1 |
/* |
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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 1999-2002 |
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|
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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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|
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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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|
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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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|
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#include "rdesktop.h" |
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#include "orders.h" |
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|
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extern uint8 *next_packet; |
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static RDP_ORDER_STATE order_state; |
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|
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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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|
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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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|
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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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|
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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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|
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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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sint8 change; |
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|
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if (delta) |
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{ |
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in_uint8(s, change); |
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*coord += 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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|
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/* Read a colour entry */ |
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static void |
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rdp_in_colour(STREAM s, uint32 * colour) |
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{ |
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uint32 i; |
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in_uint8(s, i); |
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*colour = i; |
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in_uint8(s, i); |
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*colour |= i << 8; |
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in_uint8(s, i); |
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*colour |= i << 16; |
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} |
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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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|
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in_uint8(s, present); |
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|
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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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|
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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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|
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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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|
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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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|
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return s_check(s); |
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} |
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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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|
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if (present & 2) |
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in_uint8(s, pen->width); |
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|
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if (present & 4) |
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rdp_in_colour(s, &pen->colour); |
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|
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return s_check(s); |
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} |
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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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|
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if (present & 2) |
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in_uint8(s, brush->yorigin); |
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|
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if (present & 4) |
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in_uint8(s, brush->style); |
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|
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if (present & 8) |
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in_uint8(s, brush->pattern[0]); |
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|
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if (present & 16) |
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in_uint8a(s, &brush->pattern[1], 7); |
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|
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return s_check(s); |
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} |
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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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|
