def __init__(self):
PortSupplier.__init__(self)
self._refid = str(uuid4())
self._port = None
self._started = False
def __init__(self):
_deferred_imports()
helperBase.__init__(self)
PortSupplier.__init__(self)
# Create provides port dictionary.
self._providesPortDict = {}
for interface in ('Char', 'Short', 'Long', 'Float', 'Ulong', 'Double',
'LongLong', 'Octet', 'UlongLong', 'Ushort'):
name = '%sIn' % interface.lower()
self._providesPortDict[name] = {
'Port Interface': 'IDL:BULKIO/data%s:1.0' % interface,
'Port Name': name
}
self.breakBlock = False
self._thread = None
# Create a new figure and axes.
self._figure = pyplot.figure()
self._plot = self._figure.add_subplot(1, 1, 1)
self._canvas = self._figure.canvas
self._figure.show(False)
# Let subclasses set up the axes.
self._configureAxes()
# Matplotlib 0.99 does not give an easy way to listen for window close
# events; as a result, we have to get the underlying backend-specific
# window. This is course, somewhat fragile. Furthermore, QMainWindow
# does not provide a signal on close that would allow us to stop the
# rendering loop before the objects are destroyed, so we dynamically
# override the closeEvent method on this particular instance.
window = self._getWindow()
oldClose = window.closeEvent
def closeEvent(event):
self.stop()
oldClose(event)
window.closeEvent = closeEvent
# Add thread synchronization to the draw and paintEvent methods on
# FigureCanvasQTAgg, so that we can do drawing updates in the reader
# thread at the same time that the main thread might traw to redraw.
# Without synchronization, this leads to exceptions and flickering.
lock = threading.Lock()
oldDraw = self._canvas.draw
def draw():
lock.acquire()
try:
oldDraw()
finally:
lock.release()
self._canvas.draw = draw
oldPaint = self._canvas.paintEvent
def paintEvent(e):
lock.acquire()
try:
oldPaint(e)
finally:
lock.release()
self._canvas.paintEvent = paintEvent
self._renderLock = lock
def __init__(self):
_deferred_imports()
helperBase.__init__(self)
PortSupplier.__init__(self)
# Create provides port dictionary.
self._providesPortDict = {}
for interface in ('Char', 'Short', 'Long', 'Float', 'Ulong',
'Double', 'LongLong', 'Octet', 'UlongLong',
'Ushort'):
name = '%sIn' % interface.lower()
self._providesPortDict[name] = {
'Port Interface': 'IDL:BULKIO/data%s:1.0' % interface,
'Port Name': name
}
self.breakBlock = False
self._thread = None
# Create a new figure and axes.
self._figure = pyplot.figure()
self._plot = self._figure.add_subplot(1, 1, 1)
self._canvas = self._figure.canvas
self._figure.show(False)
# Let subclasses set up the axes.
self._configureAxes()
# Matplotlib 0.99 does not give an easy way to listen for window close
# events; as a result, we have to get the underlying backend-specific
# window. This is course, somewhat fragile. Furthermore, QMainWindow
# does not provide a signal on close that would allow us to stop the
# rendering loop before the objects are destroyed, so we dynamically
# override the closeEvent method on this particular instance.
window = self._getWindow()
oldClose = window.closeEvent
def closeEvent(event):
self.stop()
oldClose(event)
window.closeEvent = closeEvent
# Add thread synchronization to the draw and paintEvent methods on
# FigureCanvasQTAgg, so that we can do drawing updates in the reader
# thread at the same time that the main thread might traw to redraw.
# Without synchronization, this leads to exceptions and flickering.
lock = threading.Lock()
oldDraw = self._canvas.draw
def draw():
lock.acquire()
try:
oldDraw()
finally:
lock.release()
self._canvas.draw = draw
oldPaint = self._canvas.paintEvent
def paintEvent(e):
lock.acquire()
try:
oldPaint(e)
finally:
lock.release()
self._canvas.paintEvent = paintEvent
self._renderLock = lock
