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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXCOMPEXT, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE which comes in the source */
+/* distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+#ifndef Mask_H
+#define Mask_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "Xlib.h"
+
+extern int MaskImage(const ColorMask *mask, XImage *src_image, XImage *dst_image);
+
+extern int MaskInPlaceImage(const ColorMask *mask, XImage *image);
+
+extern int PackImage(unsigned int method, unsigned int src_data_size, XImage *src_image,
+ unsigned int dst_data_size, XImage *dst_image);
+
+int FindLSB(int word);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* Mask_H */