RU/RU_PixelEngine.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_PixelEngine.h
 *
 * COMMENTS:
 *      Performs a variety of pixel functions on each pixel.
 */
#ifndef RU_PIXELENGINE_H
#define RU_PIXELENGINE_H

#include "RU_API.h"
#include <UT/UT_PtrArray.h>
#include <UT/UT_Lock.h>

#include "RU_Algorithm.h"

class ru_lut8;
class ru_lut16;
class ru_lut16fp;
class RU_PixelFunction;

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

    DECLARE_PIXEL_OP(RU_PixelEngineOp)
    
    // Parameters.
    RU_PixelFunction *myFunctionList;

// The remainder of this class should be treated as private.
    
    // Lookup table optimizations. Called internally, do not call.
    ru_lut8     *buildLUT8(unsigned int b, unsigned w);
    ru_lut16    *buildLUT16(unsigned int b, unsigned w);
    ru_lut16fp  *buildLUT16FP();

    UT_Lock     myLUTLock8, myLUTLock16, myLUTLock16FP;

    UT_PtrArray<ru_lut8 *>  myLUT8;
    UT_PtrArray<ru_lut16 *> myLUT16;
    ru_lut16fp             *myLUT16FP;
};


#endif

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