#make a unified image


#~__ my $img_uni =  Imager->new(xsize=>$pos_width * 2,ysize=>$global_ascent,channels=>4);


#~__ $img_uni->paste(left=>$pos_width,top=>0,img=>$img1);

#~__ $img_uni->paste(left=>0,top=>0,img=>$img_mirror);


my $img_uni =  Imager->new(xsize=>$pos_width ,ysize=>$global_ascent * 2,channels=>4);

$img_uni->paste(left=>0,top=>$global_ascent,img=>$img_mirror);
$img_uni->paste(left=>0,top=>0,img=>$img1);