171 in_uint8(s, os->opcode);
172
173 DEBUG(("DESTBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d)\n",
174 os->opcode, os->x, os->y, os->cx, os->cy));
175
176 ui_destblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy);
177 }
178
179 /* Process a pattern blt order */
180 static void
181 process_patblt(STREAM s, PATBLT_ORDER * os, uint32 present, BOOL delta)
182 {
183 if (present & 0x0001)
184 rdp_in_coord(s, &os->x, delta);
185
186 if (present & 0x0002)
187 rdp_in_coord(s, &os->y, delta);
188
189 if (present & 0x0004)
190 rdp_in_coord(s, &os->cx, delta);
191
192 if (present & 0x0008)
193 rdp_in_coord(s, &os->cy, delta);
194
195 if (present & 0x0010)
196 in_uint8(s, os->opcode);
197
198 if (present & 0x0020)
199 rdp_in_colour(s, &os->bgcolour);
200
201 if (present & 0x0040)
202 rdp_in_colour(s, &os->fgcolour);
203
204 rdp_parse_brush(s, &os->brush, present >> 7);
205
206 DEBUG(("PATBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,bs=%d,bg=0x%x,fg=0x%x)\n", os->opcode, os->x,
207 os->y, os->cx, os->cy, os->brush.style, os->bgcolour, os->fgcolour));
208
209 ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy,
210 &os->brush, os->bgcolour, os->fgcolour);
211 }
212
213 /* Process a screen blt order */
214 static void
215 process_screenblt(STREAM s, SCREENBLT_ORDER * os, uint32 present, BOOL delta)
216 {
217 if (present & 0x0001)
218 rdp_in_coord(s, &os->x, delta);
219
220 if (present & 0x0002)
221 rdp_in_coord(s, &os->y, delta);
222
223 if (present & 0x0004)
224 rdp_in_coord(s, &os->cx, delta);
225
226 if (present & 0x0008)
227 rdp_in_coord(s, &os->cy, delta);
228
229 if (present & 0x0010)
230 in_uint8(s, os->opcode);
231
232 if (present & 0x0020)
233 rdp_in_coord(s, &os->srcx, delta);
234
235 if (present & 0x0040)
236 rdp_in_coord(s, &os->srcy, delta);
237
238 DEBUG(("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n",
239 os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy));
240
241 ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, os->srcx, os->srcy);
242 }
243
244 /* Process a line order */
245 static void
246 process_line(STREAM s, LINE_ORDER * os, uint32 present, BOOL delta)
247 {
248 if (present & 0x0001)
249 in_uint16_le(s, os->mixmode);
250
251 if (present & 0x0002)
252 rdp_in_coord(s, &os->startx, delta);
253
254 if (present & 0x0004)
255 rdp_in_coord(s, &os->starty, delta);
256
257 if (present & 0x0008)
258 rdp_in_coord(s, &os->endx, delta);
259
260 if (present & 0x0010)
261 rdp_in_coord(s, &os->endy, delta);
262
263 if (present & 0x0020)
264 rdp_in_colour(s, &os->bgcolour);
265
266 if (present & 0x0040)
267 in_uint8(s, os->opcode);
268
269 rdp_parse_pen(s, &os->pen, present >> 7);
270
271 DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n",
272 os->opcode, os->startx, os->starty, os->endx, os->endy, os->pen.colour));
273
274 if (os->opcode < 0x01 || os->opcode > 0x10)
275 {
276 error("bad ROP2 0x%x\n", os->opcode);
277 return;
278 }
279
280 ui_line(os->opcode - 1, os->startx, os->starty, os->endx, os->endy, &os->pen);
281 }
282
283 /* Process an opaque rectangle order */
284 static void
285 process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta)
286 {
287 uint32 i;
288 if (present & 0x01)
289 rdp_in_coord(s, &os->x, delta);
290
291 if (present & 0x02)
292 rdp_in_coord(s, &os->y, delta);
293
294 if (present & 0x04)
295 rdp_in_coord(s, &os->cx, delta);
296
297 if (present & 0x08)
298 rdp_in_coord(s, &os->cy, delta);
299
300 if (present & 0x10)
301 {
302 in_uint8(s, i);
303 os->colour = (os->colour & 0xffffff00) | i;
304 }
305
306 if (present & 0x20)
307 {
308 in_uint8(s, i);
309 os->colour = (os->colour & 0xffff00ff) | (i << 8);
310 }
311
312 if (present & 0x40)
313 {
314 in_uint8(s, i);
