def _draw_legend(self, dc, width, height):
if self.data is not None:
dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
dc.SetTextBackground(self.GetBackgroundColour())
dc.SetTextForeground('BLACK')
dc.SetFont(self.GetFont())
dc.Clear()
scale = self.scale
data = self.data
zoom = self.zoom
scalezoom = scale * zoom
def sample_time(sample):
'''Return time of occurence of sample #sample.'''
return float(sample) / data.frequency
def place_text(text, sample):
tw, th = dc.GetTextExtent(text)
tx = min(width - tw, max(0, int(sample * scalezoom) - tw / 2))
dc.DrawText(text, tx, 0)
place_text(
time_with_units(sample_time(data.delay_count -
data.read_count)), 0)
place_text(time_with_units(sample_time(data.delay_count)),
data.read_count - 1)
if 0 < data.delay_count < data.read_count:
place_text('0', data.read_count - data.delay_count)
def _draw_legend (self, dc, width, height):
if self.data is not None:
dc.SetBackground (wx.Brush (self.GetBackgroundColour()))
dc.SetTextBackground (self.GetBackgroundColour())
dc.SetTextForeground ('BLACK')
dc.SetFont (self.GetFont())
dc.Clear()
scale = self.scale
data = self.data
zoom = self.zoom
scalezoom = scale * zoom
def sample_time (sample):
'''Return time of occurence of sample #sample.'''
return float (sample)/data.frequency
def place_text (text, sample):
tw, th = dc.GetTextExtent (text)
tx = min (width-tw, max (0, int (sample * scalezoom) - tw/2))
dc.DrawText (text, tx, 0)
place_text (time_with_units (sample_time (data.delay_count-data.read_count)), 0)
place_text (time_with_units (sample_time (data.delay_count)), data.read_count-1)
if 0 < data.delay_count < data.read_count:
place_text ('0', data.read_count - data.delay_count)
def OnGraphMouseMotion (self, evt): if evt.Moving(): graphs = evt.GetEventObject() sample = graphs.CalcXSample (evt.m_x) sample_time = graphs.CalcXSampleTime (evt.m_x) if sample_time is not None: wx.CallAfter (self.GetStatusBar().SetStatusText, '%d -- %s' % (sample, time_with_units (sample_time))) evt.Skip()
def OnGraphMouseMotion(self, evt):
if evt.Moving():
graphs = evt.GetEventObject()
sample = graphs.CalcXSample(evt.m_x)
sample_time = graphs.CalcXSampleTime(evt.m_x)
if sample_time is not None:
wx.CallAfter(
self.GetStatusBar().SetStatusText,
'%d -- %s' % (sample, time_with_units(sample_time)))
evt.Skip()