COP2/COP2_TransformParms.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *
 *      Mark Alexander
 *      Side Effects
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        COP2_Node.h
 *
 * COMMENTS:
 *      Defines a transformation class, which allows transforms to be
 *      collapsed into 1 transform.
 */
#ifndef COP2_TRANSFORM_PARMS_H
#define COP2_TRANSFORM_PARMS_H

#include "COP2_API.h"
#include <UT/UT_XformOrder.h>
#include <UT/UT_FilterType.h>
#include <RU/RU_FilterArea.h>

class UT_Matrix4;

class COP2_API COP2_TransformParms
{
public:
    COP2_TransformParms(float tx = 0.0f, float ty = 0.0f, float rot = 0.0f,
                        float sx = 1.0f, float sy = 1.0f,
                        float px = 0.0f, float py = 0.0f,
                        UT_XformOrder::rstOrder order  = UT_XformOrder::TRS,
                        UT_FilterType           filter = UT_FILTER_BOX,
                        float                   filtersize = 1.0f,
                        RU_FILTER_WRAP          wrap   = RU_FILTER_BORDER)
        : myRot(rot),
          mySX(sx),mySY(sy),
          myTX(tx),myTY(ty),
          myPX(px),myPY(py),
          myFilterSizeX(filtersize),    myFilterSizeY(filtersize),
          myFilterX(filter),            myFilterY(filter),
          myOrder(order),
          myWrapX(wrap),                myWrapY(wrap),
          myCombinedTransform(0),
          myConstant(false), myUseBlur(false), myBlur(0.0f),
          myBias(0.0f), mySegments(8) {}

                 COP2_TransformParms(const COP2_TransformParms &parms);
                ~COP2_TransformParms();

    bool         isCompatibleWith(const COP2_TransformParms &parms)
        { return (myFilterX == parms.myFilterX &&
                  myFilterY == parms.myFilterY &&
                  myFilterSizeX == parms.myFilterSizeX &&
                  myFilterSizeY == parms.myFilterSizeY &&
                  myWrapX == parms.myWrapX &&
                  myWrapY == parms.myWrapY &&
                  (myConstant || parms.myConstant ||
                   (myUseBlur == parms.myUseBlur &&
                    (!myUseBlur || (myBlur == parms.myBlur &&
                                    myBias == parms.myBias &&
                                    mySegments == parms.mySegments))))); } 

    bool        collapseTransform(const COP2_TransformParms &parms);

    void        convertToMatrix();

    // Return the matrix representing our transform parameters.
    void        getMatrix(UT_Matrix4 &) const;

    // Return the inverse of the matrix representing our transform parameters
    void        getInverseMatrix(UT_Matrix4 &mat) const;

    // public Data
    float               myRot;
    float               mySX, mySY;
    float               myTX, myTY;
    float               myPX, myPY;
    float               myFilterSizeX, myFilterSizeY;
    UT_FilterType       myFilterX, myFilterY;
    UT_XformOrder       myOrder;
    RU_FILTER_WRAP      myWrapX, myWrapY;
    UT_Matrix4         *myCombinedTransform;

    bool                myConstant;
    bool                myUseBlur;
    float               myBlur;
    float               myBias;
    int                 mySegments;
};

#endif

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