315 os->colour = (os->colour & 0xff00ffff) | (i << 16);
316 }
317
318 DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour));
319
320 ui_rect(os->x, os->y, os->cx, os->cy, os->colour);
321 }
322
323 /* Process a desktop save order */
324 static void
325 process_desksave(STREAM s, DESKSAVE_ORDER * os, uint32 present, BOOL delta)
326 {
327 int width, height;
328
329 if (present & 0x01)
330 in_uint32_le(s, os->offset);
331
332 if (present & 0x02)
333 rdp_in_coord(s, &os->left, delta);
334
335 if (present & 0x04)
336 rdp_in_coord(s, &os->top, delta);
337
338 if (present & 0x08)
339 rdp_in_coord(s, &os->right, delta);
340
341 if (present & 0x10)
342 rdp_in_coord(s, &os->bottom, delta);
343
344 if (present & 0x20)
345 in_uint8(s, os->action);
346
347 DEBUG(("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n",
348 os->left, os->top, os->right, os->bottom, os->offset, os->action));
349
350 width = os->right - os->left + 1;
351 height = os->bottom - os->top + 1;
352
353 if (os->action == 0)
354 ui_desktop_save(os->offset, os->left, os->top, width, height);
355 else
356 ui_desktop_restore(os->offset, os->left, os->top, width, height);
357 }
358
359 /* Process a memory blt order */
360 static void
361 process_memblt(STREAM s, MEMBLT_ORDER * os, uint32 present, BOOL delta)
362 {
363 HBITMAP bitmap;
364
365 if (present & 0x0001)
366 {
367 in_uint8(s, os->cache_id);
368 in_uint8(s, os->colour_table);
369 }
370
371 if (present & 0x0002)
372 rdp_in_coord(s, &os->x, delta);
373
374 if (present & 0x0004)
375 rdp_in_coord(s, &os->y, delta);
376
377 if (present & 0x0008)
378 rdp_in_coord(s, &os->cx, delta);
379
380 if (present & 0x0010)
381 rdp_in_coord(s, &os->cy, delta);
382
383 if (present & 0x0020)
384 in_uint8(s, os->opcode);
385
386 if (present & 0x0040)
387 rdp_in_coord(s, &os->srcx, delta);
388
389 if (present & 0x0080)
390 rdp_in_coord(s, &os->srcy, delta);
391
392 if (present & 0x0100)
393 in_uint16_le(s, os->cache_idx);
394
395 DEBUG(("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n",
396 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx));
397
398 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
399 if (bitmap == NULL)
400 return;
401
402 ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, bitmap, os->srcx, os->srcy);
403 }
404
405 /* Process a 3-way blt order */
406 static void
407 process_triblt(STREAM s, TRIBLT_ORDER * os, uint32 present, BOOL delta)
408 {
409 HBITMAP bitmap;
410
411 if (present & 0x000001)
412 {
413 in_uint8(s, os->cache_id);
414 in_uint8(s, os->colour_table);
415 }
416
417 if (present & 0x000002)
418 rdp_in_coord(s, &os->x, delta);
419
420 if (present & 0x000004)
421 rdp_in_coord(s, &os->y, delta);
422
423 if (present & 0x000008)
424 rdp_in_coord(s, &os->cx, delta);
425
426 if (present & 0x000010)
427 rdp_in_coord(s, &os->cy, delta);
428
429 if (present & 0x000020)
430 in_uint8(s, os->opcode);
431
432 if (present & 0x000040)
433 rdp_in_coord(s, &os->srcx, delta);
434
435 if (present & 0x000080)
436 rdp_in_coord(s, &os->srcy, delta);
437
438 if (present & 0x000100)
439 rdp_in_colour(s, &os->bgcolour);
440
441 if (present & 0x000200)
442 rdp_in_colour(s, &os->fgcolour);
443
444 rdp_parse_brush(s, &os->brush, present >> 10);
445
446 if (present & 0x008000)
447 in_uint16_le(s, os->cache_idx);
448
449 if (present & 0x010000)
450 in_uint16_le(s, os->unknown);
451
452 DEBUG(("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",
453 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx,
454 os->brush.style, os->bgcolour, os->fgcolour));
455
456 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
457 if (bitmap == NULL)
458 return;
459
460 ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy,
