Exemple #1
0
class GridViewerCell(QGraphicsPolygonItem):
    def __init__(self, gridViewer, x, y):
        super(GridViewerCell, self).__init__()
        self.gridViewer = gridViewer
        self.x = x
        self.y = y
        self.selected = False

    def generate(self, points, show_label=False):

        qpolygon = QPolygonF([QPointF(xp, yp) for xp, yp in points])

        self.setPolygon(qpolygon)

        pen = QPen()
        pen.setWidth(3)
        self.setPen(pen)

        self.setFlag(QGraphicsItem.ItemIsFocusable)

        self.label = QGraphicsSimpleTextItem("{}-{}".format(self.x, self.y),
                                             parent=self)
        self.label.setVisible(show_label)

        if len(points) == 6:
            k = 0.5 if (self.x % 2) != 0 else 0
            self.label.setPos(
                QPointF(((self.x * 0.866) + 0.2886) * 120,
                        (self.y + k + 0.5) * 120))
        else:
            self.label.setPos(QPointF(self.x * 120, self.y * 120))

        font = QFont()
        font.setPointSize(20)
        self.label.setFont(font)

    def select(self):
        self.setBrush(QBrush(QColor(200, 0, 0, 100)))
        self.selected = True
        self.gridViewer.add_to_selection(self.x, self.y)

    def unselect(self):
        self.setBrush(QBrush())
        self.selected = False
        self.gridViewer.remove_from_selection(self.x, self.y)

    def mousePressEvent(self, *args, **kwargs):
        if self.selected:
            self.unselect()
        else:
            self.select()

    def show_label(self, visible):
        self.label.setVisible(visible)
Exemple #2
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    def init_ui(self):

        scene = QGraphicsScene()
        scene.setBackgroundBrush(QColor(100, 100, 100))
        scene.setItemIndexMethod(QGraphicsScene.BspTreeIndex)

        scene.setSceneRect(scene.itemsBoundingRect())

        self.setDragMode(QGraphicsView.RubberBandDrag)
        self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)
        self.setRenderHints(QPainter.Antialiasing | QPainter.TextAntialiasing)

        self.frame_item = QGraphicsPixmapItem()

        self.text_item_offset = 0
        self.rect_item_array = []
        self.text_item_array = []
        for i in range(0, 5):
            rect_item = QGraphicsRectItem()
            rect_item.setVisible(False)
            rect_item.setZValue(20.0)
            rect_item.setPen(QPen(Qt.red, 5))
            rect_item.setRect(20, 20, 20, 20)
            scene.addItem(rect_item)
            self.rect_item_array.append(rect_item)
            text_item = QGraphicsSimpleTextItem("")
            text_item.setBrush(QBrush(Qt.red))
            text_item.setZValue(20.0)
            text_item.setPos(10, 50)
            text_item.setFont(QFont("黑体", 32))
            text_item.setVisible(False)
            scene.addItem(text_item)
            self.text_item_array.append(text_item)

        scene.addItem(self.frame_item)

        self.curr_factor = 1.0

        self.setScene(scene)
Exemple #3
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    def init_ui(self):

        scene = QGraphicsScene()
        scene.setBackgroundBrush(QColor(100, 100, 100))
        scene.setItemIndexMethod(QGraphicsScene.BspTreeIndex)

        scene.setSceneRect(scene.itemsBoundingRect())

        self.setDragMode(QGraphicsView.RubberBandDrag)
        self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)
        self.setRenderHints(QPainter.Antialiasing | QPainter.TextAntialiasing)

        self.frame_item = QGraphicsPixmapItem()

        self.text_item_offset = 0
        self.rect_item_array = []
        self.text_item_array = []
        for i in range(0, 5):
            rect_item = QGraphicsRectItem()
            rect_item.setVisible(False)
            rect_item.setZValue(20.0)
            rect_item.setPen(QPen(Qt.red, 5))
            rect_item.setRect(20, 20, 20, 20)
            scene.addItem(rect_item)
            self.rect_item_array.append(rect_item)
            text_item = QGraphicsSimpleTextItem("")
            text_item.setBrush(QBrush(Qt.red))
            text_item.setZValue(20.0)
            text_item.setPos(10, 50)
            text_item.setFont(QFont("黑体", 24))
            text_item.setVisible(False)
            scene.addItem(text_item)
            self.text_item_array.append(text_item)

