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/* |
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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, 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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|
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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); |
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|
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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)); |
235 |
|
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ui_screenblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, os->srcx, os->srcy); |
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} |
238 |
|
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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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|
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if (present & 0x0002) |
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rdp_in_coord(s, &os->startx, delta); |
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|
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if (present & 0x0004) |
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rdp_in_coord(s, &os->starty, delta); |
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|
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if (present & 0x0008) |
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rdp_in_coord(s, &os->endx, delta); |
254 |
|
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if (present & 0x0010) |
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rdp_in_coord(s, &os->endy, delta); |
257 |
|
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if (present & 0x0020) |
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rdp_in_colour(s, &os->bgcolour); |
260 |
|
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if (present & 0x0040) |
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in_uint8(s, os->opcode); |
263 |
|
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rdp_parse_pen(s, &os->pen, present >> 7); |
265 |
|
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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)); |
268 |
|
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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); |
272 |
return; |
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} |
274 |
|
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ui_line(os->opcode - 1, os->startx, os->starty, os->endx, os->endy, &os->pen); |
276 |
} |
277 |
|
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/* Process an opaque rectangle order */ |
279 |
static void |
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process_rect(STREAM s, RECT_ORDER * os, uint32 present, BOOL delta) |
281 |
{ |
282 |
if (present & 0x01) |
283 |
rdp_in_coord(s, &os->x, delta); |
284 |
|
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if (present & 0x02) |
286 |
rdp_in_coord(s, &os->y, delta); |
287 |
|
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if (present & 0x04) |
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rdp_in_coord(s, &os->cx, delta); |
290 |
|
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if (present & 0x08) |
292 |
rdp_in_coord(s, &os->cy, delta); |
293 |
|
