75717d8ab6
git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@24 423420c4-83ab-492f-b58f-81f9feb106b5
952 lines
19 KiB
C
952 lines
19 KiB
C
/*
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rdesktop: A Remote Desktop Protocol client.
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RDP order processing
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Copyright (C) Matthew Chapman 1999-2000
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "rdesktop.h"
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#include "orders.h"
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extern unsigned char *next_packet;
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static RDP_ORDER_STATE order_state;
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/* Read field indicating which parameters are present */
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static void
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rdp_in_present(STREAM s, uint32 *present, uint8 flags, int size)
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{
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uint8 bits;
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int i;
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if (flags & RDP_ORDER_SMALL)
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{
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size--;
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}
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if (flags & RDP_ORDER_TINY)
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{
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if (size < 2)
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size = 0;
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else
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size -= 2;
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}
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*present = 0;
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for (i = 0; i < size; i++)
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{
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in_uint8(s, bits);
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*present |= bits << (i * 8);
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}
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}
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/* Read a co-ordinate (16-bit, or 8-bit delta) */
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static void
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rdp_in_coord(STREAM s, uint16 *coord, BOOL delta)
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{
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uint8 change;
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if (delta)
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{
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in_uint8(s, change);
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*coord += (char) change;
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}
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else
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{
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in_uint16_le(s, *coord);
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}
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}
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/* Read a colour entry */
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static void
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rdp_in_colour(STREAM s, uint8 *colour)
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{
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in_uint8(s, *colour);
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s->p += 2;
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}
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/* Parse bounds information */
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static BOOL
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rdp_parse_bounds(STREAM s, BOUNDS *bounds)
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{
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uint8 present;
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in_uint8(s, present);
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if (present & 1)
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rdp_in_coord(s, &bounds->left, False);
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else if (present & 16)
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rdp_in_coord(s, &bounds->left, True);
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if (present & 2)
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rdp_in_coord(s, &bounds->top, False);
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else if (present & 32)
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rdp_in_coord(s, &bounds->top, True);
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if (present & 4)
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rdp_in_coord(s, &bounds->right, False);
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else if (present & 64)
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rdp_in_coord(s, &bounds->right, True);
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if (present & 8)
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rdp_in_coord(s, &bounds->bottom, False);
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else if (present & 128)
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rdp_in_coord(s, &bounds->bottom, True);
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return s_check(s);
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}
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/* Parse a pen */
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static BOOL
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rdp_parse_pen(STREAM s, PEN *pen, uint32 present)
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{
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if (present & 1)
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in_uint8(s, pen->style);
