/[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 831 - (show annotations)
Tue Mar 8 00:43:10 2005 UTC (19 years, 2 months ago) by jdmeijer
File MIME type: text/plain
File size: 29025 byte(s)
Add support for ellipse and polygon orders

1 /* -*- c-basic-offset: 8 -*-
2 rdesktop: A Remote Desktop Protocol client.
3 RDP order processing
4 Copyright (C) Matthew Chapman 1999-2005
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 *g_next_packet;
25 static RDP_ORDER_STATE g_order_state;
26 extern BOOL g_use_rdp5;
27
28 /* Read field indicating which parameters are present */
29 static void
30 rdp_in_present(STREAM s, uint32 * present, uint8 flags, int size)
31 {
32 uint8 bits;
33 int i;
34
35 if (flags & RDP_ORDER_SMALL)
36 {
37 size--;
38 }
39
40 if (flags & RDP_ORDER_TINY)
41 {
42 if (size < 2)
43 size = 0;
44 else
45 size -= 2;
46 }
47
48 *present = 0;
49 for (i = 0; i < size; i++)
50 {
51 in_uint8(s, bits);
52 *present |= bits << (i * 8);
53 }
54 }
55
56 /* Read a co-ordinate (16-bit, or 8-bit delta) */
57 static void
58 rdp_in_coord(STREAM s, sint16 * coord, BOOL delta)
59 {
60 sint8 change;
61
62 if (delta)
63 {
64 in_uint8(s, change);
65 *coord += change;
66 }
67 else
68 {
69 in_uint16_le(s, *coord);
70 }
71 }
72
73 /* Parse a delta co-ordinate in polyline/polygon order form */
74 static int
75 parse_delta(uint8 * buffer, int *offset)
76 {
77 int value = buffer[(*offset)++];
78 int two_byte = value & 0x80;
79
80 if (value & 0x40) /* sign bit */
81 value |= ~0x3f;
82 else
83 value &= 0x3f;
84
85 if (two_byte)
86 value = (value << 8) | buffer[(*offset)++];
87
88 return value;
89 }
90
91 /* Read a colour entry */
92 static void
93 rdp_in_colour(STREAM s, uint32 * colour)
94 {
95 uint32 i;
96 in_uint8(s, i);
97 *colour = i;
98 in_uint8(s, i);
99 *colour |= i << 8;
100 in_uint8(s, i);
101 *colour |= i << 16;
102 }
103
104 /* Parse bounds information */
105 static BOOL
106 rdp_parse_bounds(STREAM s, BOUNDS * bounds)
107 {
108 uint8 present;
109
110 in_uint8(s, present);
111
112 if (present & 1)
113 rdp_in_coord(s, &bounds->left, False);
114 else if (present & 16)
115 rdp_in_coord(s, &bounds->left, True);
116
117 if (present & 2)
118 rdp_in_coord(s, &bounds->top, False);
119 else if (present & 32)
120 rdp_in_coord(s, &bounds->top, True);
121
122 if (present & 4)
123 rdp_in_coord(s, &bounds->right, False);
124 else if (present & 64)
125 rdp_in_coord(s, &bounds->right, True);
126
127 if (present & 8)
128 rdp_in_coord(s, &bounds->bottom, False);
129 else if (present & 128)
130 rdp_in_coord(s, &bounds->bottom, True);
131
132 return s_check(s);
133 }
134
135 /* Parse a pen */
136 static BOOL
137 rdp_parse_pen(STREAM s, PEN * pen, uint32 present)
138 {
139 if (present & 1)
140 in_uint8(s, pen->style);
141
142 if (present & 2)
143 in_uint8(s, pen->width);
144
145 if (present & 4)
146 rdp_in_colour(s, &pen->colour);
147
148 return s_check(s);
149 }
150
151 /* Parse a brush */
152 static BOOL
153 rdp_parse_brush(STREAM s, BRUSH * brush, uint32 present)
154 {
155 if (present & 1)
156 in_uint8(s, brush->xorigin);
157
158 if (present & 2)
159 in_uint8(s, brush->yorigin);
160
161 if (present & 4)
162 in_uint8(s, brush->style);
163
164 if (present & 8)
165 in_uint8(s, brush->pattern[0]);
166
167 if (present & 16)
168 in_uint8a(s, &brush->pattern[1], 7);
169
170 return s_check(s);
171 }
172
173 /* Process a destination blt order */
174 static void
175 process_destblt(STREAM s, DESTBLT_ORDER * os, uint32 present, BOOL delta)
176 {
177 if (present & 0x01)
178 rdp_in_coord(s, &os->x, delta);
179
180 if (present & 0x02)
181 rdp_in_coord(s, &os->y, delta);
182
183 if (present & 0x04)
184 rdp_in_coord(s, &os->cx, delta);
185
186 if (present & 0x08)
187 rdp_in_coord(s, &os->cy, delta);
188
189 if (present & 0x10)
190 in_uint8(s, os->opcode);
191
192 DEBUG(("DESTBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d)\n",
193 os->opcode, os->x, os->y, os->cx, os->cy));
194
195 ui_destblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy);
196 }
197