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if (present & 0x10) |
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in_uint8(s, os->colour); |
296 |
|
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DEBUG(("RECT(x=%d,y=%d,cx=%d,cy=%d,fg=0x%x)\n", os->x, os->y, os->cx, os->cy, os->colour)); |
298 |
|
299 |
ui_rect(os->x, os->y, os->cx, os->cy, os->colour); |
300 |
} |
301 |
|
302 |
/* Process a desktop save order */ |
303 |
static void |
304 |
process_desksave(STREAM s, DESKSAVE_ORDER * os, uint32 present, BOOL delta) |
305 |
{ |
306 |
int width, height; |
307 |
|
308 |
if (present & 0x01) |
309 |
in_uint32_le(s, os->offset); |
310 |
|
311 |
if (present & 0x02) |
312 |
rdp_in_coord(s, &os->left, delta); |
313 |
|
314 |
if (present & 0x04) |
315 |
rdp_in_coord(s, &os->top, delta); |
316 |
|
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if (present & 0x08) |
318 |
rdp_in_coord(s, &os->right, delta); |
319 |
|
320 |
if (present & 0x10) |
321 |
rdp_in_coord(s, &os->bottom, delta); |
322 |
|
323 |
if (present & 0x20) |
324 |
in_uint8(s, os->action); |
325 |
|
326 |
DEBUG(("DESKSAVE(l=%d,t=%d,r=%d,b=%d,off=%d,op=%d)\n", |
327 |
os->left, os->top, os->right, os->bottom, os->offset, os->action)); |
328 |
|
329 |
width = os->right - os->left + 1; |
330 |
height = os->bottom - os->top + 1; |
331 |
|
332 |
if (os->action == 0) |
333 |
ui_desktop_save(os->offset, os->left, os->top, width, height); |
334 |
else |
335 |
ui_desktop_restore(os->offset, os->left, os->top, width, height); |
336 |
} |
337 |
|
338 |
/* Process a memory blt order */ |
339 |
static void |
340 |
process_memblt(STREAM s, MEMBLT_ORDER * os, uint32 present, BOOL delta) |
341 |
{ |
342 |
HBITMAP bitmap; |
343 |
|
344 |
if (present & 0x0001) |
345 |
{ |
346 |
in_uint8(s, os->cache_id); |
347 |
in_uint8(s, os->colour_table); |
348 |
} |
349 |
|
350 |
if (present & 0x0002) |
351 |
rdp_in_coord(s, &os->x, delta); |
352 |
|
353 |
if (present & 0x0004) |
354 |
rdp_in_coord(s, &os->y, delta); |
355 |
|
356 |
if (present & 0x0008) |
357 |
rdp_in_coord(s, &os->cx, delta); |
358 |
|
359 |
if (present & 0x0010) |
360 |
rdp_in_coord(s, &os->cy, delta); |
361 |
|
362 |
if (present & 0x0020) |
363 |
in_uint8(s, os->opcode); |
364 |
|
365 |
if (present & 0x0040) |
366 |
rdp_in_coord(s, &os->srcx, delta); |
367 |
|
368 |
if (present & 0x0080) |
369 |
rdp_in_coord(s, &os->srcy, delta); |
370 |
|
371 |
if (present & 0x0100) |
372 |
in_uint16_le(s, os->cache_idx); |
373 |
|
374 |
DEBUG(("MEMBLT(op=0x%x,x=%d,y=%d,cx=%d,cy=%d,id=%d,idx=%d)\n", |
375 |
os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx)); |
376 |
|
377 |
bitmap = cache_get_bitmap(os->cache_id, os->cache_idx); |
378 |
if (bitmap == NULL) |
379 |
return; |
380 |
|
381 |
ui_memblt(ROP2_S(os->opcode), os->x, os->y, os->cx, os->cy, bitmap, os->srcx, os->srcy); |
382 |
} |
383 |
|
384 |
/* Process a 3-way blt order */ |
385 |
static void |
386 |
process_triblt(STREAM s, TRIBLT_ORDER * os, uint32 present, BOOL delta) |
387 |
{ |
388 |
HBITMAP bitmap; |
389 |
|
390 |
if (present & 0x000001) |
391 |
{ |
392 |
in_uint8(s, os->cache_id); |
393 |
in_uint8(s, os->colour_table); |
394 |
} |
395 |
|
396 |
if (present & 0x000002) |
397 |
rdp_in_coord(s, &os->x, delta); |
398 |
|
399 |
if (present & 0x000004) |
400 |
rdp_in_coord(s, &os->y, delta); |
401 |
|
402 |
if (present & 0x000008) |
403 |
rdp_in_coord(s, &os->cx, delta); |
404 |
|
405 |
if (present & 0x000010) |
