class TestGUI(QMainWindow): def __init__(self, source=None): QMainWindow.__init__(self) self.showMaximized() self.vidpip = GstVideoPipeline(source=source) self.vidpip.size_widgets(frac=0.5) self.vidpip.setupGst() self.initUI() self.vidpip.run() def initUI(self): self.setWindowTitle('Test') self.vidpip.setupWidgets() layout = QHBoxLayout() self.control_scroll = get_control_scroll(self.vidpip) if self.control_scroll: layout.addWidget(self.control_scroll) layout.addWidget(self.vidpip.full_widget) centralWidget = QWidget() centralWidget.setLayout(layout) self.setCentralWidget(centralWidget) self.show()
class TestGUI(QMainWindow): def __init__(self, source=None): QMainWindow.__init__(self) self.vidpip = GstVideoPipeline(source=source) self.initUI() # self.mysink = Gst.ElementFactory.make("mysink") # self.mysink = MySink() self.mysink = CbSink() self.vidpip.player.add(self.mysink) self.raw = 0 if self.raw: totee = self.mysink else: print("Create jpegnec") self.jpegenc = Gst.ElementFactory.make("jpegenc") self.vidpip.player.add(self.jpegenc) totee = self.jpegenc def cb(buffer): print("got buffer, size %u" % len(buffer)) if self.raw: open("raw.bin", "wb").write(buffer) else: open("raw.jpg", "wb").write(buffer) # Initialize this early so we can get control default values self.vidpip.setupGst(raw_tees=[totee]) if not self.raw: print("raw add") assert self.jpegenc.link(self.mysink) self.mysink.cb = cb assert self.mysink self.vidpip.run() def initUI(self): self.setWindowTitle('Demo') self.vidpip.setupWidgets() layout = QHBoxLayout() layout.addWidget(self.vidpip.full_widget) widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) self.showMaximized() self.show()
class TestGUI(QMainWindow): def __init__(self, source=None): QMainWindow.__init__(self) self.vidpip = GstVideoPipeline(source=source) self.initUI() self.vidpip.setupGst() self.vidpip.run() def initUI(self): self.setWindowTitle('Demo') self.vidpip.setupWidgets() layout = QHBoxLayout() layout.addWidget(self.vidpip.full_widget) widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) self.showMaximized() self.show()
class TestGUI(QMainWindow): def __init__(self, source=None): QMainWindow.__init__(self) self.vidpip = GstVideoPipeline(source=source) self.initUI() self.fakesink = Gst.ElementFactory.make("fakesink") self.vidpip.player.add(self.fakesink) self.vidpip.setupGst(vc_tees=[self.fakesink]) self.vidpip.run() def initUI(self): self.setWindowTitle('Demo') self.vidpip.setupWidgets() layout = QHBoxLayout() layout.addWidget(self.vidpip.full_widget) widget = QWidget() widget.setLayout(layout) self.setCentralWidget(widget) self.showMaximized() self.show()
class TestGUI(QMainWindow): def __init__(self, source=None, esize=None): QMainWindow.__init__(self) self.showMaximized() self.vidpip = GstVideoPipeline(source=source) self.vidpip.size_widgets(frac=0.5) self.mysink = CbSink() self.vidpip.player.add(self.mysink) self.snapshot_requested = False self.raw = 0 if self.raw: totee = self.mysink else: print("Create jpegnec") self.jpegenc = Gst.ElementFactory.make("jpegenc") self.vidpip.player.add(self.jpegenc) totee = self.jpegenc self.vidpip.setupGst(raw_tees=[totee], esize=esize) if not self.raw: print("raw add") assert self.jpegenc.link(self.mysink) self.mysink.cb = self.snapshot_cb self.initUI() self.vidpip.run() self.control_scroll.run() def snapshot_fn(self): prefix_date = True snapshot_dir = "snapshot" if self.raw: extension = ".bin" else: extension = ".jpg" user = "" if not os.path.exists(snapshot_dir): os.mkdir(snapshot_dir) prefix = '' if prefix_date: # 2020-08-12_06-46-21 prefix = datetime.datetime.utcnow().isoformat().replace( 'T', '_').replace(':', '-').split('.')