vismultiattribsurvobj.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          4-11-2002
________________________________________________________________________


-*/

#include "vissurveymod.h"
#include "vissurvobj.h"
#include "visobject.h"
#include "coltabmappersetup.h"

namespace visBase
{
    class TextureChannels;
    class TextureChannel2RGBA;
};

namespace ColTab  { class Sequence; }

namespace visSurvey
{

mExpClass(visSurvey) MultiTextureSurveyObject : public visBase::VisualObjectImpl
                                              , public SurveyObject
{
public:
    bool                        turnOn(bool yn);
    bool                        isOn() const;
    bool                        isShown() const;

    virtual int                 nrResolutions() const                   = 0;
    virtual void                setResolution(int,TaskRunner*)          = 0;
    int                         getResolution() const;

    bool                        setChannels2RGBA(visBase::TextureChannel2RGBA*);
    visBase::TextureChannel2RGBA* getChannels2RGBA();
    visBase::TextureChannels*   getChannels() const { return channels_; }

    bool                        canHaveMultipleAttribs() const;
    bool                        canAddAttrib(int nrattribstoadd=1) const;
    bool                        canRemoveAttrib() const;
    int                         nrAttribs() const;
    bool                        addAttrib();
    bool                        removeAttrib(int attrib);
    bool                        swapAttribs(int attrib0,int attrib1);
    void                        setAttribTransparency(int,unsigned char);
    unsigned char               getAttribTransparency(int) const;
    virtual void                allowShading(bool);

    const Attrib::SelSpec*      getSelSpec(int attrib,int version=0) const;
    const TypeSet<Attrib::SelSpec>* getSelSpecs(int attrib) const;

    void                        setSelSpec(int attrib,const Attrib::SelSpec&);
    void                        setSelSpecs(int attrib,
                                            const TypeSet<Attrib::SelSpec>&);
    void                        clearTextures();
    void                        enableTextureInterpolation(bool);
    bool                        textureInterpolationEnabled() const;

    bool                        isAngle(int attrib) const;
    void                        setAngleFlag(int attrib,bool yn);
    void                        enableAttrib(int attrib,bool yn);
    bool                        isAttribEnabled(int attrib) const;

    const ColTab::Mapper&       getColTabMapper(int attrib) const;
    void                        setColTabMapper(int,const ColTab::Mapper&,
                                                TaskRunner*);
    const ColTab::Sequence&     getColTabSequence(int) const;
    bool                        canSetColTabSequence() const;
    void                        setColTabSequence(int,const ColTab::Sequence&,
                                                  TaskRunner*);

    bool                        canHaveMultipleTextures() const { return true; }
    int                         nrTextures(int attrib) const;
    void                        selectTexture(int attrib, int texture );
    int                         selectedTexture(int attrib) const;

    void                        fillPar(IOPar&) const;
    bool                        usePar(const IOPar&);
    virtual bool                canBDispOn2DViewer() const      { return true; }
    bool                        canEnableTextureInterpolation() const
                                { return channels_; }
    bool                        canDisplayInteractively(
                                                Pos::GeomID geomid=-1) const;

    const uiString&             errMsg() const { return errmsg_; }

protected:

                                MultiTextureSurveyObject();
                                ~MultiTextureSurveyObject();
    void                        getValueString(const Coord3&,
                                               BufferString&) const;
    virtual bool                getCacheValue(int attrib,int version,
                                              const Coord3&,float&) const = 0;

    void                        updateMainSwitch();
    virtual void                addCache()                              = 0;
    virtual void                removeCache(int)                        = 0;
    virtual void                swapCache(int,int)                      = 0;
    virtual void                emptyCache(int)                         = 0;
    virtual bool                hasCache(int) const                     = 0;
    virtual bool                init();

    visBase::TextureChannels*   channels_;

    int                         resolution_;

private:

    ObjectSet<TypeSet<Attrib::SelSpec> >        as_;

    bool                        enabletextureinterp_;
    bool                        onoffstatus_;

    static const char*          sKeySequence();
    static const char*          sKeyMapper();
    static const char*          sKeyResolution();
    static const char*          sKeyTextTrans();
};

} // namespace visSurvey