Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/skimage/viewer/widgets/history.py

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from textwrap import dedent
from ..qt import QtGui, QtCore, QtWidgets
import numpy as np
from ... import io
from ...util import img_as_ubyte
from .core import BaseWidget
from ..utils import dialogs
__all__ = ['OKCancelButtons', 'SaveButtons']
class OKCancelButtons(BaseWidget):
"""Buttons that close the parent plugin.
OK will replace the original image with the current (filtered) image.
Cancel will just close the plugin.
"""
def __init__(self, button_width=80):
name = 'OK/Cancel'
super(OKCancelButtons, self).__init__(name)
self.ok = QtWidgets.QPushButton('OK')
self.ok.clicked.connect(self.update_original_image)
self.ok.setMaximumWidth(button_width)
self.ok.setFocusPolicy(QtCore.Qt.NoFocus)
self.cancel = QtWidgets.QPushButton('Cancel')
self.cancel.clicked.connect(self.close_plugin)
self.cancel.setMaximumWidth(button_width)
self.cancel.setFocusPolicy(QtCore.Qt.NoFocus)
self.layout = QtWidgets.QHBoxLayout(self)
self.layout.addStretch()
self.layout.addWidget(self.cancel)
self.layout.addWidget(self.ok)
def update_original_image(self):
image = self.plugin.image_viewer.image
self.plugin.image_viewer.original_image = image
self.plugin.close()
def close_plugin(self):
# Image viewer will restore original image on close.
self.plugin.close()
class SaveButtons(BaseWidget):
"""Buttons to save image to io.stack or to a file."""
def __init__(self, name='Save to:', default_format='png'):
super(SaveButtons, self).__init__(name)
self.default_format = default_format
self.name_label = QtWidgets.QLabel()
self.name_label.setText(name)
self.save_file = QtWidgets.QPushButton('File')
self.save_file.clicked.connect(self.save_to_file)
self.save_file.setFocusPolicy(QtCore.Qt.NoFocus)
self.save_stack = QtWidgets.QPushButton('Stack')
self.save_stack.clicked.connect(self.save_to_stack)
self.save_stack.setFocusPolicy(QtCore.Qt.NoFocus)
self.layout = QtWidgets.QHBoxLayout(self)
self.layout.addWidget(self.name_label)
self.layout.addWidget(self.save_stack)
self.layout.addWidget(self.save_file)
def save_to_stack(self):
image = self.plugin.filtered_image.copy()
io.push(image)
msg = dedent('''\
The image has been pushed to the io stack.
Use io.pop() to retrieve the most recently pushed image.
NOTE: The io stack only works in interactive sessions.''')
notify(msg)
def save_to_file(self, filename=None):
if not filename:
filename = dialogs.save_file_dialog()
if not filename:
return
image = self.plugin.filtered_image
if image.dtype == np.bool:
# TODO: This check/conversion should probably be in `imsave`.
image = img_as_ubyte(image)
io.imsave(filename, image)
def notify(msg):
msglabel = QtWidgets.QLabel(msg)
dialog = QtWidgets.QDialog()
ok = QtWidgets.QPushButton('OK', dialog)
ok.clicked.connect(dialog.accept)
ok.setDefault(True)
dialog.layout = QtWidgets.QGridLayout(dialog)
dialog.layout.addWidget(msglabel, 0, 0, 1, 3)
dialog.layout.addWidget(ok, 1, 1)
dialog.exec_()