LJ/libs3/lj.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# -*- mode: Python -*-

'''

lj v0.7.6 for LJ v0.8+

LJ functions (API) for python plugins/clients 

"layers" version : 
- "PL" has been replaced by "layer"
- "Client"

Each program using this API to manage complexity, should declare itself by calling Config, but it's not mandatory

Config(redisIP, client number, name) 


Basic Draw :

- PolyLineOneColor, rPolyLineOneColor, LineTo, Line
- PolyLineRGB, rPolyLineRGB, LineRGBTo, LineRGB
- rgb2int(r,g,b)
- Drawlayer (point list number) : once you stacked all wanted elements, like 2 polylines, send them to lasers.
- DrawDests():                Draw all requested destinations for each layer .

High level draw :

- Text(word, zpos, integercolor, layer , xpos, ypos, resize, rotx, roty, rotz) : Display a word
- TextRGB(word, zpos, red, green, blue, ...)
- Embeded font1


Laser objects (name and convenient group of parameters for one or several point lists)

- RelativeObject
- FixedObject

"Destinations" : Tell for given Layer a scene/Laser ("destination"). 
Each Layer can have different destination (i.e to display same stuff on different laser)

Redis :
- fromKey(keyname)                          Ask redis for a given key
- toKey(keyname,keyvalue)                   Write to redis key 

OSC and plugins functions :

SendLJ(adress,message)                      LJ remote control. See commands.py
SendResol(address,message)                  Send OSC message to Resolume.
WebStatus(message)                          display message on webui
SendIntensity(laser, intensity)
Sendkpps(laser, kpps)

Ljscene(client)                             Change scene number in redis keys
Ljlayer(layer)                              Change layer number in redis keys = laser target.
ClosePlugin(name)                           Send UI closing info of given plugin

OSCstart()                                  Start the OSC system.
OSCframe()                                  Handle incoming OSC message. Calling the right callback
OSCstop()                                   Properly close the OSC system
OSCping()                         /ping     Answer to LJ pings by sending /pong name
OSCquit()                         /quit     Exit calling script using name in terminal
OSCadddest(layer, scene, laser)             Add a destination 
OSCdeldest(layer , scene, laser)            Delete a destination
OSCobj()                          /name/obj objectname attribute value    for automation
OSCvar()                          /name/var variablename value            for automation
OSCdebug()

** Joystick management is removed. Get it back in todolist **

setup_controls(joystick) 

XboxController       getLeftHori, getLeftVert, getRightHori, getRightVert, getLeftTrigger, getRightTrigger
Ps3Controller        getLeftHori, getLeftVert, getRightHori, getRightVert, getLeftTrigger, getRightTrigger, getUp, getDown, getLeft, getRight, getFire1, getFire2(self):
MySaitekController   getLeftHori,getLeftVert, getRightHori,getRightVert, getLeftTrigger,getRightTrigger
MyThrustController   getLeftHori, getLeftVert, getRightHori, getRightVert, getLeftTrigger, getRightTrigger
CSLController        getLeftHori,getLeftVert,getRightHori, getRightVert,getLeftTrigger,getRightTrigger,getFire1,getFire2
my USB Joystick      getUp,getDown,getLeft,getRight,etLeftTrigger, getRightTrigger,getFire1, getFire2



Class management manuals:

https://stackoverflow.com/questions/739882/iterating-over-object-instances-of-a-given-class-in-python
https://stackoverflow.com/questions/8628123/counting-instances-of-a-class
http://effbot.org/pyfaq/how-do-i-get-a-list-of-all-instances-of-a-given-class.htm


LICENCE : CC
Sam Neurohack

'''

import math
import redis
import sys
import weakref
import struct
import numpy as np
import gstt
from multiprocessing import Process, Queue, TimeoutError 

is_py2 = sys.version[0] == '2'
if is_py2:
    from OSC import OSCServer, OSCClient, OSCMessage
    #print ("Importing lj23 and OSC from libs...")
else:
    from OSC3 import OSCServer, OSCClient, OSCMessage
    #print ("Importing lj23 and OSC3 from libs...")


#redisIP = '127.0.0.1'
#r = redis.StrictRedis(host=redisIP, port=6379, db=0)

ClientNumber = 0
name = "noname"
oscrun = True
point_list = []
layers = [[],[],[],[],[],[],[],[],[],[]]

fft3Groups = [-1,-1,-1,-1]

Dests = dict()

oscIPresol = "127.0.0.1"
oscPORTresol = 7000

# 3D to 2D projection parameters
fov = 256
viewer_distance = 100


'''

 Laser "objects"


 set a name and convenient group of parameters for one or several point lists
 
 RelativeObject is for point lists around 0,0 with builtin move/rotation.

