#!/usr/bin/env python3
# Copyright (C) 2013-2014 Florian Festi
#
#   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 3 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, see <http://www.gnu.org/licenses/>.

from boxes import *
import math


class Folder(Boxes):
    """Book cover with flex for the spine"""

    def __init__(self):
        Boxes.__init__(self)
        self.addSettingsArgs(edges.FlexSettings)
        self.buildArgParser("x", "y", "h")
        self.argparser.add_argument(
            "--r", action="store", type=float, default=10.0,
            help="radius of the corners")
        self.argparser.set_defaults(h=20)

    def render(self):
        x, y, r, h = self.x, self.y, self.r, self.h
        c2 = math.pi * h
        self.moveTo(r + self.thickness, self.thickness)
        self.edge(x - r)
        self.edges["X"](c2, y)
        self.edge(x - r)
        self.corner(90, r)
        self.edge(y - 2 * r)
        self.corner(90, r)
        self.edge(2 * x - 2 * r + c2)
        self.corner(90, r)
        self.edge(y - 2 * r)
        self.corner(90, r)



