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

    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):

        w = self.m_ctrl_widget
        w.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))
        

        w.toggleEye.stateChanged.connect(toogleEyeChanged)

        w.bar.fractionChanged.connect(self.setOpacity)  

        w.layer = self
        return w

[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)