 How to init with object color, xpos,... :
 osciObj = lj.RelativeObject('osciObj', True, 255, [], white, red, green,blue,0 , False, centerX , centerY , 1 , Xrot , Yrot , Zrot)
 How to use in drawing functions : you're free to use 0, some or all of any laserobject attributes 
 - draw one or several pointlists with 'A' laserobject color and 'B' laserobject xpos ypos ?
 - Change color of 'main' object and all other objects using it will change also
 how to change attribute :
 osciObj.resize = 2 or /pluginame/change 'OsciObj' 'resize' 2

'''

class RelativeObject:

    kind = 'relative'
    counter = 0

    def __init__(self, name, active, intensity, xy, color, red, green, blue, layer , closed, xpos , ypos , resize , rotx , roty , rotz):
        self.name = name
        self.active = active    # True/False
        self.intensity = intensity
        self.xy = []             # Dots list
        self.color = color      # RGB color in int
        self.red = red
        self.green = green
        self.blue = blue
        self.layer = layer 
        self.closed = closed
        self.xpos = xpos
        self.ypos = ypos
        self.resize = resize
        self.rotx = rotx
        self.roty = roty
        self.rotz = rotz

        RelativeObject.counter += 1
        #type(self).counter += 1

    def __del__(self):
        RelativeObject.counter -= 1


# Fixed Laser object : point list in 'pygame' space (top left = 0,0 / bottom right)
class FixedObject:

    kind = 'fixed'
    counter = 0

    def __init__(self, name, intensity, active, xy, color, red, green, blue, layer , closed):
        self.name = name
        self.active = active    # True/False
        self.intensity = intensity
        self.xy = []
        self.color = color
        self.red = red
        self.green = green
        self.blue = blue
        self.layer = layer 
        self.closed = closed

        FixedObject.counter += 1

    def __del__(self):
        FixedObject.counter -= 1

'''

class IterDest(type):
    def __new__ (cls, name, bases, dct):
        dct['_instances'] = []
        return super().__new__(cls, name, bases, dct)
 
    def __call__(cls, *args, **kwargs):
        instance = super().__call__(*args, **kwargs)
        cls._instances.append(instance)
        return instance
 
    def __iter__(cls):
        return iter(cls._instances)

class DestObject():

# class Destinations(metaclass=IterDest):
    __metaclass__ = IterDest
    counter = 0
    def __init__(self, name, number, active, layer , scene, laser):
        self.name = name
        self.number = number
        self.active = active
        self.layer = layer 
        self.scene = scene
        self.laser = laser

        DestObject.counter += 1

    def __del__(self):
        DestObject.counter -= 1
'''
class DestObject():

# class Destinations(metaclass=IterDest):
    _instances = set()
    counter = 0

    def __init__(self, name, number, active, layer , scene, laser):
        self.name = name
        self.number = number
        self.active = active
        self.layer = layer 
        self.scene = scene
        self.laser = laser
        self._instances.add(weakref.ref(self))
        DestObject.counter += 1

    @classmethod
    def getinstances(cls):
        dead = set()
        for ref in cls._instances:
            obj = ref()
            if obj is not None:
                yield obj
            else:
                dead.add(ref)
        cls._instances -= dead


    def __del__(self):
        DestObject.counter -= 1



def Config(redIP,client,myname):
    global ClientNumber, name, redisIP, r

    redisIP = redIP
    r = redis.StrictRedis(host=redisIP, port=6379, db=0)    
    
    # ClientNumber 255 are not drawing anything like artnet
    ClientNumber = client
    #print ("client configured",ClientNumber)
    name = myname
    print ("lj : Plugin declare its name :",name)
    #print layer 
    return r


def LjClient(client):
    global ClientNumber

    ClientNumber = client



def Ljlayer(somelayer):
    global layer 

    layer = somelayer 


def fromRedis(n):

   encoded = r.get(n)
   #print("")
   #print('fromredis key',n,":",encoded)
   h, w = struct.unpack('>II',encoded[:8])
   #print("fromredis array size",n,":",h,w)
   a = np.frombuffer(encoded, dtype=np.int16, offset=8).reshape(h,w)
   #print("fromredis array",n,":",a)
   return a

# Store Numpy array 'a' in Redis key 'n'
# Write also in redis key 'a' numpy array, its 2 dimensions size : h time w values
def toRedis(n,a):

   #print("array.shape", a.shape, len(a.shape) )
   if len(a.shape) == 1:
        h = a.shape[0]
        w = 1
   else:
        h,w = a.shape
   #print("toredis", n,"h",h,"w",w,"a",a)
   shape = struct.pack('>II',h,w)