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if (present & 0x02) |
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rdp_in_coord(s, &os->y, delta); |
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|
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if (present & 0x04) |
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rdp_in_coord(s, &os->cx, delta); |
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|
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if (present & 0x08) |
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rdp_in_coord(s, &os->cy, delta); |
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|
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if (present & 0x10) |
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in_uint8(s, os->opcode); |
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|
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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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|
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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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|
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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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|
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if (present & 0x0002) |
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rdp_in_coord(s, &os->y, delta); |
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|
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if (present & 0x0004) |
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rdp_in_coord(s, &os->cx, delta); |
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|
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if (present & 0x0008) |
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rdp_in_coord(s, &os->cy, delta); |
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|
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if (present & 0x0010) |
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in_uint8(s, os->opcode); |
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|
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if (present & 0x0020) |
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rdp_in_colour(s, &os->bgcolour); |
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|
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if (present & 0x0040) |
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rdp_in_colour(s, &os->fgcolour); |
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|
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rdp_parse_brush(s, &os->brush, present >> 7); |
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|
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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", os->opcode, os->x, |
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os->y, os->cx, os->cy, os->brush.style, os->bgcolour, os->fgcolour)); |
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|
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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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|
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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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|
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if (present & 0x0002) |
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rdp_in_coord(s, &os->y, delta); |
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|
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if (present & 0x0004) |
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rdp_in_coord(s, &os->cx, delta); |
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|
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if (present & 0x0008) |
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rdp_in_coord(s, &os->cy, delta); |
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|
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if (present & 0x0010) |
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in_uint8(s, os->opcode); |
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|
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if (present & 0x0020) |
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rdp_in_coord(s, &os->srcx, delta); |
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|
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if (present & 0x0040) |
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rdp_in_coord(s, &os->srcy, delta); |
237 |
|
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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)); |
240 |
|
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ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, os->srcx, os->srcy); |
242 |
} |
243 |
|
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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) |
247 |
{ |
248 |
if (present & 0x0001) |
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in_uint16_le(s, os->mixmode); |
250 |
|
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if (present & 0x0002) |
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rdp_in_coord(s, &os->startx, delta); |
253 |
|
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if (present & 0x0004) |
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rdp_in_coord(s, &os->starty, delta); |
256 |
|
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if (present & 0x0008) |
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rdp_in_coord(s, &os->endx, delta); |
259 |
|
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if (present & 0x0010) |
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rdp_in_coord(s, &os->endy, delta); |
262 |
|
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if (present & 0x0020) |
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rdp_in_colour(s, &os->bgcolour); |
265 |
|
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if (present & 0x0040) |
267 |
in_uint8(s, os->opcode); |
268 |
|
