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