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# iffInfoCmd.cpp

    //-
    // ==========================================================================
    // 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.
    // ==========================================================================
    //+

    #include <maya/MPxCommand.h>
    #include <maya/MStatus.h>
    #include <maya/MArgList.h>
    #include <maya/MFnPlugin.h>
    #include <maya/MObject.h>
    #include <maya/MGlobal.h>
    #include <maya/MString.h>
    #include <maya/MPoint.h>
    #include "iffreader.h"
    #ifndef OSMac_
    #include <maya/MIOStream.h>
    #endif
    #define IFFCHECKERR(stat, call) \
    if (!stat) { \
        MString string = reader.errorString(); \
        string += " in method "; \
        string += #call; \
        displayError (string); \
        return MS::kFailure; \
    }

    class iffInfo : public MPxCommand
    {
    public:
                    iffInfo();
        virtual     ~iffInfo();

        MStatus     doIt ( const MArgList& args );
        MStatus     redoIt ();
        MStatus     undoIt ();
        bool        isUndoable() const;

        static      void* creator();

    private:
        MString     result;
    };

    iffInfo::iffInfo()
    {
    }

    iffInfo::~iffInfo() {}

    void* iffInfo::creator()
    {
        return new iffInfo;
    }

    bool iffInfo::isUndoable() const
    {
        return true;
    }

    MStatus iffInfo::undoIt()
    {
        return MS::kSuccess;
    }

    MString itoa (int n)
    {
        char buffer [256];
        sprintf (buffer, "%d", n);
        return MString (buffer);
    }

    MStatus iffInfo::doIt( const MArgList& args )
    {
        MString componentName;
        if (args.length () != 1 ) {
            displayError ("Syntax: iffInfo file");
            return MS::kFailure;
        }

        MString fileName;

        args.get (0, fileName);

        IFFimageReader reader;
        MStatus stat;

        stat = reader.open (fileName);
        IFFCHECKERR (stat, open);

        int bytesPerChannel = reader.getBytesPerChannel ();
        int w,h;

        stat = reader.getSize (w, h);
        IFFCHECKERR (stat, getSize);

        result = "\nResolution: ";
        result += itoa (w);
        result += "x";
        result += itoa (h);
        result += "\n";
        if (reader.isRGB () || reader.isGrayscale ()) {
            if (reader.isRGB ()) {
                result += "RGB";
                if (reader.hasAlpha ())
                    result += "A";
            }
            else
                result += "Grayscale";
            result += " data with ";
            if (bytesPerChannel == 2)
                result += "16";
            else
                result += "8";
            result += " bits per channel\n";
        }
        if (reader.hasDepthMap ()) {
            result += "Image has a depth map\n";
        } else {
            result += "Image does not have a depth map\n";
        }

        stat = reader.close ();
        IFFCHECKERR (stat, close);

        return redoIt();
    }

    MStatus iffInfo::redoIt()
    {
        clearResult();
        appendToResult (result);

        return MS::kSuccess;
    }

    MStatus initializePlugin( MObject obj )
    {
        MStatus status;
        MFnPlugin plugin( obj, PLUGIN_COMPANY, "3.0", "Any");
        status = plugin.registerCommand( "iffInfo", iffInfo::creator );

        if (!status)
            status.perror("registerCommand");

        return status;
    }

    MStatus uninitializePlugin( MObject obj )
    {
        MStatus status;
        MFnPlugin plugin( obj );
        status = plugin.deregisterCommand( "iffInfo" );

        if (!status)
            status.perror("deregisterCommand");

        return status;
    }