   #shape = struct.pack('>II',len(a),1)
   #print("toredis",n,a)
   encoded = shape + a.tobytes()

   # Store encoded data in Redis
   return r.set(n,encoded)

# Ask redis for a given key
def fromKey(keyname):

   return r.get(keyname)

# 
# Write to redis key 
def toKey(keyname,keyvalue):

   # Store encoded data in Redis
   return r.set(keyname,keyvalue)


#
# OSC functions
# 

# OSC clients

def SendLJ(oscaddress,oscargs=''):
        
    oscmsg = OSCMessage()
    oscmsg.setAddress(oscaddress)
    oscmsg.append(oscargs)
    
    osclientlj = OSCClient()
    osclientlj.connect((redisIP, 8002)) 
    #print("lj for", name, "sending OSC message :", oscmsg, "to", redisIP, ":8002")
    
    if gstt.debug >0:
        print("lj for", name, "sending OSC message :", oscmsg, "to", redisIP, ":8002")

    try:
        osclientlj.sendto(oscmsg, (redisIP, 8002))
        oscmsg.clearData()
    
    except:
        print ('Connection to LJ refused : died ?')
        pass
    #time.sleep(0.001



#  Resolume OSC Arena client.
# sendresol(oscaddress, [arg1, arg2,...])
# example : sendresol("/noteon",note)

def SendResol(oscaddress,oscargs):

    oscmsg = OSCMessage()
    oscmsg.setAddress(oscaddress)
    oscmsg.append(oscargs)
    
    osclientresol = OSCClient()
    osclientresol.connect((oscIPresol, oscPORTresol)) 

    print("lj sending OSC message : ", oscmsg, "to Resolume", oscIPresol, ":", oscPORTresol)
    try:
        osclientresol.sendto(oscmsg, (oscIPresol, oscPORTresol))
        oscmsg.clearData()
    except:
        print ('Connection to Resolume refused : died ?')
        pass


def SendIntensity(laser, intensity):
    r.set('/intensity/' + str(laser), str(intensity))
    r.set('/order/'+str(laser), 6)
    SendLJ("/kpps/" + str(layer)+ " " + str(int(args[1])))


def Sendkpps(laser, kpps):
    r.set('/kpps/' + str(laser), str(kpps))
    r.set('/order/'+str(laser), 7)


def WebStatus(message):
    SendLJ("/status", message)


# Closing plugin messages to LJ
def ClosePlugin():
    WebStatus(name+" Exiting")
    SendLJ("/"+name+"/start",0)




# RAW OSC Frame available ? 
def OSCframe():
    # clear timed_out flag
    #print "oscframe"
    oscserver.timed_out = False
    # handle all pending requests then return
    while not oscserver.timed_out:
        oscserver.handle_request()

# Answer to LJ pings with /pong value
def OSCping(path, tags, args, source):
#def OSCping():
    if gstt.debug >0:
        print(name, "lj got /ping from LJ -> reply /pong", name)
    SendLJ("/pong",name)


# Properly close the system. 
def OSCstop():
    oscserver.close()

# change debug level (0-2) 
def OSCdebug(path, tags, args, source):
    print("new debug level", args[0] )
    gstt.debug = int(args[0])

# /quit
def OSCquit(path, tags, args, source):
    global oscrun

    oscrun = False
    print('lj got /quit for',name)
    #WebStatus(name + " quit.")
    #SendLJ("/"+name+"/start",0)
    #print("Stopping OSC...")
    #OSCstop()
    #sys.exit()


# default handler
def OSChandler(path, tags, args, source):

    oscaddress = ''.join(path.split("/"))
    print("lj Default OSC Handler for",name,": msg from Client :" + str(source[0]),)
    print("OSC address", path)
    if len(args) > 0:
        print("with args", args)

    #oscIPout = str(source[0])
    #osclient.connect((oscIPout, oscPORTout))


# for any laser object : /pluginame/obj objectname attribute value 
# like : /pluginname/obj 'fft' 'xpos' 100
# attributes for all lj Objects:  name,  xy_list, c, layer 
# + for RelativeObjects : closed, xpos , ypos , resize , rotx , roty , rotz
def OSCobj(path, tags, args, source):

    obj = eval(args[0]+"."+ args[1])
    obj = args[2]


def OSCvar(path, tags, args, source):

    obj = eval(args[0])
    obj = args[1]


def addOSCdefaults(server):
    global oscserver

    oscserver = server
    oscserver.addMsgHandler( "default", OSChandler )
    oscserver.addMsgHandler( "/ping", OSCping)
    oscserver.addMsgHandler( "/quit", OSCquit)
    oscserver.addMsgHandler( "/debug", OSCdebug)
    oscserver.addMsgHandler( "/"+ name + "/adddest", OSCadddest)
    oscserver.addMsgHandler( "/"+ name + "/deldest", OSCdeldest)
    oscserver.addMsgHandler( "/"+ name + "/dest", OSCdest)
    oscserver.addMsgHandler( "/"+ name + "/obj", OSCobj)
    oscserver.addMsgHandler( "/"+ name + "/var", OSCvar)