        scene.addItem(self.frame_item)

        self.curr_factor = 1.0

        self.setScene(scene)
class ActiveSliceItem(QGraphicsRectItem):
    """ActiveSliceItem for the Path View"""

    def __init__(self, part_item, active_base_index):
        super(ActiveSliceItem, self).__init__(part_item)
        self._part_item = part_item
        self._getActiveTool = part_item._getActiveTool
        self._active_slice = 0
        self._low_drag_bound = 0
        self._high_drag_bound = self.part().maxBaseIdx()
        self._controller = ActiveSliceItemController(self, part_item.part())

        self._label = QGraphicsSimpleTextItem("", parent=self)
        self._label.setPos(0, -18)
        self._label.setFont(_FONT)
        self._label.setBrush(_LABEL_BRUSH)
        self._label.hide()

        self.setFlag(QGraphicsItem.ItemIsMovable)
        self.setAcceptHoverEvents(True)
        self.setZValue(styles.ZACTIVESLICEHANDLE)
        self.setRect(QRectF(0, 0, _BASE_WIDTH,\
                      self._part_item.boundingRect().height()))
        self.setPos(active_base_index*_BASE_WIDTH, 0)
        self.setBrush(_BRUSH)
        self.setPen(_PEN)

        # reuse select tool methods for other tools
        self.addSeqToolMousePress = self.selectToolMousePress
        self.addSeqToolMouseMove = self.selectToolMouseMove
        self.breakToolMousePress = self.selectToolMousePress
        self.breakToolMouseMove = self.selectToolMouseMove
        self.insertionToolMousePress = self.selectToolMousePress
        self.insertionToolMouseMove = self.selectToolMouseMove
        self.paintToolMousePress = self.selectToolMousePress
        self.paintToolMouseMove = self.selectToolMouseMove
        self.pencilToolMousePress = self.selectToolMousePress
        self.pencilToolMouseMove = self.selectToolMouseMove
        self.skipToolMousePress = self.selectToolMousePress
        self.skipToolMouseMove = self.selectToolMouseMove
    # end def

    ### SLOTS ###
    def strandChangedSlot(self, sender, vh):
        pass
    # end def

    def updateRectSlot(self, part):
        bw = _BASE_WIDTH
        new_rect = QRectF(0, 0, bw,\
                    self._part_item.virtualHelixBoundingRect().height())
        if new_rect != self.rect():
            self.setRect(new_rect)
        self._hideIfEmptySelection()
        self.updateIndexSlot(part, part.activeBaseIndex())
        return new_rect
    # end def

    def updateIndexSlot(self, part, base_index):
        """The slot that receives active slice changed notifications from
        the part and changes the receiver to reflect the part"""
        label = self._label
        bw = _BASE_WIDTH
        bi = util.clamp(int(base_index), 0, self.part().maxBaseIdx())
        self.setPos(bi * bw, -styles.PATH_HELIX_PADDING)
        self._active_slice = bi
        if label:
            label.setText("%d" % bi)
            label.setX((bw - label.boundingRect().width()) / 2)
    # end def

    ### ACCESSORS ###
    def activeBaseIndex(self):
        return self.part().activeBaseIndex()
    # end def

    def part(self):
        return self._part_item.part()
    # end def

    def partItem(self):
        return self._part_item
    # end def

    ### PUBLIC METHODS FOR DRAWING / LAYOUT ###
    def removed(self):
        scene = self.scene()
        scene.removeItem(self._label)
        scene.removeItem(self)
        self._part_item = None
        self._label = None
        self._controller.disconnectSignals()
        self.controller = None
    # end def

    def resetBounds(self):
        """Call after resizing virtualhelix canvas."""
        self._high_drag_bound = self.part().maxBaseIdx()
    # end def

    ### PRIVATE SUPPORT METHODS ###
    def _hideIfEmptySelection(self):
        vis = self.part().numberOfVirtualHelices() > 0
        self.setVisible(vis)
        self._label.setVisible(vis)
    # end def

    def _setActiveBaseIndex(self, base_index):
        self.part().setActiveBaseIndex(base_index)
    # end def