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if (present & 2)
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in_uint8(s, pen->width);
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if (present & 4)
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rdp_in_colour(s, &pen->colour);
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return s_check(s);
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}
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/* Parse a brush */
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static BOOL
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rdp_parse_brush(STREAM s, BRUSH *brush, uint32 present)
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{
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if (present & 1)
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in_uint8(s, brush->xorigin);
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if (present & 2)
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in_uint8(s, brush->yorigin);
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if (present & 4)
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in_uint8(s, brush->style);
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if (present & 8)
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in_uint8(s, brush->pattern[0]);
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if (present & 16)
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in_uint8a(s, &brush->pattern[1], 7);
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return s_check(s);
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}
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/* Process a destination blt order */
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static void
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process_destblt(STREAM s, DESTBLT_ORDER *os, uint32 present, BOOL delta)
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{
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if (present & 0x01)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x02)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x04)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x08)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x10)
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in_uint8(s, os->opcode);
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DEBUG("DESTBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d)\n",
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os->opcode, os->x, os->y, os->cx, os->cy);
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ui_destblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy);
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}
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/* Process a pattern blt order */
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static void
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process_patblt(STREAM s, PATBLT_ORDER *os, uint32 present, BOOL delta)
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{
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if (present & 0x0001)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x0002)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x0004)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x0008)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x0010)
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in_uint8(s, os->opcode);
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if (present & 0x0020)
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rdp_in_colour(s, &os->bgcolour);
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if (present & 0x0040)
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rdp_in_colour(s, &os->fgcolour);
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rdp_parse_brush(s, &os->brush, present >> 7);
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DEBUG("PATBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,bs=%d,bg=0x%x,fg=0x%x)\n",
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os->opcode, os->x, os->y, os->cx, os->cy,
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os->brush.style, os->bgcolour, os->fgcolour);
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ui_patblt(ROP2_P(os->opcode), os->x, os->y, os->cx, os->cy,
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&os->brush, os->bgcolour, os->fgcolour);
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}
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/* Process a screen blt order */
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static void
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process_screenblt(STREAM s, SCREENBLT_ORDER *os, uint32 present, BOOL delta)
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{
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if (present & 0x0001)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x0002)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x0004)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x0008)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x0010)
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in_uint8(s, os->opcode);
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if (present & 0x0020)
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rdp_in_coord(s, &os->srcx, delta);
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if (present & 0x0040)
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rdp_in_coord(s, &os->srcy, delta);
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DEBUG("SCREENBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,srcx=%d,srcy=%d)\n",
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os->opcode, os->x, os->y, os->cx, os->cy, os->srcx, os->srcy);
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ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy,
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os->srcx, os->srcy);
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}
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/* Process a line order */
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static void