406 |
rdp_in_coord(s, &os->cy, delta); |
407 |
|
408 |
if (present & 0x000020) |
409 |
in_uint8(s, os->opcode); |
410 |
|
411 |
if (present & 0x000040) |
412 |
rdp_in_coord(s, &os->srcx, delta); |
413 |
|
414 |
if (present & 0x000080) |
415 |
rdp_in_coord(s, &os->srcy, delta); |
416 |
|
417 |
if (present & 0x000100) |
418 |
rdp_in_colour(s, &os->bgcolour); |
419 |
|
420 |
if (present & 0x000200) |
421 |
rdp_in_colour(s, &os->fgcolour); |
422 |
|
423 |
rdp_parse_brush(s, &os->brush, present >> 10); |
424 |
|
425 |
if (present & 0x008000) |
426 |
in_uint16_le(s, os->cache_idx); |
427 |
|
428 |
if (present & 0x010000) |
429 |
in_uint16_le(s, os->unknown); |
430 |
|
431 |
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", |
432 |
os->opcode, os->x, os->y, os->cx, os->cy, os->cache_id, os->cache_idx, |
433 |
os->brush.style, os->bgcolour, os->fgcolour)); |
434 |
|
435 |
bitmap = cache_get_bitmap(os->cache_id, os->cache_idx); |
436 |
if (bitmap == NULL) |
437 |
return; |
438 |
|
439 |
ui_triblt(os->opcode, os->x, os->y, os->cx, os->cy, |
440 |
bitmap, os->srcx, os->srcy, &os->brush, os->bgcolour, os->fgcolour); |
441 |
} |
442 |
|
443 |
/* Parse a delta co-ordinate in polyline order form */ |
444 |
static int |
445 |
parse_delta(uint8 * buffer, int *offset) |
446 |
{ |
447 |
int value = buffer[(*offset)++]; |
448 |
int two_byte = value & 0x80; |
449 |
|
450 |
if (value & 0x40) /* sign bit */ |
451 |
value |= ~0x3f; |
452 |
else |
453 |
value &= 0x3f; |
454 |
|
455 |
if (two_byte) |
456 |
value = (value << 8) | buffer[(*offset)++]; |
457 |
|
458 |
return value; |
459 |
} |
460 |
|
461 |
/* Process a polyline order */ |
462 |
static void |
463 |
process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta) |
464 |
{ |
465 |
int index, line, data; |
466 |
int x, y, xfrom, yfrom; |
467 |
uint8 flags = 0; |
468 |
PEN pen; |
469 |
uint8 opcode; |
470 |
|
471 |
if (present & 0x01) |
472 |
rdp_in_coord(s, &os->x, delta); |
473 |
|
474 |
if (present & 0x02) |
475 |
rdp_in_coord(s, &os->y, delta); |
476 |
|
477 |
if (present & 0x04) |
478 |
in_uint8(s, os->opcode); |
479 |
|
480 |
if (present & 0x10) |
481 |
rdp_in_colour(s, &os->fgcolour); |
482 |
|
483 |
if (present & 0x20) |
484 |
in_uint8(s, os->lines); |
485 |
|
486 |
if (present & 0x40) |
487 |
{ |
488 |
in_uint8(s, os->datasize); |
489 |
in_uint8a(s, os->data, os->datasize); |
490 |
} |
491 |
|
492 |
DEBUG(("POLYLINE(x=%d,y=%d,op=0x%x,fg=0x%x,n=%d,sz=%d)\n", |
493 |
os->x, os->y, os->opcode, os->fgcolour, os->lines, os->datasize)); |
494 |
|
495 |
DEBUG(("Data: ")); |
496 |
|
497 |
for (index = 0; index < os->datasize; index++) |
498 |
DEBUG(("%02x ", os->data[index])); |
499 |
|
500 |
DEBUG(("\n")); |
501 |
|
502 |
if (os->opcode < 0x01 || os->opcode > 0x10) |
503 |
{ |
504 |
error("bad ROP2 0x%x\n", os->opcode); |
505 |
return; |
506 |
} |
507 |
|
508 |
opcode = os->opcode - 1; |
509 |
x = os->x; |
510 |
y = os->y; |
511 |
pen.style = pen.width = 0; |
512 |
pen.colour = os->fgcolour; |
513 |
|
514 |
index = 0; |
515 |
data = ((os->lines - 1) / 4) + 1; |
516 |
for (line = 0; (line < os->lines) && (data < os->datasize); line++) |
517 |
{ |
518 |
xfrom = x; |
519 |
yfrom = y; |
520 |
|
521 |
if (line % 4 == 0) |
522 |
flags = os->data[index++]; |
523 |
|
524 |
if ((flags & 0xc0) == 0) |
525 |
flags |= 0xc0; /* none = both */ |
526 |
|
527 |
if (flags & 0x40) |
528 |
x += parse_delta(os->data, &data); |
