1 files changed, 70 insertions, 0 deletions
diff --git a/libvncclient/corre.c b/libvncclient/corre.c
new file mode 100644
index 0000000..d6d3d0d
--- /dev/null
+++ b/libvncclient/corre.c
@@ -0,0 +1,70 @@
+/*
+ *  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.
+ */
+
+/*
+ * corre.c - handle CoRRE 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 a CoRRE
+ * encoded rectangle with BPP bits per pixel.
+ */
+
+#define HandleCoRREBPP CONCAT2E(HandleCoRRE,BPP)
+#define CARDBPP CONCAT3E(uint,BPP,_t)
+
+static Bool
+HandleCoRREBPP (rfbClient* client, int rx, int ry, int rw, int rh)
+{
+    rfbRREHeader hdr;
+    int i;
+    CARDBPP pix;
+    uint8_t *ptr;
+    int x, y, w, h;
+
+    if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader))
+	return FALSE;
+
+    hdr.nSubrects = Swap32IfLE(hdr.nSubrects);
+
+    if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
+	return FALSE;
+
+    FillRectangle(client, rx, ry, rw, rh, pix);
+
+    if (!ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8))))
+	return FALSE;
+
+    ptr = (uint8_t *)client->buffer;
+
+    for (i = 0; i < hdr.nSubrects; i++) {
+	pix = *(CARDBPP *)ptr;
+	ptr += BPP/8;
+	x = *ptr++;
+	y = *ptr++;
+	w = *ptr++;
+	h = *ptr++;
+
+	FillRectangle(client, rx+x, ry+y, w, h, pix);
+    }
+
+    return TRUE;
+}
+
+#undef CARDBPP