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annotate bin/curvecalc @ 210:f41004d5a507

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factored out some networking, new show/ layout, curvecalc works
author drewp@bigasterisk.com
date Sun, 10 Apr 2005 20:54:14 +0000
parents flax/curvecalc@3905d3c92aaa
children 9b360ee8636e
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1 #!/usr/bin/python
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2
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3 """
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4 todo: curveview should preserve more objects, for speed maybe
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5
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6 """
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7 from __future__ import division
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8 import xmlrpclib,time,socket,sys,textwrap,math,glob,random,os
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9 from bisect import bisect_left,bisect,bisect_right
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10 import Tkinter as tk
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11 from dispatch import dispatcher
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12 from twisted.internet import reactor,tksupport
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13 import twisted
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14 from twisted.web.xmlrpc import Proxy
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16 import run_local
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17 from light9 import Submaster, dmxclient
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18 from light9.TLUtility import make_attributes_from_args
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19 from light9.zoomcontrol import Zoomcontrol
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20
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21 sys.path.append("../../semprini")
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22 from lengther import wavelength # for measuring duration of .wav
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23
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24 class Curve:
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25 """curve does not know its name. see Curveset"""
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26 points = None # x-sorted list of (x,y)
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27 def __init__(self):
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28 self.points = [(0,0),(10,0)]
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29
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30 def load(self,filename):
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31 self.points[:]=[]
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32 for line in file(filename):
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33 self.points.append(tuple([float(a) for a in line.split()]))
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34 self.points.sort()
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35 dispatcher.send("points changed",sender=self)
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36
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37 def save(self,filename):
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38 if filename.endswith('-music') or filename.endswith('_music'):
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39 print "not saving music track"
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40 return
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41 f = file(filename,'w')
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42 for p in self.points:
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43 f.write("%s %s\n" % p)
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44 f.close()
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45
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46 def eval(self,t):
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47 i = bisect_left(self.points,(t,None))-1
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48
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49 if self.points[i][0]>t:
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50 return self.points[i][1]
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51 if i>=len(self.points)-1:
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52 return self.points[i][1]
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53
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54 p1,p2 = self.points[i],self.points[i+1]
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55 frac = (t-p1[0])/(p2[0]-p1[0])
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56 y = p1[1]+(p2[1]-p1[1])*frac
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57 return y
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58
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59 def insert_pt(self,new_pt):
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60 i = bisect(self.points,(new_pt[0],None))
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61 self.points.insert(i,new_pt)
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62 __call__=eval
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63
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64 class Curveview(tk.Canvas):
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65 def __init__(self,master,curve,**kw):
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66 self.curve=curve
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67 self._time = 0
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68 tk.Canvas.__init__(self,master,width=10,height=10,
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69 relief='sunken',bd=1,
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70 closeenough=5,takefocus=1, **kw)
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71 self.selected_points=[] # idx of points being dragged
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72 self.update()
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73 # self.bind("<Enter>",self.focus)
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74 dispatcher.connect(self.input_time,"input time")
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75 dispatcher.connect(self.update,"zoom changed")
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76 dispatcher.connect(self.update,"points changed",sender=self.curve)
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77 self.bind("<Configure>",self.update)
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78 for x in range(1, 6):
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79 def add_kb_marker_point(evt, x=x):
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80 print "add_kb_marker_point", evt
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81 self.add_point((self.current_time(), (x - 1) / 4.0))
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82
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83 self.bind("<Key-%s>" % x, add_kb_marker_point)
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84
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85
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86 for butnum,factor in (5, 1.5),(4, 1/1.5):
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87 self.bind("<ButtonPress-%s>"%butnum,
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88 lambda ev,factor=factor:
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89 dispatcher.send("zoom about mouse",
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90 t=self.world_from_screen(ev.x,0)[0],
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91 factor=factor))
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92 self.bind("<Key-Escape>",lambda ev:
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93 dispatcher.send("see time",
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94 t=self.current_time()))
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95 def current_time(self):
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96 return self._time
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97
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98 def screen_from_world(self,p):
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99 start,end = self.zoom
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100 ht = self.winfo_height()