# 
# Color functions
#

# input hexcode = '0xff00ff'
def hex2rgb(hexcode):

    hexcode = hexcode[2:]
    return tuple(int(hexcode[i:i+2], 16) for i in (0, 2, 4))
    #return tuple(map(ord,hexcode[1:].decode('hex')))

# input rgb=(255,0,255) output '0xff00ff'
#def rgb2hex(rgb):
#    return '0x%02x%02x%02x' % tuple(rgb)

def rgb2hex(r, g, b):
    return hex((r << 16) + (g << 8) + b)


#def rgb2int(rgb):
#    return int('0x%02x%02x%02x' % tuple(rgb),0)

def rgb2int(r,g,b):
    return int('0x%02x%02x%02x' % (r,g,b),0)

def int2rgb(intcode):
    #hexcode = '0x{0:06X}'.format(intcode)
    hexcode = '{0:06X}'.format(intcode)
    return tuple(int(hexcode[i:i+2], 16) for i in (0, 2, 4))



#
# Drawing basic functions
# 

# Lines
def Line(xy1, xy2, c, layer ):
    LineTo(xy1, 0, layer )
    LineTo(xy2, c , layer )

def rLine(xy1, xy2, c, layer ,  xpos = 0, ypos =0, resize =0.7, rotx =0, roty =0 , rotz=0):
    rLineTo(xy1, 0, layer )
    rLineTo(xy2, c , layer )

def LineRGB(xy1, xy2, red,green,blue, layer ):

    LineTo(xy1, 0, layer )
    LineTo(xy2,  int('0x%02x%02x%02x' % (red,green,blue),0) , layer )


# Lineto
def LineTo(xy, c, layer ):
 
    layers[layer].append((xy + (c,)))

def LineRGBTo(xy, red, green, blue, layer ):
 
    LineTo(xy, int('0x%02x%02x%02x' % (red,green,blue),0), layer )   

def rLineTo(xy, c, layer , xpos = 0, ypos =0, resize =0.7, rotx =0, roty =0 , rotz=0):

    layers[layer ].append((Pointransf(xy, xpos, ypos, resize, rotx, roty, rotz) + (c,)))


# Polylines
def PolyLineOneColor(xy_list, c, layer , closed ):
    #print "--"
    #print "c",c
    #print "xy_list",xy_list
    #print "--"
    xy0 = None      
    for xy in xy_list:
        if xy0 is None:
            xy0 = xy
            #print "xy0:",xy0
            LineTo(xy0,0, layer )
            LineTo(xy0,c, layer )
        else:
            #print "xy:",xy
            LineTo(xy,c, layer )
    if closed:
        LineTo(xy0,c, layer )

def PolyLineRGB(xy_list, red, green, blue, layer , closed ):

    PolyLineOneColor(xy_list, int('0x%02x%02x%02x' % (red,green,blue),0), layer , closed )


# rPolylines
# Send 2D point list around 0,0 with 3D rotation resizing and reposition around xpos ypos
#def rPolyLineOneColor(self, xy_list, c, layer , closed, xpos = 0, ypos =0, resize =1, rotx =0, roty =0 , rotz=0):
def rPolyLineOneColor(xy_list, c, layer , closed, xpos = 0, ypos =0, resize =0.7, rotx =0, roty =0 , rotz=0):
    xy0 = None      
    for xy in xy_list:
        if xy0 is None:
            xy0 = xy
            #if xy == (338.8, -20, 16777215) or xy == (338.8, -20, 255):
            #    print(xy, xy0, xpos, ypos, resize, rotx, roty, rotz, Pointransf(xy0, xpos, ypos, resize, rotx, roty, rotz))
            LineTo(Pointransf(xy0, xpos, ypos, resize, rotx, roty, rotz), 0, layer )
            LineTo(Pointransf(xy0, xpos, ypos, resize, rotx, roty, rotz), c, layer )
        else:
            LineTo(Pointransf(xy, xpos, ypos, resize, rotx, roty, rotz), c, layer )
    if closed:
        LineTo(Pointransf(xy0, xpos, ypos, resize, rotx, roty, rotz), c, layer )

def rPolyLineRGB(xy_list, red, green, blue, layer , closed, xpos = 0, ypos =0, resize =0.7, rotx =0, roty =0 , rotz=0):
     
     rPolyLineOneColor(xy_list, int('0x%02x%02x%02x' % (red,green,blue),0), layer , closed, xpos = 0, ypos =0, resize =0.7, rotx =0, roty =0 , rotz=0)
 


