exampleMRampAttribute.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/MIOStream.h>

#include <maya/MPxNode.h> 
#include <maya/MFnPlugin.h>
#include <maya/MString.h> 
#include <maya/MTypeId.h> 
#include <maya/MPlug.h>
#include <maya/MRampAttribute.h>


class exampleRampAttrNode : public MPxNode
{
public:
        exampleRampAttrNode() {};
        virtual        ~exampleRampAttrNode() {};
        static  void   *creator();
        static  MStatus initialize();
        virtual MStatus compute(const MPlug &plug, MDataBlock  &dataBlock);

        static MObject input1;
        static MObject input2;
        static MTypeId  id;

};

MTypeId exampleRampAttrNode::id( 0x81027 );

MObject exampleRampAttrNode::input1;
MObject exampleRampAttrNode::input2;

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

MStatus exampleRampAttrNode::initialize()
{
        MStatus stat;

        MString curveRamp("curveRamp");
        MString cvr("cvr");
        MString colorRamp("colorRamp");
        MString clr("clr");

        input1 = MRampAttribute::createCurveRamp(curveRamp, cvr);
        input2 = MRampAttribute::createColorRamp(colorRamp, clr);

        stat = addAttribute(input1);
        if(!stat)
        {
                cout << "ERROR in adding curveRamp Attribute!\n";
        }
        stat = addAttribute(input2);
        if(!stat)
        {
                cout << "ERROR in adding colorRamp Attribute!\n";
        }

        return stat;
}

MStatus exampleRampAttrNode::compute( const MPlug &plug, MDataBlock  &dataBlock ) 
{
        return(MStatus::kSuccess);
}

MStatus initializePlugin(MObject obj)
{
        MStatus   status;
        MFnPlugin plugin(obj, PLUGIN_COMPANY, "7.0", "Any");

        status = plugin.registerNode("exampleRampAttrNode", exampleRampAttrNode::id,
                        exampleRampAttrNode::creator, exampleRampAttrNode::initialize);
        if (!status) 
        {
                status.perror("registerNode");
                return status;
        }

        return status;
}

MStatus uninitializePlugin(MObject obj)
{
        MStatus   status;
        MFnPlugin plugin(obj);

        status = plugin.deregisterNode(exampleRampAttrNode::id);
        if (!status) 
        {
                status.perror("deregisterNode");
                return status;
        }

        return status;
}