529 |
|
530 |
if (flags & 0x80) |
531 |
y += parse_delta(os->data, &data); |
532 |
|
533 |
ui_line(opcode, xfrom, yfrom, x, y, &pen); |
534 |
|
535 |
flags <<= 2; |
536 |
} |
537 |
} |
538 |
|
539 |
/* Process a text order */ |
540 |
static void |
541 |
process_text2(STREAM s, TEXT2_ORDER * os, uint32 present, BOOL delta) |
542 |
{ |
543 |
int i; |
544 |
|
545 |
if (present & 0x000001) |
546 |
in_uint8(s, os->font); |
547 |
|
548 |
if (present & 0x000002) |
549 |
in_uint8(s, os->flags); |
550 |
|
551 |
if (present & 0x000004) |
552 |
in_uint8(s, os->unknown); |
553 |
|
554 |
if (present & 0x000008) |
555 |
in_uint8(s, os->mixmode); |
556 |
|
557 |
if (present & 0x000010) |
558 |
rdp_in_colour(s, &os->fgcolour); |
559 |
|
560 |
if (present & 0x000020) |
561 |
rdp_in_colour(s, &os->bgcolour); |
562 |
|
563 |
if (present & 0x000040) |
564 |
in_uint16_le(s, os->clipleft); |
565 |
|
566 |
if (present & 0x000080) |
567 |
in_uint16_le(s, os->cliptop); |
568 |
|
569 |
if (present & 0x000100) |
570 |
in_uint16_le(s, os->clipright); |
571 |
|
572 |
if (present & 0x000200) |
573 |
in_uint16_le(s, os->clipbottom); |
574 |
|
575 |
if (present & 0x000400) |
576 |
in_uint16_le(s, os->boxleft); |
577 |
|
578 |
if (present & 0x000800) |
579 |
in_uint16_le(s, os->boxtop); |
580 |
|
581 |
if (present & 0x001000) |
582 |
in_uint16_le(s, os->boxright); |
583 |
|
584 |
if (present & 0x002000) |
585 |
in_uint16_le(s, os->boxbottom); |
586 |
|
587 |
if (present & 0x080000) |
588 |
in_uint16_le(s, os->x); |
589 |
|
590 |
if (present & 0x100000) |
591 |
in_uint16_le(s, os->y); |
592 |
|
593 |
if (present & 0x200000) |
594 |
{ |
595 |
in_uint8(s, os->length); |
596 |
in_uint8a(s, os->text, os->length); |
597 |
} |
598 |
|
599 |
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)); |
600 |
|
601 |
DEBUG(("Text: ")); |
602 |
|
603 |
for (i = 0; i < os->length; i++) |
604 |
DEBUG(("%02x ", os->text[i])); |
605 |
|
606 |
DEBUG(("\n")); |
607 |
|
608 |
ui_draw_text(os->font, os->flags, os->mixmode, os->x, os->y, |
609 |
os->clipleft, os->cliptop, |
610 |
os->clipright - os->clipleft, |
611 |
os->clipbottom - os->cliptop, |
612 |
os->boxleft, os->boxtop, |
613 |
os->boxright - os->boxleft, |
614 |
os->boxbottom - os->boxtop, os->bgcolour, os->fgcolour, os->text, os->length); |
615 |
} |
616 |
|
617 |
/* Process a raw bitmap cache order */ |
618 |
static void |
619 |
process_raw_bmpcache(STREAM s) |
620 |
{ |
621 |
HBITMAP bitmap; |
622 |
uint16 cache_idx, bufsize; |
623 |
uint8 cache_id, width, height, bpp; |
624 |
uint8 *data, *inverted; |
625 |
int y; |
626 |
|
627 |
in_uint8(s, cache_id); |
628 |
in_uint8s(s, 1); /* pad */ |
629 |
in_uint8(s, width); |
630 |
in_uint8(s, height); |
631 |
in_uint8(s, bpp); |
632 |
in_uint16_le(s, bufsize); |
633 |
in_uint16_le(s, cache_idx); |
634 |
in_uint8p(s, data, bufsize); |
635 |
|
636 |
DEBUG(("RAW_BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx)); |
637 |
inverted = xmalloc(width * height); |
638 |
for (y = 0; y < height; y++) |
639 |
{ |
640 |
memcpy(&inverted[(height - y - 1) * width], &data[y * width], width); |
641 |
} |
642 |
|
643 |
bitmap = ui_create_bitmap(width, height, inverted); |
644 |
xfree(inverted); |
645 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
646 |
} |
647 |
|
648 |
/* Process a bitmap cache order */ |
649 |
static void |
650 |
process_bmpcache(STREAM s) |
651 |
{ |
652 |