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101 return (p[0]-start)/(end-start)*self.winfo_width(), (ht-5)-p[1]*(ht-10)
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102 def world_from_screen(self,x,y):
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103 start,end = self.zoom
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104 ht = self.winfo_height()
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105 return x/self.winfo_width()*(end-start)+start, ((ht-5)-y)/(ht-10)
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106
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107 def input_time(self,val):
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108 t=val
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109 pts = self.screen_from_world((val,0))+self.screen_from_world((val,1))
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110 self.delete('timecursor')
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111 self.create_line(*pts,**dict(width=2,fill='red',tags=('timecursor',)))
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112 self._time = t
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113 def update(self,*args):
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114
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115 self.zoom = dispatcher.send("zoom area")[0][1]
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116 cp = self.curve.points
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117
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118 visible_x = (self.world_from_screen(0,0)[0],
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119 self.world_from_screen(self.winfo_width(),0)[0])
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120
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121 visleftidx = max(0,bisect_left(cp,(visible_x[0],None))-1)
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122 visrightidx = min(len(cp)-1,bisect_left(cp,(visible_x[1],None))+1)
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123
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124 visible_points = cp[visleftidx:visrightidx+1]
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125 visible_idxs = range(visleftidx,visrightidx+1)
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126
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127 self.delete('curve')
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128
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129 self._draw_markers(visible_x)
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130
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131 self._draw_line(visible_idxs,visible_points)
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132
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133 self.dots = {} # idx : canvas rectangle
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134
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135 if len(visible_points)<50:
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136 self._draw_handle_points(visible_idxs,visible_points)
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137
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138 def _draw_markers(self,visible_x):
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139 mark = self._draw_one_marker
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140
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141 mark(0,"0")
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142 t1,t2=visible_x
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143 if t2-t1<30:
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144 for t in range(int(t1),int(t2)+1):
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145 mark(t,str(t))
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146 mark(-4,"-4")
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147
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148 endtimes = dispatcher.send("get max time")
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149 if endtimes:
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150 endtime = endtimes[0][1]
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151 mark(endtime,"end %.1f"%endtime)
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152 mark(endtime+10,"post %.1f"%(endtime+10))
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153
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154 def _draw_one_marker(self,t,label):
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155 x = self.screen_from_world((t,0))[0]
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156 self.create_line(x,self.winfo_height(),x,self.winfo_height()-20,
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157 tags=('curve',))
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158 self.create_text(x,self.winfo_height()-20,text=label,anchor='s',
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159 tags=('curve',))
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160
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161
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162 def _draw_line(self,visible_idxs,visible_points):
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163 linepts=[]
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164 step=1
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165 linewidth=2
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166 if len(visible_points)>800:
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167 step = int(len(visible_points)/800)
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168 linewidth=1
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169 for p in visible_points[::step]:
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170 linepts.extend(self.screen_from_world(p))
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171 if len(linepts)<4:
202
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172 return
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173 line = self.create_line(*linepts,**dict(width=linewidth,tags='curve'))
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174
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175 # canvas doesnt have keyboard focus, so i can't easily change the
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176 # cursor when ctrl is pressed
202
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177 # def curs(ev):
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178 # print ev.state
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179 # self.bind("<KeyPress>",curs)
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180 # self.bind("<KeyRelease-Control_L>",lambda ev: curs(0))
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181 self.tag_bind(line,"<Control-ButtonPress-1>",self.newpointatmouse)
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182
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183
205
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184 def _draw_handle_points(self,visible_idxs,visible_points):
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185 for i,p in zip(visible_idxs,visible_points):
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186 rad=3
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187 worldp = p
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188 p = self.screen_from_world(p)
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189 dot = self.create_rectangle(p[0]-rad,p[1]-rad,p[0]+rad,p[1]+rad,
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190 outline='black',fill='blue',
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191 tags=('curve','point', 'handle%d' % i))
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192 if worldp[1] == 0:
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193 rad += 3
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194 dot2 = self.create_oval(p[0]-rad,p[1]-rad,
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195 p[0]+rad,p[1]+rad,
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196 outline='darkgreen',
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197 tags=('curve','point', 'handle%d' % i))
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198 self.tag_bind('handle%d' % i,"<ButtonPress-1>",
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199 lambda ev,i=i: self.dotpress(ev,i))
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200 self.bind("<Motion>",
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201 lambda ev,i=i: self.dotmotion(ev,i))
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202 self.bind("<ButtonRelease-1>",
