uibitmapdisplay.h

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#pragma once
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Feb 2007
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "uiflatviewmod.h"
#include "uigeom.h"
#include "callback.h"
#include "datapack.h"
 
class uiBitMapDisplayTask;
class uiDynamicImageItem;
class uiGraphicsItem;
class DataPackMgr;
class FlatDataPack;
class Task;
 
namespace FlatView { class Appearance; }
 
 
mExpClass(uiFlatView) uiBitMapDisplay : public CallBacker
{
public:
                        uiBitMapDisplay(FlatView::Appearance&,
                                        bool withalpha=true);
                        ~uiBitMapDisplay();
 
    void                update();
                        //When inputs or settings have changed
 
    uiGraphicsItem*     getDisplay();
    void                removeDisplay();
 
    void                setOverlap(float v) { overlap_ = v; }
    float               getOverlap() const  { return overlap_; }
 
    Interval<float>     getDataRange(bool iswva) const;
    const uiWorldRect&  boundingBox() const;
    void                setBoundingBox(const uiWorldRect&);
    void                setDataPack(const FlatDataPack*,bool wva);
    Notifier<uiBitMapDisplay>   rangeUpdated;
 
private:
 
    void                        reGenerateCB(CallBacker*);
    void                        dynamicTaskFinishCB(CallBacker*);
 
    Task*                       createDynamicTask(bool issnapshot);
 
    bool                        isVisible(bool wva) const;
    StepInterval<double>        getDataPackRange(bool wva,bool x1) const;
    uiWorldRect                 getBoundingBox(bool wva) const;
 
    FlatView::Appearance&       appearance_;
    ConstDataPackRef<FlatDataPack> wvapack_;
    ConstDataPackRef<FlatDataPack> vdpack_;
    uiWorldRect                 boundingbox_;
    float                       overlap_;
    int                         workqueueid_;
    bool                        withalpha_;
 
    uiDynamicImageItem*         display_;
    uiBitMapDisplayTask*        basetask_;
 
    CallBack                    finishedcb_;
};