198 /* Process a pattern blt order */
199 static void
200 process_patblt(STREAM s, PATBLT_ORDER * os, uint32 present, BOOL delta)
201 {
202 if (present & 0x0001)
203 rdp_in_coord(s, &os->x, delta);
204
205 if (present & 0x0002)
206 rdp_in_coord(s, &os->y, delta);
207
208 if (present & 0x0004)
209 rdp_in_coord(s, &os->cx, delta);
210
211 if (present & 0x0008)
212 rdp_in_coord(s, &os->cy, delta);
213
214 if (present & 0x0010)
215 in_uint8(s, os->opcode);
216
217 if (present & 0x0020)
218 rdp_in_colour(s, &os->bgcolour);
219
220 if (present & 0x0040)
221 rdp_in_colour(s, &os->fgcolour);
222
223 rdp_parse_brush(s, &os->brush, present >> 7);
224
225 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,
226 os->y, os->cx, os->cy, os->brush.style, os->bgcolour, os->fgcolour));
227
228 ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy,
229 &os->brush, os->bgcolour, os->fgcolour);
230 }
231
232 /* Process a screen blt order */
233 static void
234 process_screenblt(STREAM s, SCREENBLT_ORDER * os, uint32 present, BOOL delta)
235 {
236 if (present & 0x0001)
237 rdp_in_coord(s, &os->x, delta);
238
239 if (present & 0x0002)
240 rdp_in_coord(s, &os->y, delta);
241
242 if (present & 0x0004)
243 rdp_in_coord(s, &os->cx, delta);
244
245 if (present & 0x0008)
246 rdp_in_coord(s, &os->cy, delta);
247
248 if (present & 0x0010)
249 in_uint8(s, os->opcode);
250
251 if (present & 0x0020)
252 rdp_in_coord(s, &os->srcx, delta);
253
254 if (present & 0x0040)
255 rdp_in_coord(s, &os->srcy, delta);
256
257 DEBUG(("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n",
258 os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy));
259
260 ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, os->srcx, os->srcy);
261 }
262
263 /* Process a line order */
264 static void
265 process_line(STREAM s, LINE_ORDER * os, uint32 present, BOOL delta)
266 {
267 if (present & 0x0001)
268 in_uint16_le(s, os->mixmode);
269
270 if (present & 0x0002)
271 rdp_in_coord(s, &os->startx, delta);
272
273 if (present & 0x0004)
274 rdp_in_coord(s, &os->starty, delta);
275
276 if (present & 0x0008)
277 rdp_in_coord(s, &os->endx, delta);
278
279 if (present & 0x0010)
280 rdp_in_coord(s, &os->endy, delta);
281
282 if (present & 0x0020)
283 rdp_in_colour(s, &os->bgcolour);
284
285 if (present & 0x0040)
286 in_uint8(s, os->opcode);
287
288 rdp_parse_pen(s, &os->pen, present >> 7);
289
290 DEBUG(("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dy=%d,fg=0x%x)\n",
291 os->opcode, os->startx, os->starty, os->endx, os->endy, os->pen.colour));
292
293 if (os->opcode < 0x01 || os->opcode > 0x10)
294 {
295 error("bad ROP2 0x%x\n", os->opcode);
296 return;
297 }
298
299 ui_line(os->opcode - 1, os->startx, os->starty, os->endx, os->endy, &os->pen);
300 }
301
302 /* Process an opaque rectangle order */
303 static void
304 process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta)
305 {
306 uint32 i;
307 if (present & 0x01)
308 rdp_in_coord(s, &os->x, delta);
309
310 if (present & 0x02)
311 rdp_in_coord(s, &os->y, delta);
312
313 if (present & 0x04)
314 rdp_in_coord(s, &os->cx, delta);
315
316 if (present & 0x08)
317 rdp_in_coord(s, &os->cy, delta);
318
319 if (present & 0x10)
320 {
321 in_uint8(s, i);
322 os->colour = (os->colour & 0xffffff00) | i;
323 }
324
325 if (present & 0x20)
326 {
327 in_uint8(s, i);
328 os->colour = (os->colour & 0xffff00ff) | (i << 8);
329 }
330
331 if (present & 0x40)
332 {
333 in_uint8(s, i);
334 os->colour = (os->colour & 0xff00ffff) | (i << 16);
335 }
336
337 DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour));
338
339 ui_rect(os->x, os->y, os->cx, os->cy, os->colour);
340 }
341
342 /* Process a desktop save order */
343 static void
344 process_desksave(STREAM s, DESKSAVE_ORDER * os, uint32 present, BOOL delta)
345 {
346 int width, height;
347
348 if (present & 0x01)
349 in_uint32_le(s, os->offset);
350
351 if (present & 0x02)
352 rdp_in_coord(s, &os->left, delta);
353
354 if (present & 0x04)
355 rdp_in_coord(s, &os->top, delta);
356
357 if (present & 0x08)
