RU/RU_AlgorithmTemplates.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_Algorithm.h
 *
 * COMMENTS:
 *      Base classes for a templated Raster algorithm.
 *
 *      *** DO NOT INCLUDE THIS FILE IN ANY HEADER FILE ***
 */
#ifndef RU_ALGORITHM_TEMPLATES_H
#define RU_ALGORITHM_TEMPLATES_H

class TIL_TileList;
class RU_Algorithm;
class TIL_Region;

template<class Type, int fast> class RU_GeneratorOp
{
public:
                 RU_GeneratorOp(RU_Algorithm *alg) : myAlg(alg) { ; }
    virtual     ~RU_GeneratorOp()  { ; }

    virtual int  generate(TIL_TileList * /*output*/, float /*t*/,
                          int /*thread*/, void * /*data*/) { return 0; }
    
protected:
    RU_Algorithm        *myAlg;
};


// Pixel OPs take a single tile input and produce a single tile output.
//
template<class Type, int fast> class RU_PixelOp
{
public:
                 RU_PixelOp(RU_Algorithm *alg) : myAlg(alg) { ; }
    virtual     ~RU_PixelOp() { ; }
    
    virtual int  pixelAdjust(TIL_TileList * /*output*/,
                             const TIL_TileList * /*input*/,
                             float /*t*/, int /*thread*/, void * /*data*/)
                { return 0; }
    
protected:
    RU_Algorithm        *myAlg;
};

// Filters take a region input and produce a tile output.
//
template<class Type, int fast> class RU_FilterOp
{
public:
                 RU_FilterOp(RU_Algorithm *alg) : myAlg(alg) { ; }
    virtual     ~RU_FilterOp() { ; }
    
    virtual int  filter(TIL_TileList * /*output*/,
                        const TIL_Region * /*input*/,
                        float /*t*/, int /*thread*/, void * /*data*/)
                { return 0; }

    virtual int  filter(TIL_Region * /*output*/,
                        const TIL_Region * /*input*/,
                        float /*t*/,  int /*thread*/, void * /*data*/)
                { return 0; }
                        
    
protected:
    RU_Algorithm        *myAlg;
};


// Binary Ops take two tile inputs and produce a single tile output.
//
template<class Type,int fast> class RU_BinaryOp
{
public:
                 RU_BinaryOp(RU_Algorithm *alg) : myAlg(alg) { ; }
    virtual     ~RU_BinaryOp() { ; }

    virtual int  binary(TIL_TileList * /*output*/, const TIL_Region * /*fore*/,
                        const TIL_Region * /*back*/, float /*t*/,
                        int /*thread*/, void * /*data*/) { return 0; }
    
    virtual int  binary(TIL_Region * /*output*/, const TIL_Region * /*fore*/,
                        const TIL_Region * /*back*/, float /*t*/,
                        int /*thread*/, void * /*data*/) { return 0; }
protected:
    RU_Algorithm        *myAlg;
};


#endif

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