add libvncserver

[presencevnc] / libvnc / libvncclient / rre.c

diff --git a/libvnc/libvncclient/rre.c b/libvnc/libvncclient/rre.c
new file mode 100644 (file)
index 0000000..94158c9
--- /dev/null
+++ b/libvnc/libvncclient/rre.c
@@ -0,0 +1,68 @@
+/*
+ *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
+ *
+ *  This is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This software is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this software; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ *  USA.
+ */
+
+/*
+ * rre.c - handle RRE encoding.
+ *
+ * This file shouldn't be compiled directly.  It is included multiple times by
+ * rfbproto.c, each time with a different definition of the macro BPP.  For
+ * each value of BPP, this file defines a function which handles an RRE
+ * encoded rectangle with BPP bits per pixel.
+ */
+
+#define HandleRREBPP CONCAT2E(HandleRRE,BPP)
+#define CARDBPP CONCAT3E(uint,BPP,_t)
+
+static rfbBool
+HandleRREBPP (rfbClient* client, int rx, int ry, int rw, int rh)
+{
+  rfbRREHeader hdr;
+  int i;
+  CARDBPP pix;
+  rfbRectangle subrect;
+
+  if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader))
+    return FALSE;
+
+  hdr.nSubrects = rfbClientSwap32IfLE(hdr.nSubrects);
+
+  if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
+    return FALSE;
+
+  FillRectangle(client, rx, ry, rw, rh, pix);
+
+  for (i = 0; i < hdr.nSubrects; i++) {
+    if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
+      return FALSE;
+
+    if (!ReadFromRFBServer(client, (char *)&subrect, sz_rfbRectangle))
+      return FALSE;
+
+    subrect.x = rfbClientSwap16IfLE(subrect.x);
+    subrect.y = rfbClientSwap16IfLE(subrect.y);
+    subrect.w = rfbClientSwap16IfLE(subrect.w);
+    subrect.h = rfbClientSwap16IfLE(subrect.h);
+
+    FillRectangle(client, rx+subrect.x, ry+subrect.y, subrect.w, subrect.h, pix);
+  }
+
+  return TRUE;
+}
+
+#undef CARDBPP