[0] + "_" mod = None while True: mod_str = '' if mod: mod_str = '_%u' % mod fn_full = os.path.join(snapshot_dir, prefix + user + mod_str + extension) if os.path.exists(fn_full): if mod is None: mod = 1 else: mod += 1 continue return fn_full def snapshot_cb(self, buffer): if not self.snapshot_requested: return fn = self.snapshot_fn() print("got buffer, size %u, save %s" % (len(buffer), fn)) open(fn, "wb").write(buffer) self.snapshot_requested = False def initUI(self): self.setWindowTitle('Test') self.vidpip.setupWidgets() #print(dir(self.vidpip.source)) #assert 0 def buttonBarLayout(): layout = QHBoxLayout() btn = QPushButton("Snapshot") def requestSnapshot(): self.snapshot_requested = True btn.clicked.connect(requestSnapshot) layout.addWidget(btn) return layout def liveTabWidget(): layout = QVBoxLayout() layout.addWidget(self.vidpip.full_widget) widget = QWidget() widget.setLayout(layout) return widget def imageTabs(): tb = QTabWidget() tb.addTab(liveTabWidget(), "Live") return tb def lowerlLayout(): layout = QHBoxLayout() self.control_scroll = get_control_scroll(self.vidpip) layout.addWidget(self.control_scroll) layout.addWidget(imageTabs()) return layout layout = QVBoxLayout() layout.addLayout(buttonBarLayout()) layout.addLayout(lowerlLayout()) centralWidget = QWidget() centralWidget.setLayout(layout) self.setCentralWidget(centralWidget) self.show()
class TestGUI(QMainWindow): def __init__(self, source=None): QMainWindow.__init__(self) self.showMaximized() self.vidpip = GstVideoPipeline(source=source) self.vidpip.size_widgets(frac=0.5) self.mysink = CbSink() self.vidpip.player.add(self.mysink) self.snapshot_requested = False self.raw = 0 if self.raw: totee = self.mysink else: print("Create jpegnec") self.jpegenc = Gst.ElementFactory.make("jpegenc") self.vidpip.player.add(self.jpegenc) totee = self.jpegenc self.vidpip.setupGst(raw_tees=[totee]) if not self.raw: print("raw add") assert self.jpegenc.link(self.mysink) self.initUI() self.vidpip.run() # Starts the polling timer # Lets disable in favor of manually controlling updates # to avoid contention with AWB algorithm # self.control_scroll.run() self.setup_processor() """ # Now driven through image CB self.awb_timer = QTimer() self.awb_timer.timeout.connect(self.updateControls) self.awb_timer.start(1000) """ def setup_processor(self): self.processor = ImageProcessor(self) self.processor.n_frames.connect(self.n_frames.setNum) self.processor.r_val.connect(self.r_val.setNum) self.processor.g_val.connect(self.g_val.setNum) self.processor.b_val.connect(self.b_val.setNum) self.processor.r_bal.connect(self.r_bal.setNum) self.processor.b_bal.connect(self.b_bal.setNum) self.processor.r_new.connect( self.control_scroll.widgets["Red"].setValue) # self.processor.g_new.connect(self.control_scroll.widgets["Gren"].setValue) self.processor.b_new.connect( self.control_scroll.widgets["Blue"].setValue) # Update after all other signals self.processor.b_new.connect(self.set_v4l2) self.mysink.set_cb(self.processor.img_cb) self.processor.start() def snapshot_cb(self, buffer): if not self.snapshot_requested: return fn = self.snapshot_fn() print("got buffer, size %u, save %s" % (len(buffer), fn)) open(fn, "wb").write(buffer) self.snapshot_requested = False def initUI(self): self.setWindowTitle('Test') self.vidpip.setupWidgets() #print(dir(self.vidpip.source)) #assert 0 def balLayout(): layout = QGridLayout() row = 0 layout.addWidget(QLabel('N'), row, 0) self.n_frames = QLabel('0') layout.addWidget(self.n_frames, row, 1) row += 1 layout.addWidget(QLabel('R_V'), row, 0) self.r_val = QLabel('0') layout.addWidget(self.r_val, row, 1) row += 1 