def __init__(self, start_state: GridGameState): super().__init__(start_state) self.start_state: GridGameState = start_state self.spaces = [] # self.spaces[i][j] holds row i, column j self.column_dividers = [] self.row_dividers = [] self.column_labels = [] self.row_labels = [] self.text_x = self.text_y = 0 ui = self.ui = Ui_GridControls() ui.setupUi(self) scene = QGraphicsScene() ui.game_display.setScene(scene) scene.setBackgroundBrush(self.background_colour) self.player1_icon = self.create_icon(self.player1_colour) self.player2_icon = self.create_icon(self.player2_colour) ui.black_count_pixmap.setText('') ui.white_count_pixmap.setText('') ui.black_count.setText('') ui.white_count.setText('') for _ in range(start_state.board_height - 1): self.row_dividers.append(scene.addLine(0, 0, 1, 1)) for _ in range(start_state.board_width - 1): self.column_dividers.append(scene.addLine(0, 0, 1, 1)) for i in range(start_state.board_height): self.row_labels.append(scene.addSimpleText(f'{i + 1}')) for j in range(start_state.board_width): self.column_labels.append(scene.addSimpleText(chr(65 + j))) self.to_move = scene.addEllipse(0, 0, 1, 1, brush=self.get_player_brush( self.start_state.X_PLAYER)) self.to_move.setVisible(False) self.move_text = ui.move_text for i in range(self.start_state.board_height): row: typing.List[GraphicsPieceItem] = [] self.spaces.append(row) for j in range(self.start_state.board_width): piece = GraphicsPieceItem(i, j, self) scene.addItem(piece) piece.setBrush(self.background_colour) piece.setPen(self.background_colour) row.append(piece) self.debug_message = ''
class MainWindow(QMainWindow): """Main application window""" def __init__(self) -> None: QMainWindow.__init__(self) self.setSizePolicy( QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)) self.setMaximumSize(QSize(1920, 1080)) self.setStyleSheet("padding: 0px; margin: 0px;") self.setIconSize(QSize(32, 32)) self.setWindowTitle("BossyBot 2000 - Image Tagger") self.setWindowIcon(self.load_icon(icon)) self.menubar = QMenuBar(self) self.menubar.setSizePolicy(EXP_MAX) self.menubar.setMaximumSize(QSize(INFINITE, 30)) self.menu_file = QMenu('File', self.menubar) self.menu_options = QMenu('Options', self.menubar) self.menu_help = QMenu('Help', self.menubar) self.menubar.addAction(self.menu_file.menuAction()) self.menubar.addAction(self.menu_options.menuAction()) self.menubar.addAction(self.menu_help.menuAction()) self.open = QAction('Open', self) self.menu_file.addAction(self.open) self.open.triggered.connect(self.open_file) self.exit_button = QAction('Exit', self) self.exit_button.triggered.connect(lambda: sys.exit(0), Qt.QueuedConnection) self.menu_file.addAction(self.exit_button) self.setMenuBar(self.menubar) self.previous_button = QAction(self.load_icon(previous), '<<', self) self.next_button = QAction(self.load_icon(next_icon), '>>', self) self.rotate_left_button = QAction(self.load_icon(left), '', self) self.rotate_right_button = QAction(self.load_icon(right), '', self) self.play_button = QAction(self.load_icon(play), '', self) self.play_button.setCheckable(True) self.delete_button = QAction(self.load_icon(delete), '', self) self.reload_button = QAction(self.load_icon(reload), '', self) self.mirror_button = QAction('Mirror', self) self.actual_size_button = QAction('Actual Size', self) self.browser_button = QAction('Browser', self) self.browser_button.setCheckable(True) self.browser_button.setChecked(True) self.crop_button = QAction('Crop', self) self.crop_button.setCheckable(True) self.toolbuttons = { self.rotate_left_button: { 'shortcut': ',', 'connect': lambda: self.pixmap.setRotation(self.pixmap.rotation() - 90) }, self.rotate_right_button: { 'shortcut': '.', 'connect': lambda: self.pixmap.setRotation(self.pixmap.rotation() + 90) }, self.delete_button: { 'shortcut': 'Del', 'connect': self.delete }, self.previous_button: { 'shortcut': 'Left', 'connect': self.previous }, self.play_button: { 