def Draw(self, dc):
# return self.DrawGC(dc)
nod = self.nod
shift = self.shift # to accommodate for the pen width
vmiddle = self.GetClientSize()[1] / 2
dc.SetBackgroundMode(wx.SOLID)
dc.SetBackground(wx.Brush(self.va.colBg))
dc.Clear()
if not self.mpp: # unknown mpp => blank
return
dc.SetFont(self.va.font) # before GetLineWidth(), which needs it
dc.SetTextForeground(self.va.colFg)
dc.SetTextBackground(self.va.colBg)
length, actual = self.GetLineWidth(dc)
charSize = dc.GetTextExtent("M")
dc.DrawText(" " + units.to_string_si_prefix(actual) + "m",
shift + length, vmiddle - charSize[1] / 2)
pen = wx.Pen(wx.BLACK, 2)
pen.Cap = wx.CAP_PROJECTING
dc.SetPen(pen)
# main line
lines = [(shift, vmiddle, shift + length, vmiddle)]
# nods at each end
lines += [(shift, vmiddle - nod, shift, vmiddle + nod)]
lines += [(shift + length, vmiddle - nod, shift + length, vmiddle + nod)]
dc.DrawLineList(lines)
def test_to_string_si_prefix(self):
# (input) (expected output)
values = [((1,), "1"),
((-1.234,), "-1.234"),
((-1234,), "-1.234k"),
((1600,), "1.6k"),
((-1600,), "-1.6k"),
((0.0001236,), "123.6µ"),
((0.0012,), "1.2m"),
((0,), "0"),
]
for (i, eo) in values:
o = units.to_string_si_prefix(*i)
self.assertEquals(o, eo,
"%f is %s while expected %s" % (i[0], o, eo))
def avHV(self, value):
label = "HV: %sV" % units.to_string_si_prefix(value)
self.LegendHV.SetLabel(label)
# vim:tabstop=4:shiftwidth=4:expandtab:spelllang=en_gb:spell:
def avDwellTime(self, value):
label = "Dwell: %ss" % units.to_string_si_prefix(value)
self.LegendDwell.SetLabel(label)
def avExposureTime(self, value):
label = "Exposure: %ss" % units.to_string_si_prefix(value)
self.LegendET.SetLabel(label)
def UpdateHFW(self):
hfw = self.viewmodel.mpp.value * self.GetClientSize()[0]
label = "HFW: %sm" % units.to_string_si_prefix(hfw)
self.hfwDisplay.SetLabel(label)
