jansen.py

#!/usr/bin/env python

"""jansen.py: GUI for holographic video microscopy."""

from pyqtgraph.Qt import QtGui
from QFabGraphicsView import QFabGraphicsView
from QFabDVR import QFabDVR
from QFabVideo import QFabVideo
from QFabFilter import QFabFilter
import sys


class jansen(QtGui.QWidget):

    def __init__(self):
        super(jansen, self).__init__()
        self.init_hardware()
        self.init_ui()

    def init_hardware(self):
        # video screen
        screen_size = (640, 480)
        self.fabscreen = QFabGraphicsView(
            size=screen_size, gray=True, mirrored=False)
        # DVR
        self.dvr = QFabDVR(source=self.fabscreen.video)

    def init_ui(self):
        layout = QtGui.QHBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(1)
        layout.addWidget(self.fabscreen)
        wcontrols = QtGui.QWidget()
        controls = QtGui.QVBoxLayout()
        controls.setSpacing(1)
        controls.setSizeConstraint(QtGui.QLayout.SetFixedSize)
        controls.addWidget(self.dvr)
        self.wvideo = QFabVideo(self.fabscreen.video)
        controls.addWidget(self.wvideo)
        controls.addWidget(QFabFilter(self.fabscreen.video))
        wcontrols.setLayout(controls)
        layout.addWidget(wcontrols)
        self.setLayout(layout)
        self.show()
        self.dvr.recording.connect(self.handleRecording)

    def handleRecording(self, recording):
        self.wvideo.enabled = not recording


if __name__ == '__main__':
    app = QtGui.QApplication(sys.argv)
    instrument = jansen()
    sys.exit(app.exec_())