'shortcut': 'Space', 'connect': self.play }, self.next_button: { 'shortcut': 'Right', 'connect': self.next }, self.reload_button: { 'shortcut': 'F5', 'connect': self.reload } } self.toolbar = QToolBar(self) self.toolbar.setSizePolicy(EXP_MAX) self.toolbar.setMaximumSize(QSize(INFINITE, 27)) for _ in (self.browser_button, self.crop_button, self.mirror_button, self.actual_size_button): self.toolbar.addAction(_) self.addToolBar(Qt.TopToolBarArea, self.toolbar) for button in self.toolbuttons: button.setShortcut(self.toolbuttons[button]['shortcut']) button.triggered.connect(self.toolbuttons[button]['connect']) self.toolbar.addAction(button) self.centralwidget = QWidget(self) self.centralwidget.setSizePolicy(EXP_EXP) self.setCentralWidget(self.centralwidget) self.grid = QGridLayout(self.centralwidget) self.media = QGraphicsScene(self) self.media.setItemIndexMethod(QGraphicsScene.NoIndex) self.media.setBackgroundBrush(QBrush(Qt.black)) self.view = MyView(self.media, self) self.view.setSizePolicy(EXP_EXP) self.media.setSceneRect(0, 0, self.view.width(), self.view.height()) self.grid.addWidget(self.view, 0, 0, 1, 1) self.frame = QFrame(self.centralwidget) self.frame.setSizePolicy( QSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)) self.frame.setMinimumSize(QSize(325, 500)) self.frame.setStyleSheet( "QFrame { border: 4px inset #222; border-radius: 10; }") self.layout_widget = QWidget(self.frame) self.layout_widget.setGeometry(QRect(0, 400, 321, 91)) self.layout_widget.setContentsMargins(15, 15, 15, 15) self.grid2 = QGridLayout(self.layout_widget) self.grid2.setContentsMargins(0, 0, 0, 0) self.save_button = QPushButton('Yes (Save)', self.layout_widget) self.save_button.setSizePolicy(FIX_FIX) self.save_button.setMaximumSize(QSize(120, 26)) self.save_button.setVisible(False) self.grid2.addWidget(self.save_button, 1, 0, 1, 1) self.no_save_button = QPushButton('No (Reload)', self.layout_widget) self.no_save_button.setSizePolicy(FIX_FIX) self.no_save_button.setMaximumSize(QSize(120, 26)) self.no_save_button.setVisible(False) self.grid2.addWidget(self.no_save_button, 1, 1, 1, 1) self.label = QLabel("Current image modified, save it?", self.layout_widget) self.label.setSizePolicy(FIX_FIX) self.label.setMaximumSize(QSize(325, 60)) self.label.setVisible(False) self.label.setAlignment(Qt.AlignCenter) self.grid2.addWidget(self.label, 0, 0, 1, 2) self.layout_widget = QWidget(self.frame) self.layout_widget.setGeometry(QRect(0, 0, 321, 213)) self.ass = QRadioButton('Ass', self.layout_widget) self.ass_exposed = QRadioButton('Ass (exposed)', self.layout_widget) self.ass_reset = QRadioButton(self.frame) self.ass_group = QButtonGroup(self) self.breasts = QRadioButton('Breasts', self.layout_widget) self.breasts_exposed = QRadioButton('Breasts (exposed)', self.layout_widget) self.breasts_reset = QRadioButton(self.frame) self.breasts_group = QButtonGroup(self) self.pussy = QRadioButton('Pussy', self.layout_widget) self.pussy_exposed = QRadioButton('Pussy (exposed)', self.layout_widget) self.pussy_reset = QRadioButton(self.frame) self.pussy_group = QButtonGroup(self) self.fully_clothed = QRadioButton('Fully Clothed', self.layout_widget) self.fully_nude = QRadioButton('Fully Nude', self.layout_widget) self.nudity_reset = QRadioButton(self.frame) self.nudity = QButtonGroup(self) self.smiling = QRadioButton('Smiling', self.layout_widget) self.glaring = QRadioButton('Glaring', self.layout_widget) self.expression_reset = QRadioButton(self.frame) self.expression = QButtonGroup(self) self.grid3 = QGridLayout(self.layout_widget) self.grid3.setVerticalSpacing(15) self.grid3.setContentsMargins(0, 15, 0, 0) self.radios = { self.ass: { 'this': 'ass', 'that': 'ass_exposed', 'group': self.ass_group, 'reset': self.ass_reset, 'grid': (0, 0, 1, 1) }, self.ass_exposed: { 'this': 'ass_exposed', 'that': 'ass', 'group': self.ass_group, 'reset': self.ass_reset, 'grid': (0, 1, 1, 1) }, self.breasts: { 'this': 