visflatviewer.h

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#ifndef visflatviewer_h
#define visflatviewer_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Yuancheng Liu
 Date:          5-11-2007
 RCS:           $Id$
________________________________________________________________________

-*/

#include "visbasemod.h"
#include "flatview.h"
#include "visobject.h"

namespace visBase
{

class PolyLine;
class TextureChannels;
class ColTabTextureChannel2RGBA;
class TextureRectangle;

mExpClass(visBase) FlatViewer : public FlatView::Viewer, public VisualObjectImpl
{
public:
    static FlatViewer*         create()
                               mCreateDataObj(FlatViewer);

    Notifier<FlatViewer>       dataChanged;
    Notifier<FlatViewer>       dispParsChanged;
    void                       handleChange(unsigned int);
    void                       setPosition(const Coord3& c00,
                                           const Coord3& c01,
                                           const Coord3& c10,
                                           const Coord3& c11);
    void                       turnOnGridLines(bool offsetlines,bool zlines);
    void                       allowShading(bool yn);
    void                       replaceChannels(TextureChannels*);
    Interval<float>            getDataRange(bool iswva) const;
    const SamplingData<float>  getDefaultGridSampling(bool x1) const;

    int                        nrResolutions() const            { return 3; }
    void                       setResolution(int res);
    int                        getResolution() const    { return resolution_; }
    BufferString               getResolutionName(int) const;

    FlatView::AuxData*         createAuxData(const char* nm) const { return 0;}

    int                        nrAuxData() const { return 0; }
    FlatView::AuxData*         getAuxData(int idx) { return 0; }
    const FlatView::AuxData*   getAuxData(int idx) const { return 0; }
    void                       addAuxData(FlatView::AuxData* a) {}
    FlatView::AuxData*         removeAuxData(FlatView::AuxData* a) { return a;}
    FlatView::AuxData*         removeAuxData(int idx) { return 0; }
    void                       setDisplayTransformation(const mVisTrans*);
    virtual void               setPixelDensity(float);


protected:
                               ~FlatViewer();
    
    void                       updateGridLines(bool x1);
    TextureChannels*           channels_;
    ColTabTextureChannel2RGBA* channel2rgba_;
    RefMan<TextureRectangle>   rectangle_;
    PolyLine*                  x1gridlines_;
    PolyLine*                  x2gridlines_;
    Material*                  gridlinematerial_;

    int                        resolution_;
    Coord3                     c00_, c01_, c10_, c11_;
};

}; // Namespace


#endif