layout.addWidget(QLabel('G_V'), row, 0) self.g_val = QLabel('0') layout.addWidget(self.g_val, row, 1) row += 1 layout.addWidget(QLabel('B_V'), row, 0) self.b_val = QLabel('0') layout.addWidget(self.b_val, row, 1) row += 1 layout.addWidget(QLabel('R_B'), row, 0) self.r_bal = QLabel('0') layout.addWidget(self.r_bal, row, 1) row += 1 layout.addWidget(QLabel('B_B'), row, 0) self.b_bal = QLabel('0') layout.addWidget(self.b_bal, row, 1) row += 1 return layout layout = QHBoxLayout() self.control_scroll = get_control_scroll(self.vidpip) layout.addWidget(self.control_scroll) layout.addLayout(balLayout()) layout.addWidget(self.vidpip.full_widget) centralWidget = QWidget() centralWidget.setLayout(layout) self.setCentralWidget(centralWidget) self.show() def set_v4l2(self, _hack): if self.fd() < 0: return for ctrl_name, val in self.control_scroll.get_properties().items(): v4l2_util.ctrl_set(self.fd(), ctrl_name, val) def fd(self): # -1 before pipeline started return self.control_scroll.fd()
class MainWindow(QMainWindow): cncProgress = pyqtSignal(int, int, str, int) snapshotCaptured = pyqtSignal(int) log_msg = pyqtSignal(str) pos = pyqtSignal(int) def __init__(self, source=None, controls=False): QMainWindow.__init__(self) self.showMaximized() # FIXME: pull from config file etc if source is None: source = usj["imager"]["source"] self.vidpip = GstVideoPipeline(source=source, full=True, roi=True) # FIXME: review sizing self.vidpip.size_widgets(frac=0.5) # self.capture_sink = Gst.ElementFactory.make("capturesink") self.jpegenc = Gst.ElementFactory.make("jpegenc") self.vidpip.player.add(self.jpegenc) self.capture_sink = CaptureSink() assert self.capture_sink self.vidpip.player.add(self.capture_sink) self.vidpip.setupGst(raw_tees=[self.jpegenc]) self.jpegenc.link(self.capture_sink) self.usj = usj # must be created early to accept early logging # not displayed until later though self.log_widget = QTextEdit() # Special case for logging that might occur out of thread self.log_msg.connect(self.log) # self.pos.connect(self.update_pos) self.snapshotCaptured.connect(self.captureSnapshot) self.pt = None self.log_fd = None hal = get_cnc_hal(log=self.emit_log) hal.progress = self.hal_progress self.cnc_thread = CncThread(hal=hal, cmd_done=self.cmd_done) self.cnc_thread.log_msg.connect(self.log) self.initUI() self.propwin = None self.propwin = PropertiesWindow(self.vidpip, show=controls, parent=self) self.activateWindow() self.vid_fd = None # Must not be initialized until after layout is set self.gstWindowId = None engine_config = self.usj['imager']['engine'] self.cnc_thread.start() # Offload callback to GUI thread so it can do GUI ops self.cncProgress.connect(self.processCncProgress) self.vidpip.run() self.init_imager() if self.usj['cnc']['startup_run']: self.run() def __del__(self): self.shutdown() def shutdown(self): self.cnc_thread.hal.ar_stop() if self.cnc_thread: self.cnc_thread.stop() self.cnc_thread = None if self.pt: self.pt.stop() self.pt = None def log(self, s='', newline=True): s = str(s) # print("LOG: %s" % s) if newline: s += '\n' c = self.log_widget.textCursor() c.clearSelection() c.movePosition(QTextCursor.End) c.insertText(s) self.log_widget.setTextCursor(c) if self.log_fd is not None: self.log_fd.write(s) def emit_log(self, s='', newline=True): # event must be omitted from the correct thread # however, if it hasn't been created yet assume we should log from this thread self.log_msg.emit(s) def update_pos(self, pos): for axis, axis_pos in pos.items(): self.axis_pos_label[axis].pos_value.setText('%0.3f' % axis_pos) def hal_progress(self, pos): # self.pos.emit(pos) pass def emit_pos(self, pos): # self.pos.emit(pos) pass