"""
***************************************************************************
    r_blend_combine.py
    ------------------
    Date                 : February 2016
    Copyright            : (C) 2016 by Médéric Ribreux
    Email                : medspx at medspx 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.                                   *
*                                                                         *
***************************************************************************
"""

__author__ = 'Médéric Ribreux'
__date__ = 'February 2016'
__copyright__ = '(C) 2016, Médéric Ribreux'


def processInputs(alg, parameters, context, feedback):
    if 'first' and 'second' in alg.exportedLayers:
        return

    # Use v.in.ogr
    for name in ['first', 'second']:
        alg.loadRasterLayerFromParameter(name, parameters, context, False, None)
    alg.postInputs(context)


def processOutputs(alg, parameters, context, feedback):
    # Keep color table
    alg.exportRasterLayerFromParameter('output', parameters, context)