358 rdp_in_coord(s, &os->right, delta);
359
360 if (present & 0x10)
361 rdp_in_coord(s, &os->bottom, delta);
362
363 if (present & 0x20)
364 in_uint8(s, os->action);
365
366 DEBUG(("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n",
367 os->left, os->top, os->right, os->bottom, os->offset, os->action));
368
369 width = os->right - os->left + 1;
370 height = os->bottom - os->top + 1;
371
372 if (os->action == 0)
373 ui_desktop_save(os->offset, os->left, os->top, width, height);
374 else
375 ui_desktop_restore(os->offset, os->left, os->top, width, height);
376 }
377
378 /* Process a memory blt order */
379 static void
380 process_memblt(STREAM s, MEMBLT_ORDER * os, uint32 present, BOOL delta)
381 {
382 HBITMAP bitmap;
383
384 if (present & 0x0001)
385 {
386 in_uint8(s, os->cache_id);
387 in_uint8(s, os->colour_table);
388 }
389
390 if (present & 0x0002)
391 rdp_in_coord(s, &os->x, delta);
392
393 if (present & 0x0004)
394 rdp_in_coord(s, &os->y, delta);
395
396 if (present & 0x0008)
397 rdp_in_coord(s, &os->cx, delta);
398
399 if (present & 0x0010)
400 rdp_in_coord(s, &os->cy, delta);
401
402 if (present & 0x0020)
403 in_uint8(s, os->opcode);
404
405 if (present & 0x0040)
406 rdp_in_coord(s, &os->srcx, delta);
407
408 if (present & 0x0080)
409 rdp_in_coord(s, &os->srcy, delta);
410
411 if (present & 0x0100)
412 in_uint16_le(s, os->cache_idx);
413
414 DEBUG(("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n",
415 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx));
416
417 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
418 if (bitmap == NULL)
419 return;
420
421 ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, bitmap, os->srcx, os->srcy);
422 }
423
424 /* Process a 3-way blt order */
425 static void
426 process_triblt(STREAM s, TRIBLT_ORDER * os, uint32 present, BOOL delta)
427 {
428 HBITMAP bitmap;
429
430 if (present & 0x000001)
431 {
432 in_uint8(s, os->cache_id);
433 in_uint8(s, os->colour_table);
434 }
435
436 if (present & 0x000002)
437 rdp_in_coord(s, &os->x, delta);
438
439 if (present & 0x000004)
440 rdp_in_coord(s, &os->y, delta);
441
442 if (present & 0x000008)
443 rdp_in_coord(s, &os->cx, delta);
444
445 if (present & 0x000010)
446 rdp_in_coord(s, &os->cy, delta);
447
448 if (present & 0x000020)
449 in_uint8(s, os->opcode);
450
451 if (present & 0x000040)
452 rdp_in_coord(s, &os->srcx, delta);
453
454 if (present & 0x000080)
455 rdp_in_coord(s, &os->srcy, delta);
456
457 if (present & 0x000100)
458 rdp_in_colour(s, &os->bgcolour);
459
460 if (present & 0x000200)
461 rdp_in_colour(s, &os->fgcolour);
462
463 rdp_parse_brush(s, &os->brush, present >> 10);
464
465 if (present & 0x008000)
466 in_uint16_le(s, os->cache_idx);
467
468 if (present & 0x010000)
469 in_uint16_le(s, os->unknown);
470
471 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",
472 os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx,
473 os->brush.style, os->bgcolour, os->fgcolour));
474
475 bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
476 if (bitmap == NULL)
477 return;
478
479 ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy,
480 bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour);
481 }
482
483 /* Process a polygon order */
484 static void
485 process_polygon(STREAM s, POLYGON_ORDER * os, uint32 present, BOOL delta)
486 {
487 int index, data, next;
488 uint8 flags = 0;
489 POINT *points;
490
491 if (present & 0x01)
492 rdp_in_coord(s, &os->x, delta);
493
494 if (present & 0x02)
495 rdp_in_coord(s, &os->y, delta);
496
497 if (present & 0x04)
498 in_uint8(s, os->opcode);
499
500 if (present & 0x08)
501 in_uint8(s, os->fillmode);
502
503 if (present & 0x10)
504 rdp_in_colour(s, &os->fgcolour);
505
506 if (present & 0x20)
507 in_uint8(s, os->npoints);
508
509 if (present & 0x40)
510 {
511 in_uint8(s, os->datasize);
512 in_uint8a(s, os->data, os->datasize);
513 }
514
515 DEBUG(("POLYGON(x=%d,y=%d,op=0x%x,fm=%d,fg=0x%x,n=%d,sz=%d)\n",
516 os->x, os->y, os->opcode, os->fillmode, os->fgcolour, os->npoints, os->datasize));
