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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of Medialogic S.p.A. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#ifndef __Visual_H__
+#define __Visual_H__
+
+Visual *nxagentVisual(VisualPtr pVisual);
+Visual *nxagentVisualFromID(ScreenPtr pScreen, VisualID visual);
+Visual *nxagentVisualFromDepth(ScreenPtr pScreen, int depth);
+
+Colormap nxagentDefaultVisualColormap(Visual *visual);
+
+#define nxagentDefaultVisual(pScreen) \
+ nxagentVisualFromID((pScreen), (pScreen) -> rootVisual)
+
+/*
+ * Visual generated by Xorg and Xfree86 at
+ * 16-bit depth differs on the bits_per_rgb
+ * value, so we avoid checking it.
+ */
+
+/*
+ * Some Solaris X servers uses the color
+ * masks inverted, so that the red and
+ * the blue mask are switched. To reconnect
+ * the session on this displays, we do a
+ * double check, as workaround.
+ */
+
+#define nxagentCompareVisuals(v1, v2) \
+ ((v1).depth == (v2).depth && \
+ /*(v1).bits_per_rgb == (v2).bits_per_rgb &&*/ \
+ (v1).class == (v2).class && \
+ ((v1).red_mask == (v2).red_mask || \
+ (v1).red_mask == (v2).blue_mask) && \
+ (v1).green_mask == (v2).green_mask && \
+ ((v1).blue_mask == (v2).blue_mask || \
+ (v1).blue_mask == (v2).red_mask) && \
+ (v1).colormap_size == (v2).colormap_size)
+
+Visual nxagentAlphaVisual;
+
+void nxagentInitAlphaVisual();
+
+#endif /* __Visual_H__ */