'breasts', 'that': 'breasts_exposed', 'group': self.breasts_group, 'reset': self.breasts_reset, 'grid': (1, 0, 1, 1) }, self.breasts_exposed: { 'this': 'breasts_exposed', 'that': 'breasts', 'group': self.breasts_group, 'reset': self.breasts_reset, 'grid': (1, 1, 1, 1) }, self.pussy: { 'this': 'pussy', 'that': 'pussy_exposed', 'group': self.pussy_group, 'reset': self.pussy_reset, 'grid': (2, 0, 1, 1) }, self.pussy_exposed: { 'this': 'pussy_exposed', 'that': 'pussy', 'group': self.pussy_group, 'reset': self.pussy_reset, 'grid': (2, 1, 1, 1) }, self.fully_clothed: { 'this': 'fully_clothed', 'that': 'fully_nude', 'group': self.nudity, 'reset': self.nudity_reset, 'grid': (3, 0, 1, 1) }, self.fully_nude: { 'this': 'fully_nude', 'that': 'fully_clothed', 'group': self.nudity, 'reset': self.nudity_reset, 'grid': (3, 1, 1, 1) }, self.smiling: { 'this': 'smiling', 'that': 'glaring', 'group': self.expression, 'reset': self.expression_reset, 'grid': (4, 0, 1, 1) }, self.glaring: { 'this': 'glaring', 'that': 'smiling', 'group': self.expression, 'reset': self.expression_reset, 'grid': (4, 1, 1, 1) }, } for radio in self.radios: radio.setSizePolicy(FIX_FIX) radio.setMaximumSize(QSize(150, 22)) self.radios[radio]['reset'].setGeometry(QRect(0, 0, 0, 0)) self.grid3.addWidget(radio, *self.radios[radio]['grid']) if self.radios[radio]['group'] != self.nudity: radio.toggled.connect( lambda x=_, y=radio: self.annotate(self.radios[y]['this'])) self.radios[radio]['group'].addButton(radio) self.radios[radio]['group'].addButton(self.radios[radio]['reset']) self.save_tags_button = QPushButton('Save Tags', self.layout_widget) self.save_tags_button.setSizePolicy(FIX_FIX) self.save_tags_button.setMaximumSize(QSize(120, 26)) self.grid3.addWidget(self.save_tags_button, 5, 1, 1, 1) self.grid.addWidget(self.frame, 0, 1, 1, 1) self.browse_bar = QLabel(self.centralwidget) self.browse_bar.setSizePolicy(EXP_FIX) self.browse_bar.setMinimumSize(QSize(0, 100)) self.browse_bar.setMaximumSize(QSize(INFINITE, 100)) self.browse_bar.setStyleSheet("background: #000;") self.browse_bar.setAlignment(Qt.AlignCenter) self.h_box2 = QHBoxLayout(self.browse_bar) self.h_box2.setContentsMargins(4, 0, 0, 0) self.grid.addWidget(self.browse_bar, 1, 0, 1, 2) hiders = [ self.no_save_button.clicked, self.save_button.clicked, self.reload_button.triggered ] for hider in hiders: hider.connect(self.save_button.hide) hider.connect(self.no_save_button.hide) hider.connect(self.label.hide) showers = [ self.mirror_button.triggered, self.rotate_right_button.triggered, self.rotate_left_button.triggered ] for shower in showers: shower.connect(self.save_button.show) shower.connect(self.no_save_button.show) shower.connect(self.label.show) self.no_save_button.clicked.connect(self.reload) self.browser_button.toggled.connect(self.browse_bar.setVisible) self.play_button.toggled.connect(lambda: self.frame.setVisible( (True, False)[self.frame.isVisible()])) self.reload_button.triggered.connect(self.reload) self.mirror_button.triggered.connect(lambda: self.pixmap.setScale(-1)) self.save_button.clicked.connect(self.save_image) self.play_button.toggled.connect( lambda: self.browser_button.setChecked( (True, False)[self.browse_bar.isVisible()])) self.crop_button.toggled.connect(self.view.reset) self.actual_size_button.triggered.connect(self.actual_size) self.browser_button.triggered.connect(self.browser) self.save_tags_button.clicked.connect(self.save_tags) self.view.got_rect.connect(self.set_rect) self.crop_rect = QRect(QPoint(0, 0), QSize(0, 0)) self.dir_now = os.getcwd() self.files = [] self.index = 0 self.refresh_files() self.pixmap_is_scaled = False self.pixmap = QGraphicsPixmapItem() self.active_tag = '' self.reset_browser = False self.txt = PngInfo() def set_rect(self, rect: tuple[QPointF, QPointF]): """Converts the crop rectangle to a QRect after a crop action""" self.crop_rect = QRect(rect[0].toPoint(), rect[1].toPoint()) def