annotbuffill.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        H. Huck
 Date:          04/09/2006
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "uigeom.h"
#include "draw.h"

class uiWorld2Ui;
class uiRGBArray;

typedef Geom::Point2D<double> dPoint;
typedef Geom::Point2D<int> iPoint;

mExpClass(uiTools) AnnotBufferFiller
{

public:

    mExpClass(uiTools) LineInfo
    {
        public:

            OD::LineStyle                               linestyle_;
            TypeSet<dPoint>                     pts_;
    };
    //TODO add later on sth for the polygones

    
                        AnnotBufferFiller(const uiWorld2Ui* w=0);
                        ~AnnotBufferFiller();

    void                addLineInfo(const OD::LineStyle&,
                                    TypeSet<dPoint>,bool,bool);
    void                setW2UI( const uiWorld2Ui* w )  { w2u_ = w; }
    void                fillBuffer(const uiWorldRect&,uiRGBArray&) const;
    void                fillInterWithBufArea(const uiWorldRect&,const LineInfo*,
                                             uiRGBArray&) const;

    void                eraseGridLines(bool);
    bool                dispannotlines_;
    bool                disphorgdlines_;
    bool                dispvertgdlines_;
    


protected:

    const uiWorld2Ui*   w2u_;
    ObjectSet<LineInfo> annotlines_;
    ObjectSet<LineInfo> horgdlines_;
    ObjectSet<LineInfo> vertgdlines_;

    void                setPoint(const iPoint&,int,uiRGBArray&) const;
    void                setLine(const iPoint&,const iPoint&,
                                const LineInfo*,uiRGBArray&) const;
    bool                isLineOutside(const LineInfo*,const uiWorldRect&) const;
    dPoint              computeIntersect(const dPoint&,const dPoint&,
                                         const uiWorldRect&)const;
    void                dummytest();
};