def GetPPM(self):
"""Get pixel per meter
.. todo::
now computed every time, is it necessary?
.. todo::
enable user to specify ppm (and store it in UserSettings)
"""
# TODO: need to be fixed...
# screen X region problem
# user should specify ppm
dc = wx.ScreenDC()
dpSizePx = wx.DisplaySize() # display size in pixels
dpSizeMM = wx.DisplaySizeMM() # display size in mm (system)
dpSizeIn = (dpSizeMM[0] / 25.4, dpSizeMM[1] / 25.4) # inches
sysPpi = dc.GetPPI()
comPpi = (dpSizePx[0] / dpSizeIn[0],
dpSizePx[1] / dpSizeIn[1])
ppi = comPpi # pixel per inch
ppm = ((ppi[0] / 2.54) * 100, # pixel per meter
(ppi[1] / 2.54) * 100)
Debug.msg(4, "MapFrameBase.GetPPM(): size: px=%d,%d mm=%f,%f "
"in=%f,%f ppi: sys=%d,%d com=%d,%d; ppm=%f,%f" %
(dpSizePx[0], dpSizePx[1], dpSizeMM[0], dpSizeMM[1],
dpSizeIn[0], dpSizeIn[1],
sysPpi[0], sysPpi[1], comPpi[0], comPpi[1],
ppm[0], ppm[1]))
return ppm
def OnInit(self):
Dw, Dh = wx.DisplaySize()
Dw_mm, Dh_mm = wx.DisplaySizeMM()
Dw_i = Dw_mm / 25.4
Dh_i = Dh_mm / 25.4
print("The display is %i by %i pixels" %(Dw, Dh))
print("The display is %i by %i inches" %(Dw_i, Dh_i))
print("resulting in %i by %i ppi" %(Dw / Dw_i, Dh / Dh_i))
dc = wx.ScreenDC()
print(" The system reports : %s PPI" %dc.GetPPI())
return True
def OnInit(self):
Dw, Dh = wx.DisplaySize()
Dw_mm, Dh_mm = wx.DisplaySizeMM()
Dw_i = Dw_mm / 25.4
Dh_i = Dh_mm / 25.4
print("The display is %i by %i pixels" %(Dw, Dh))
print("The display is %i by %i inches" %(Dw_i, Dh_i))
print("resulting in %i by %i ppi" %(Dw / Dw_i, Dh / Dh_i))
frame = MainWindow(None, -1, "Clock")
self.SetTopWindow(frame)
return True
def __init__(self, *args, **kwargs):
"""Note: The MicroscopeViewport is not fully initialised until setView()
has been called.
"""
# Call parent constructor at the end, because it needs the legend panel
super(MicroscopeViewport, self).__init__(*args, **kwargs)
# Bind on EVT_SLIDER to update even while the user is moving
self.bottom_legend.Bind(wx.EVT_LEFT_UP, self.OnSlider)
self.bottom_legend.Bind(wx.EVT_SLIDER, self.OnSlider)
# Find out screen pixel density for "magnification" value. This works
# only with monitors/OS which report correct values. It's unlikely to
# work with a projector!
# The 24" @ 1920x1200 screens from Dell have an mpp value of 0.00027 m/px
self._mpp_screen = 1e-3 * wx.DisplaySizeMM()[0] / wx.DisplaySize()[0]
# This attribute is set to True if this object (i.e. 'self') was responsible for chaning
# the HFW value
self.self_set_hfw = False
self._fov_va = None # (hardware) VA to follow for HFW
def __init__(self, *args, **kwargs):
"""Note: The MicroscopeViewport is not fully initialised until setView()
has been called.
"""
# Call parent constructor at the end, because it needs the legend panel
super(MicroscopeViewport, self).__init__(*args, **kwargs)
if self.bottom_legend:
# Bind on EVT_SLIDER to update even while the user is moving
self.bottom_legend.Bind(wx.EVT_LEFT_UP, self.OnSlider)
self.bottom_legend.Bind(wx.EVT_SLIDER, self.OnSlider)
# Find out screen pixel density for "magnification" value. This works
# only with monitors/OS which report correct values. It's unlikely to
# work with a projector!
# The 24" @ 1920x1200 screens from Dell have an mpp value of 0.00027 m/px
self._mpp_screen = 1e-3 * wx.DisplaySizeMM()[0] / wx.DisplaySize()[0]
# Set the following attributes to `True` to prevent local mpp/hfw setting loops
self.self_set_fov = False
self.self_set_mpp = False
self.stage_limit_overlay = None
def DisplayInfo():
pp = wx.GetDisplayPPI()
size_pix = wx.GetDisplaySize()
size_mm = wx.DisplaySizeMM()
logger.info("---> Display Info: pixel size: {} mm: ~{} ? pp: {}".format(
size_pix, size_mm, pp))