keyPressEvent(self, event: QKeyEvent): # pylint: disable=invalid-name; """Keyboard event handler.""" if event.key() == Qt.Key_Escape and self.play_button.isChecked(): self.play_button.toggle() self.browser_button.setChecked((True, False)[self.reset_browser]) elif (event.key() in [16777220, 16777221] and self.view.g_rect.rect().width() > 0): self.view.got_rect.emit((self.view.g_rect.rect().topLeft(), self.view.g_rect.rect().bottomRight())) if self.view.g_rect.pen().color() == Qt.red: new_pix = self.pixmap.pixmap().copy(self.crop_rect) if self.pixmap_is_scaled: new_pix = new_pix.transformed( self.view.transform().inverted()[0], Qt.SmoothTransformation) self.update_pixmap(new_pix) elif self.view.g_rect.pen().color() == Qt.magenta: self.annotate_rect() self.view.annotation = False for _ in (self.label, self.save_button, self.no_save_button): _.show() self.view.reset() def play(self): """Starts a slideshow.""" if self.play_button.isChecked(): if self.browser_button.isChecked(): self.reset_browser = True else: self.reset_browser = False QTimer.singleShot(3000, self.play) self.next() def _yield_radio(self): """Saves code connecting signals from all the radio buttons.""" yield from self.radios.keys().__str__() def load_icon(self, icon_file): """Loads an icon from Base64 encoded strings in icons.py.""" pix = QPixmap() pix.loadFromData(icon_file) return QIcon(pix) def open_file(self, file: str) -> None: """ Open an image file and display it. :param file: The filename of the image to open """ if not os.path.isfile(file): file = QFileDialog(self, self.dir_now, self.dir_now).getOpenFileName()[0] self.dir_now = os.path.dirname(file) self.refresh_files() for i, index_file in enumerate(self.files): if file.split('/')[-1] == index_file: self.index = i self.view.setTransform(QTransform()) self.update_pixmap(QPixmap(file)) self.browser() self.load_tags() def refresh_files(self) -> list[str]: """Updates the file list when the directory is changed. Returns a list of image files available in the current directory.""" files = os.listdir(self.dir_now) self.files = [ file for file in sorted(files, key=lambda x: x.lower()) if file.endswith((".png", ".jpg", ".gif", ".bmp", ".jpeg")) ] def next(self) -> None: """Opens the next image in the file list.""" self.index = (self.index + 1) % len(self.files) self.reload() def previous(self) -> None: """Opens the previous image in the file list.""" self.index = (self.index + (len(self.files) - 1)) % len(self.files) self.reload() def save_image(self) -> None: """ Save the modified image file. If the current pixmap has been scaled, we need to load a non-scaled pixmap from the original file and re-apply the transformations that have been performed to prevent it from being saved as the scaled-down image. """ if self.pixmap_is_scaled: rotation = self.pixmap.rotation() mirror = self.pixmap.scale() < 0 pix = QPixmap(self.files[self.index]) pix = pix.transformed(QTransform().rotate(rotation)) if mirror: pix = pix.transformed(QTransform().scale(-1, 1)) pix.save(self.files[self.index], quality=-1) else: self.pixmap.pixmap().save(self.files[self.index], quality=-1) self.save_tags() def delete(self) -> None: """Deletes the current image from the file system.""" with suppress(OSError): os.remove(f"{self.dir_now}/{self.files.pop(self.index)}") self.refresh_files() def reload(self) -> None: """Reloads the current pixmap; used to update the screen when the current file is changed.""" self.open_file(f"{self.dir_now}/{self.files[self.index]}") def annotate(self, tag): """Starts an annotate action""" self.txt = PngInfo() self.view.annotation = True self.active_tag = tag self.view.reset() def wheelEvent(self, event: QWheelEvent) -> None: # pylint: disable=invalid-name """With Ctrl depressed, zoom the current image, otherwise fire the next/previous functions.""" modifiers = QApplication.keyboardModifiers() if event.angleDelta().y() == 120 and modifiers == Qt.ControlModifier: