Source code for ImageSizePanel

"""
:filename:     ImageSizePlugin.py
:author:       thor@tordivel.no
:requirements: Scorpion 9.0.0.492 or higher

Scorpion plugin panel for showing acquired image size

::

  1.0.0.3, 11nov2015, RL: modified for autodoc
  1.0.0.2, 12nov2011, TV: remove start message
  1.0.0.1, 08oct2011, TV: created
"""

__version__ = '1.0.0.3'

from Scorpion import RegisterCallback,PluginChanged,GetControlByHandle,GetFloatValue,GetBoolValue,InputInt,GetImageMatr,PixToRef

[docs]class Plugin(object):
  def __init__(self,cntr,name):
    self.name=name

    cntr.deleteControls()  #delete previous added controls if any
    self.panel=cntr.addControl('Panel',0,0)
    self.panel.align=5  #client
    self.panel.caption='Press Start to activate system'
    self.panel.font.size = 15

    RegisterCallback('Actions.BeforeStart',self.beforeStart)
    RegisterCallback('Actions.AfterStop',self.afterStop)
    RegisterCallback('System.AfterInspect',self.afterInspect)
    RegisterCallback('System.ImageComplete',self.imageComplete)

    print self,'__init__'

  def __del__(self):

    print self,'__del__'

[docs]  def __str__(self):
    '''
    return a unique persistance name for host application storage
    '''
    return '%s_%s'%(self.__class__.__name__,self.name)

[docs]  def getConfig(self):
    '''
    returns plugin configuration as string
    '''
    from SPB import CreateSpb
    spb=CreateSpb()
    #create a spb instance, populate with the plugin configuration
    #and return the xml string
    spb.setInt('version',1)
    spb.setInt('fontSize',self.panel.font.size)
    return spb.xml

[docs]  def setConfig(self,value):
    '''
    set plugin configuration from the string 'value'
    '''
    from SPB import CreateSpb
    spb=CreateSpb(value)
    # TODO: extract plugin configuration from the spb object
    if spb.getInt('version')>0:
       if spb.getInt('fontSize')<>None: self.panel.font.size=spb.getInt('fontSize')

[docs]  def configure(self):
    '''
    configure the plugin, return bool whether changed or not
    '''
    ok,result=InputInt('Set Property','fontSize',self.panel.font.size)
    if ok :
      self.panel.font.size=result
    return ok

[docs]  def beforeStart(self):
    '''
    beforeStart
    '''
    self.panel.caption='-'

[docs]  def afterStop(self):
    '''
    afterStop
    '''
    self.panel.caption=''

[docs]  def imageComplete(self,Image):
    '''
    imageComplete
    '''
    img = GetImageMatr(Image)
    rows,cols = img.dim()
    upperLeft = PixToRef('reference',0,0)
    lowerRight = PixToRef('reference',rows,cols)
    self.panel.caption=' FOV = (%.1f,%.1f) - (%.1f,%.1f) ' % (upperLeft[0],upperLeft[1],lowerRight[0],lowerRight[1])

[docs]  def afterInspect(self,Result):
    '''
    afterInspect - update panel
    '''
    pass

[docs]def CreatePlugin(hWnd, name=''):
  '''
  Scorpion Plugin Stub - Required
  '''
  cntr=GetControlByHandle(hWnd)
  return Plugin(cntr,name)