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update ProgressCanvas in separate thread

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This commit is contained in:
András Veres-Szentkirályi 2013-11-05 19:38:40 +01:00
parent ee600d916e
commit ec564d93ce
1 changed files with 18 additions and 1 deletions
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19
pysstv/examples/gimp-plugin.py
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@ -13,6 +13,7 @@ from pysstv.examples.pyaudio_sstv import PyAudioSSTV
from pysstv.sstv import SSTV
from itertools import repeat
from threading import Thread
from Queue import Queue
import os
MODULE_MAP = pysstv_main.build_module_map()
@ -72,6 +73,20 @@ class Transmitter(object):
self.root.destroy()
class CanvasUpdater(Thread):
def __init__(self, progress):
Thread.__init__(self)
self.progress = progress
self.queue = Queue()
def update_image(self, line=None):
self.queue.put(line)
def run(self):
while True:
self.progress.update_image(self.queue.get())
class ProgressCanvas(Canvas):
def __init__(self, master, image):
self.height_ratio = 1
@ -123,7 +138,9 @@ def transmit_current_image(image, drawable, mode, vox, fskid):
s.add_fskid_text(fskid)
pc = ProgressCanvas(root, pil_img)
pc.pack()
tm = Transmitter(s, root, pc)
cu = CanvasUpdater(pc)
cu.start()
tm = Transmitter(s, root, cu)
tm1750 = Transmitter(Sine1750(None, 44100, 16), None, None)
buttons = Frame(root)
for text, tram in (('TX', tm), ('1750 Hz', tm1750)):