Source code for layer_viewer.layers.binary_object_layer

from .layer_base import LayerBase
from ..widgets import TrippleToggleEye, ToggleEye, FractionSelectionBar
from ..pixel_path import *
from .layer_controller import *
import pyqtgraph as pg
import os
from pyqtgraph.Qt import QtCore, QtGui
import numpy

###############################################################################
from builtins import range

# from past.utils import old_div
import warnings
from PyQt5.QtCore import (
    pyqtSignal,
    Qt,
    QEvent,
    QRect,
    QSize,
    QTimer,
    QPoint,
    QItemSelectionModel,
)
from PyQt5.QtGui import QPainter, QFontMetrics, QFont, QPalette, QMouseEvent, QPixmap
from PyQt5.QtWidgets import (
    QStyledItemDelegate,
    QWidget,
    QListView,
    QStyle,
    QLabel,
    QGridLayout,
    QSpinBox,
    QApplication,
)


[docs]class BinaryObjectLayer(LayerBase): def __init__(self, name, data=None, color=None): super(BinaryObjectLayer, self).__init__(name=name) if color is None: s4 = (lut_size + with_background) * 4 color = numpy.random.randint(low=0, high=255, size=3) lut = numpy.zeros([2, 4]) lut[:, 0:3] = color lut[:, 3] = 255 lut[0, 3] = 0 self.lut = lut.astype("int64") self.m_data = data self.m_image_item = pg.ImageItem() if self.m_data is not None: self.m_image_item.setImage(self._apply_lut(self.m_data), autoLevels=False) self.m_ctrl_widget = LayerItemWidget(name=self.name, add_gradient_widgtet=False) # self.m_ctrl_widget.setLut(lut) self.viewer = None w = self.m_ctrl_widget self.m_ctrl_widget.toggleEye.setActive(True) def toogleEyeChanged(state): if self.viewer.m_exlusive_layer is not None: self.viewer.m_exlusive_layer.setVisible(True) self.viewer.m_exlusive_layer = None if state == 2: self.viewer.showAndHideOthers(self.name) else: self.setVisible(bool(state)) self.m_ctrl_widget.toggleEye.stateChanged.connect(toogleEyeChanged) self.m_ctrl_widget.bar.fractionChanged.connect(self.setOpacity) self.m_ctrl_widget.layer = self def _apply_lut(self, image): image = image.astype("int64") img = numpy.take(self.lut, image, axis=0, mode="clip").astype("uint8") return img
[docs] def ctrl_widget(self): return self.m_ctrl_widget
[docs] def get_image_item(self): return self.m_image_item
[docs] def setOpacity(self, opacity): self.m_ctrl_widget.setFraction(opacity) self.m_image_item_group.setOpacity(opacity)
[docs] def setVisible(self, visible): self.m_ctrl_widget.toggleEye.setState(visible) self.m_image_item.setVisible(visible)
[docs] def setZValue(self, z): self.m_image_item.setZValue(z)
[docs] def updateData(self, image): self.m_image_item.updateImage(self._apply_lut(image))
[docs] def setData(self, image): self.m_image_item.setImage(self._apply_lut(image), autoLevels=False)