# Computing points coordinates for rPolyline function from 3D and around 0,0 to pygame coordinates
def Pointransf(xy, xpos = 0, ypos =0, resize =1, rotx =0, roty =0 , rotz=0):

        x = xy[0] * resize
        y = xy[1] * resize
        z = xy[2] * resize

        rad = math.radians(rotx)
        cosaX = math.cos(rad)
        sinaX = math.sin(rad)

        y2 = y
        y = y2 * cosaX - z * sinaX
        z = y2 * sinaX + z * cosaX

        rad = math.radians(roty)
        cosaY = math.cos(rad)
        sinaY = math.sin(rad)

        z2 = z
        z = z2 * cosaY - x * sinaY
        x = z2 * sinaY + x * cosaY

        rad = math.radians(rotz)
        cosZ = math.cos(rad)
        sinZ = math.sin(rad)

        x2 = x
        x = x2 * cosZ - y * sinZ
        y = x2 * sinZ + y * cosZ

        #print("transf",xy, (x + xpos,y+ ypos))
        factor = resize / (10*(viewer_distance + z))
        #print("resize", resize, "z", z, "factor", factor)
        #print("perspec", xy, (x * factor) + xpos, (- y * factor)+ ypos)
        #print()
        return ((x * factor) + xpos, (y * factor)+ ypos)
        #return (x + xpos, y + ypos)

        #to understand why it get negative Y
        """ Transforms this 3D point to 2D using a perspective projection. """
        factor = fov / (viewer_distance + z)
        print("z", z, "factor", factor)
        #x = (x * factor)
        #y = (- y * factor) 
        print("perspec", xy, (x * factor) + xpos, (- y * factor)+ ypos)
        print()
        return (x + xpos, y + ypos)
        #return (x, y)


def Lineslayer(layer):
    print("Stupido !! your code is to old : use Drawlayer() instead of LinesPL()")
    Drawlayer(layer )


def Draw(layer):
    #print '/pl/0/'+str(layer), str(layers[layer])
    if r.set('/pl/'+str(ClientNumber)+'/'+str(layer), str(layers[layer])) == True:
        #print '/pl/'+str(ClientNumber)+'/'+str(layer), str(layers[layer])
        layers[layer] = []
        return True
    else:
        return False

def Resetlayer(self, layer):
    layers[layer] = []


# 
#  "Destinations" management for layers
#


# Add a destination for a given layer
def Addest(layer, scene, laser):

    print (name,'adding',layer,scene,laser,'?')
    if Findest(layer, scene, laser) == -1:
        newdest = DestsObjects.counter + 1
        Dest0 = lj.DestObject(str(newdest), newdest, True, layer , scene, laser)
        print("New destination added with number", newdest)
    else:
        print("Destination already existed")


# OSC add a destination for a given layer 
# /pluginame/dest layer, scene, laser  
def OSCadddest(path, tags, args, source):

    Addests(int(args[0]),int(args[1]),int(args[2]))


# Find layer destination with its parameters in destinations dictionnary
def Findest(layer, scene, laser):

    print(name, 'searching layer,scene,laser',layer,scene,laser)
    for item in DestObjects.getinstances():
        #print(item)
        if item.layer == layer and item.scene == scene and item.laser == laser:
            #Dests.append(item[0])
            print('found number',item.number)
            return item.number
        else:
            print('no destination found')
            return -1
    '''
    #Dests = list()
    allDests = Dests.items()
    for item in allDests:
        print(item)
        if item[1] == layer and item[2] == scene and item[3] == laser:
            #Dests.append(item[0])
            return Dests[item[0]]
        else:
            return -1
    '''

# Find and remove a layer destination with its parameters in destinations dictionnary
def Deldest(layer, scene, laser):

    Destnumber = Findest(layer, scene, laser)
    print(name,'deleting Destination layer, scene, laser', layer,scene, laser)

    if Destnumber != -1:
        print('found DestObject', Destnumber)
        delattr(DestObjects, str(Destnumber))
        print("Destination", Destnumber,"was removed")
    else:
        print("Destination was not found")