def cmd_done(self, cmd, args, ret): print("FIXME: poll position instead of manually querying") def reload_obj_cb(self): '''Re-populate the objective combo box''' self.obj_cb.clear() self.obj_config = None self.obj_configi = None for objective in self.usj['objective']: self.obj_cb.addItem(objective['name']) def update_obj_config(self): '''Make resolution display reflect current objective''' self.obj_configi = self.obj_cb.currentIndex() self.obj_config = self.usj['objective'][self.obj_configi] self.log('Selected objective %s' % self.obj_config['name']) im_w_pix = int(self.usj['imager']['width']) im_h_pix = int(self.usj['imager']['height']) im_w_um = self.obj_config["x_view"] im_h_um = im_w_um * im_h_pix / im_w_pix self.obj_view.setText('View : %0.3fx %0.3fy' % (im_w_um, im_h_um)) def init_imager(self): source = self.vidpip.source_name self.log('Loading imager %s...' % source) if source == 'mock': self.imager = MockImager() elif source.find("gst-") == 0: self.imager = GstImager(self) else: raise Exception('Invalid imager type %s' % source) def update_v4l_config(self): pass def v4l_updated(self): for k, v in self.v4ls.items(): try: val = int(str(v.text())) except ValueError: continue if k == 'E': val = min(val, 800) else: val = min(val, 1023) ctrl_set(self.vid_fd, k, val) def add_v4l_controls(self, cl, row): self.v4ls = {} # hacked driver to directly drive values for ki, (label, v4l_name) in enumerate( (("Red", "Red Balance"), ("Green", "Gain"), ("Blue", "Blue Balance"), ("Exp", "Exposure"))): cols = 4 rowoff = ki / cols coloff = cols * (ki % cols) cl.addWidget(QLabel(label), row + rowoff, coloff) le = QLineEdit('') self.v4ls[v4l_name] = le cl.addWidget(le, row + rowoff, coloff + 1) le.textChanged.connect(self.v4l_updated) row += 2 def get_config_layout(self): cl = QGridLayout() row = 0 l = QLabel("Objective") cl.addWidget(l, row, 0) self.obj_cb = QComboBox() cl.addWidget(self.obj_cb, row, 1) self.obj_cb.currentIndexChanged.connect(self.update_obj_config) self.obj_view = QLabel("") cl.addWidget(self.obj_view, row, 2) # seed it self.reload_obj_cb() self.update_obj_config() row += 1 return cl def get_video_layout(self): # Overview def low_res_layout(): layout = QVBoxLayout() layout.addWidget(QLabel("Overview")) layout.addWidget(self.vidpip.full_widget) return layout # Higher res in the center for focusing def high_res_layout(): layout = QVBoxLayout() layout.addWidget(QLabel("Focus")) layout.addWidget(self.vidpip.roi_widget) return layout layout = QHBoxLayout() layout.addLayout(low_res_layout()) layout.addLayout(high_res_layout()) return layout def setupGst(self): pass def init_v4l_ctrl(self): """ Was being called on self.source.get_property("device-fd") v4l is lower priority right now. Revisit later """ print('Initializing V4L controls') vconfig = usj["imager"].get("v4l2", None) if vconfig: for configk, configv in vconfig.items(): break print('Selected config %s' % configk) for k, v in configv.items(): #ctrl_set(self.vid_fd, k, v) if k in self.v4ls: self.v4ls[k].setText(str(v)) def ret0(self): return pos = dict([(k, 0.0) for k in self.axis_pos_label]) self.cnc_thread.cmd('mv_abs', pos) def home(self): return self.cnc_thread.cmd('home', [k for k in self.axis_pos_label]) def mv_rel(self): return pos = dict([(k, float(str(axis.rel_pos_le.text()))) for k, axis in self.axis_pos_label.items()]) self.cnc_thread.cmd('mv_rel', pos) def mv_abs(self): return pos = dict([(k, float(str(axis.abs_pos_le.text()))) for k, axis in self.axis_pos_label.items()]) self.cnc_thread.cmd('mv_abs', pos) def processCncProgress(self, pictures_to_take, pictures_taken, image, first): #dbg('Processing CNC progress') if first: #self.log('First CB with %d items' % pictures_to_take) self.pb.setMinimum(0) self.pb.setMaximum(pictures_to_take) self.bench = Benchmark(pictures_to_take) else: #self.log('took %s at %d / %d' % (image, pictures_taken, pictures_to_take)) self.bench.set_cur_items(pictures_taken) self.log('Captured: %s' % (image, )) self.log('%s' % (str(self.bench))) self.pb.setValue(pictures_taken) def dry(self): return self.dry_cb.isChecked() def stop(self): if self.pt: self.log('Stop requested') self.pt.stop() def write_scan_json(self): scan_json = { "overlap": 0.7, "border": 0.1, "start": { "x": None, "y": None }, "end": { "x": None, "y": None } } try: # scan_json['overlap'] = float(self.overlap_le.text()) # scan_json['border'] = float(self.border_le.text()) scan_json['start']['x'] = float(self.plan_x0_le.text()) scan_json['start']['y'] = float(self.plan_y0_le.text()) scan_json['end']['x'] = float(self.plan_x1_le.text()) scan_json['end']['y'] = float(self.plan_y1_le.text()) except ValueError: self.log("Bad position") return False json.dump(scan_json, open('scan.json', 'w'), indent=4, sort_keys=True) return True def go_pause(self): # CNC running? if self.pt: # Pause if self.pt.is_paused(): self.go_pause_pb.setText("Pause") self.pt.unpause() else: self.go_pause_pb.setText("Continue") self.pt.pause() return if not self.snapshot_pb.isEnabled(): self.log("Wait for snapshot to complete before CNC'ing") return dry = self.dry() if dry: dbg('Dry run checked') if not self.write_scan_json(): return def emitCncProgress(pictures_to_take, pictures_taken, image, first): #print 'Emitting CNC progress' if image is None: image = '' self.cncProgress.emit(pictures_to_take, pictures_taken, image, first) if not dry and not os.path.exists(self.usj['out_dir']): os.mkdir(self.usj['out_dir']) out_dir = os.path.join(self.usj['out_dir'], str(self.job_name_le.text())) if os.path.exists(out_dir): self.log("job name dir %s already exists" % out_dir) return if not dry: os.mkdir(out_dir) rconfig = { 'cnc_hal': self.cnc_thread.hal, # Will be offloaded to its own thread # Operations must be blocking # We enforce that nothing is running and disable all CNC GUI controls 'imager': self.imager, # Callback for progress 'progress_cb': emitCncProgress, 'out_dir': out_dir, # Comprehensive config structure 'uscope': self.usj, # Which objective to use in above config 'obj': self.obj_configi, # Set to true if should try to mimimize hardware actions 'dry': dry, 'overwrite': False, } # If user had started some movement before hitting run wait until its done dbg("Waiting for previous movement (if any) to cease") # TODO: make this not block GUI self.cnc_thread.wait_idle() """ { //input directly into planner "params": { x0: 123, y0: 356, } //planner generated parameters "planner": { "mm_width": 2.280666667, "mm_height": 2.232333333, "pix_width": 6842, "pix_height": 6697, "pix_nm": 333.000000, }, //source specific parameters "imager": { "microscope.json": { ... } "objective": "mit20x", "v4l": { "rbal": 123, "bbal": 234, "gain": 345, "exposure": 456 }, "sticher": { "type": "xystitch" }, "copyright": "© 2020 John McMaster, CC-BY", } """ # obj = rconfig['uscope']['objective'][rconfig['obj']] imagerj = {} imagerj["microscope.json"] = usj usj["imager"][ "calibration"] = self.propwin.control_scroll.get_properties() # not sure if this is the right place to add this # imagerj['copyright'] = "© %s John McMaster, CC-BY" % datetime.datetime.today().year imagerj['objective'] = rconfig['obj'] self.imager.add_planner_metadata(imagerj) self.pt = PlannerThread(self, rconfig, imagerj) self.pt.log_msg.connect(self.log) self.pt.plannerDone.connect(self.plannerDone) self.setControlsEnabled(False) if