517
518 DEBUG(("Data: "));
519
520 for (index = 0; index < os->datasize; index++)
521 DEBUG(("%02x ", os->data[index]));
522
523 DEBUG(("\n"));
524
525 if (os->opcode < 0x01 || os->opcode > 0x10)
526 {
527 error("bad ROP2 0x%x\n", os->opcode);
528 return;
529 }
530
531 points = (POINT *) xmalloc((os->npoints + 1) * sizeof(POINT));
532 memset(points, 0, (os->npoints + 1) * sizeof(POINT));
533
534 points[0].x = os->x;
535 points[0].y = os->y;
536
537 index = 0;
538 data = ((os->npoints - 1) / 4) + 1;
539 for (next = 1; (next <= os->npoints) && (next < 256) && (data < os->datasize); next++)
540 {
541 if ((next - 1) % 4 == 0)
542 flags = os->data[index++];
543
544 if (~flags & 0x80)
545 points[next].x = parse_delta(os->data, &data);
546
547 if (~flags & 0x40)
548 points[next].y = parse_delta(os->data, &data);
549
550 flags <<= 2;
551 }
552
553 if (next - 1 == os->npoints)
554 ui_polygon(os->opcode - 1, os->fillmode, points, os->npoints + 1, NULL, 0,
555 os->fgcolour);
556 else
557 error("polygon parse error\n");
558
559 xfree(points);
560 }
561
562 /* Process a polygon2 order */
563 static void
564 process_polygon2(STREAM s, POLYGON2_ORDER * os, uint32 present, BOOL delta)
565 {
566 int index, data, next;
567 uint8 flags = 0;
568 POINT *points;
569
570 if (present & 0x0001)
571 rdp_in_coord(s, &os->x, delta);
572
573 if (present & 0x0002)
574 rdp_in_coord(s, &os->y, delta);
575
576 if (present & 0x0004)
577 in_uint8(s, os->opcode);
578
579 if (present & 0x0008)
580 in_uint8(s, os->fillmode);
581
582 if (present & 0x0010)
583 rdp_in_colour(s, &os->bgcolour);
584
585 if (present & 0x0020)
586 rdp_in_colour(s, &os->fgcolour);
587
588 rdp_parse_brush(s, &os->brush, present >> 6);
589
590 if (present & 0x0800)
591 in_uint8(s, os->npoints);
592
593 if (present & 0x1000)
594 {
595 in_uint8(s, os->datasize);
596 in_uint8a(s, os->data, os->datasize);
597 }
598
599 DEBUG(("POLYGON2(x=%d,y=%d,op=0x%x,fm=%d,bs=%d,bg=0x%x,fg=0x%x,n=%d,sz=%d)\n",
600 os->x, os->y, os->opcode, os->fillmode, os->brush.style, os->bgcolour, os->fgcolour,
601 os->npoints, os->datasize));
602
603 DEBUG(("Data: "));
604
605 for (index = 0; index < os->datasize; index++)
606 DEBUG(("%02x ", os->data[index]));
607
608 DEBUG(("\n"));
609
610 if (os->opcode < 0x01 || os->opcode > 0x10)
611 {
612 error("bad ROP2 0x%x\n", os->opcode);
613 return;
614 }
615
616 points = (POINT *) xmalloc((os->npoints + 1) * sizeof(POINT));
617 memset(points, 0, (os->npoints + 1) * sizeof(POINT));
618
619 points[0].x = os->x;
620 points[0].y = os->y;
621
622 index = 0;
623 data = ((os->npoints - 1) / 4) + 1;
624 for (next = 1; (next <= os->npoints) && (next < 256) && (data < os->datasize); next++)
625 {
626 if ((next - 1) % 4 == 0)
627 flags = os->data[index++];
628
629 if (~flags & 0x80)
630 points[next].x = parse_delta(os->data, &data);
631
632 if (~flags & 0x40)
633 points[next].y = parse_delta(os->data, &data);
634
635 flags <<= 2;
636 }
637
638 if (next - 1 == os->npoints)
639 ui_polygon(os->opcode - 1, os->fillmode, points, os->npoints + 1,
640 &os->brush, os->bgcolour, os->fgcolour);
641 else
642 error("polygon2 parse error\n");
643
644 xfree(points);
645 }
646
647 /* Process a polyline order */
648 static void
649 process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta)
650 {
651 int index, line, data;
652 int x, y, xfrom, yfrom;
653 uint8 flags = 0;
654 PEN pen;
655 uint8 opcode;
656
657 if (present & 0x01)
658 rdp_in_coord(s, &os->x, delta);
659
660 if (present & 0x02)
661 rdp_in_coord(s, &os->y, delta);
662
663 if (present & 0x04)
664 in_uint8(s, os->opcode);
665
666 if (present & 0x10)
667 rdp_in_colour(s, &os->fgcolour);
668
669 if (present & 0x20)
670 in_uint8(s, os->lines);
671
672 if (present & 0x40)
673 {
674 in_uint8(s, os->datasize);
675 in_uint8a(s, os->data, os->datasize);
676 }
677
678 DEBUG(("POLYLINE(x=%d,y=%d,op=0x%x,fg=0x%x,n=%d,sz=%d)\n",
679 os->x, os->y, os->opcode, os->fgcolour, os->lines, os->datasize));
680
681 DEBUG(("Data: "));
682
683 for (index = 0; index < os->datasize; index++)