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process_line(STREAM s, LINE_ORDER *os, uint32 present, BOOL delta)
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{
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if (present & 0x0001)
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in_uint16_le(s, os->mixmode);
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if (present & 0x0002)
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rdp_in_coord(s, &os->startx, delta);
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if (present & 0x0004)
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rdp_in_coord(s, &os->starty, delta);
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if (present & 0x0008)
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rdp_in_coord(s, &os->endx, delta);
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if (present & 0x0010)
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rdp_in_coord(s, &os->endy, delta);
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if (present & 0x0020)
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rdp_in_colour(s, &os->bgcolour);
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if (present & 0x0040)
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in_uint8(s, os->opcode);
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rdp_parse_pen(s, &os->pen, present >> 7);
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DEBUG("LINE(op=0x%x,sx=%d,sy=%d,dx=%d,dx=%d,fg=0x%x)\n",
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os->opcode, os->startx, os->starty, os->endx, os->endy,
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os->pen.colour);
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if (os->opcode < 0x01 || os->opcode > 0x10)
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{
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ERROR("bad ROP2 0x%x\n", os->opcode);
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return;
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}
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ui_line(os->opcode - 1, os->startx, os->starty,
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os->endx, os->endy, &os->pen);
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}
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/* Process an opaque rectangle order */
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static void
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process_rect(STREAM s, RECT_ORDER *os, uint32 present, BOOL delta)
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{
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if (present & 0x01)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x02)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x04)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x08)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x10)
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in_uint8(s, os->colour);
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DEBUG("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n",
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os->x, os->y, os->cx, os->cy, os->colour);
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ui_rect(os->x, os->y, os->cx, os->cy, os->colour);
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}
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/* Process a desktop save order */
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static void
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process_desksave(STREAM s, DESKSAVE_ORDER *os, uint32 present, BOOL delta)
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{
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int width, height;
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if (present & 0x01)
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in_uint32_le(s, os->offset);
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if (present & 0x02)
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rdp_in_coord(s, &os->left, delta);
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if (present & 0x04)
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rdp_in_coord(s, &os->top, delta);
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if (present & 0x08)
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rdp_in_coord(s, &os->right, delta);
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if (present & 0x10)
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rdp_in_coord(s, &os->bottom, delta);
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if (present & 0x20)
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in_uint8(s, os->action);
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DEBUG("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n",
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os->left, os->top, os->right, os->bottom, os->offset,
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os->action);
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width = os->right - os->left + 1;
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height = os->bottom - os->top + 1;
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if (os->action == 0)
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ui_desktop_save(os->offset, os->left, os->top, width, height);
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else
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ui_desktop_restore(os->offset, os->left, os->top, width,
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height);
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}
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/* Process a memory blt order */
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static void
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process_memblt(STREAM s, MEMBLT_ORDER *os, uint32 present, BOOL delta)
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{
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HBITMAP bitmap;
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if (present & 0x0001)
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{