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203 lambda ev,i=i: self.dotrelease(ev,i))
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204 self.dots[i]=dot
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205
205
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206 self.highlight_selected_dots()
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207
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208
205
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209 def newpointatmouse(self, ev):
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210 p = self.world_from_screen(ev.x,ev.y)
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211 x, y = p
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212 y = max(0, y)
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213 y = min(1, y)
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214 p = x, y
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215 self.add_point(p)
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216
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217 def add_point(self, p):
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218 self.unselect()
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219 self.curve.insert_pt(p)
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220 self.update()
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221
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222 def highlight_selected_dots(self):
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223 for i,d in self.dots.items():
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224 if i in self.selected_points:
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225 self.itemconfigure(d,fill='red')
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226 else:
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227 self.itemconfigure(d,fill='blue')
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228
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229 def dotpress(self,ev,dotidx):
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230 self.selected_points=[dotidx]
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231 self.highlight_selected_dots()
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232
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233 def dotmotion(self,ev,dotidx):
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234 cp = self.curve.points
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235 moved=0
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236 for idx in self.selected_points:
202
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237 x,y = self.world_from_screen(ev.x,ev.y)
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238 y = max(0,min(1,y))
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239 if idx>0 and x<=cp[idx-1][0]:
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240 continue
202
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241 if idx<len(cp)-1 and x>=cp[idx+1][0]:
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242 continue
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243 moved=1
202
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244 cp[idx] = (x,y)
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245 if moved:
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246 self.update()
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247 def unselect(self):
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248 self.selected_points=[]
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249 self.highlight_selected_dots()
196
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250
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251 def dotrelease(self,ev,dotidx):
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252 self.unselect()
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253
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254 class Curveset:
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255 curves = None # curvename : curve
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256 def __init__(self):
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257 self.curves = {}
202
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258 def load(self,basename):
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259 """find all files that look like basename-curvename and add
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260 curves with their contents"""
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261 for filename in glob.glob("%s-*"%basename):
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262 curvename = filename[filename.find('-')+1:]
202
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263 c=Curve()
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264 c.load(filename)
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265 curvename = curvename.replace('-','_')
202
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266 self.add_curve(curvename,c)
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267 def save(self,basename):
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268 """writes a file for each curve with a name
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269 like basename-curvename"""
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270 for name,cur in self.curves.items():
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271 cur.save("%s-%s" % (basename,name))
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272 def add_curve(self,name,curve):
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273 self.curves[name] = curve
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274 dispatcher.send("add_curve",sender=self,name=name)
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275 def globalsdict(self):
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276 return self.curves.copy()
205
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277 def new_curve(self,name):
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278 if name=="":
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279 print "no name given"
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280 return
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281 while name in self.curves:
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282 name=name+"-1"
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283
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284 self.add_curve(name,Curve())
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285
0
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286
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287 class Curvesetview(tk.Frame):
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288 curves = None # curvename : Curveview
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289 def __init__(self,master,curveset,**kw):
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290 self.curves = {}
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291 self.curveset = curveset
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292 tk.Frame.__init__(self,master,**kw)
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293
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294 f = tk.Frame(self,relief='raised',bd=1)
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295 f.pack(side='top',fill='x')
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296 tk.Button(f,text="new curve named:",
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297 command=lambda: self.curveset.new_curve(self.newcurvename.get())).pack(side='left')
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298 self.newcurvename = tk.StringVar()
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299 tk.Entry(f,textvariable=self.newcurvename).pack(side='left',
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300 fill='x',exp=1)
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301
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302
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303 dispatcher.connect(self.add_curve,"add_curve",sender=self.curveset)
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304 def add_curve(self,name):
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305 f = tk.Frame(self,relief='raised',bd=1)
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306 f.pack(side='top',fill='both',exp=1)
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307 tk.Label(f,text="curve %r"%name,width=15).pack(side='left')