self.view.scale(0.75, 0.75) elif event.angleDelta().y() == 120: self.previous() elif event.angleDelta().y( ) == -120 and modifiers == Qt.ControlModifier: self.view.scale(1.25, 1.25) elif event.angleDelta().y() == -120: self.next() def actual_size(self) -> None: """Display the current image at its actual size, rather than scaled to fit the viewport.""" self.update_pixmap(QPixmap(self.files[self.index]), False) self.view.setDragMode(QGraphicsView.ScrollHandDrag) def mousePressEvent(self, event: QMouseEvent) -> None: # pylint: disable=invalid-name """Event handler for mouse button presses.""" if event.button() == Qt.MouseButton.ForwardButton: self.next() elif event.button() == Qt.MouseButton.BackButton: self.previous() def update_pixmap(self, new: QPixmap, scaled: bool = True) -> None: """ Updates the currently displayed image. :param new: The new `QPixmap` to be displayed. :param scaled: If False, don't scale the image to fit the viewport. """ self.pixmap_is_scaled = scaled self.media.clear() self.pixmap = self.media.addPixmap(new) self.pixmap.setTransformOriginPoint( self.pixmap.boundingRect().width() / 2, self.pixmap.boundingRect().height() / 2) if scaled and (new.size().width() > self.view.width() or new.size().height() > self.view.height()): self.view.fitInView(self.pixmap, Qt.KeepAspectRatio) self.media.setSceneRect(self.pixmap.boundingRect()) def annotate_rect(self): """Creates image coordinate annotation data.""" self.txt.add_itxt( f'{str(self.active_tag)}-rect', f'{str(self.crop_rect.x())}, {str(self.crop_rect.y())}, {str(self.crop_rect.width())}, {str(self.crop_rect.height())}' ) def browser(self): """Slot function to initialize image thumbnails for the 'browse mode.'""" while self.h_box2.itemAt(0): self.h_box2.takeAt(0).widget().deleteLater() index = (self.index + (len(self.files) - 2)) % len(self.files) for i, file in enumerate(self.files): file = self.dir_now + '/' + self.files[index] label = ClickableLabel(self, file) self.h_box2.addWidget(label) pix = QPixmap(file) if (pix.size().width() > self.browse_bar.width() / 5 or pix.size().height() > 100): pix = pix.scaled(self.browse_bar.width() / 5, 100, Qt.KeepAspectRatio) label.setPixmap(pix) index = (index + 1) % len(self.files) if i == 4: break def save_tags(self): """Save tags for currently loaded image into its iTxt data.""" file = self.files[self.index] img = Image.open(file) img.load() for key, value, in img.text.items(): self.txt.add_itxt(key, value) for key in self.radios: if key.isChecked(): self.txt.add_itxt(self.radios[key]['this'], 'True') self.txt.add_itxt(self.radios[key]['that'], 'False') img.save(file, pnginfo=self.txt) def load_tags(self): """Load tags from iTxt data.""" for radio in self.radios: if radio.isChecked(): self.radios[radio]['reset'].setChecked(True) filename = self.files[self.index] fqp = filename img = Image.open(fqp) img.load() with suppress(AttributeError): for key, value in img.text.items(): if value == 'True': for radio in self.radios: if key == self.radios[radio]['this']: radio.setChecked(True) self.view.annotation = False self.active_tag = '' self.view.reset() for key, value in img.text.items(): if key.endswith('-rect'): btn = [ radio for radio in self.radios if self.radios[radio]['this'] == key.split('-')[0] ] print(key, value) if btn[0].isChecked(): coords = [int(coord) for coord in value.split(', ')] rect = QGraphicsRectItem(*coords) rect.setPen(QPen(Qt.magenta, 1, Qt.SolidLine)) rect.setBrush(QBrush(Qt.magenta, Qt.Dense4Pattern)) self.view.scene().addItem(rect) text = self.view.scene().addText( key.split('-')[0], QFont('monospace', 20, 400, False)) text.font().setPointSize(text.font().pointSize() * 2) text.update() text.setX(rect.rect().x() + 10) text.setY(rect.rect().y() + 10) print(f'set {key}')
