def __init__(self, parent=None):
""" Constructor
"""
super(MainWindow, self).__init__(parent)
self.setAttribute(Qt.WA_DeleteOnClose)
QApplication.setStyle(QStyleFactory.create('cleanlooks'))
self.setupUi(self)
self.scene = CustomGraphicsScene()
self.connect(self.scene, SIGNAL("dropped_to_scene(QString)"),
self.load_image)
self.graphicsView.setScene(self.scene)
self.scene.installEventFilter(self)
self.graphicsView.setBackgroundBrush(QBrush(Qt.gray, Qt.BDiagPattern))
quit_icon = QApplication.style().standardIcon(
QStyle.SP_DialogCloseButton)
self.pushButtonQuit.setIcon(quit_icon)
self.setWindowTitle('Analyze & ORC image with tesseract and leptonica')
self.actionZoomOut.triggered.connect(self.zoomOut)
self.actionZoomIn.triggered.connect(self.zoomIn)
self.actionZoomTo1.triggered.connect(self.zoomTo1)
self.connect(self.actionZoomFit, SIGNAL('triggered()'), self.zoomFit)
# Initialize variables and pointers
self.box_data = []
self.pix_image = False
self.image_width = 0
self.image_height = 0
self.tesseract = None
self.api = None
self.lang = 'eng'
lang = sett.readSetting('language')
if lang:
self.lang = lang
self.initialize_tesseract()
if self.tesseract:
available_languages = tess.get_list_of_langs(
self.tesseract, self.api)
for lang in available_languages:
self.comboBoxLang.addItem(lang, lang)
current_index = self.comboBoxLang.findData(self.lang)
if current_index:
self.comboBoxLang.setCurrentIndex(current_index)
for idx, psm in enumerate(tess.PSM):
self.comboBoxPSM.addItem(psm, idx)
for idx, ril in enumerate(tess.RIL):
self.comboBoxRIL.addItem(ril, idx)
self.leptonica = lept.get_leptonica()
if not self.leptonica:
self.show_msg('Leptonica initialization failed...')
# Read settings and set default values
geometry = sett.readSetting('settings_geometry')
if geometry is not None:
self.restoreGeometry(QVariant(geometry).toByteArray())
else:
self.resize(1150, 950)
state = sett.readSetting('state')
if state is not None:
self.restoreState(QVariant(state).toByteArray())
sp_1_state = sett.readSetting('splitter_1Sizes')
if sp_1_state is not None:
self.splitter_1.restoreState(QVariant(sp_1_state).toByteArray())
sp_2_state = sett.readSetting('splitter_2Sizes')
if sp_2_state is not None:
self.splitter_2.restoreState(QVariant(sp_2_state).toByteArray())
psm = sett.readSetting('PSM')
if psm:
current_index = self.comboBoxPSM.findData(psm)
self.comboBoxPSM.setCurrentIndex(current_index)
ril = sett.readSetting('RIL')
if ril:
current_index = self.comboBoxRIL.findData(ril)
self.comboBoxRIL.setCurrentIndex(current_index)
image_name = sett.readSetting('images/last_filename')
if image_name:
self.image_name = image_name
self.load_image(image_name)
zoom_factor = sett.readSetting('images/zoom_factor')
self.setZoom(zoom_factor)
