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# narrowPolyViewer.h

    //-
    // ==========================================================================
    // Copyright 1995,2006,2008 Autodesk, Inc. All rights reserved.
    //
    // Use of this software is subject to the terms of the Autodesk
    // license agreement provided at the time of installation or download,
    // or which otherwise accompanies this software in either electronic
    // or hard copy form.
    // ==========================================================================
    //+

    //
    //  File Name: narrowPolyViewer.h
    //
    //  Description:
    //      A simple test of the MPx3dModelView code.
    //      A view that allows multiple cameras to be added is made.
    //

    #ifndef NARROWPOLYVIEWER_H
    #define NARROWPOLYVIEWER_H

    #include <maya/MDGModifier.h>

    #include <maya/MPx3dModelView.h>
    #include <maya/M3dView.h>
    #include <maya/MDagPath.h>
    #include <maya/MDagPathArray.h>
    #include <maya/MStringArray.h>

    class MFnDependencyNode;
    class MPlug;
    class MDGModifier;
    class MObject;
    class MObjectArray;
    class MSelectionList;

    #define kTypeName "narrowPolyViewer"

    class narrowPolyViewer: public MPx3dModelView
    {
    public:
        narrowPolyViewer();
        virtual ~narrowPolyViewer();

        virtual MString     viewType() const;

        virtual MStatus     setCameraList(const MDagPathArray &cameraList);
        virtual MStatus     getCameraList(MDagPathArray &cameraList) const;
        virtual MStatus     getCameraList(MStringArray &cameraList) const;

        virtual MStatus     appendCamera(const MDagPath &camera);
        virtual MStatus     removeCamera(const MDagPath &camera);
        virtual MStatus     removeAllCameras();

        virtual MString     getCameraHUDName();

        virtual MStatus     setIsolateSelect(MSelectionList &list);
        virtual MStatus     setIsolateSelectOff();

        virtual void        removingCamera(MDagPath &cameraPath);

        virtual MStatus     swap(MPx3dModelView &src);
        virtual MStatus     copy(MPx3dModelView &src);

        MStatus             setLightTest(MSelectionList &list);

        static void*        creator();

        double tol;

    //  Public data used to report the conditions of the last refresh
    //
        MStringArray        fTestCameraList;

    protected:
        virtual void            preMultipleDraw();
        virtual void            postMultipleDraw();
        virtual void            preMultipleDrawPass(unsigned index);
        virtual void            postMultipleDrawPass(unsigned index);
        virtual bool            okForMultipleDraw(const MDagPath &);
        virtual unsigned        multipleDrawPassCount();

        MDagPath                fOldCamera;
        MDagPathArray           fCameraList;
        unsigned                fCurrentPass;
        bool                    fDrawManips;
        M3dView::DisplayStyle   fOldDisplayStyle;

        bool                    fLightTest;
        MDagPathArray           fLightList;
    private:
        static const char*  className() { return "narrowPolyViewer"; }
    };
    #endif