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308 cv = Curveview(f,self.curveset.curves[name])
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309 cv.pack(side='right',fill='both',exp=1)
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310 self.curves[name] = cv
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311
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312 class Music:
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313 def __init__(self):
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314 self.player=None # xmlrpc Proxy to player
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315 self.recenttime=0
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316
0
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317 def current_time(self):
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318 """return deferred which gets called with the current time"""
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319 if self.player is None:
205
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320 self.player = Proxy("http://miles:8040")
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321 # d = self.player.callRemote("songlength")
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322 # d.addCallback(lambda l: dispatcher.send("max time",maxtime=l))
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323 # d = self.player.callRemote("songname")
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324 # d.addCallback(lambda n: dispatcher.send("songname",name=n))
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325 d = self.player.callRemote('gettime')
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326 def sendtime(t):
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327 dispatcher.send("input time",val=t)
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328 return t # pass along to the real receiver
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329 def error(e):
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330 pass#self.player=None
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331 d.addCallback(sendtime)
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332 return d
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333
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334 class Subexpr:
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335 curveset = None
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336 def __init__(self,curveset,expr=""):
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337 self.curveset = curveset
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338 self.lasteval = None
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339 self.expr=expr
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340 self._smooth_random_items = [random.random() for x in range(100)]
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341 def eval(self,t):
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342 if self.expr=="":
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343 dispatcher.send("expr_error",sender=self,exc="no expr, using 0")
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344 return 0
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345 glo = self.curveset.globalsdict()
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346 glo['t'] = t
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347
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348 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
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349 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
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350 glo['within'] = lambda a, b: a < t < b
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351 glo['bef'] = lambda x: t < x
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352 glo['aft'] = lambda x: x < t
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353 glo['smoove'] = lambda x: -2 * (x ** 3) + 3 * (x ** 2)
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354
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355 def smooth_random(speed=1):
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356 """1 = new stuff each second, <1 is slower, fade-ier"""
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357 x = (t * speed) % len(self._smooth_random_items)
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358 x1 = int(x)
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359 x2 = (int(x) + 1) % len(self._smooth_random_items)
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360 y1 = self._smooth_random_items[x1]
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361 y2 = self._smooth_random_items[x2]
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362 return y1 + (y2 - y1) * ((x - x1))
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363
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364 def notch_random(speed=1):
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365 """1 = new stuff each second, <1 is slower, notch-ier"""
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366 x = (t * speed) % len(self._smooth_random_items)
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367 x1 = int(x)
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368 y1 = self._smooth_random_items[x1]
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369 return y1
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370
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371 glo['noise'] = smooth_random
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372 glo['notch'] = notch_random
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373
0
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374 try:
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375 self.lasteval = eval(self.expr,glo)
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376 except Exception,e:
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377 dispatcher.send("expr_error",sender=self,exc=e)
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378 else:
205
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379 dispatcher.send("expr_error",sender=self,exc="ok")
0
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380 return self.lasteval
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381
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382 def expr():
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383 doc = "python expression for level as a function of t, using curves"
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384 def fget(self):
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385 return self._expr
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386 def fset(self, value):
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387 self._expr = value
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388 dispatcher("expr_changed",sender=self)
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389 return locals()
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390 expr = property(**expr())
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391
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392 class Subexprview(tk.Frame):
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393 def __init__(self,master,se,**kw):
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394 self.subexpr=se
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395 tk.Frame.__init__(self,master,**kw)
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396 self.evar = tk.StringVar()
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397 e = self.ent = tk.Entry(master,textvariable=self.evar)
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398 e.pack(side='left',fill='both',exp=1)
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399 self.expr_changed()
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400 self.evar.trace_variable('w',self.evar_changed)
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401 dispatcher.connect(self.expr_changed,"expr_changed",
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parents:
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402 sender=self.subexpr)
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403 self.error = tk.Label(master)
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404 self.error.pack(side='left')
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405 dispatcher.connect(lambda exc: self.error.config(text=str(exc)),
