utils.py

# Copyright (C) 2007  Nicolas Trangez <eikke@eikke.com>
#
# 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; version 2 of the License (and no other).
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# EOL

MIN_PIXEL_VALUE = 0
MAX_PIXEL_VALUE = 255

def clip(i):
        if i < MIN_PIXEL_VALUE:
                i = MIN_PIXEL_VALUE
        if i > MAX_PIXEL_VALUE:
                i = MAX_PIXEL_VALUE
        return i