684 DEBUG(("%02x ", os->data[index]));
685
686 DEBUG(("\n"));
687
688 if (os->opcode < 0x01 || os->opcode > 0x10)
689 {
690 error("bad ROP2 0x%x\n", os->opcode);
691 return;
692 }
693
694 opcode = os->opcode - 1;
695 x = os->x;
696 y = os->y;
697 pen.style = pen.width = 0;
698 pen.colour = os->fgcolour;
699
700 index = 0;
701 data = ((os->lines - 1) / 4) + 1;
702 for (line = 0; (line < os->lines) && (data < os->datasize); line++)
703 {
704 xfrom = x;
705 yfrom = y;
706
707 if (line % 4 == 0)
708 flags = os->data[index++];
709
710 if ((flags & 0xc0) == 0)
711 flags |= 0xc0; /* none = both */
712
713 if (flags & 0x40)
714 x += parse_delta(os->data, &data);
715
716 if (flags & 0x80)
717 y += parse_delta(os->data, &data);
718
719 ui_line(opcode, xfrom, yfrom, x, y, &pen);
720
721 flags <<= 2;
722 }
723 }
724
725 /* Process an ellipse order */
726 static void
727 process_ellipse(STREAM s, ELLIPSE_ORDER * os, uint32 present, BOOL delta)
728 {
729 if (present & 0x01)
730 rdp_in_coord(s, &os->left, delta);
731
732 if (present & 0x02)
733 rdp_in_coord(s, &os->top, delta);
734
735 if (present & 0x04)
736 rdp_in_coord(s, &os->right, delta);
737
738 if (present & 0x08)
739 rdp_in_coord(s, &os->bottom, delta);
740
741 if (present & 0x10)
742 in_uint8(s, os->opcode);
743
744 if (present & 0x20)
745 in_uint8(s, os->fillmode);
746
747 if (present & 0x40)
748 rdp_in_colour(s, &os->fgcolour);
749
750 DEBUG(("ELLIPSE(l=%d,t=%d,r=%d,b=%d,op=0x%x,fm=%d,fg=0x%x)\n", os->left, os->top,
751 os->right, os->bottom, os->opcode, os->fillmode, os->fgcolour));
752
753 ui_ellipse(os->opcode - 1, os->fillmode, os->left, os->top, os->right - os->left,
754 os->bottom - os->top, NULL, 0, os->fgcolour);
755 }
756
757 /* Process an ellipse2 order */
758 static void
759 process_ellipse2(STREAM s, ELLIPSE2_ORDER * os, uint32 present, BOOL delta)
760 {
761 if (present & 0x0001)
762 rdp_in_coord(s, &os->left, delta);
763
764 if (present & 0x0002)
765 rdp_in_coord(s, &os->top, delta);
766
767 if (present & 0x0004)
768 rdp_in_coord(s, &os->right, delta);
769
770 if (present & 0x0008)
771 rdp_in_coord(s, &os->bottom, delta);
772
773 if (present & 0x0010)
774 in_uint8(s, os->opcode);
775
776 if (present & 0x0020)
777 in_uint8(s, os->fillmode);
778
779 if (present & 0x0040)
780 rdp_in_colour(s, &os->bgcolour);
781
782 if (present & 0x0080)
783 rdp_in_colour(s, &os->fgcolour);
784
785 rdp_parse_brush(s, &os->brush, present >> 8);
786
787 DEBUG(("ELLIPSE2(l=%d,t=%d,r=%d,b=%d,op=0x%x,fm=%d,bs=%d,bg=0x%x,fg=0x%x)\n",
788 os->left, os->top, os->right, os->bottom, os->opcode, os->fillmode, os->brush.style,
789 os->bgcolour, os->fgcolour));
790
791 ui_ellipse(os->opcode - 1, os->fillmode, os->left, os->top, os->right - os->left,
792 os->bottom - os->top, &os->brush, os->bgcolour, os->fgcolour);
793 }
794
795 /* Process a text order */
796 static void
797 process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta)
798 {
799 int i;
800
801 if (present & 0x000001)
802 in_uint8(s, os->font);
803
804 if (present & 0x000002)
805 in_uint8(s, os->flags);
806
807 if (present & 0x000004)
808 in_uint8(s, os->unknown);
809
810 if (present & 0x000008)
811 in_uint8(s, os->mixmode);
812
813 if (present & 0x000010)
814 rdp_in_colour(s, &os->fgcolour);
815
816 if (present & 0x000020)
817 rdp_in_colour(s, &os->bgcolour);
818
819 if (present & 0x000040)
820 in_uint16_le(s, os->clipleft);
821
822 if (present & 0x000080)
823 in_uint16_le(s, os->cliptop);
824
825 if (present & 0x000100)
826 in_uint16_le(s, os->clipright);
827
828 if (present & 0x000200)
829 in_uint16_le(s, os->clipbottom);
830
831 if (present & 0x000400)
832 in_uint16_le(s, os->boxleft);
833
834 if (present & 0x000800)
835 in_uint16_le(s, os->boxtop);
836
837 if (present & 0x001000)
838 in_uint16_le(s, os->boxright);
839
840 if (present & 0x002000)
841 in_uint16_le(s, os->boxbottom);
842
843 /*
844 * Unknown members, seen when connecting to a session that was disconnected with
845 * mstsc and with wintach's spreadsheet test.
