// Filename: pnmReader.I
// Created by:  drose (16Jun00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////
//     Function: PNMReader::Constructor
//       Access: Protected
//  Description:
////////////////////////////////////////////////////////////////////
INLINE PNMReader::
PNMReader(PNMFileType *type, istream *file, bool owns_file) :
  _type(type),
  _owns_file(owns_file),
  _file(file),
  _is_valid(true),
  _has_read_size(false)
{
}

////////////////////////////////////////////////////////////////////
//     Function: PNMReader::set_read_size
//       Access: Public
//  Description: Instructs the reader to attempt to scale the image to
//               the indicated size while reading it.  The reader may
//               or may not follow this suggestion, or may follow it
//               only partially (e.g. by reading a file which is
//               slightly reduced in size, but not the precise size
//               requested).
////////////////////////////////////////////////////////////////////
void PNMReader::
set_read_size(int x_size, int y_size) {
  _read_x_size = x_size;
  _read_y_size = y_size;
  _has_read_size = true;
}

////////////////////////////////////////////////////////////////////
//     Function: PNMReader::get_type
//       Access: Public
//  Description: Returns a pointer to the PNMFileType object that
//               created this PNMReader.
////////////////////////////////////////////////////////////////////
INLINE PNMFileType *PNMReader::
get_type() const {
  return _type;
}

////////////////////////////////////////////////////////////////////
//     Function: PNMReader::is_valid
//       Access: Public
//  Description: Returns true if the PNMReader can be used to read
//               data, false if something is wrong.
////////////////////////////////////////////////////////////////////
INLINE bool PNMReader::
is_valid() const {
  return _is_valid;
}