461 bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour);
462 }
463
464 /* Parse a delta co-ordinate in polyline order form */
465 static int
466 parse_delta(uint8 * buffer, int *offset)
467 {
468 int value = buffer[(*offset)++];
469 int two_byte = value & 0x80;
470
471 if (value & 0x40) /* sign bit */
472 value |= ~0x3f;
473 else
474 value &= 0x3f;
475
476 if (two_byte)
477 value = (value << 8) | buffer[(*offset)++];
478
479 return value;
480 }
481
482 /* Process a polyline order */
483 static void
484 process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta)
485 {
486 int index, line, data;
487 int x, y, xfrom, yfrom;
488 uint8 flags = 0;
489 PEN pen;
490 uint8 opcode;
491
492 if (present & 0x01)
493 rdp_in_coord(s, &os->x, delta);
494
495 if (present & 0x02)
496 rdp_in_coord(s, &os->y, delta);
497
498 if (present & 0x04)
499 in_uint8(s, os->opcode);
500
501 if (present & 0x10)
502 rdp_in_colour(s, &os->fgcolour);
503
504 if (present & 0x20)
505 in_uint8(s, os->lines);
506
507 if (present & 0x40)
508 {
509 in_uint8(s, os->datasize);
510 in_uint8a(s, os->data, os->datasize);
511 }
512
513 DEBUG(("POLYLINE(x=%d,y=%d,op=0x%x,fg=0x%x,n=%d,sz=%d)\n",
514 os->x, os->y, os->opcode, os->fgcolour, os->lines, os->datasize));
515
516 DEBUG(("Data: "));
517
518 for (index = 0; index < os->datasize; index++)
519 DEBUG(("%02x ", os->data[index]));
520
521 DEBUG(("\n"));
522
523 if (os->opcode < 0x01 || os->opcode > 0x10)
524 {
525 error("bad ROP2 0x%x\n", os->opcode);
526 return;
527 }
528
529 opcode = os->opcode - 1;
530 x = os->x;
531 y = os->y;
532 pen.style = pen.width = 0;
533 pen.colour = os->fgcolour;
534
535 index = 0;
536 data = ((os->lines - 1) / 4) + 1;
537 for (line = 0; (line < os->lines) && (data < os->datasize); line++)
538 {
539 xfrom = x;
540 yfrom = y;
541
542 if (line % 4 == 0)
543 flags = os->data[index++];
544
545 if ((flags & 0xc0) == 0)
546 flags |= 0xc0; /* none = both */
547
548 if (flags & 0x40)
549 x += parse_delta(os->data, &data);
550
551 if (flags & 0x80)
552 y += parse_delta(os->data, &data);
553
554 ui_line(opcode, xfrom, yfrom, x, y, &pen);
555
556 flags <<= 2;
557 }
558 }
559
560 /* Process a text order */
561 static void
562 process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta)
563 {
564 int i;
565
566 if (present & 0x000001)
567 in_uint8(s, os->font);
568
569 if (present & 0x000002)
570 in_uint8(s, os->flags);
571
572 if (present & 0x000004)
573 in_uint8(s, os->unknown);
574
575 if (present & 0x000008)
576 in_uint8(s, os->mixmode);
577
578 if (present & 0x000010)
579 rdp_in_colour(s, &os->fgcolour);
580
581 if (present & 0x000020)
582 rdp_in_colour(s, &os->bgcolour);
583
584 if (present & 0x000040)
585 in_uint16_le(s, os->clipleft);
586
587 if (present & 0x000080)
588 in_uint16_le(s, os->cliptop);
589
590 if (present & 0x000100)
591 in_uint16_le(s, os->clipright);
592
593 if (present & 0x000200)
594 in_uint16_le(s, os->clipbottom);
595
596 if (present & 0x000400)
597 in_uint16_le(s, os->boxleft);
598
599 if (present & 0x000800)
600 in_uint16_le(s, os->boxtop);
601
602 if (present & 0x001000)
603 in_uint16_le(s, os->boxright);
604
605 if (present & 0x002000)
606 in_uint16_le(s, os->boxbottom);
607
608 if (present & 0x004000) /* fix for connecting to a server that */
609 in_uint8s(s, 10); /* was disconnected with mstsc.exe */
610 /* 0x008000, 0x020000, and 0x040000 are present too ??? */
611
612 if (present & 0x080000)
613 in_uint16_le(s, os->x);
614
615 if (present & 0x100000)
616 in_uint16_le(s, os->y);
617
618 if (present & 0x200000)
619 {
620 in_uint8(s, os->length);
621 in_uint8a(s, os->text, os->length);
622 }
623