HBITMAP bitmap; |
653 |
uint16 cache_idx, size; |
654 |
uint8 cache_id, width, height, bpp; |
655 |
uint8 *data, *bmpdata; |
656 |
|
657 |
in_uint8(s, cache_id); |
658 |
in_uint8s(s, 1); /* pad */ |
659 |
in_uint8(s, width); |
660 |
in_uint8(s, height); |
661 |
in_uint8(s, bpp); |
662 |
in_uint8s(s, 2); /* bufsize */ |
663 |
in_uint16_le(s, cache_idx); |
664 |
in_uint8s(s, 2); /* pad */ |
665 |
in_uint16_le(s, size); |
666 |
in_uint8s(s, 4); /* row_size, final_size */ |
667 |
in_uint8p(s, data, size); |
668 |
|
669 |
DEBUG(("BMPCACHE(cx=%d,cy=%d,id=%d,idx=%d)\n", width, height, cache_id, cache_idx)); |
670 |
|
671 |
bmpdata = xmalloc(width * height); |
672 |
|
673 |
if (bitmap_decompress(bmpdata, width, height, data, size)) |
674 |
{ |
675 |
bitmap = ui_create_bitmap(width, height, bmpdata); |
676 |
cache_put_bitmap(cache_id, cache_idx, bitmap); |
677 |
} |
678 |
|
679 |
xfree(bmpdata); |
680 |
} |
681 |
|
682 |
/* Process a colourmap cache order */ |
683 |
static void |
684 |
process_colcache(STREAM s) |
685 |
{ |
686 |
COLOURENTRY *entry; |
687 |
COLOURMAP map; |
688 |
HCOLOURMAP hmap; |
689 |
uint8 cache_id; |
690 |
int i; |
691 |
|
692 |
in_uint8(s, cache_id); |
693 |
in_uint16_le(s, map.ncolours); |
694 |
|
695 |
map.colours = xmalloc(3 * map.ncolours); |
696 |
|
697 |
for (i = 0; i < map.ncolours; i++) |
698 |
{ |
699 |
entry = &map.colours[i]; |
700 |
in_uint8(s, entry->blue); |
701 |
in_uint8(s, entry->green); |
702 |
in_uint8(s, entry->red); |
703 |
in_uint8s(s, 1); /* pad */ |
704 |
} |
705 |
|
706 |
DEBUG(("COLCACHE(id=%d,n=%d)\n", cache_id, map.ncolours)); |
707 |
|
708 |
hmap = ui_create_colourmap(&map); |
709 |
ui_set_colourmap(hmap); |
710 |
|
711 |
xfree(map.colours); |
712 |
} |
713 |
|
714 |
/* Process a font cache order */ |
715 |
static void |
716 |
process_fontcache(STREAM s) |
717 |
{ |
718 |
HGLYPH bitmap; |
719 |
uint8 font, nglyphs; |
720 |
uint16 character, offset, baseline, width, height; |
721 |
int i, datasize; |
722 |
uint8 *data; |
723 |
|
724 |
in_uint8(s, font); |
725 |
in_uint8(s, nglyphs); |
726 |
|
727 |
DEBUG(("FONTCACHE(font=%d,n=%d)\n", font, nglyphs)); |
728 |
|
729 |
for (i = 0; i < nglyphs; i++) |
730 |
{ |
731 |
in_uint16_le(s, character); |
732 |
in_uint16_le(s, offset); |
733 |
in_uint16_le(s, baseline); |
734 |
in_uint16_le(s, width); |
735 |
in_uint16_le(s, height); |
736 |
|
737 |
datasize = (height * ((width + 7) / 8) + 3) & ~3; |
738 |
in_uint8p(s, data, datasize); |
739 |
|
740 |
bitmap = ui_create_glyph(width, height, data); |
741 |
cache_put_font(font, character, offset, baseline, width, height, bitmap); |
742 |
} |
743 |
} |
744 |
|
745 |
/* Process a secondary order */ |
746 |
static void |
747 |
process_secondary_order(STREAM s) |
748 |
{ |
749 |
uint16 length; |
750 |
uint8 type; |
751 |
uint8 *next_order; |
752 |
|
753 |
in_uint16_le(s, length); |
754 |
in_uint8s(s, 2); /* flags */ |
755 |
in_uint8(s, type); |
756 |
|
757 |
next_order = s->p + length + 7; |
758 |
|
759 |
switch (type) |
760 |
{ |
761 |
case RDP_ORDER_RAW_BMPCACHE: |
762 |
process_raw_bmpcache(s); |
763 |
break; |
764 |
|
765 |
case RDP_ORDER_COLCACHE: |
766 |
process_colcache(s); |
767 |
break; |
768 |
|
769 |
case RDP_ORDER_BMPCACHE: |
770 |
process_bmpcache(s); |
771 |
break; |
772 |
|
773 |
case RDP_ORDER_FONTCACHE: |
774 |
process_fontcache(s); |
775 |
break; |
776 |
|
777 |
default: |
778 |
unimpl("secondary order %d\n", type); |
