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#! /usr/bin/env python
import sys
if sys.version_info[0] == 2:
from Tkinter import *
else:
from tkinter import *
from tkSnack import *
root = Tkinter.Tk()
initializeSnack(root)
s1 = Sound(load='ex1.wav')
s2 = Sound()
Frame(root).pack(pady=5)
Label(root, text='Snack Sound Toolkit Demonstration',
font='Helvetica 14 bold').pack()
def load():
file = root.tk.call('eval', 'snack::getOpenFile')
s2.read(file)
def save():
file = root.tk.call('eval', 'snack::getSaveFile')
s2.write(file)
def play():
s2.play()
def pause():
s2.pause()
def stop():
s2.stop()
root.after_cancel(id)
def timer():
len = s2.length(units='seconds')
timelab.configure(text=len)
root.after(100,timer)
def record():
s2.record()
id=root.after(100,timer)
f0 = Frame(root)
f0.pack(pady=5)
Label(f0, text='Basic sound handling:').pack(anchor='w')
timelab = Label(f0, text='0.00 sec',width=10)
timelab.pack(side='left')
Button(f0, bitmap='snackPlay', command=play).pack(side='left')
Button(f0, bitmap='snackPause', command=pause).pack(side='left')
Button(f0, bitmap='snackStop', command=stop).pack(side='left')
Button(f0, bitmap='snackRecord', fg='red', command=record).pack(side='left')
Button(f0, image='snackOpen', command=load).pack(side='left')
Button(f0, image='snackSave', command=save).pack(side='left')
colors = '#000 #006 #00B #00F #03F #07F #0BF #0FF #0FB #0F7\
#0F0 #3F0 #7F0 #BF0 #FF0 #FB0 #F70 #F30 #F00'
c = SnackCanvas(width=680, height=140, highlightthickness=0)
c.pack(pady=5)
c.create_text(0, 0, text='Waveform canvas item type:',anchor='nw')
c.create_waveform(0, 20, sound=s1, height=120, width=250 ,frame='yes')
c.create_text(250, 0, text='Spectrogram canvas item type:',anchor='nw')
c.create_spectrogram(250, 20, sound=s1, height=120, width=250, colormap=colors)
c.create_text(480, 0, text='Spectrum section canvas item type:',anchor='nw')
c.create_section(500, 20, sound=s1, height=120, width=180 ,frame='yes',
start=8000, end=10000, minval=-100)
root.mainloop()
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