# OSC Delete a destination for a given layer
# /pluginame/deldests layer, scene, laser  
def OSCdeldest(path, tags, args, source):

    Deldests(args[0], args[1], args[2])


# pluginame/dest layer, scene, laser  
def OSCdest(path, tags, args, source):

    # For single layer plugin : add a new destination 
    Addest(0, args[0], args[1])

    # For single layer plugin : remove a destination 

    # For multiple layers plugin : add or remove 


# Replace Drawlayer if Destinations paradigm is implemented in plugin code
def DrawDests():

    # Objects style

    #print("DrawDest")

    for destination in DestObject.getinstances():

        #print(Dests[str(destination)])
        #print('/pl/'+str(Dests[str(destination)]["scene"])+'/'+str(Dests[str(destination)]["laser"]), ":", str(layers[Dests[str(destination)]["PL"]]))
        #print(len(layers[destination.layer]))
        if destination.active == True:
           if r.set('/pl/'+str(destination.scene)+'/'+str(destination.laser), str(layers[destination.layer])) == True:
               #print ('layer', destination.layer, '/pl/'+str(destination.scene)+'/'+str(destination.laser), str(layers[destination.layer]))
               pass
           else:
               print('Redis key modification failed')
    
    # Maybe one layer can be sent to multiple destination so they are all reset *after* all sending. 
    for layerss in range(4):

        layers[layerss] = []

    '''
    # Dictionnary style
    
    #print(Dests)
    for destination in range(len(Dests)):
        #print(Dests[str(destination)])
        #print('/pl/'+str(Dests[str(destination)]["scene"])+'/'+str(Dests[str(destination)]["laser"]), ":", str(layers[Dests[str(destination)]["layer"]]))
        if r.set('/pl/'+str(Dests[str(destination)]["scene"])+'/'+str(Dests[str(destination)]["laser"]), str(layers[Dests[str(destination)]["layer"]])) == True:
            #print '/pl/'+str(ClientNumber)+'/'+str(layer), str(layers[layer])
            pass
        else:
            print('Redis key modification failed')
    
    # Maybe one layer can be sent to multiple destination so they are all reset *after* all sending. 
    for destination in range(len(Dests)):

        layers[Dests[str(destination)]["layer"]] = []
    '''
'''
scenes = 4

def DrawDestslayer(layer):
    
    for scene in range(scenes):

        if Dests[laser]["scene"] != -1:
            if r.set('/pl/'+str(Dests[laser]["scene"])+'/'+str(Dests[laser]["laser"]), str(layers[Dests[laser]["laser"]])) == True:
            if r.set('/pl/'+str(ClientNumber)+'/'+str(layer), str(layers[layer])) == True:
                #print '/pl/'+str(ClientNumber)+'/'+str(layer), str(layers[layer])
                layers[Dests[laser]["laser"]] = []
                return True
            else:
                return False

'''

#
# High level drawing functions
# 


# Font1


ASCII_GRAPHICS = [

#implementé

    [(-50,30), (-30,-30), (30,-30), (10,30), (-50,30)],                         # 0
    [(-20,30), (0,-30), (-20,30)],                                              # 1
    [(-30,-10), (0,-30), (30,-10), (30,0), (-30,30), (30,30)],                  # 2
    [(-30,-30), (0,-30), (30,-10), (0,0), (30,10), (0,30), (-30,30)],           # 3
    [(30,10), (-30,10), (0,-30), (0,30)],                                       # 4
    [(30,-30), (-30,-30), (-30,0), (0,0), (30,10), (0,30), (-30,30)],           # 5
    [(30,-30), (0,-30), (-30,-10), (-30,30), (0,30), (30,10), (30,0), (-30,0)], # 6
    [(-30,-30), (30,-30), (-30,30)],                                            # 7
    [(-30,30), (-30,-30), (30,-30), (30,30), (-30,30), (-30,0), (30,0)],        # 8
    [(30,0), (-30,0), (-30,-10), (0,-30), (30,-30), (30,10), (0,30), (-30,30)], # 9

# A implementer 
    [(-30,10), (30,-10), (30,10), (0,30), (-30,10), (-30,-10), (0,-30), (30,-10)], #:
    [(-30,-10), (0,-30), (0,30)], [(-30,30), (30,30)],                          # ;
    [(-30,-10), (0,-30), (30,-10), (30,0), (-30,30), (30,30)],                  # <
    [(-30,-30), (0,-30), (30,-10), (0,0), (30,10), (0,30), (-30,30)],           # =
    [(30,10), (-30,10), (0,-30), (0,30)],                                       # >
    [(30,-30), (-30,-30), (-30,0), (0,0), (30,10), (0,30), (-30,30)],           # ?
    [(30,-30), (0,-30), (-30,-10), (-30,30), (0,30), (30,10), (30,0), (-30,0)], # @