779 |
} |
780 |
|
781 |
s->p = next_order; |
782 |
} |
783 |
|
784 |
/* Process an order PDU */ |
785 |
void |
786 |
process_orders(STREAM s) |
787 |
{ |
788 |
RDP_ORDER_STATE *os = &order_state; |
789 |
uint32 present; |
790 |
uint16 num_orders; |
791 |
uint8 order_flags; |
792 |
int size, processed = 0; |
793 |
BOOL delta; |
794 |
|
795 |
in_uint8s(s, 2); /* pad */ |
796 |
in_uint16_le(s, num_orders); |
797 |
in_uint8s(s, 2); /* pad */ |
798 |
|
799 |
while (processed < num_orders) |
800 |
{ |
801 |
in_uint8(s, order_flags); |
802 |
|
803 |
if (!(order_flags & RDP_ORDER_STANDARD)) |
804 |
{ |
805 |
error("order parsing failed\n"); |
806 |
break; |
807 |
} |
808 |
|
809 |
if (order_flags & RDP_ORDER_SECONDARY) |
810 |
{ |
811 |
process_secondary_order(s); |
812 |
} |
813 |
else |
814 |
{ |
815 |
if (order_flags & RDP_ORDER_CHANGE) |
816 |
{ |
817 |
in_uint8(s, os->order_type); |
818 |
} |
819 |
|
820 |
switch (os->order_type) |
821 |
{ |
822 |
case RDP_ORDER_TRIBLT: |
823 |
case RDP_ORDER_TEXT2: |
824 |
size = 3; |
825 |
break; |
826 |
|
827 |
case RDP_ORDER_PATBLT: |
828 |
case RDP_ORDER_MEMBLT: |
829 |
case RDP_ORDER_LINE: |
830 |
size = 2; |
831 |
break; |
832 |
|
833 |
default: |
834 |
size = 1; |
835 |
} |
836 |
|
837 |
rdp_in_present(s, &present, order_flags, size); |
838 |
|
839 |
if (order_flags & RDP_ORDER_BOUNDS) |
840 |
{ |
841 |
if (!(order_flags & RDP_ORDER_LASTBOUNDS)) |
842 |
rdp_parse_bounds(s, &os->bounds); |
843 |
|
844 |
ui_set_clip(os->bounds.left, |
845 |
os->bounds.top, |
846 |
os->bounds.right - |
847 |
os->bounds.left + 1, |
848 |
os->bounds.bottom - os->bounds.top + 1); |
849 |
} |
850 |
|
851 |
delta = order_flags & RDP_ORDER_DELTA; |
852 |
|
853 |
switch (os->order_type) |
854 |
{ |
855 |
case RDP_ORDER_DESTBLT: |
856 |
process_destblt(s, &os->destblt, present, delta); |
857 |
break; |
858 |
|
859 |
case RDP_ORDER_PATBLT: |
860 |
process_patblt(s, &os->patblt, present, delta); |
861 |
break; |
862 |
|
863 |
case RDP_ORDER_SCREENBLT: |
864 |
process_screenblt(s, &os->screenblt, present, delta); |
865 |
break; |
866 |
|
867 |
case RDP_ORDER_LINE: |
868 |
process_line(s, &os->line, present, delta); |
869 |
break; |
870 |
|
871 |
case RDP_ORDER_RECT: |
872 |
process_rect(s, &os->rect, present, delta); |
873 |
break; |
874 |
|
875 |
case RDP_ORDER_DESKSAVE: |
876 |
process_desksave(s, &os->desksave, present, delta); |
877 |
break; |
878 |
|
879 |
case RDP_ORDER_MEMBLT: |
880 |
process_memblt(s, &os->memblt, present, delta); |
881 |
break; |
882 |
|
883 |
case RDP_ORDER_TRIBLT: |
884 |
process_triblt(s, &os->triblt, present, delta); |
885 |
break; |
886 |
|
887 |
case RDP_ORDER_POLYLINE: |
888 |
process_polyline(s, &os->polyline, present, delta); |
889 |
break; |
890 |
|
891 |
case RDP_ORDER_TEXT2: |
892 |
process_text2(s, &os->text2, present, delta); |
893 |
break; |
894 |
|
895 |
default: |
896 |
unimpl("order %d\n", os->order_type); |
897 |
return; |
898 |
} |
899 |
|
900 |
if (order_flags & RDP_ORDER_BOUNDS) |
901 |
ui_reset_clip(); |
902 |
} |
903 |
|
904 |
processed++; |
905 |
} |
906 |
|
907 |
if (s->p != next_packet) |
908 |
error("%d bytes remaining\n", (int) (next_packet - s->p)); |
909 |
} |
910 |
|
911 |
/* Reset order state */ |
912 |
void |
913 |
reset_order_state(void) |
914 |
{ |
915 |
memset(&order_state, 0, sizeof(order_state)); |
916 |
order_state.order_type = RDP_ORDER_PATBLT; |
917 |
} |