846 */
847 if (present & 0x004000)
848 in_uint8s(s, 1);
849
850 if (present & 0x008000)
851 in_uint8s(s, 1);
852
853 if (present & 0x010000)
854 {
855 in_uint8s(s, 1); /* guessing the length here */
856 warning("Unknown order state member (0x010000) in text2 order.\n");
857 }
858
859 if (present & 0x020000)
860 in_uint8s(s, 4);
861
862 if (present & 0x040000)
863 in_uint8s(s, 4);
864
865 if (present & 0x080000)
866 in_uint16_le(s, os->x);
867
868 if (present & 0x100000)
869 in_uint16_le(s, os->y);
870
871 if (present & 0x200000)
872 {
873 in_uint8(s, os->length);
874 in_uint8a(s, os->text, os->length);
875 }
876
877 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));
878
879 DEBUG(("Text: "));
880
881 for (i = 0; i < os->length; i++)
882 DEBUG(("%02x ", os->text[i]));
883
884 DEBUG(("\n"));
885
886 ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y,
887 os->clipleft, os->cliptop,
888 os->clipright - os->clipleft,
889 os->clipbottom - os->cliptop,
890 os->boxleft, os->boxtop,
891 os->boxright - os->boxleft,
892 os->boxbottom - os->boxtop, os->bgcolour, os->fgcolour, os->text, os->length);
893 }
894
895 /* Process a raw bitmap cache order */
896 static void
897 process_raw_bmpcache(STREAM s)
898 {
899 HBITMAP bitmap;
900 uint16 cache_idx, bufsize;
901 uint8 cache_id, width, height, bpp, Bpp;
902 uint8 *data, *inverted;
903 int y;
904
905 in_uint8(s, cache_id);
906 in_uint8s(s, 1); /* pad */
907 in_uint8(s, width);
908 in_uint8(s, height);
909 in_uint8(s, bpp);
910 Bpp = (bpp + 7) / 8;
911 in_uint16_le(s, bufsize);
912 in_uint16_le(s, cache_idx);
913 in_uint8p(s, data, bufsize);
914
915 DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx));
916 inverted = (uint8 *) xmalloc(width * height * Bpp);
917 for (y = 0; y < height; y++)
918 {
919 memcpy(&inverted[(height - y - 1) * (width * Bpp)], &data[y * (width * Bpp)],
920 width * Bpp);
921 }
922
923 bitmap = ui_create_bitmap(width, height, inverted);
924 xfree(inverted);
925 cache_put_bitmap(cache_id, cache_idx, bitmap);
926 }
927
928 /* Process a bitmap cache order */
929 static void
930 process_bmpcache(STREAM s)
931 {
932 HBITMAP bitmap;
933 uint16 cache_idx, size;
934 uint8 cache_id, width, height, bpp, Bpp;
935 uint8 *data, *bmpdata;
936 uint16 bufsize, pad2, row_size, final_size;
937 uint8 pad1;
938
939 pad2 = row_size = final_size = 0xffff; /* Shut the compiler up */
940
941 in_uint8(s, cache_id);
942 in_uint8(s, pad1); /* pad */
943 in_uint8(s, width);
944 in_uint8(s, height);
945 in_uint8(s, bpp);
946 Bpp = (bpp + 7) / 8;
947 in_uint16_le(s, bufsize); /* bufsize */
948 in_uint16_le(s, cache_idx);
949
950 if (g_use_rdp5)
951 {
952 size = bufsize;
953 }
954 else
955 {
956
957 /* Begin compressedBitmapData */
958 in_uint16_le(s, pad2); /* pad */
959 in_uint16_le(s, size);
960 /* in_uint8s(s, 4); *//* row_size, final_size */
961 in_uint16_le(s, row_size);
962 in_uint16_le(s, final_size);
963
964 }
965 in_uint8p(s, data, size);
966
967 DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d,bpp=%d,size=%d,pad1=%d,bufsize=%d,pad2=%d,rs=%d,fs=%d)\n", width, height, cache_id, cache_idx, bpp, size, pad1, bufsize, pad2, row_size, final_size));
968
969 bmpdata = (uint8 *) xmalloc(width * height * Bpp);
970
971 if (bitmap_decompress(bmpdata, width, height, data, size, Bpp))
972 {
973 bitmap = ui_create_bitmap(width, height, bmpdata);
974 cache_put_bitmap(cache_id, cache_idx, bitmap);
975 }
976 else
977 {
978 DEBUG(("Failed to decompress bitmap data\n"));
979 }
980
981 xfree(bmpdata);
982 }
983
984 /* Process a bitmap cache v2 order */
985 static void
