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Torque/SDK/lib/mayasdk6/include/maya/MPxFileTranslator.h

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+
+#ifndef _MPxFileTranslator
+#define _MPxFileTranslator
+//
+//-
+// ==========================================================================
+// Copyright  (C)  Alias Systems,  a division  of  Silicon Graphics  Limited.
+// All rights  reserved.  These coded  instructions,  statements and computer
+// programs  contain  unpublished information  proprietary to  Alias Systems,
+// a  division  of  Silicon  Graphics  Limited,  which  is  protected by  the
+// Canadian  and  US federal copyright law and  may not be disclosed to third
+// parties or  copied  or  duplicated,  in  whole  or in part,  without prior
+// written  consent  of Alias Systems, a division of Silicon Graphics Limited
+// ==========================================================================
+//+
+//
+// CLASS:    MPxFileTranslator
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MPxFileTranslator)
+//
+//  This class provides a base class from which one derives in order to
+//  implement Maya "File Translator Plug-Ins."  A file translator plug-in
+//  allows Maya to read or write 3rd party file formats.
+//  
+//  The identifyFile method is called whenever Maya's file save or restore
+//  dialogs are run, and identifyFile uses the filename and first few bytes
+//  of the file to determine whether it is of a type supported by the
+//  translator.  If it is, then Maya will display the file with the "name"
+//  and "icon" specified as arguments to MFnPlugin::registerFileTranslator.
+//  
+//  If an attempt is made to read the file, the "reader" method in the
+//  derived class is called, if an attempt is made to write the file, the
+//  "writer" method is called.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+
+#include <maya/MStatus.h>
+#include <maya/MString.h>
+#include <maya/MTypes.h>
+#include <maya/MFileObject.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MPxFileTranslator)
+
+/// Base Class for creating Maya File Translators
+/**
+  This class provides the connection to Maya by which user written file
+  translators can be added as plug-ins.
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYA_EXPORT MPxFileTranslator  
+{
+
+public:
+	///
+	enum MFileKind {
+		/// Translator understands how to read/write this file
+		kIsMyFileType,
+		/// Translator is not best available to read/write this file
+		kCouldBeMyFileType,
+		/// Translator does not understand how to read/write this file
+		kNotMyFileType
+	};
+	///
+	enum FileAccessMode {
+		/// Unknown file access mode
+		kUnknownAccessMode,
+		/// Import data into new scene
+		kOpenAccessMode,
+		/// Import data into current scene
+		kImportAccessMode,
+		/// Save data
+		kSaveAccessMode,
+		/// Export data
+		kExportAccessMode,
+		/// Export active (selected) data
+		kExportActiveAccessMode
+	};
+	///
+						MPxFileTranslator ();
+	///
+	virtual				~MPxFileTranslator ();	
+	///
+	virtual MStatus		reader ( const MFileObject& file,
+								 const MString& optionsString,
+								 FileAccessMode mode);
+	///
+	virtual MStatus		writer ( const MFileObject& file,
+								 const MString& optionsString,
+								 FileAccessMode mode);
+	///
+	virtual bool		haveReadMethod () const;
+	///
+	virtual bool		haveWriteMethod () const;
+	///
+	virtual bool		haveNamespaceSupport () const;
+	///
+	virtual MString     defaultExtension () const;
+	///
+	virtual MString     filter () const;
+	///
+	virtual bool        canBeOpened () const;
+	///
+	virtual MPxFileTranslator::MFileKind identifyFile (	const MFileObject& file,
+														const char* buffer,
+														short size) const;
+
+protected:
+// No protected members
+
+private:
+	void*				data;
+
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MPxFileTranslator */