# Implementé 65-90

    [(-30,30), (-30,-30), (30,-30), (30,30), (30,0), (-30,0)],              # A
    [(-30,30), (-30,-30), (30,-30), (30,30), (30,0), (-30,0)],              # A
    [(-30,30), (-30,-30), (30,-30), (30,30), (-30,30), (-30,0), (30,0)],    # B
    [(30,30), (-30,30), (-30,-30), (30,-30)],                               # C
    [(-30,30), (-30,-30), (30,-30), (30,30), (-30,30)],                     # D
    [(30,30), (-30,30), (-30,-0), (30,0), (-30,0), (-30,-30), (30,-30)],    # E
    [(-30,30), (-30,-0), (30,0), (-30,0), (-30,-30), (30,-30)],             # F
    [(0,0), (30,0), (30,30), (-30,30), (-30,-30),(30,-30)],                 # G
    [(-30,-30), (-30,30), (-30,0), (30,0), (30,30), (30,-30)],              # H
    [(0,30), (0,-30)],                                                      # I
    [(-30,30), (0,-30), (0,-30), (-30,-30), (30,-30)],                      # J
    [(-30,-30), (-30,30), (-30,0), (30,-30), (-30,0), (30,30)],             # K
    [(30,30), (-30,30), (-30,-30)],                                         # L
    [(-30,30), (-30,-30), (0,0), (30,-30), (30,30)],                        # M
    [(-30,30), (-30,-30), (30,30), (30,-30)],                               # N
    [(-30,30), (-30,-30), (30,-30), (30,30), (-30,30)],                     # O
    [(-30,0), (30,0), (30,-30), (-30,-30), (-30,30)],                       # P
    [(30,30), (30,-30), (-30,-30), (-30,30), (30,30),(35,35)],              # Q
    [(-30,30), (-30,-30), (30,-30), (30,0), (-30,0), (30,30)],              # R
    [(30,-30), (-30,-30), (-30,0), (30,0), (30,30), (-30,30)],              # S
    [(0,30), (0,-30), (-30,-30), (30,-30)],                                 # T
    [(-30,-30), (-30,30), (30,30), (30,-30)],                               # U
    [(-30,-30), (0,30), (30,-30)],                                          # V
    [(-30,-30), (-30,30), (0,0), (30,30), (30,-30)],                        # W
    [(-30,30), (30,-30), (-30,-30), (30,30)],                               # X
    [(0,30), (0,0), (30,-30), (0,0), (-30,-30)],                            # Y
    [(30,30), (-30,30), (30,-30), (-30,-30)],                               # Z
    
# A implementer 

    [(-30,-10), (0,-30), (0,30)], [(-30,30), (30,30)],                      # [
    [(-30,-10), (0,-30), (30,-10), (30,0), (-30,30), (30,30)],              # \
    [(-30,-30), (0,-30), (30,-10), (0,0), (30,10), (0,30), (-30,30)],       # ]
    [(30,10), (-30,10), (0,-30), (0,30)],                                   # ^
    [(30,-30), (-30,-30), (-30,0), (0,0), (30,10), (0,30), (-30,30)],       # _
    [(30,-30), (0,-30), (-30,-10), (-30,30), (0,30), (30,10), (30,0), (-30,0)], # `
    
# Implementé 97-122
    
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # a
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20), (-20,0), (20,0)],    # b
    [(20,20), (-20,20), (-20,-20), (20,-20)],                               # c
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20)],                     # d
    [(20,20), (-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],    # e
    [(-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],             # f
    [(0,0), (20,0), (20,20), (-20,20), (-20,-20),(20,-20)],                 # g
    [(-20,-20), (-20,20), (-20,0), (20,0), (20,20), (20,-20)],              # h
    [(0,20), (0,-20)],                                                      # i
    [(-20,20), (0,-20), (0,-20), (-20,-20), (20,-20)],                      # j
    [(-20,-20), (-20,20), (-20,0), (20,-20), (-20,0), (20,20)],             # k
    [(20,20), (-20,20), (-20,-20)],                                         # l
    [(-20,20), (-20,-20), (0,0), (20,-20), (20,20)],                        # m
    [(-20,20), (-20,-20), (20,20), (20,-20)],                               # n
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20)],                     # o
    [(-20,0), (20,0), (20,-20), (-20,-20), (-20,20)],                       # p
    [(20,20), (20,-20), (-20,-20), (-20,20), (20,20),(25,25)],              # q
    [(-20,20), (-20,-20), (20,-20), (20,0), (-20,0), (20,20)],              # r
    [(20,-20), (-20,-20), (-20,0), (20,0), (20,20), (-20,20)],              # s
    [(0,20), (0,-20), (-20,-20), (20,-20)],                                 # t
    [(-20,-20), (-20,20), (20,20), (20,-20)],                               # u
    [(-20,-20), (0,20), (20,-20)],                                          # v
    [(-20,-20), (-20,20), (0,0), (20,20), (20,-20)],                        # w
    [(-20,20), (20,-20)], [(-20,-20), (20,20)],                             # x
    [(0,20), (0,0), (20,-20), (0,0), (-20,-20)],                            # y
    [(20,20), (-20,20), (20,-20), (-20,-20)],                               # z