986 process_bmpcache2(STREAM s, uint16 flags, BOOL compressed)
987 {
988 HBITMAP bitmap;
989 int y;
990 uint8 cache_id, cache_idx_low, width, height, Bpp;
991 uint16 cache_idx, bufsize;
992 uint8 *data, *bmpdata, *bitmap_id;
993
994 bitmap_id = NULL; /* prevent compiler warning */
995 cache_id = flags & ID_MASK;
996 Bpp = ((flags & MODE_MASK) >> MODE_SHIFT) - 2;
997
998 if (flags & PERSIST)
999 {
1000 in_uint8p(s, bitmap_id, 8);
1001 }
1002
1003 if (flags & SQUARE)
1004 {
1005 in_uint8(s, width);
1006 height = width;
1007 }
1008 else
1009 {
1010 in_uint8(s, width);
1011 in_uint8(s, height);
1012 }
1013
1014 in_uint16_be(s, bufsize);
1015 bufsize &= BUFSIZE_MASK;
1016 in_uint8(s, cache_idx);
1017
1018 if (cache_idx & LONG_FORMAT)
1019 {
1020 in_uint8(s, cache_idx_low);
1021 cache_idx = ((cache_idx ^ LONG_FORMAT) << 8) + cache_idx_low;
1022 }
1023
1024 in_uint8p(s, data, bufsize);
1025
1026 DEBUG(("BMPCACHE2(compr=%d,flags=%x,cx=%d,cy=%d,id=%d,idx=%d,Bpp=%d,bs=%d)\n",
1027 compressed, flags, width, height, cache_id, cache_idx, Bpp, bufsize));
1028
1029 bmpdata = (uint8 *) xmalloc(width * height * Bpp);
1030
1031 if (compressed)
1032 {
1033 if (!bitmap_decompress(bmpdata, width, height, data, bufsize, Bpp))
1034 {
1035 DEBUG(("Failed to decompress bitmap data\n"));
1036 xfree(bmpdata);
1037 return;
1038 }
1039 }
1040 else
1041 {
1042 for (y = 0; y < height; y++)
1043 memcpy(&bmpdata[(height - y - 1) * (width * Bpp)],
1044 &data[y * (width * Bpp)], width * Bpp);
1045 }
1046
1047 bitmap = ui_create_bitmap(width, height, bmpdata);
1048
1049 if (bitmap)
1050 {
1051 cache_put_bitmap(cache_id, cache_idx, bitmap);
1052 if (flags & PERSIST)
1053 pstcache_save_bitmap(cache_id, cache_idx, bitmap_id, width, height,
1054 width * height * Bpp, bmpdata);
1055 }
1056 else
1057 {
1058 DEBUG(("process_bmpcache2: ui_create_bitmap failed\n"));
1059 }
1060
1061 xfree(bmpdata);
1062 }
1063
1064 /* Process a colourmap cache order */
1065 static void
1066 process_colcache(STREAM s)
1067 {
1068 COLOURENTRY *entry;
1069 COLOURMAP map;
1070 HCOLOURMAP hmap;
1071 uint8 cache_id;
1072 int i;
1073
1074 in_uint8(s, cache_id);
1075 in_uint16_le(s, map.ncolours);
1076
1077 map.colours = (COLOURENTRY *) xmalloc(sizeof(COLOURENTRY) * map.ncolours);
1078
1079 for (i = 0; i < map.ncolours; i++)
1080 {
1081 entry = &map.colours[i];
1082 in_uint8(s, entry->blue);
1083 in_uint8(s, entry->green);
1084 in_uint8(s, entry->red);
1085 in_uint8s(s, 1); /* pad */
1086 }
1087
1088 DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours));
1089
1090 hmap = ui_create_colourmap(&map);
1091 ui_set_colourmap(hmap);
1092
1093 xfree(map.colours);
1094 }
1095
1096 /* Process a font cache order */
1097 static void
1098 process_fontcache(STREAM s)
1099 {
1100 HGLYPH bitmap;
1101 uint8 font, nglyphs;
1102 uint16 character, offset, baseline, width, height;
1103 int i, datasize;
1104 uint8 *data;
1105
1106 in_uint8(s, font);
1107 in_uint8(s, nglyphs);
1108
1109 DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs));
1110
1111 for (i = 0; i < nglyphs; i++)
1112 {
1113 in_uint16_le(s, character);
1114 in_uint16_le(s, offset);
1115 in_uint16_le(s, baseline);
1116 in_uint16_le(s, width);
1117 in_uint16_le(s, height);
1118
1119 datasize = (height * ((width + 7) / 8) + 3) & ~3;
1120 in_uint8p(s, data, datasize);
1121
1122 bitmap = ui_create_glyph(width, height, data);
1123 cache_put_font(font, character, offset, baseline, width, height, bitmap);
1124 }
1125 }
1126
1127 /* Process a secondary order */
1128 static void
1129 process_secondary_order(STREAM s)
1130 {
1131 /* The length isn't calculated correctly by the server.