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in_uint8(s, os->cache_id);
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in_uint8(s, os->colour_table);
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}
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if (present & 0x0002)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x0004)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x0008)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x0010)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x0020)
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in_uint8(s, os->opcode);
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if (present & 0x0040)
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rdp_in_coord(s, &os->srcx, delta);
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if (present & 0x0080)
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rdp_in_coord(s, &os->srcy, delta);
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if (present & 0x0100)
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in_uint16_le(s, os->cache_idx);
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DEBUG("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n",
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os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id,
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os->cache_idx);
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bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
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if (bitmap == NULL)
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return;
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ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy,
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bitmap, os->srcx, os->srcy);
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}
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/* Process a 3-way blt order */
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static void
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process_triblt(STREAM s, TRIBLT_ORDER *os, uint32 present, BOOL delta)
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{
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HBITMAP bitmap;
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if (present & 0x000001)
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{
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in_uint8(s, os->cache_id);
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in_uint8(s, os->colour_table);
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}
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if (present & 0x000002)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x000004)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x000008)
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rdp_in_coord(s, &os->cx, delta);
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if (present & 0x000010)
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rdp_in_coord(s, &os->cy, delta);
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if (present & 0x000020)
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in_uint8(s, os->opcode);
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if (present & 0x000040)
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rdp_in_coord(s, &os->srcx, delta);
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if (present & 0x000080)
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rdp_in_coord(s, &os->srcy, delta);
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if (present & 0x000100)
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rdp_in_colour(s, &os->bgcolour);
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if (present & 0x000200)
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rdp_in_colour(s, &os->fgcolour);
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rdp_parse_brush(s, &os->brush, present >> 10);
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if (present & 0x008000)
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in_uint16_le(s, os->cache_idx);
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if (present & 0x010000)
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in_uint16_le(s, os->unknown);
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DEBUG
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("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",
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os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id,
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os->cache_idx, os->brush.style, os->bgcolour, os->fgcolour);
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bitmap = cache_get_bitmap(os->cache_id, os->cache_idx);
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if (bitmap == NULL)
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return;
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ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy,
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bitmap, os->srcx, os->srcy,
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&os->brush, os->bgcolour, os->fgcolour);
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}
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/* Parse a delta co-ordinate in polyline order form */
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static int
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parse_delta(uint8 *buffer, int *offset)
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{
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int value = buffer[(*offset)++];
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int two_byte = value & 0x80;
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if (value & 0x40) /* sign bit */
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value |= ~0x3f;
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else
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value &= 0x3f;
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if (two_byte)
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value = (value << 8) | buffer[(*offset)++];