dry: self.log_fd = StringIO() else: self.log_fd = open(os.path.join(out_dir, 'log.txt'), 'w') self.go_pause_pb.setText("Pause") self.pt.start() def setControlsEnabled(self, yes): #self.go_pause_pb.setEnabled(yes) #self.mv_abs_pb.setEnabled(yes) #self.mv_rel_pb.setEnabled(yes) self.snapshot_pb.setEnabled(yes) def plannerDone(self): self.log('RX planner done') self.go_pause_pb.setText("Go") # Cleanup camera objects self.log_fd = None self.pt = None self.cnc_thread.hal.dry = False self.setControlsEnabled(True) if self.usj['cnc']['startup_run_exit']: print('Planner debug break on completion') os._exit(1) # Prevent accidental start after done self.dry_cb.setChecked(True) """ def stop(self): '''Stop operations after the next operation''' self.cnc_thread.stop() def estop(self): '''Stop operations immediately. Position state may become corrupted''' self.cnc_thread.estop() def clear_estop(self): '''Stop operations immediately. Position state may become corrupted''' self.cnc_thread.unestop() """ def set_start_pos(self): ''' try: lex = float(self.plan_x0_le.text()) except ValueError: self.log('WARNING: bad X value') try: ley = float(self.plan_y0_le.text()) except ValueError: self.log('WARNING: bad Y value') ''' # take as upper left corner of view area # this is the current XY position pos = self.cnc_thread.pos() #self.log("Updating start pos w/ %s" % (str(pos))) self.plan_x0_le.setText('%0.3f' % pos['x']) self.plan_y0_le.setText('%0.3f' % pos['y']) def set_end_pos(self): # take as lower right corner of view area # this is the current XY position + view size pos = self.cnc_thread.pos() #self.log("Updating end pos from %s" % (str(pos))) x_view = self.obj_config["x_view"] y_view = 1.0 * x_view * self.usj['imager']['height'] / self.usj[ 'imager']['width'] x1 = pos['x'] + x_view y1 = pos['y'] + y_view self.plan_x1_le.setText('%0.3f' % x1) self.plan_y1_le.setText('%0.3f' % y1) def get_axes_gb(self): """ Grid layout 3w x 4h X Y Current Start End start, end should be buttons to snap current position """ gl = QGridLayout() row = 0 gl.addWidget(QLabel("X (mm)"), row, 1) gl.addWidget(QLabel("Y (mm)"), row, 2) row += 1 self.axis_pos_label = {} gl.addWidget(QLabel("Current"), row, 0) label = QLabel("?") gl.addWidget(label, row, 1) self.axis_pos_label['x'] = label label = QLabel("?") gl.addWidget(label, row, 2) self.axis_pos_label['y'] = label row += 1 self.plan_start_pb = QPushButton("Start") self.plan_start_pb.clicked.connect(self.set_start_pos) gl.addWidget(self.plan_start_pb, row, 0) self.plan_x0_le = QLineEdit('0.000') gl.addWidget(self.plan_x0_le, row, 1) self.plan_y0_le = QLineEdit('0.000') gl.addWidget(self.plan_y0_le, row, 2) row += 1 self.plan_end_pb = QPushButton("End") self.plan_end_pb.clicked.connect(self.set_end_pos) gl.addWidget(self.plan_end_pb, row, 0) self.plan_x1_le = QLineEdit('0.000') gl.addWidget(self.plan_x1_le, row, 1) self.plan_y1_le = QLineEdit('0.000') gl.addWidget(self.plan_y1_le, row, 2) row += 1 gb = QGroupBox('Axes') gb.setLayout(gl) return gb def get_snapshot_layout(self): gb = QGroupBox('Snapshot') layout = QGridLayout() snapshot_dir = self.usj['imager']['snapshot_dir'] if not os.path.isdir(snapshot_dir): self.log('Snapshot dir %s does not exist' % snapshot_dir) if os.path.exists(snapshot_dir): raise Exception("Snapshot directory is not accessible") os.mkdir(snapshot_dir) self.log('Snapshot dir %s created' % snapshot_dir) # nah...just have it in the config # d = QFileDialog.getExistingDirectory(self, 'Select snapshot directory', snapshot_dir) self.snapshot_serial = -1 self.snapshot_pb = QPushButton("Snap") self.snapshot_pb.clicked.connect(self.take_snapshot) layout.addWidget(self.snapshot_pb, 0, 0) self.snapshot_fn_le = QLineEdit('snapshot') self.snapshot_suffix_le = QLineEdit('.jpg') # XXX: since we already have jpegenc this is questionable self.snapshot_suffix_le.setEnabled(False) self.snapshot_suffix_le.