    # A implementer 
    [(-2,15), (2,15)],                                                       # Point a la place de {
    [(-30,-10), (0,-30), (0,30)], [(-30,30), (30,30)],                      # |
    [(-30,-10), (0,-30), (30,-10), (30,0), (-30,30), (30,30)],              # }
    [(-30,-30), (0,-30), (30,-10), (0,0), (30,10), (0,30), (-30,30)],       # 
    [(30,10), (-30,10), (0,-30), (0,30)],                                   # DEL

    # Accents 128-151 a implementer
    [(30,30), (-30,30), (-30,-30), (30,-30)],                               # C
    [(-20,-20), (-20,20), (20,20), (20,-20)],                               # û
    [(20,20), (-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],    # é
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # â
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # ä
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # a
    [(20,20), (-20,20), (-20,-20), (20,-20)],                               # c
    [(20,20), (-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],    # é
    [(20,20), (-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],    # é
    [(20,20), (-20,20), (-20,-0), (20,0), (-20,0), (-20,-20), (20,-20)],    # é
    [(0,20), (0,-20)],                                                      # i
    [(0,20), (0,-20)],                                                      # i
    [(0,20), (0,-20)],                                                      # i
    [(-30,30), (-30,-30), (30,-30), (30,30), (30,0), (-30,0)],              # A
    [(-30,30), (-30,-30), (30,-30), (30,30), (30,0), (-30,0)],              # A
    [(30,30), (-30,30), (-30,-0), (30,0), (-30,0), (-30,-30), (30,-30)],    # E
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # a
    [(-20,20), (-20,-20), (20,-20), (20,20), (20,0), (-20,0)],              # a
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20)],                     # o
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20)],                     # o
    [(-20,20), (-20,-20), (20,-20), (20,20), (-20,20)],                     # o
    [(-20,-20), (-20,20), (20,20), (20,-20)],                               # u
    [(-20,-20), (-20,20), (20,20), (20,-20)]                                # u

]


def DigitsDots(number,color):
    dots =[]
    for dot in ASCII_GRAPHICS[number]:
        #print dot
        dots.append((gstt.xy_center[0]+dot[0],gstt.xy_center[1]+dot[1],color))
        #self.point_list.append((xy + (c,)))
    return dots

def CharDots(char,color):

    dots =[]
    for dot in ASCII_GRAPHICS[ord(char)-46]:
        dots.append((dot[0],dot[1],color))
    return dots

def Text(message, zpos, c, layer, xpos, ypos, resize, rotx, roty, rotz):

    dots =[]

    l = len(message)
    i= 0
    #print()
    # print (message)
    
    for ch in message:
        
        #print ""
        # texte centre en x automatiquement selon le nombre de lettres l
        x_offset = 26 * (- (0.9*l) + 3*i)
        # Digits
        if ord(ch)<58:
            char_layer_list = ASCII_GRAPHICS[ord(ch) - 48]

        # Uppercase
        elif 64 < ord(ch) < 91 :
            char_layer_list = ASCII_GRAPHICS[ord(ch) - 46]

        # Lowercase
        elif 96 < ord(ch) < 123 :
            char_layer_list = ASCII_GRAPHICS[ord(ch) - 45]

        char_draw = []
        #dots.append((char_layer_list[0][0] + x_offset,char_layer_list[0][1],0))

        for xy in char_layer_list:
            char_draw.append((xy[0] + x_offset,xy[1], zpos))
        i +=1         
        rPolyLineOneColor(char_draw, c, layer , False, xpos, ypos, resize, rotx, roty, rotz)
        #dots.append(char_draw)

def TextRGB(message, zpos, c, layer, xpos, ypos, resize, rotx, roty, rotz):

    Text(message, zpos, int('0x%02x%02x%02x' % (red,green,blue),0), layer, xpos, ypos, resize, rotx, roty, rotz)