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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 __GC_H__
+#define __GC_H__
+
+extern RESTYPE RT_NX_GC;
+
+/* This file uses the GC definition form Xlib.h as XlibGC. */
+
+typedef struct {
+ XlibGC gc;
+
+ int nClipRects;
+
+ XGCValues lastServerValues;
+
+ XID mid;
+
+ PixmapPtr pPixmap;
+
+} nxagentPrivGC;
+
+extern int nxagentGCPrivateIndex;
+
+typedef struct _nxagentGraphicContextsRec
+{
+ int depth;
+ GCPtr pGC;
+ int dirty;
+
+} nxagentGraphicContextsRec;
+
+typedef nxagentGraphicContextsRec *nxagentGraphicContextsPtr;
+extern nxagentGraphicContextsPtr nxagentGraphicContexts;
+extern int nxagentGraphicContextsSize;
+
+#define nxagentGCPriv(pGC) \
+ ((nxagentPrivGC *)((pGC) -> devPrivates[nxagentGCPrivateIndex].ptr))
+
+#define nxagentGC(pGC) (nxagentGCPriv(pGC) -> gc)
+
+#define nxagentCopyGCPriv(valueMask, valueField, src, mask, dst) \
+\
+ if (mask & valueMask) \
+ { \
+ nxagentGCPriv(dst) -> lastServerValues.valueField = \
+ nxagentGCPriv(src) -> lastServerValues.valueField; \
+ }
+
+#define nxagentTestGC(newValue, pvalue) \
+\
+ ((nxagentGCPriv(pGC) -> lastServerValues.pvalue == newValue) ? 0 : 1); \
+\
+ nxagentGCPriv(pGC) -> lastServerValues.pvalue = newValue
+
+Bool nxagentCreateGC(GCPtr pGC);
+void nxagentValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
+void nxagentChangeGC(GCPtr pGC, unsigned long mask);
+void nxagentCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
+void nxagentDestroyGC(GCPtr pGC);
+void nxagentChangeClip(GCPtr pGC, int type, pointer pValue, int nRects);
+void nxagentDestroyClip(GCPtr pGC);
+void nxagentDestroyClipHelper(GCPtr pGC);
+void nxagentCopyClip(GCPtr pGCDst, GCPtr pGCSrc);
+
+void nxagentDisconnectGC(pointer p0, XID x1, pointer p2);
+Bool nxagentDisconnectAllGCs(void);
+
+Bool nxagentReconnectAllGCs(void *p0);
+
+int nxagentDestroyNewGCResourceType(pointer p, XID id);
+
+void nxagentFreeGCList(void);
+void nxagentInitGCSafeVector(void);
+
+GCPtr nxagentGetScratchGC(unsigned depth, ScreenPtr pScreen);
+void nxagentFreeScratchGC(GCPtr pGC);
+
+GCPtr nxagentGetGraphicContext(DrawablePtr pDrawable);
+void nxagentAllocateGraphicContexts(void);
+
+#endif /* __GC_H__ */