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HxImageFactory.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Edo Poll (poll@wins.uva.nl)
 */

#ifndef HxImageFactory_h
#define HxImageFactory_h

#include "HxImageRep.h"
#include "HxImageList.h"

#include <map>

class HxImageGenerator;
class HxImageData;

class L_HXIMAGEREP HxImageFactory
{
public:
    static HxImageFactory&  instance();

    HxImageRep          fromSignature(
                            const HxImageSignature& signature, HxSizes sizes);

    HxImageRep          fromImage(
                            const HxImageSignature& signature, HxImageRep src);

    HxImageRep          fromValue(
                            const HxImageSignature& signature,
                            HxSizes sizes, HxValue val);

    HxImageRep          fromByteData(
                            int pixelDimensionality, int dimensions,
                            HxSizes sizes, HxByte* data);

    HxImageRep          fromShortData(
                            int pixelDimensionality, int dimensions,
                            HxSizes sizes, short* data);

    HxImageRep          fromIntData(
                            int pixelDimensionality, int dimensions,
                            HxSizes sizes, int* data);

    HxImageRep          fromFloatData(
                            int pixelDimensionality, int dimensions,
                            HxSizes sizes, float* data);

    HxImageRep          fromDoubleData(
                            int pixelDimensionality, int dimensions,
                            HxSizes sizes, double* data);

    HxImageRep          fromGenerator(
                            const HxImageSignature& signature,
                            const HxImageGenerator* imgGenerator) const;

    HxImageRep          fromNamedGenerator(
                            const HxImageSignature& signature,
                            HxString generatorName, HxTagList& tags) const;

    HxImageRep          fromJavaRgb(
                            const HxImageSignature& signature,
                            HxSizes sizes, int* pixels);

    HxImageRep          fromGrayValue(
                            const HxImageSignature& signature,
                            HxSizes sizes, HxByte* pixels);

    HxImageRep          fromMatlab(
                            const HxImageSignature& signature,
                            HxSizes sizes, double* pixels);

    HxImageRep          fromImport(
                            const HxImageSignature& signature,
                            HxSizes sizes, HxString importOp, HxTagList& tags);

    HxImageRep          from2Images(HxImageRep i1, HxImageRep i2);

    HxImageRep          from3Images(
                            HxImageRep i1, HxImageRep i2, HxImageRep i3);

    HxImageRep          fromFile(HxString fileName);

    HxImageRep          fromFile(HxString fileName, HxTagList& tags);

    bool                writeFile(
                            HxImageRep img, HxString fileName,
                            HxTagList &tags) const;

    bool                imagesToFile(
                            HxImageList imgs, HxString fileName,
                            HxTagList &tags) const;

    HxImageList         imagesFromFile(
                            HxString fileName, HxTagList &tags);

    void                subscribeGenerator(
                            HxString name, HxImageGenerator*);
    void                unSubscribeGenerator(
                            HxString name, HxImageGenerator*);

    HxImageGenerator*   getGenerator(HxString name) const;

private:

    typedef HxImageGenerator*                   HxImgGtorPtr;
    typedef std::map<
                HxString, HxImgGtorPtr,
                std::less<HxString> >           GeneratorMap;
    typedef GeneratorMap::value_type            GeneratorEntry;

    static HxImageData*     construct(
                                const HxImageSignature& signature,
                                HxSizes sizes);

#pragma warning (disable : 4251)
    GeneratorMap                                _generatorMap;
#pragma warning (default : 4251)
};

#endif

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