Thumbs.cpp

#include	"CGBL_Thumbs.h"
#include	"Thumbs.h"






/* --------------------------------------------------------------- */
/* Thumbs -------------------------------------------------------- */
/* --------------------------------------------------------------- */

// Seek transform A->B composed as: Trgd * Tdfm * Tpretwk.
//
// The output is an entry in the ThmPair_lyrA^lyrB.txt file.
//
// Discussion
// ----------
// See notes in ApproximateMatch.cpp.
//
bool Thumbs(
    const PixPair		&px,
    const ConnRegion	&acr,
    const ConnRegion	&bcr,
    FILE*				flog )
{
/* ------------------- */
/* Handle bypass modes */
/* ------------------- */

    if( GBL.ctx.MODE == 'E' || GBL.ctx.MODE == 'F' )
        return true;

/* ------------------- */
/* Handle search modes */
/* ------------------- */

    CThmUtil	U( GBL.A, acr.id, GBL.B, bcr.id, px,
                    GBL.Tab, GBL.ctx.OLAP2D, flog );

    U.SetParams(
        GBL.ctx.HFANGDN, GBL.ctx.HFANGPR, GBL.ctx.RTRSH,
        GBL.ctx.OLAP1D, GBL.ctx.MODE, GBL.ctx.LIMXY,
        GBL.mch.WTHMPR );

    CThmScan	S;
    CorRec		best;

    S.Initialize( flog, best );
    S.SetTdfm( GBL.ctx.Tdfm );
    S.SetRThresh( GBL.ctx.RTRSH );
    S.SetNbMaxHt( GBL.ctx.NBMXHT );
    S.SetSweepConstXY( true );
    S.SetSweepPretweak( GBL.mch.PRETWEAK );
    S.SetUseCorrR( true );
    S.SetDisc( 0, 0, -1, -1 );

/* ----------------------- */
/* Create image thumbnails */
/* ----------------------- */

    OlapRec	olp;
    ThmRec	thm;
    int		nPriorAngles = U.SetStartingAngle(
                                GBL.ctx.Tdfm, GBL.arg.CTR );

    if( !U.Crop( olp, acr, bcr, GBL.ctx.XYCONF ) )
        return false;

    if( !U.MakeThumbs( thm, olp, GBL.ctx.THMDEC ) )
        return false;

/* ------ */
/* Search */
/* ------ */

    if( GBL.ctx.MODE == 'N' ) {

        if( !U.Disc( best, S, thm, olp, GBL.mch.PRETWEAK ) )
            return false;
    }
    else if( !U.Sweep( best, S, thm, nPriorAngles ) )
        return false;

/* ------ */
/* Finish */
/* ------ */

    return U.Finish( best, S, thm, olp, GBL.mch.TWEAKS );
}