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406 "expr_error",sender=self.subexpr,weak=0)
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407 def expr_changed(self):
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parents:
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408 if self.subexpr.expr!=self.evar.get():
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409 self.evar.set(self.subexpr.expr)
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410 def evar_changed(self,*args):
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411 self.subexpr.expr = self.evar.get()
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412
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413 class Subterm:
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414 """one Submaster and its Subexpr"""
205
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415 def __init__(self,submaster,subexpr):
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416 make_attributes_from_args('submaster','subexpr')
0
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417 def scaled(self,t):
205
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418 return self.submaster * self.subexpr.eval(t)
0
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419
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420 class Subtermview(tk.Frame):
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421 def __init__(self,master,st,**kw):
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422 self.subterm = st
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423 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw)
205
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424 l = tk.Label(self,text="sub %r" % self.subterm.submaster.name)
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425 l.pack(side='left')
0
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426 sev=Subexprview(self,self.subterm.subexpr)
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427 sev.pack(side='left',fill='both',exp=1)
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428
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429 class Output:
205
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430 lastsendtime=0
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431 lastsendlevs=None
0
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432 def __init__(self,subterms):
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433 make_attributes_from_args('subterms')
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434 def send_dmx(self,t):
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435
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436 scaledsubs=[]
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437 for st in self.subterms:
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438 scl = st.scaled(t)
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439 scaledsubs.append(scl)
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440 out = Submaster.sub_maxes(*scaledsubs)
205
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441 levs = out.get_levels()
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442 now=time.time()
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443 if now-self.lastsendtime>5 or levs!=self.lastsendlevs:
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444 dispatcher.send("output levels",val=levs)
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445 dmxclient.outputlevels(out.get_dmx_list(),
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446 twisted=1,clientid='curvecalc')
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447 self.lastsendtime = now
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448 self.lastsendlevs = levs
0
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449
202
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450 def create_status_lines(master):
197
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parents: 196
diff changeset
451 for signame,textfilter in [
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452 ('input time',lambda t: "%.2fs"%t),
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453 ('output levels',
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diff changeset
454 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v)
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455 for n,v in
205
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456 levels.items()[:5]
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457 if v>0]),70)),
197
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458 ('update period',lambda t: "%.1fms"%(t*1000)),
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parents: 196
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459 ]:
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460 l = tk.Label(master,anchor='w',justify='left')
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461 l.pack(side='top',fill='x')
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462 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter:
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463 l.config(text=sn+": "+tf(val)),
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464 signame,weak=0)
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465
202
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466 def savesubterms(filename,subterms):
205
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467 s=""
202
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468 for st in subterms:
205
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469 s=s+"%s %s\n" % (st.submaster.name,st.subexpr.expr)
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parents: 202
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470
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471 file(filename,'w').write(s)
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472
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473 class SubtermSetView(tk.Frame):
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474 def __init__(self, master, *args, **kw):
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475 tk.Frame.__init__(self, master, *args, **kw)
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476 self.cur_row = 0
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477 self.cur_col = 0
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478 self.ncols = 2
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479 def add_subtermview(self, stv):
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480 stv.grid(row=self.cur_row, column=self.cur_col, sticky='news')
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481 self.columnconfigure(self.cur_col, weight=1)
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482
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483 self.cur_col += 1
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484 self.cur_col %= self.ncols
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diff changeset
485 if self.cur_col == 0:
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diff changeset
486 self.cur_row += 1
202
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diff changeset
487
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parents: 205
diff changeset
488 def add_one_subterm(subname, curveset, subterms, root, ssv, expr=''):
205
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parents: 202
diff changeset
489 term = Subterm(Submaster.Submaster(subname), Subexpr(curveset,expr))
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diff changeset
490 subterms.append(term)
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diff changeset
491
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diff changeset
492 stv=Subtermview(ssv,term)
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diff changeset
493 # stv.pack(side='top',fill='x')
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parents: 205
diff changeset
494
205
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diff changeset
495 ssv.add_subtermview(stv)
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parents: 202
diff changeset
496
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diff changeset
497 return term
0
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parents:
diff changeset
498
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parents: 205
diff changeset
499 def subterm_adder(master, curveset, subterms, root, ssv):
205
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parents: 202
diff changeset
500 f=tk.Frame(master,relief='raised',bd=1)
