def __init__(self,controller):
super(WinFilterChain, self).__init__()
self.controller = controller
self.filterchain = None
self.filename = None
self.controller.add_thread_observer(self.thread_observer)
self.ui = get_ui(self)
self.loadSources()
self.ui.sourcesComboBox.currentIndexChanged[str].connect(self.startSource)
self.ui.filterListWidget.currentItemChanged.connect(self.onSelectedFilterchanged)
self.ui.sourcesButton.clicked.connect(self.getSourcesFilepath)
self.winSource = WinSource()
class WinFilterChain(QtCore.QObject):
"""Main window
Allow the user to create, edit and test filter chains
"""
WINDOW_TITLE = "Capra Vision"
selectedFilterChanged = QtCore.Signal(object)
def __init__(self,controller):
super(WinFilterChain, self).__init__()
self.controller = controller
self.filterchain = None
self.filename = None
self.controller.add_thread_observer(self.thread_observer)
self.ui = get_ui(self)
self.loadSources()
self.ui.sourcesComboBox.currentIndexChanged[str].connect(self.startSource)
self.ui.filterListWidget.currentItemChanged.connect(self.onSelectedFilterchanged)
self.ui.sourcesButton.clicked.connect(self.getSourcesFilepath)
self.winSource = WinSource()
def open_chain(self):
filename = QtGui.QFileDialog().getOpenFileName(filter="*.filterchain")[0]
if filename:
self.filename = filename
self.filterchain = filterchain.read(filename)
self.filterchain.add_filter_observer(self.updateFilterChain)
self.ui.sourceNameLineEdit.setText(self.filename)
self.updateFilterChain()
def new_chain(self):
self.filename = None
self.filterchain = filterchain.FilterChain()
self.filterchain.add_filter_observer(self.updateFilterChain)
self.updateFilterChain()
self.ui.sourceNameLineEdit.setText("<new>")
def save_chain(self):
if self.filename == None:
if not self.save_chain_as():
return
if self.filterchain is not None and self.filename is not None:
filterchain.write(self.filename,self.filterchain)
else:
QtGui.QMessageBox.warning(self.ui,"filterchain","filterchain is null.")
def save_chain_as(self):
filename = QtGui.QFileDialog.getSaveFileName(filter="*.filterchain")[0]
if len(filename)>0:
self.filename = filename
self.ui.sourceNameLineEdit.setText(self.filename)
self.save_chain()
return True
return False
def add_filter(self,filter):
if self.filterchain is not None:
self.filterchain.add_filter(filter)
else:
QtGui.QMessageBox.warning(self.ui,"filterChain","filterchain is null.")
def remove_filter(self):
if self.filterchain is not None:
filter = self._getSelectedFilter()
self.filterchain.remove_filter(filter)
print filter
else:
QtGui.QMessageBox.warning(self.ui,"filterChain","filterchain is null.")
def loadSources(self):
self.ui.sourcesComboBox.clear()
self.sources = imageproviders.load_sources()
self.ui.sourcesComboBox.addItem('None')
for source in self.sources.keys():
self.ui.sourcesComboBox.addItem(source)
def getSourcesFilepath(self):
self.winSource.show()
#filepath = QtGui.QFileDialog.getExistingDirectory()[0]
#return filepath
def startSource(self,sourceText):
if sourceText == "None":
return
self.controller.change_source(self.sources[sourceText])
self.winSource.setSource(self.controller.get_source())
def thread_observer(self,image):
if self.filterchain <> None:
self.filterchain.execute(image)
def updateFilterChain(self):
self.ui.filterListWidget.clear()
for filter in self.filterchain.filters:
print filter.__class__
self.ui.filterListWidget.addItem(filter.__class__.__name__)
def _getSelectedFilter(self):
filterName = self.ui.filterListWidget.currentRow()
if filterName == "":
return None
return self.filterchain.filters[filterName]
def moveUpSelectedFilter(self):
filter = self._getSelectedFilter()
if filter == None:
return
self.filterchain.move_filter_up(filter)
def moveDownSelectedFilter(self):
filter = self._getSelectedFilter()
if filter == None:
return
self.filterchain.move_filter_down(filter)
def deleteSelectedFilter(self):
filter = self._getSelectedFilter()
if filter == None:
return
self.filterchain.remove_filter(filter)
def onSelectedFilterchanged(self):
filter = self._getSelectedFilter()
if filter <> None:
self.selectedFilterChanged.emit(filter)