//! file="amma/Image/ImageIO/ImgPNMi.hh"
//! lib=Mimage
//! userlevel=Obsolete
//! author="Radek Marik"
//! docentry="Obsolete"
//! rcsid="$Id: ImgPNMi.hh,v 1.7 1999/11/04 13:51:43 ees1cg Exp $"
//! date="06/08/95"
// IAPS - Image analysis program system - include file
//
// File name  : ImgPNMi.hh
// Description: basic general information about image without a file
// Last change: 26.4.1994
// Author     : Radek Marik
// Libraries  : iaps
// ------------------------------------------------------------------
//
// Modifications:
//
//
//

#ifndef ImgPNMi_HH
#define ImgPNMi_HH

#include "amma/StdType.hh"
#include "amma/Pixel.hh"
#include "amma/GreyVal.hh"
#include "amma/ImFormat.hh"
#include "amma/ImgFileI.hh"

class ImageIStreamC;

// ------------------------------------------------------------------------
// *** ImagePNMFileInfoC **********************************************
// ------------------------------------------------------------------------

static const IntT MAX_COMMENT_NUMBER = 20;

class ImagePNMFileInfoC : public ImageFileInfoC
{
  public:
    ImagePNMFileInfoC(ImageIStreamC & s);
    // The image is created from the input image stream 's'.

    ImagePNMFileInfoC(const ImagePNMFileInfoC & info);
    // Copy constructor.

    inline ImageFileInfoC * ACopy() const;
    // Create an abstract copy of this object.

    inline GreyLevelsT Levels() const;
    // get number of grey levels in the image

    inline PixelIndexT Rnum() const; 
    // get number of rows

    inline PixelIndexT Cnum() const; 
    // get number of columns

    inline PixelC LUCorner() const; 
    // left upper corner of the image

    inline PixelC RDCorner() const; 
    // right down corner of the image

    inline ImageRectangleC Rectangle() const;
    // Return the image rectangle

    ImageFileFormatT Format() const;
    // get image file format

    ImageFileDataFormatT DataFormat() const;
    // get format of data stored in the image file

    inline void SetSize(const ImageRectangleC & rect);
    // Set the new size of the image.

    void WriteHead(ImageOStreamC & outS) const;
    // Write the header of file according the information stored
    // in this object.

    void PrintInfo(ostream & os) const;
    // print the header information into the stream 'os'

  private:

    PixelC           luPxl;       // left upper corner of the image
    PixelC           rdPxl;       // right down corner of the image
    ImageFileFormatT fFormat;     // the image file format
    IntT             maxLevel;    // the maximum level in the image
    char *           comment[MAX_COMMENT_NUMBER]; // rows of comment lines
                                  // the last comment is NULL
};

extern BooleanT P6asYUV;

#include "amma/ImageRec.hh"

// ---------------------------------------------------------------------
// **************** ImagePNMFileInfoC **********************************
// ---------------------------------------------------------------------

inline
ImageFileInfoC *
ImagePNMFileInfoC::ACopy() const
{ return(new ImagePNMFileInfoC(*this)); }

inline
GreyLevelsT 
ImagePNMFileInfoC::Levels() const
{ return(maxLevel+1); }

inline
PixelIndexT 
ImagePNMFileInfoC::Rnum() const
{ return(rdPxl.Row()-luPxl.Row()+1); }

inline
PixelIndexT 
ImagePNMFileInfoC::Cnum() const
{ return(rdPxl.Col()-luPxl.Col()+1); }

inline 
PixelC 
ImagePNMFileInfoC::LUCorner() const
{ return(luPxl); }

inline 
PixelC 
ImagePNMFileInfoC::RDCorner() const
{ return(rdPxl); }

inline 
ImageRectangleC 
ImagePNMFileInfoC::Rectangle() const
{ return(ImageRectangleC(luPxl, rdPxl)); }

inline 
void 
ImagePNMFileInfoC::SetSize(const ImageRectangleC & rect) {
  luPxl = rect.Origin();
  rdPxl = rect.End();
}

#endif

// IAPS - Image analysis program system. 
// End of include file ImgPNMi.hh