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diff changeset
501 newname = tk.StringVar()
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diff changeset
502
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diff changeset
503 def add_cmd():
210
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parents: 205
diff changeset
504 add_one_subterm(newname.get(), curveset, subterms, root, ssv, '')
205
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parents: 202
diff changeset
505
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diff changeset
506 tk.Button(f,text="new subterm named:", command=add_cmd).pack(side='left')
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diff changeset
507 tk.Entry(f,textvariable=newname).pack(side='left',fill='x',exp=1)
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parents: 202
diff changeset
508 return f
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diff changeset
509
0
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parents:
diff changeset
510 #######################################################################
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diff changeset
511 root=tk.Tk()
205
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diff changeset
512 root.tk_setPalette("gray50")
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diff changeset
513 root.wm_geometry("1120x850")
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diff changeset
514 root.tk_focusFollowsMouse()
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515
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516 music=Music()
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517
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518 zc = Zoomcontrol(root)
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519 zc.pack(side='top',fill='x')
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520
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521 curveset = Curveset()
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522 csv = Curvesetview(root,curveset)
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523 csv.pack(side='top',fill='both',exp=1)
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524
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525 ssv = SubtermSetView(root)
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526 ssv.pack(side='top', fill='x')
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527
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528 song = sys.argv[1]
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529 root.title("Curemaster 2000MX - %s" % song)
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530
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531 musicfilename = os.path.join(os.getenv("LIGHT9_SHOW"),'music',
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532 "%s.wav" % song)
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533 maxtime = wavelength(musicfilename)
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534 dispatcher.send("max time",maxtime=maxtime)
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535 dispatcher.connect(lambda: maxtime, "get max time",weak=0)
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536 curveset.load(basename=os.path.join(os.getenv("LIGHT9_SHOW"),"curves",song))
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537
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538 subterms = []
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539 subterm_adder(root, curveset, subterms, root, ssv).pack(side='top',fill='x')
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540 for line in file(os.path.join(os.getenv("LIGHT9_SHOW"),
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541 "subterms",
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542 song)):
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543 subname,expr = line.strip().split(" ",1)
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544
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545 term = add_one_subterm(subname, curveset, subterms, root, ssv, expr)
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546
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547 # stv=Subtermview(root,term)
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548 # stv.pack(side='top',fill='x')
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549
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550 out = Output(subterms)
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551
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552 def savekey(*args):
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553 print "saving",song
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554 savesubterms(os.path.join(os.getenv("LIGHT9_SHOW"),"subterms",song),
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555 subterms)
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556 curveset.save(basename="curves/"+song)
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557 print "saved"
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558
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559
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560 root.bind("<Control-Key-s>",savekey)
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561
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562 create_status_lines(root)
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563
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564 recent_t=[]
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565 later = None
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566 def update():
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567 global later
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568 d = music.current_time()
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569 d.addCallback(update2)
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570 d.addErrback(updateerr)
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571 def updateerr(e):
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572 global later
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573 print "err",e
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574 if later and not later.cancelled and not later.called: later.cancel()
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575 later = reactor.callLater(1,update)
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576 def update2(t):
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577 global recent_t,later
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578
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579 if later and not later.cancelled and not later.called: later.cancel()
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580 later = reactor.callLater(.01,update)
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581
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582 recent_t = recent_t[-50:]+[t]
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583 period = (recent_t[-1]-recent_t[0])/len(recent_t)
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584 dispatcher.send("update period",val=period)
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585 out.send_dmx(t)
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586 update()
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587
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588 #def logprint(msg):
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589 # print "log",msg
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590 #twisted.python.log.addObserver(logprint)
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591
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592 root.bind("<Control-Key-q>",lambda ev: reactor.stop)
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593 root.bind("<Destroy>",lambda ev: reactor.stop)
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594 root.protocol('WM_DELETE_WINDOW', reactor.stop)
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595 tksupport.install(root,ms=10)
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596 if 0:
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597 sys.path.append("/home/drewp/projects/editor/pour")
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598 from utils import runstats
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599 runstats("reactor.run()")
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600 else:
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601 reactor.run()