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// raw_reader.cc
// robert - programme du robot 2005. {{{
//
// Copyright (C) 2005 Nicolas Schodet
//
// Robot APB Team/Efrei 2005.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}
#include "raw_reader.hh"
#include "data/data_input.hh"
#include <stdexcept>

/// Constructeur, les param�tres doivent �tre pr�cis�s car non pr�sents
/// dans le binaire.
RawReader::RawReader (DataInput &data, int width, int height,
		      Image::PixelFormat pixelFormat)
    : data_ (data), width_ (width), height_ (height),
      pixelFormat_ (pixelFormat)
{
}

/// R�cup�re les param�tres de l'image.
void
RawReader::getParam (int &width, int &height,
		     Image::PixelFormat &pixelFormat)
{
    width = width_;
    height = height_;
    pixelFormat = pixelFormat_;
}

/// Lit une image, lance une exception en cas d'erreur.
void
RawReader::read (uint8_t *buf, unsigned size)
{
    unsigned r = data_.read (buf, size);
    if (r != size)
	throw std::runtime_error ("Raw file too short");
}