624 DEBUG(("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", os->x, os->y, os->clipleft, os->cliptop, os->clipright, os->clipbottom, os->boxleft, os->boxtop, os->boxright, os->boxbottom, os->fgcolour, os->bgcolour, os->font, os->flags, os->mixmode, os->unknown, os->length));
625
626 DEBUG(("Text: "));
627
628 for (i = 0; i < os->length; i++)
629 DEBUG(("%02x ", os->text[i]));
630
631 DEBUG(("\n"));
632
633 ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y,
634 os->clipleft, os->cliptop,
635 os->clipright - os->clipleft,
636 os->clipbottom - os->cliptop,
637 os->boxleft, os->boxtop,
638 os->boxright - os->boxleft,
639 os->boxbottom - os->boxtop, os->bgcolour, os->fgcolour, os->text, os->length);
640 }
641
642 /* Process a raw bitmap cache order */
643 static void
644 process_raw_bmpcache(STREAM s)
645 {
646 HBITMAP bitmap;
647 uint16 cache_idx, bufsize;
648 uint8 cache_id, width, height, bpp, Bpp;
649 uint8 *data, *inverted;
650 int y;
651
652 in_uint8(s, cache_id);
653 in_uint8s(s, 1); /* pad */
654 in_uint8(s, width);
655 in_uint8(s, height);
656 in_uint8(s, bpp);
657 Bpp = (bpp + 7) / 8;
658 in_uint16_le(s, bufsize);
659 in_uint16_le(s, cache_idx);
660 in_uint8p(s, data, bufsize);
661
662 DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx));
663 inverted = xmalloc(width * height * Bpp);
664 for (y = 0; y < height; y++)
665 {
666 memcpy(&inverted[(height - y - 1) * (width * Bpp)], &data[y * (width * Bpp)],
667 width * Bpp);
668 }
669
670 bitmap = ui_create_bitmap(width, height, inverted);
671 xfree(inverted);
672 cache_put_bitmap(cache_id, cache_idx, bitmap);
673 }
674
675 /* Process a bitmap cache order */
676 static void
677 process_bmpcache(STREAM s)
678 {
679 HBITMAP bitmap;
680 uint16 cache_idx, size;
681 uint8 cache_id, width, height, bpp, Bpp;
682 uint8 *data, *bmpdata;
683
684 in_uint8(s, cache_id);
685 in_uint8s(s, 1); /* pad */
686 in_uint8(s, width);
687 in_uint8(s, height);
688 in_uint8(s, bpp);
689 Bpp = (bpp + 7) / 8;
690 in_uint8s(s, 2); /* bufsize */
691 in_uint16_le(s, cache_idx);
692 in_uint8s(s, 2); /* pad */
693 in_uint16_le(s, size);
694 in_uint8s(s, 4); /* row_size, final_size */
695 in_uint8p(s, data, size);
696
697 DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx));
698
699 bmpdata = xmalloc(width * height * Bpp);
700
701 if (bitmap_decompress(bmpdata, width, height, data, size, Bpp))
702 {
703 bitmap = ui_create_bitmap(width, height, bmpdata);
704 cache_put_bitmap(cache_id, cache_idx, bitmap);
705 }
706
707 xfree(bmpdata);
708 }
709
710 /* Process a colourmap cache order */
711 static void
712 process_colcache(STREAM s)
713 {
714 COLOURENTRY *entry;
715 COLOURMAP map;
716 HCOLOURMAP hmap;
717 uint8 cache_id;
718 int i;
719
720 in_uint8(s, cache_id);
721 in_uint16_le(s, map.ncolours);
722
723 map.colours = xmalloc(3 * map.ncolours);
724
725 for (i = 0; i < map.ncolours; i++)
726 {
727 entry = &map.colours[i];
728 in_uint8(s, entry->blue);
729 in_uint8(s, entry->green);
730 in_uint8(s, entry->red);
731 in_uint8s(s, 1); /* pad */
732 }
733
734 DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours));
735
736 hmap = ui_create_colourmap(&map);
737 ui_set_colourmap(hmap);
738
739 xfree(map.colours);
740 }
741
742 /* Process a font cache order */
743 static void
744 process_fontcache(STREAM s)
745 {
746 HGLYPH bitmap;
747 uint8 font, nglyphs;
748 uint16 character, offset, baseline, width, height;
749 int i, datasize;
750 uint8 *data;
751
752 in_uint8(s, font);
753 in_uint8(s, nglyphs);
754
755 DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs));
756
757 for (i = 0; i < nglyphs; i++)
758 {
759 in_uint16_le(s, character);
760 in_uint16_le(s, offset);
761 in_uint16_le(s, baseline);
762 in_uint16_le(s, width);
763 in_uint16_le(s, height);
764
765 datasize = (height * ((width + 7) / 8) + 3) & ~3;
