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#!/usr/bin/env python
#This python module is part of the Jam2Jam XO Activity, March, 2010
#
#Copyright (C) 2010 Thorin Kerr & Andrew Brown
#
#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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""Describes an object for storing parameter values.
All Controllers should write to this object.
All Readers should read from the object"""
import random
from CsHelpers import * #import global names and functions
class Instrument():
def __init__(self, name, x = 0, y = 0, w = 0, h = 0):
self.name = name
self.lastRect = pygame.Rect(x,y,w,h)
self.Rect = pygame.Rect(x,y,w,h)
self.image = None
self.active_image = None
self.inactive_image = None
self.Touch = False
self.active = False
def loadImage(self, path, *scale):
img = pygame.image.load(path)
if scale:
img = pygame.transform.scale(img, int(img.get_width() * scale[0]), int(img.get_height() * scale[-1]))
img = img.convert_alpha()
self.active_image = img
self.Rect.size = img.get_size()
self.lastRect.size = img.get_size()
imgcopy = self.active_image.copy()
imgcopy.fill((255,5,55) , None, pygame.BLEND_MIN)
imgcopy.fill((75,75,75) , None, pygame.BLEND_ADD)
self.inactive_image = imgcopy
self.deactivate()
def activate(self):
self.image = self.active_image
self.active = True
self.Touch = True
def deactivate(self):
self.image = self.inactive_image
self.active = False
self.Touch = True
def x(self):
return self.Rect[0]
def y(self):
return self.Rect[1]
def lastCtr(self):
return self.lastRect.center
def ctr(self):
return self.Rect.center
def __setattr__(self, attr, value):
if attr == 'x':
self.lastRect[0] = self.Rect[0]
self.Rect[0] = value
self.Touch = True
elif attr == 'y':
self.lastRect[1] = self.Rect[1]
self.Rect[1] = value
self.Touch = True
elif attr == 'ctr':
self.lastRect[0] = self.Rect[0]
self.lastRect[1] = self.Rect[1]
self.Rect.center = value
self.Touch = True
else:
self.__dict__[attr] = value
def __repr__(self):
return ''.join(map(str, [self.name, " Instrument at location ", (self.x(), self.y())]))
class Parameter():
def __init__(self, name):
self.name = name
self.Instrumentvalues = [[Instrument(ins), 0.5] for ins in INAMES]
self.state = False
self.active = False
self.correspondant = None
def getValue(self, insname):
for ndx in range(len(self.Instrumentvalues)):
if self.Instrumentvalues[ndx][0].name == insname:
return self.Instrumentvalues[ndx][1]
def setValue(self, ins, val):
ndx = [i[0].name for i in self.Instrumentvalues].index(ins)
self.Instrumentvalues[ndx][1] = val
def __repr__(self):
return self.name
class Perimeter():
def __init__(self):
self.data = {}
for n in PNAMES:
self.data[n] = Parameter(n)
csoundChannels = []
def csoundChannels(self, cs):
self.csound = cs
self.csoundChannels = cs.Channels
def getValue(self, name, instrument):
return self.data[name].getValue(instrument)
def setValue(self, name, instrument, value):
if name == 'Tempo':
for i in self.data['Tempo'].Instrumentvalues:
i[1] = value
else:
self.data[name].setValue(instrument, value)
namelen = len(name)
if len(self.csoundChannels) > 0:
for ch in self.csoundChannels:
param = ch.name[-namelen:]
if param == name:
ins = ch.name[:-len(param)]
if (ins == instrument and
(ch.direction == "input" or "bidirectional") and
ch.type == "Control"):
self.csound.setChannelValue(ch.name, value)
def getPlist(self):
"returns a list of all parameters"
return self.data.values()
def getPdict(self):
return self.data
if __name__ == '__main__':
P = Perimeter()
print "Value for Drum density is :", P.getValue('Density', 'Drums')
print "setting new value"
P.setValue('Density', 'Drums', 0.75)
print "Value for Drum density is :", P.getValue('Density', 'Drums')
c = check(P)
c.setp(0.9)
c.getp()
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