ConvenienceProcessors.hxx

/* ImLib3D
 * Copyright (c) 2001, ULP-IPB Strasbourg.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _ConvenienceProcessors_hxx
#define _ConvenienceProcessors_hxx

#include<ImLib3D/ConvenienceProcessors.hpp>
#include<ImLib3D/Threshold.hpp>
#include<ImLib3D/Transformation.hpp>

template <class ImageType>
void
IP3D::Crop(const ImageType& src,const RectZone3Di &zone,ImageType& res0)
{
    ImageProcessorArgs<ImageType> args(ImArgs(src),res0);
    ImageType &res=args.GetDest();
    res.properties=src.properties;
    // check coherence
    if(!(src.IsInside(zone.GetP0()) && src.IsInside(zone.GetP1())))
    {
        ThrowError("IP3D::Crop: subimage not in image");
    }
    typename ImageType::const_iteratorZone p(zone);
    res.Resize(Size3D(zone.Width(),zone.Height(),zone.Depth()));
    for( p=src.begin(); p!=src.end(); ++p )
    {
        res(p.Pos()-zone.GetP0())=*p;
    }
    // also crop mask if needed 
    if(src.HasMask())
    {
        IP3D::Crop(src.Mask(),zone,res.Mask());
    }
}



template <class ImageType>
void
IP3D::ApplyMask(const ImageType& src, ImageType& res, byte maskvalue, const Mask3D* optmask)
{
    Mask3D mask;
    if (optmask){ mask = *optmask;}
    else
    { 
        if(!src.HasMask()){ThrowError("GetMask: no mask");}
        mask = src.Mask();
    }
    if (maskvalue > 0) {IP3D::SimpleThresholds2(mask, maskvalue, maskvalue, mask);}
    res = src;
    mask.ApplyOn(res);
}


template <class ComplexImageType>
void
IP3D::ExtractFromComplexImage(const ComplexImageType& src,const string&type,Image3Df &res)
{
    if(type=="Imag"  ) {src.ComplexImag(res)  ;}
    else
    if(type=="Real"  ) {src.ComplexReal(res)  ;}
    else
    if(type=="Norm2" ) {src.ComplexNorm2(res) ;}
    else
    if(type=="Module") {src.ComplexModule(res);}
    else
    if(type=="CenteredLogModule") 
    {
        src.ComplexModule(res);
        for(Image3Df::iteratorFast p=res.begin();p!=res.end();++p)
        {
            if(*p){*p=log(*p);}
            else{*p=0;}
        }
        IP3D::WrapTranslate(res,res.SizeV()/2,res);
    }
    else
    {ThrowError("ExtractFromComplexImage:: unknown type:%s",type);}
}

#endif// _ConvenienceProcessors_hxx

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