RU/RU_SubPixel.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:        RU_SubPixel.h
 *
 * COMMENTS:
 *      Does a subpixel interpolation. Requires a region 1 pixel larger in X and
 *      Y then the tile. The weights are arranged in a 2x2 matrix of:
 *
 *      0 1
 *      2 3
 */
#ifndef RU_SUBPIXEL_H
#define RU_SUBPIXEL_H

#include "RU_API.h"
#include <UT/UT_FilterType.h>

#include "RU_Algorithm.h"

class RU_API RU_SubPixel : public RU_Algorithm
{
public:
                 RU_SubPixel();
    virtual     ~RU_SubPixel();

    DECLARE_FILTER_OP(RU_SubPixelOp)

    void        setWeights(float x, float y);
    
    // Parameters.
    float               mySubPixelWeights[4];
};


#endif

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