class QRScanner(QWidget): QR_SIZE = 0.75 # Size of rectangle for QR capture readyForCapture = Signal(bool) decodedQR = Signal(str) def __init__(self, parent=None): QWidget.__init__(self, parent) self.processing = False self.rectangle = None self.setMinimumHeight(405) self.layout = QVBoxLayout() self.layout.setContentsMargins(0, 0, 0, 0) self.scene = QGraphicsScene(self) self.scene.setBackgroundBrush(QBrush(Qt.black)) self.view = QGraphicsView(self.scene) self.viewfinder = QGraphicsVideoItem() self.scene.addItem(self.viewfinder) self.layout.addWidget(self.view) self.setLayout(self.layout) self.camera = None self.captureSession = None self.imageCapture = None self.captureTimer = None def startScan(self): if len(QMediaDevices.videoInputs()) == 0: logging.warning(self.tr("There are no cameras available")) return self.processing = True # disable any capture while camera is starting self.camera = QCamera(QMediaDevices.defaultVideoInput()) self.captureSession = QMediaCaptureSession() self.imageCapture = QImageCapture(self.camera) self.captureSession.setCamera(self.camera) self.captureSession.setVideoOutput(self.viewfinder) self.captureSession.setImageCapture(self.imageCapture) self.camera.errorOccurred.connect(self.onCameraError) self.readyForCapture.connect(self.onReadyForCapture) self.imageCapture.errorOccurred.connect(self.onCaptureError) self.imageCapture.readyForCaptureChanged.connect( self.onReadyForCapture) self.imageCapture.imageCaptured.connect(self.onImageCaptured) self.viewfinder.nativeSizeChanged.connect(self.onVideoSizeChanged) self.camera.start() self.processing = False self.readyForCapture.emit(self.imageCapture.isReadyForCapture()) def stopScan(self): if self.camera is None: return self.processing = True # disable capture self.camera.stop() self.camera = None self.captureSession = None self.imageCapture = None self.captureTimer = None def onVideoSizeChanged(self, _size): self.resizeEvent(None) # Take QImage or QRect (object with 'width' and 'height' properties and calculate position and size # of the square with side of self.QR_SIZE from minimum of height or width def calculate_center_square(self, img_rect) -> QRectF: a = self.QR_SIZE * min(img_rect.height(), img_rect.width()) # Size of square side x = (img_rect.width() - a) / 2 # Position of the square inside rectangle y = (img_rect.height() - a) / 2 if type(img_rect ) != QImage: # if we have a bounding rectangle, not an image x += img_rect.left( ) # then we need to shift our square inside this rectangle y += img_rect.top() return QRectF(x, y, a, a) def resizeEvent(self, event): bounds = self.scene.itemsBoundingRect() if bounds.width() <= 0 or bounds.height() <= 0: return # do nothing if size is zero self.view.fitInView(bounds, Qt.KeepAspectRatio) if self.rectangle is not None: self.scene.removeItem(self.rectangle) pen = QPen(Qt.green) pen.setWidth(0) pen.setStyle(Qt.DashLine) self.rectangle = self.scene.addRect( self.calculate_center_square(bounds), pen) self.view.centerOn(0, 0) self.view.raise_() def onCaptureError(self, _id, error, error_str): self.processing = False self.onCameraError(error, error_str) def onCameraError(self, error, error_str): logging.error( self.tr("Camera error: " + str(error) + " / " + error_str)) def onReadyForCapture(self, ready: bool): if ready and not self.processing: self.imageCapture.capture() self.processing = True def onImageCaptured(self, _id: int, img: QImage): self.decodeQR(img) self.processing = False if self.imageCapture is not None: self.readyForCapture.emit(self.imageCapture.isReadyForCapture()) def decodeQR(self, qr_image: QImage): cropped = qr_image.copy( self.calculate_center_square(qr_image).toRect()) # TODO: the same code is present in slips.py -> move to one place buffer = QBuffer() buffer.open(QBuffer.ReadWrite) cropped.save(buffer, "BMP") try: pillow_image = Image.open(io.BytesIO(buffer.data())) except UnidentifiedImageError: print("Image format isn't supported") return barcodes = pyzbar.decode(pillow_image, symbols=[pyzbar.ZBarSymbol.QRCODE]) if barcodes: self.decodedQR.emit(barcodes[0].data.decode('utf-8'))