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rdp_parse_pen(s, &os->pen, present >> 7); |
270 |
|
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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, os->pen.colour)); |
273 |
|
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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 |
else |
707 |
{ |
708 |
DEBUG(("Failed to decompress bitmap data\n")); |
709 |
} |
710 |
|
711 |
xfree(bmpdata); |
712 |
} |
713 |
|
714 |
/* Process a colourmap cache order */ |
715 |
static void |
716 |
process_colcache(STREAM s) |
717 |
{ |
718 |
COLOURENTRY *entry; |
719 |
COLOURMAP map; |
720 |
HCOLOURMAP hmap; |
721 |
uint8 cache_id; |
722 |
int i; |
723 |
|
724 |
in_uint8(s, cache_id); |
725 |
in_uint16_le(s, map.ncolours); |
726 |
|
727 |
map.colours = xmalloc(3 * map.ncolours); |
728 |
|
729 |
for (i = 0; i < map.ncolours; i++) |
730 |
{ |
731 |
entry = &map.colours[i]; |
732 |
in_uint8(s, entry->blue); |
733 |
in_uint8(s, entry->green); |
734 |
in_uint8(s, entry->red); |
735 |
in_uint8s(s, 1); /* pad */ |
736 |
} |
737 |
|
738 |
DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours)); |
739 |
|
740 |
hmap = ui_create_colourmap(&map); |
741 |
ui_set_colourmap(hmap); |
742 |
|
743 |
xfree(map.colours); |
744 |
} |
745 |
|
746 |
/* Process a font cache order */ |
747 |
static void |
748 |
process_fontcache(STREAM s) |
749 |
{ |
750 |
HGLYPH bitmap; |
751 |
uint8 font, nglyphs; |
752 |
uint16 character, offset, baseline, width, height; |
753 |
int i, datasize; |
754 |
uint8 *data; |
755 |
|
756 |
in_uint8(s, font); |
757 |
in_uint8(s, nglyphs); |
758 |
|
759 |
DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs)); |
760 |
|
761 |
for (i = 0; i < nglyphs; i++) |
762 |
{ |
763 |
in_uint16_le(s, character); |
764 |
in_uint16_le(s, offset); |
765 |
in_uint16_le(s, baseline); |
766 |
in_uint16_le(s, width); |
767 |
in_uint16_le(s, height); |
768 |
|
769 |
datasize = (height * ((width + 7) / 8) + 3) & ~3; |
770 |
in_uint8p(s, data, datasize); |
771 |
|
772 |
bitmap = ui_create_glyph(width, height, data); |
773 |
cache_put_font(font, character, offset, baseline, width, height, bitmap); |
774 |
} |
775 |
} |
776 |
|
777 |
/* Process a secondary order */ |
778 |
static void |
779 |
process_secondary_order(STREAM s) |
780 |
{ |
781 |
uint16 length; |
782 |
uint8 type; |
783 |
uint8 *next_order; |
784 |
|
785 |
in_uint16_le(s, length); |
786 |
in_uint8s(s, 2); /* flags */ |
787 |
in_uint8(s, type); |
788 |
|
789 |
next_order = s->p + length + 7; |
790 |
|
791 |
switch (type) |
792 |
{ |
793 |
case RDP_ORDER_RAW_BMPCACHE: |
794 |
process_raw_bmpcache(s); |
795 |
break; |
796 |
|
797 |
case RDP_ORDER_COLCACHE: |
798 |
process_colcache(s); |
799 |
break; |
800 |
|
801 |
case RDP_ORDER_BMPCACHE: |
802 |
process_bmpcache(s); |
803 |
break; |
804 |
|
805 |
case RDP_ORDER_FONTCACHE: |
806 |
process_fontcache(s); |
807 |
break; |
808 |
|
809 |
default: |
810 |
unimpl("secondary order %d\n", type); |
811 |
} |
812 |
|
813 |
s->p = next_order; |
814 |
} |
815 |
|
816 |
/* Process an order PDU */ |
817 |
void |
818 |
process_orders(STREAM s, uint16 num_orders) |
819 |
{ |
820 |
RDP_ORDER_STATE *os = &order_state; |
821 |
uint32 present; |
822 |
uint8 order_flags; |
823 |
int size, processed = 0; |
824 |
BOOL delta; |
825 |
|
826 |
while (processed < num_orders) |
827 |
{ |
828 |
in_uint8(s, order_flags); |
829 |
|
830 |
if (!(order_flags & RDP_ORDER_STANDARD)) |
831 |
{ |
832 |
error("order parsing failed\n"); |
833 |
break; |
834 |
} |
835 |
|
836 |
if (order_flags & RDP_ORDER_SECONDARY) |
837 |
{ |
838 |
process_secondary_order(s); |
839 |
} |
840 |
else |
841 |
{ |
842 |
if (order_flags & RDP_ORDER_CHANGE) |
843 |
{ |
844 |
in_uint8(s, os->order_type); |
845 |
} |
846 |
|
847 |
switch (os->order_type) |
848 |
{ |
849 |
case RDP_ORDER_TRIBLT: |
850 |
case RDP_ORDER_TEXT2: |
851 |
size = 3; |
852 |
break; |
853 |
|
854 |
case RDP_ORDER_PATBLT: |
855 |
case RDP_ORDER_MEMBLT: |
856 |
case RDP_ORDER_LINE: |
857 |
size = 2; |
858 |
break; |
859 |
|
860 |
default: |
861 |
size = 1; |
862 |
} |
863 |
|
864 |
rdp_in_present(s, &present, order_flags, size); |
865 |
|
866 |
if (order_flags & RDP_ORDER_BOUNDS) |
867 |
{ |
868 |
if (!(order_flags & RDP_ORDER_LASTBOUNDS)) |
869 |
rdp_parse_bounds(s, &os->bounds); |
870 |
|
871 |
ui_set_clip(os->bounds.left, |
872 |
os->bounds.top, |
873 |
os->bounds.right - |
874 |
os->bounds.left + 1, |
875 |
os->bounds.bottom - os->bounds.top + 1); |
876 |
} |
877 |
|
878 |
delta = order_flags & RDP_ORDER_DELTA; |
879 |
|
880 |
switch (os->order_type) |
881 |
{ |
882 |
case RDP_ORDER_DESTBLT: |
883 |
process_destblt(s, &os->destblt, present, delta); |
884 |
break; |
885 |
|
886 |
case RDP_ORDER_PATBLT: |
887 |
process_patblt(s, &os->patblt, present, delta); |
888 |
break; |
889 |
|
890 |
case RDP_ORDER_SCREENBLT: |
891 |
process_screenblt(s, &os->screenblt, present, delta); |
892 |
break; |
893 |
|
894 |
case RDP_ORDER_LINE: |
895 |
process_line(s, &os->line, present, delta); |
896 |
break; |
897 |
|
898 |
case RDP_ORDER_RECT: |
899 |
process_rect(s, &os->rect, present, delta); |
900 |
break; |
901 |
|
902 |
case RDP_ORDER_DESKSAVE: |
903 |
process_desksave(s, &os->desksave, present, delta); |
904 |
break; |
905 |
|
906 |
case RDP_ORDER_MEMBLT: |
907 |
process_memblt(s, &os->memblt, present, delta); |
908 |
break; |
909 |
|
910 |
case RDP_ORDER_TRIBLT: |
911 |
process_triblt(s, &os->triblt, present, delta); |
912 |
break; |
913 |
|
914 |
case RDP_ORDER_POLYLINE: |
915 |
process_polyline(s, &os->polyline, present, delta); |
916 |
break; |
917 |
|
918 |
case RDP_ORDER_TEXT2: |
919 |
process_text2(s, &os->text2, present, delta); |
920 |
break; |
921 |
|
922 |
default: |
923 |
unimpl("order %d\n", os->order_type); |
924 |
return; |
925 |
} |
926 |
|
927 |
if (order_flags & RDP_ORDER_BOUNDS) |
928 |
ui_reset_clip(); |
929 |
} |
930 |
|
931 |
processed++; |
932 |
} |
933 |
|
934 |
if (s->p != next_packet) |
935 |
error("%d bytes remaining\n", (int) (next_packet - s->p)); |
936 |
} |
937 |
|
938 |
/* Reset order state */ |
939 |
void |
940 |
reset_order_state(void) |
941 |
{ |
942 |
memset(&order_state, 0, sizeof(order_state)); |
943 |
order_state.order_type = RDP_ORDER_PATBLT; |
944 |
} |