/[rdesktop]/sourceforge.net/trunk/rdesktop/orders.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 843 by jdmeijer, Thu Mar 10 22:40:20 2005 UTC revision 844 by jdmeijer, Thu Mar 10 22:48:15 2005 UTC
# Line 648  process_polygon2(STREAM s, POLYGON2_ORDE Line 648  process_polygon2(STREAM s, POLYGON2_ORDE
648  static void  static void
649  process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta)  process_polyline(STREAM s, POLYLINE_ORDER * os, uint32 present, BOOL delta)
650  {  {
651          int index, line, data;          int index, next, data;
         int x, y, xfrom, yfrom;  
652          uint8 flags = 0;          uint8 flags = 0;
653          PEN pen;          PEN pen;
654          uint8 opcode;          POINT *points;
655    
656          if (present & 0x01)          if (present & 0x01)
657                  rdp_in_coord(s, &os->x, delta);                  rdp_in_coord(s, &os->x, delta);
# Line 691  process_polyline(STREAM s, POLYLINE_ORDE Line 690  process_polyline(STREAM s, POLYLINE_ORDE
690                  return;                  return;
691          }          }
692    
693          opcode = os->opcode - 1;          points = (POINT *) xmalloc((os->lines + 1) * sizeof(POINT));
694          x = os->x;          memset(points, 0, (os->lines + 1) * sizeof(POINT));
695          y = os->y;  
696          pen.style = pen.width = 0;          points[0].x = os->x;
697          pen.colour = os->fgcolour;          points[0].y = os->y;
698    
699          index = 0;          index = 0;
700          data = ((os->lines - 1) / 4) + 1;          data = ((os->lines - 1) / 4) + 1;
701          for (line = 0; (line < os->lines) && (data < os->datasize); line++)          for (next = 1; (next < os->lines) && (data < os->datasize); next++)
702          {          {
703                  xfrom = x;                  if ((next - 1) % 4 == 0)
                 yfrom = y;  
   
                 if (line % 4 == 0)  
704                          flags = os->data[index++];                          flags = os->data[index++];
705    
706                  if ((flags & 0xc0) == 0)                  if (~flags & 0x80)
707                          flags |= 0xc0;  /* none = both */                          points[next].x = parse_delta(os->data, &data);
   
                 if (flags & 0x40)  
                         x += parse_delta(os->data, &data);  
708    
709                  if (flags & 0x80)                  if (~flags & 0x40)
710                          y += parse_delta(os->data, &data);                          points[next].y = parse_delta(os->data, &data);
   
                 ui_line(opcode, xfrom, yfrom, x, y, &pen);  
711    
712                  flags <<= 2;                  flags <<= 2;
713          }          }
714    
715            if (next - 1 == os->lines)
716                    ui_polyline(os->opcode - 1, points, os->lines + 1, &pen);
717            else
718                    error("polyline parse error\n");
719  }  }
720    
721  /* Process an ellipse order */  /* Process an ellipse order */
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