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lib/mayasdk7/include/maya/MDGContext.h

@@ -0,0 +1,123 @@
+#ifndef _MDGContext
+#define _MDGContext
+//
+//-
+// ==========================================================================
+// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
+// rights reserved.
+// 
+// The coded instructions, statements, computer programs, and/or related 
+// material (collectively the "Data") in these files contain unpublished 
+// information proprietary to Alias Systems Corp. ("Alias") and/or its 
+// licensors, which is protected by Canadian and US federal copyright law and 
+// by international treaties.
+// 
+// The Data may not be disclosed or distributed to third parties or be copied 
+// or duplicated, in whole or in part, without the prior written consent of 
+// Alias.
+// 
+// THE DATA IS PROVIDED "AS IS". ALIAS HEREBY DISCLAIMS ALL WARRANTIES RELATING 
+// TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR IMPLIED 
+// WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
+// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
+// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
+// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
+// ==========================================================================
+//+
+//
+// CLASS:    MDGContext
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MDGContext)
+//
+// This class provides methods for accessing dependency graph contexts.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+#include <maya/MStatus.h>
+#include <maya/MTypes.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+class MObject;
+class MTime;
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MDGContext)
+
+/// Dependency graph context class
+/**
+  Control the way in which dependency nodes are evaluated.
+*/
+#if defined(_WIN32)
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYA_EXPORT MDGContext  
+{
+public:
+
+	// Normal
+	///
+	MDGContext( );
+
+	// Timed
+	///
+	MDGContext( const MTime & when );
+
+	///
+	MDGContext( const MDGContext& in );
+
+	///
+	~MDGContext();
+
+
+
+    // Method for determining whether the context is the "normal" one,
+	// ie. the one used for normal evaluation
+	///
+	bool     	isNormal( MStatus * ReturnStatus = NULL ) const;
+
+	///
+	MStatus 	getTime( MTime & );
+
+	///
+	MDGContext&	operator =( const MDGContext& other );
+
+
+	// Default context "Normal"
+	///
+	static		MDGContext	fsNormal;
+
+
+protected:
+// No protected members
+
+private:
+	const void * data;
+	bool fOwn;
+	friend class MPlug;
+	friend class MDataBlock;
+	const char* className() const;
+	MDGContext( const void* );
+};
+
+#if defined(_WIN32)
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MDGContext */