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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#------------------------------------------------------------------------------
# Copyright 2008-2009 : François Sénéquier
# Email : francois.senequier@netcourrier.com
# This file is part of 'Theorie'.
#
# 'Theorie' 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
# any later version.
#
# 'Theorie' 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 'Theorie'. If not, see <http://www.gnu.org/licenses/>.
#------------------------------------------------------------------------------
import math
import pygtk
import gtk
import pango
from commun import *
import modele
from canvas_graphique import *
class CanvasQuadrant(CanvasGraphique):
def __dessiner(self, widget, event):
rec, lar, hau, dr, gc, pl, cm = self.get_contexte_graphique(widget)
dim = min(lar, hau)
pex, pey, lex, ley = self.centrer_partie((lar-dim)/2, (hau-dim)/2, dim, dim, self.rpx, self.rpy)
# dessin du cercle principal
tcp = 360*64
gc.set_foreground(self.atb)
dr.draw_arc(gc, True, pex, pey, lex, ley, 0, tcp)
gc.set_foreground(self.atn)
dr.draw_arc(gc, False, pex, pey, lex, ley, 0, tcp)
# calcul des coordonnes des 12 centre sur le cercle
nbr = modele.NOMBRE_NOTES_OCTAVE
lis = range(nbr)
dec = (2.0 * math.pi) / 12.0
ang = -math.pi / 2.0
pmx = lar / 2.0
pmy = hau / 2.0
lpc = []
lpr = []
for elt in lis:
psx = int(pmx + 0.5*lex * math.cos(ang))
psy = int(pmy + 0.5*ley * math.sin(ang))
lpc.append([psx, psy])
ang += dec
if self.deg[elt]:
lpr.append((psx,psy))
# trace du polygone avec couleur
gc.set_foreground(self.atj)
dr.draw_polygon(gc, True, lpr)
# trace des lignes entre chaque point
gc.set_foreground(self.atn)
lsi = range(nbr)
for pt1 in lsi:
lsf = range(pt1+1,nbr)
for pt2 in lsf:
if self.deg[pt1] and self.deg[pt2]:
dr.draw_line(gc, lpc[pt1][0], lpc[pt1][1], lpc[pt2][0], lpc[pt2][1])
# trace des points sur le cercle avec ou sans note/degre
lis = range(nbr)
gc.set_foreground(self.atn)
nbl = 3
ltx = int(lex / 5)
hty = int(ltx / 2)
dia = int(min(ltx,hty)/nbl)
ray = int(dia/2)
lsn = self.ens.getListe()
psn = 0
for ind in lis:
elt = lpc[ind]
if self.deg[ind]:
txt = " %s / %s " %(modele.LISTE_NOMS_DEGRES[ind], lsn[psn].getTexte(modele.MOD_NOT))
psn += 1
psx = elt[0]-ltx/2
psy = elt[1]-hty/2
self.tracer_rectangle_texte_centre(gc, dr, pl, self.atn, self.atb, psx, psy, ltx, hty, nbl, txt)
else:
gc.set_foreground(self.atn)
dr.draw_arc(gc, True, elt[0]-ray, elt[1]-ray, dia, dia, 0, tcp)
def setNotes(self, ens):
assert type(ens) == list or type(ens) in [unicode, str] or ens.__class__.__name__ == "Ensemble"
if ens.__class__.__name__ != "Ensemble" :
self.ens = modele.Ensemble("", ens)
else:
self.ens = ens
self.deg = [False] * modele.NOMBRE_NOTES_OCTAVE
lson = self.ens.getListe()
lson = map(lambda e:e.getNote(), lson)
lson = map(lambda e:e-lson[0], lson)
for ind in lson:
self.deg[ind] = True
self.queue_draw()
#----------------------------------------------------------------------
def __init__(self, lar = 600, hau = 200, ens = "", rpx = 0.80, rpy = 0.80):
"""
@param lar: largeur du canvas
@param hau: hauteur du canvas
@param rpx: partie horizontale de la zone utilisee
@param rpy: partie verticale de la zone utilisee
"""
super(CanvasQuadrant,self).__init__(lar, hau, rpx, rpy)
self.setNotes(ens)
self.refEVT = self.connect("expose-event", self.__dessiner)
self.show()
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