1132 * For very compact orders the length becomes negative
1133 * so a signed integer must be used. */
1134 uint16 length;
1135 uint16 flags;
1136 uint8 type;
1137 uint8 *next_order;
1138
1139 in_uint16_le(s, length);
1140 in_uint16_le(s, flags); /* used by bmpcache2 */
1141 in_uint8(s, type);
1142
1143 next_order = s->p + (sint16) length + 7;
1144
1145 switch (type)
1146 {
1147 case RDP_ORDER_RAW_BMPCACHE:
1148 process_raw_bmpcache(s);
1149 break;
1150
1151 case RDP_ORDER_COLCACHE:
1152 process_colcache(s);
1153 break;
1154
1155 case RDP_ORDER_BMPCACHE:
1156 process_bmpcache(s);
1157 break;
1158
1159 case RDP_ORDER_FONTCACHE:
1160 process_fontcache(s);
1161 break;
1162
1163 case RDP_ORDER_RAW_BMPCACHE2:
1164 process_bmpcache2(s, flags, False); /* uncompressed */
1165 break;
1166
1167 case RDP_ORDER_BMPCACHE2:
1168 process_bmpcache2(s, flags, True); /* compressed */
1169 break;
1170
1171 default:
1172 unimpl("secondary order %d\n", type);
1173 }
1174
1175 s->p = next_order;
1176 }
1177
1178 /* Process an order PDU */
1179 void
1180 process_orders(STREAM s, uint16 num_orders)
1181 {
1182 RDP_ORDER_STATE *os = &g_order_state;
1183 uint32 present;
1184 uint8 order_flags;
1185 int size, processed = 0;
1186 BOOL delta;
1187
1188 while (processed < num_orders)
1189 {
1190 in_uint8(s, order_flags);
1191
1192 if (!(order_flags & RDP_ORDER_STANDARD))
1193 {
1194 error("order parsing failed\n");
1195 break;
1196 }
1197
1198 if (order_flags & RDP_ORDER_SECONDARY)
1199 {
1200 process_secondary_order(s);
1201 }
1202 else
1203 {
1204 if (order_flags & RDP_ORDER_CHANGE)
1205 {
1206 in_uint8(s, os->order_type);
1207 }
1208
1209 switch (os->order_type)
1210 {
1211 case RDP_ORDER_TRIBLT:
1212 case RDP_ORDER_TEXT2:
1213 size = 3;
1214 break;
1215
1216 case RDP_ORDER_PATBLT:
1217 case RDP_ORDER_MEMBLT:
1218 case RDP_ORDER_LINE:
1219 case RDP_ORDER_POLYGON2:
1220 case RDP_ORDER_ELLIPSE2:
1221 size = 2;
1222 break;
1223
1224 default:
1225 size = 1;
1226 }
1227
1228 rdp_in_present(s, &present, order_flags, size);
1229
1230 if (order_flags & RDP_ORDER_BOUNDS)
1231 {
1232 if (!(order_flags & RDP_ORDER_LASTBOUNDS))
1233 rdp_parse_bounds(s, &os->bounds);
1234
1235 ui_set_clip(os->bounds.left,
1236 os->bounds.top,
1237 os->bounds.right -
1238 os->bounds.left + 1,
1239 os->bounds.bottom - os->bounds.top + 1);
1240 }
1241
1242 delta = order_flags & RDP_ORDER_DELTA;
1243
1244 switch (os->order_type)
1245 {
1246 case RDP_ORDER_DESTBLT:
1247 process_destblt(s, &os->destblt, present, delta);
1248 break;
1249
1250 case RDP_ORDER_PATBLT:
1251 process_patblt(s, &os->patblt, present, delta);
1252 break;
1253
1254 case RDP_ORDER_SCREENBLT:
1255 process_screenblt(s, &os->screenblt, present, delta);
1256 break;
1257
1258 case RDP_ORDER_LINE:
1259 process_line(s, &os->line, present, delta);
1260 break;
1261
1262 case RDP_ORDER_RECT:
1263 process_rect(s, &os->rect, present, delta);
1264 break;
1265
1266 case RDP_ORDER_DESKSAVE:
1267 process_desksave(s, &os->desksave, present, delta);
1268 break;
1269
1270 case RDP_ORDER_MEMBLT:
1271 process_memblt(s, &os->memblt, present, delta);
1272 break;
1273
1274 case RDP_ORDER_TRIBLT:
1275 process_triblt(s, &os->triblt, present, delta);
1276 break;
1277
1278 case RDP_ORDER_POLYGON:
1279 process_polygon(s, &os->polygon, present, delta);
1280 break;
1281
1282 case RDP_ORDER_POLYGON2:
1283 process_polygon2(s, &os->polygon2, present, delta);
1284 break;
1285
1286 case RDP_ORDER_POLYLINE:
1287 process_polyline(s, &os->polyline, present, delta);
1288 break;
1289
1290 case RDP_ORDER_ELLIPSE:
1291 process_ellipse(s, &os->ellipse, present, delta);
1292 break;
1293
1294 case RDP_ORDER_ELLIPSE2:
1295 process_ellipse2(s, &os->ellipse2, present, delta);
1296 break;
1297
1298 case RDP_ORDER_TEXT2:
1299 process_text2(s, &os->text2, present, delta);
1300 break;
1301
1302 default:
1303 unimpl("order %d\n", os->order_type);
1304 return;
1305 }
1306
1307 if (order_flags & RDP_ORDER_BOUNDS)
1308 ui_reset_clip();
1309 }
1310
1311 processed++;
1312 }
1313 #if 0
1314 /* not true when RDP_COMPRESSION is set */
1315 if (s->p != g_next_packet)
1316 error("%d bytes remaining\n", (int) (g_next_packet - s->p));
1317 #endif
1318
1319 }
1320
1321 /* Reset order state */
1322 void
1323 reset_order_state(void)
1324 {
1325 memset(&g_order_state, 0, sizeof(g_order_state));
1326 g_order_state.order_type = RDP_ORDER_PATBLT;
1327 }

  ViewVC Help
Powered by ViewVC 1.1.26