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return value;
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}
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/* Process a polyline order */
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static void
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process_polyline(STREAM s, POLYLINE_ORDER *os, uint32 present, BOOL delta)
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{
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int index, line, data;
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int x, y, xfrom, yfrom;
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uint8 flags = 0;
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PEN pen;
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if (present & 0x01)
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rdp_in_coord(s, &os->x, delta);
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if (present & 0x02)
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rdp_in_coord(s, &os->y, delta);
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if (present & 0x04)
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in_uint8(s, os->flags);
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if (present & 0x10)
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rdp_in_colour(s, &os->fgcolour);
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if (present & 0x20)
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in_uint8(s, os->lines);
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if (present & 0x40)
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{
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in_uint8(s, os->datasize);
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in_uint8a(s, os->data, os->datasize);
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}
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DEBUG("POLYLINE(x=%d,y=%d,fl=0x%x,fg=0x%x,n=%d,sz=%d)\n",
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os->x, os->y, os->flags, os->fgcolour, os->lines, os->datasize);
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DEBUG("Data: ");
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for (index = 0; index < os->datasize; index++)
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DEBUG("%02x ", os->data[index]);
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DEBUG("\n");
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x = os->x;
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y = os->y;
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pen.style = pen.width = 0;
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pen.colour = os->fgcolour;
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index = 0;
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data = ((os->lines - 1) / 4) + 1;
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for (line = 0; (line < os->lines) && (data < os->datasize); line++)
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{
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xfrom = x;
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yfrom = y;
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if (line % 4 == 0)
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flags = os->data[index++];
|
|
|
|
if ((flags & 0xc0) == 0)
|
|
flags |= 0xc0; /* none = both */
|
|
|
|
if (flags & 0x40)
|
|
x += parse_delta(os->data, &data);
|
|
|
|
if (flags & 0x80)
|
|
y += parse_delta(os->data, &data);
|
|
|
|
ui_line(ROP2_COPY, xfrom, yfrom, x, y, &pen);
|
|
|
|
flags <<= 2;
|
|
}
|
|
}
|
|
|
|
/* Process a text order */
|
|
static void
|
|
process_text2(STREAM s, TEXT2_ORDER *os, uint32 present, BOOL delta)
|
|
{
|
|
DATABLOB *entry;
|
|
int i;
|
|
|
|
if (present & 0x000001)
|
|
in_uint8(s, os->font);
|
|
|
|
if (present & 0x000002)
|
|
in_uint8(s, os->flags);
|
|
|
|
if (present & 0x000004)
|
|
in_uint8(s, os->unknown);
|
|
|
|
if (present & 0x000008)
|
|
in_uint8(s, os->mixmode);
|
|
|
|
if (present & 0x000010)
|
|
rdp_in_colour(s, &os->fgcolour);
|
|
|
|
if (present & 0x000020)
|
|
rdp_in_colour(s, &os->bgcolour);
|
|
|
|
if (present & 0x000040)
|
|
in_uint16_le(s, os->clipleft);
|
|
|
|
if (present & 0x000080)
|
|
in_uint16_le(s, os->cliptop);
|
|
|
|
if (present & 0x000100)
|
|
in_uint16_le(s, os->clipright);
|
|
|
|
if (present & 0x000200)
|
|
in_uint16_le(s, os->clipbottom);
|
|
|
|
if (present & 0x000400)
|
|
in_uint16_le(s, os->boxleft);
|
|
|
|
if (present & 0x000800)
|
|
in_uint16_le(s, os->boxtop);
|
|
|
|
if (present & 0x001000)
|
|
in_uint16_le(s, os->boxright);
|
|
|
|
if (present & 0x002000)
|
|
in_uint16_le(s, os->boxbottom);
|
|
|
|
if (present & 0x080000)
|
|
in_uint16_le(s, os->x);
|
|
|
|
if (present & 0x100000)
|
|
in_uint16_le(s, os->y);
|
|
|
|
if (present & 0x200000)
|
|
{
|
|
in_uint8(s, os->length);
|
|
in_uint8a(s, os->text, os->length);
|
|
}
|
|
|
|
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);
|
|
|
|
DEBUG("Text: ");
|
|
|
|
for (i = 0; i < os->length; i++)
|
|
DEBUG("%02x ", os->text[i]);
|
|
|
|
DEBUG("\n");
|
|
|
|
/* Process special cache strings */
|
|
if ((os->length >= 2) && (os->text[0] == 0xfe))
|
|
{
|
|
entry = cache_get_text(os->text[1]);
|
|
|
|
if (entry == NULL)
|
|
return;
|
|
|
|
memcpy(os->text, entry->data, entry->size);
|
|
os->length = entry->size;
|
|
}
|
|
else if ((os->length >= 3) && (os->text[os->length - 3] == 0xff))
|
|
{
|
|
os->length -= 3;
|
|
cache_put_text(os->text[os->length + 1], os->text,
|
|
os->length);
|
|
}
|
|
|
|
ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y,
|
|
os->clipleft, os->cliptop,
|
|
os->clipright - os->clipleft,
|
|
os->clipbottom - os->cliptop,
|
|
os->boxleft, os->boxtop,
|
|
os->boxright - os->boxleft,
|
|
os->boxbottom - os->boxtop,
|
|
os->bgcolour, os->fgcolour, os->text, os->length);
|
|
}
|
|
|
|
/* Process a raw bitmap cache order */
|
|
static void
|
|
process_raw_bmpcache(STREAM s)
|
|
{
|
|
HBITMAP bitmap;
|
|
uint16 cache_idx, bufsize;
|
|
uint8 cache_id, width, height, bpp;
|
|
uint8 *data;
|
|
|
|
in_uint8(s, cache_id);
|
|
in_uint8s(s, 1); /* pad */
|
|
in_uint8(s, width);
|
|
in_uint8(s, height);
|
|