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) hl = QHBoxLayout() hl.addWidget(self.snapshot_fn_le) hl.addWidget(self.snapshot_suffix_le) layout.addLayout(hl, 0, 1) gb.setLayout(layout) return gb def take_snapshot(self): self.log('Requesting snapshot') # Disable until snapshot is completed self.snapshot_pb.setEnabled(False) def emitSnapshotCaptured(image_id): self.log('Image captured: %s' % image_id) self.snapshotCaptured.emit(image_id) self.capture_sink.request_image(emitSnapshotCaptured) def snapshot_fn(self): user = str(self.snapshot_fn_le.text()) prefix = '' # if self.prefix_date_cb.isChecked(): if 1: # 2020-08-12_06-46-21 prefix = datetime.datetime.utcnow().isoformat().replace( 'T', '_').replace(':', '-').split('.')[0] + "_" extension = str(self.snapshot_suffix_le.text()) mod = None while True: mod_str = '' if mod: mod_str = '_%u' % mod fn_full = os.path.join(self.usj['imager']['snapshot_dir'], prefix + user + mod_str + extension) if os.path.exists(fn_full): if mod is None: mod = 1 else: mod += 1 continue return fn_full def captureSnapshot(self, image_id): self.log('RX image for saving') def try_save(): image = self.capture_sink.pop_image(image_id) fn_full = self.snapshot_fn() self.log('Capturing %s...' % fn_full) factor = float(self.usj['imager']['scalar']) # Use a reasonably high quality filter try: get_scaled(image, factor, Image.ANTIALIAS).save(fn_full) # FIXME: refine except Exception: self.log('WARNING: failed to save %s' % fn_full) try_save() self.snapshot_pb.setEnabled(True) def get_scan_layout(self): """ Line up Go/Stop w/ "Job name" to make visually appealing """ gb = QGroupBox('Scan') layout = QHBoxLayout() def leftLayout(): layout = QGridLayout() layout.addWidget(QLabel('Job name'), 0, 0, 1, 2) self.go_pause_pb = QPushButton("Go") self.go_pause_pb.clicked.connect(self.go_pause) layout.addWidget(self.go_pause_pb, 1, 0) self.stop_pb = QPushButton("Stop") self.stop_pb.clicked.connect(self.stop) layout.addWidget(self.stop_pb, 1, 1) return layout def rightLayout(): layout = QVBoxLayout() def topLayout(): layout = QHBoxLayout() self.job_name_le = QLineEdit('default') layout.addWidget(self.job_name_le) layout.addWidget(QLabel('Dry?')) self.dry_cb = QCheckBox() self.dry_cb.setChecked(self.usj['cnc']['dry']) layout.addWidget(self.dry_cb) return layout layout.addLayout(topLayout()) self.pb = QProgressBar() layout.addWidget(self.pb) return layout layout.addLayout(leftLayout()) layout.addLayout(rightLayout()) gb.setLayout(layout) return gb def get_bottom_layout(self): layout = QHBoxLayout() layout.addWidget(self.get_axes_gb()) def get_lr_layout(): layout = QVBoxLayout() layout.addWidget(self.get_snapshot_layout()) layout.addWidget(self.get_scan_layout()) return layout layout.addLayout(get_lr_layout()) return layout def initUI(self): self.vidpip.setupWidgets() self.setWindowTitle('pr0ncnc') def rightLayout(): layout = QVBoxLayout() dbg("get_config_layout()") layout.addLayout(self.get_config_layout()) dbg("get_video_layout()") layout.addLayout(self.get_video_layout()) dbg("get_bottom_layout()") layout.addLayout(self.get_bottom_layout()) self.log_widget.setReadOnly(True) layout.addWidget(self.log_widget) return layout layout = QHBoxLayout() layout.addLayout(rightLayout()) w = QWidget() w.setLayout(layout) self.setCentralWidget(w) self.show() dbg("initUI done") def keyPressEvent(self, event): k = event.key() if k == Qt.Key_Escape: self.stop()