766 in_uint8p(s, data, datasize);
767
768 bitmap = ui_create_glyph(width, height, data);
769 cache_put_font(font, character, offset, baseline, width, height, bitmap);
770 }
771 }
772
773 /* Process a secondary order */
774 static void
775 process_secondary_order(STREAM s)
776 {
777 uint16 length;
778 uint8 type;
779 uint8 *next_order;
780
781 in_uint16_le(s, length);
782 in_uint8s(s, 2); /* flags */
783 in_uint8(s, type);
784
785 next_order = s->p + length + 7;
786
787 switch (type)
788 {
789 case RDP_ORDER_RAW_BMPCACHE:
790 process_raw_bmpcache(s);
791 break;
792
793 case RDP_ORDER_COLCACHE:
794 process_colcache(s);
795 break;
796
797 case RDP_ORDER_BMPCACHE:
798 process_bmpcache(s);
799 break;
800
801 case RDP_ORDER_FONTCACHE:
802 process_fontcache(s);
803 break;
804
805 default:
806 unimpl("secondary order %d\n", type);
807 }
808
809 s->p = next_order;
810 }
811
812 /* Process an order PDU */
813 void
814 process_orders(STREAM s)
815 {
816 RDP_ORDER_STATE *os = &order_state;
817 uint32 present;
818 uint16 num_orders;
819 uint8 order_flags;
820 int size, processed = 0;
821 BOOL delta;
822
823 in_uint8s(s, 2); /* pad */
824 in_uint16_le(s, num_orders);
825 in_uint8s(s, 2); /* pad */
826
827 while (processed < num_orders)
828 {
829 in_uint8(s, order_flags);
830
831 if (!(order_flags & RDP_ORDER_STANDARD))
832 {
833 error("order parsing failed\n");
834 break;
835 }
836
837 if (order_flags & RDP_ORDER_SECONDARY)
838 {
839 process_secondary_order(s);
840 }
841 else
842 {
843 if (order_flags & RDP_ORDER_CHANGE)
844 {
845 in_uint8(s, os->order_type);
846 }
847
848 switch (os->order_type)
849 {
850 case RDP_ORDER_TRIBLT:
851 case RDP_ORDER_TEXT2:
852 size = 3;
853 break;
854
855 case RDP_ORDER_PATBLT:
856 case RDP_ORDER_MEMBLT:
857 case RDP_ORDER_LINE:
858 size = 2;
859 break;
860
861 default:
862 size = 1;
863 }
864
865 rdp_in_present(s, &present, order_flags, size);
866
867 if (order_flags & RDP_ORDER_BOUNDS)
868 {
869 if (!(order_flags & RDP_ORDER_LASTBOUNDS))
870 rdp_parse_bounds(s, &os->bounds);
871
872 ui_set_clip(os->bounds.left,
873 os->bounds.top,
874 os->bounds.right -
875 os->bounds.left + 1,
876 os->bounds.bottom - os->bounds.top + 1);
877 }
878
879 delta = order_flags & RDP_ORDER_DELTA;
880
881 switch (os->order_type)
882 {
883 case RDP_ORDER_DESTBLT:
884 process_destblt(s, &os->destblt, present, delta);
885 break;
886
887 case RDP_ORDER_PATBLT:
888 process_patblt(s, &os->patblt, present, delta);
889 break;
890
891 case RDP_ORDER_SCREENBLT:
892 process_screenblt(s, &os->screenblt, present, delta);
893 break;
894
895 case RDP_ORDER_LINE:
896 process_line(s, &os->line, present, delta);
897 break;
898
899 case RDP_ORDER_RECT:
900 process_rect(s, &os->rect, present, delta);
901 break;
902
903 case RDP_ORDER_DESKSAVE:
904 process_desksave(s, &os->desksave, present, delta);
905 break;
906
907 case RDP_ORDER_MEMBLT:
908 process_memblt(s, &os->memblt, present, delta);
909 break;
910
911 case RDP_ORDER_TRIBLT:
912 process_triblt(s, &os->triblt, present, delta);
913 break;
914
915 case RDP_ORDER_POLYLINE:
916 process_polyline(s, &os->polyline, present, delta);
917 break;
918
919 case RDP_ORDER_TEXT2:
920 process_text2(s, &os->text2, present, delta);
921 break;
922
923 default:
924 unimpl("order %d\n", os->order_type);
925 return;
926 }
927
928 if (order_flags & RDP_ORDER_BOUNDS)
929 ui_reset_clip();
930 }
931
932 processed++;
933 }
934
935 if (s->p != next_packet)
936 error("%d bytes remaining\n", (int) (next_packet - s->p));
937 }
938
939 /* Reset order state */
940 void
941 reset_order_state(void)
942 {
943 memset(&order_state, 0, sizeof(order_state));
944 order_state.order_type = RDP_ORDER_PATBLT;
945 }

  ViewVC Help
Powered by ViewVC 1.1.26