in_uint8(s, bpp);
|
|
in_uint16_le(s, bufsize);
|
|
in_uint16_le(s, cache_idx);
|
|
in_uint8p(s, data, bufsize);
|
|
|
|
DEBUG("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n",
|
|
width, height, cache_id, cache_idx);
|
|
|
|
bitmap = ui_create_bitmap(width, height, data);
|
|
cache_put_bitmap(cache_id, cache_idx, bitmap);
|
|
}
|
|
|
|
/* Process a bitmap cache order */
|
|
static void
|
|
process_bmpcache(STREAM s)
|
|
{
|
|
HBITMAP bitmap;
|
|
uint16 cache_idx, size;
|
|
uint8 cache_id, width, height, bpp;
|
|
uint8 *data, *bmpdata;
|
|
|
|
in_uint8(s, cache_id);
|
|
in_uint8s(s, 1); /* pad */
|
|
in_uint8(s, width);
|
|
in_uint8(s, height);
|
|
in_uint8(s, bpp);
|
|
in_uint8s(s, 2); /* bufsize */
|
|
in_uint16_le(s, cache_idx);
|
|
in_uint8s(s, 2); /* pad */
|
|
in_uint16_le(s, size);
|
|
in_uint8s(s, 4); /* row_size, final_size */
|
|
in_uint8p(s, data, size);
|
|
|
|
DEBUG("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n",
|
|
width, height, cache_id, cache_idx);
|
|
|
|
bmpdata = xmalloc(width * height);
|
|
|
|
if (bitmap_decompress(bmpdata, width, height, data, size))
|
|
{
|
|
bitmap = ui_create_bitmap(width, height, bmpdata);
|
|
cache_put_bitmap(cache_id, cache_idx, bitmap);
|
|
}
|
|
|
|
xfree(bmpdata);
|
|
}
|
|
|
|
/* Process a colourmap cache order */
|
|
static void
|
|
process_colcache(STREAM s)
|
|
{
|
|
COLOURENTRY *entry;
|
|
COLOURMAP map;
|
|
HCOLOURMAP hmap;
|
|
uint8 cache_id;
|
|
int i;
|
|
|
|
in_uint8(s, cache_id);
|
|
in_uint16_le(s, map.ncolours);
|
|
|
|
map.colours = xmalloc(3 * map.ncolours);
|
|
|
|
for (i = 0; i < map.ncolours; i++)
|
|
{
|
|
entry = &map.colours[i];
|
|
in_uint8(s, entry->blue);
|
|
in_uint8(s, entry->green);
|
|
in_uint8(s, entry->red);
|
|
in_uint8s(s, 1); /* pad */
|
|
}
|
|
|
|
DEBUG("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours);
|
|
|
|
hmap = ui_create_colourmap(&map);
|
|
ui_set_colourmap(hmap);
|
|
|
|
xfree(map.colours);
|
|
}
|
|
|
|
/* Process a font cache order */
|
|
static void
|
|
process_fontcache(STREAM s)
|
|
{
|
|
HGLYPH bitmap;
|
|
uint8 font, nglyphs;
|
|
uint16 character, offset, baseline, width, height;
|
|
int i, datasize;
|
|
uint8 *data;
|
|
|
|
in_uint8(s, font);
|
|
in_uint8(s, nglyphs);
|
|
|
|
DEBUG("FONTCACHE(font=%d,n=%d)\n", font, nglyphs);
|
|
|
|
for (i = 0; i < nglyphs; i++)
|
|
{
|
|
in_uint16_le(s, character);
|
|
in_uint16_le(s, offset);
|
|
in_uint16_le(s, baseline);
|
|
in_uint16_le(s, width);
|
|
in_uint16_le(s, height);
|
|
|
|
datasize = (height * ((width + 7) / 8) + 3) & ~3;
|
|
in_uint8p(s, data, datasize);
|
|
|
|
bitmap = ui_create_glyph(width, height, data);
|
|
cache_put_font(font, character, offset, baseline,
|
|
width, height, bitmap);
|
|
}
|
|
}
|
|
|
|
/* Process a secondary order */
|
|
static void
|
|
process_secondary_order(STREAM s)
|
|
{
|
|
uint16 length;
|
|
uint8 type;
|
|
uint8 *next_order;
|
|
|
|
in_uint16_le(s, length);
|
|
in_uint8s(s, 2); /* flags */
|
|
in_uint8(s, type);
|
|
|
|
next_order = s->p + length + 7;
|
|
|
|
switch (type)
|
|
{
|
|
case RDP_ORDER_RAW_BMPCACHE:
|
|
process_raw_bmpcache(s);
|
|
break;
|
|
|
|
case RDP_ORDER_COLCACHE:
|
|
process_colcache(s);
|
|
break;
|
|
|
|
case RDP_ORDER_BMPCACHE:
|
|
process_bmpcache(s);
|
|
break;
|
|
|
|
case RDP_ORDER_FONTCACHE:
|
|
process_fontcache(s);
|
|
break;
|
|
|
|
default:
|
|
NOTIMP("secondary order %d\n", type);
|
|
}
|
|
|
|
s->p = next_order;
|
|
}
|
|
|
|
/* Process an order PDU */
|
|
void
|
|
process_orders(STREAM s)
|
|
{
|
|
RDP_ORDER_STATE *os = &order_state;
|
|
uint32 present;
|
|
uint16 num_orders;
|
|
uint8 order_flags;
|
|
int size, processed = 0;
|
|
BOOL delta;
|
|
|
|
in_uint8s(s, 2); /* pad */
|
|
in_uint16_le(s, num_orders);
|
|
in_uint8s(s, 2); /* pad */
|
|
|
|
while (processed < num_orders)
|
|
{
|
|
in_uint8(s, order_flags);
|
|
|
|
if (!(order_flags & RDP_ORDER_STANDARD))
|
|
{
|
|
ERROR("order parsing failed\n");
|
|
break;
|
|
}
|
|
|
|
if (order_flags & RDP_ORDER_SECONDARY)
|
|
{
|
|
process_secondary_order(s);
|
|
}
|
|
else
|
|
{
|
|
if (order_flags & RDP_ORDER_CHANGE)
|
|
{
|
|
in_uint8(s, os->order_type);
|
|
}
|
|
|
|
switch (os->order_type)
|
|
{
|
|
case RDP_ORDER_TRIBLT:
|
|
case RDP_ORDER_TEXT2:
|
|
size = 3;
|
|
break;
|
|
|
|
case RDP_ORDER_PATBLT:
|
|
case RDP_ORDER_MEMBLT:
|
|
case RDP_ORDER_LINE:
|
|
size = 2;
|
|
break;
|
|
|
|
default:
|
|
size = 1;
|
|
}
|
|
|
|
rdp_in_present(s, &present, order_flags, size);
|
|
|
|
if (order_flags & RDP_ORDER_BOUNDS)
|
|
{
|
|
if (!(order_flags & RDP_ORDER_LASTBOUNDS))
|
|
rdp_parse_bounds(s, &os->bounds);
|
|
|
|
ui_set_clip(os->bounds.left,
|
|
os->bounds.top,
|
|
os->bounds.right -
|
|
os->bounds.left + 1,
|
|
os->bounds.bottom -
|
|
os->bounds.top + 1);
|
|
}
|
|
|
|
delta = order_flags & RDP_ORDER_DELTA;
|
|
|
|
switch (os->order_type)
|
|
{
|
|
case RDP_ORDER_DESTBLT:
|
|
process_destblt(s, &os->destblt,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_PATBLT:
|
|
process_patblt(s, &os->patblt,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_SCREENBLT:
|
|
process_screenblt(s, &os->screenblt,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_LINE:
|
|
process_line(s, &os->line,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_RECT:
|
|
process_rect(s, &os->rect,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_DESKSAVE:
|
|
process_desksave(s, &os->desksave,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_MEMBLT:
|
|
process_memblt(s, &os->memblt,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_TRIBLT:
|
|
process_triblt(s, &os->triblt,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_POLYLINE:
|
|
process_polyline(s, &os->polyline,
|
|
present, delta);
|
|
break;
|
|
|
|
case RDP_ORDER_TEXT2:
|
|
process_text2(s, &os->text2,
|
|
present, delta);
|
|
break;
|
|
|
|
default:
|
|
NOTIMP("order %d\n", os->order_type);
|
|
return;
|
|
}
|
|
|
|
if (order_flags & RDP_ORDER_BOUNDS)
|
|
ui_reset_clip();
|
|
}
|
|
|
|
processed++;
|
|
}
|
|
|
|
if (s->p != next_packet)
|
|
WARN("%d bytes remaining\n", (int) (next_packet - s->p));
|
|
}
|
|
|
|
/* Reset order state */
|
|
void
|
|
reset_order_state()
|
|
{
|
|
memset(&order_state, 0, sizeof(order_state));
|
|
}
|