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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2012 S. Daniel Francis <francis@sugarlabs.org>
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
import logging
logger = logging.getLogger('staff')
class Beat:
clef = None
class Staff:
y = 0
lmarg = 0
rmarg = 0
spacing = 0
ymax = 0
def __init__(self, beat):
self.beats = []
self.beats.append(beat)
logger.debug(self.beats)
def draw(self, window, width):
context = window.cairo_create()
context.set_source_rgb(0, 0, 0)
context.set_line_width(2)
line_y = self.y + self.spacing * 2
for i in range(5):
x = self.lmarg
context.move_to(x, line_y)
context.line_to(width - self.rmarg, line_y)
line_y += self.spacing
self.ymax = line_y + self.spacing * 2
context.stroke()
context.clip()
self.draw_beats(window)
def draw_beats(self, window):
for beat in self.beats:
if beat.clef != None:
beat.clef.draw(window.cairo_create(),
self.lmarg * 1.1,
self.y,
self.spacing * 3,
self.ymax - self.y - self.spacing)
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