    ### EVENT HANDLERS ###
    def hoverEnterEvent(self, event):
        self.setCursor(Qt.OpenHandCursor)
        self._part_item.updateStatusBar("%d" % self.part().activeBaseIndex())
        QGraphicsItem.hoverEnterEvent(self, event)
    # end def

    def hoverLeaveEvent(self, event):
        self.setCursor(Qt.ArrowCursor)
        self._part_item.updateStatusBar("")
        QGraphicsItem.hoverLeaveEvent(self, event)
    # end def

    def mousePressEvent(self, event):
        """
        Parses a mousePressEvent, calling the approproate tool method as
        necessary. Stores _move_idx for future comparison.
        """
        if event.button() != Qt.LeftButton:
            event.ignore()
            QGraphicsItem.mousePressEvent(self, event)
            return
        self.scene().views()[0].addToPressList(self)
        self._move_idx = int(floor((self.x() + event.pos().x()) / _BASE_WIDTH))
        tool_method_name = self._getActiveTool().methodPrefix() + "MousePress"
        if hasattr(self, tool_method_name):  # if the tool method exists
            modifiers = event.modifiers()
            getattr(self, tool_method_name)(modifiers)  # call tool method

    def mouseMoveEvent(self, event):
        """
        Parses a mouseMoveEvent, calling the approproate tool method as
        necessary. Updates _move_idx if it changed.
        """
        tool_method_name = self._getActiveTool().methodPrefix() + "MouseMove"
        if hasattr(self, tool_method_name):  # if the tool method exists
            idx = int(floor((self.x() + event.pos().x()) / _BASE_WIDTH))
            if idx != self._move_idx:  # did we actually move?
                modifiers = event.modifiers()
                self._move_idx = idx
                getattr(self, tool_method_name)(modifiers, idx)  # call tool method

    def customMouseRelease(self, event):
        """
        Parses a mouseReleaseEvent, calling the approproate tool method as
        necessary. Deletes _move_idx if necessary.
        """
        tool_method_name = self._getActiveTool().methodPrefix() + "MouseRelease"
        if hasattr(self, tool_method_name):  # if the tool method exists
            modifiers = event.modifiers()
            x = event.pos().x()
            getattr(self, tool_method_name)(modifiers, x)  # call tool method
        if hasattr(self, '_move_idx'):
            del self._move_idx

    ### TOOL METHODS ###
    def selectToolMousePress(self, modifiers):
        """
        Set the allowed drag bounds for use by selectToolMouseMove.
        """
        if (modifiers & Qt.AltModifier) and (modifiers & Qt.ShiftModifier):
            self.part().undoStack().beginMacro("Auto-drag Scaffold(s)")
            for vh in self.part().getVirtualHelices():
                # SCAFFOLD
                # resize 3' first
                for strand in vh.scaffoldStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx3p)
                        if strand.isDrawn5to3():
                            strand.resize((idx5p, hi))
                        else:
                            strand.resize((lo, idx5p))
                # resize 5' second
                for strand in vh.scaffoldStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx5p):
                        lo, hi = strand.getResizeBounds(idx5p)
                        if strand.isDrawn5to3():
                            strand.resize((lo, idx3p))
                        else:
                            strand.resize((idx3p, hi))
                # STAPLE
                # resize 3' first
                for strand in vh.stapleStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx3p)
                        if strand.isDrawn5to3():
                            strand.resize((idx5p, hi))
                        else:
                            strand.resize((lo, idx5p))
                # resize 5' second
                for strand in vh.stapleStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx5p)
                        if strand.isDrawn5to3():
                            strand.resize((lo, idx3p))
                        else:
                            strand.resize((idx3p, hi))

            self.part().undoStack().endMacro()
    # end def

    def selectToolMouseMove(self, modifiers, idx):
        """
        Given a new index (pre-validated as different from the prev index),
        calculate the new x coordinate for self, move there, and notify the
        parent strandItem to redraw its horizontal line.
        """
        idx = util.clamp(idx, self._low_drag_bound, self._high_drag_bound)
        x = int(idx * _BASE_WIDTH)
        self.setPos(x, self.y())
        self.updateIndexSlot(None, idx)
        self._setActiveBaseIndex(idx)
        self._part_item.updateStatusBar("%d" % self.part().activeBaseIndex())
Exemple #5
0
class StickWidget(QGraphicsObject):

    font: QFont = QFont("monospace", 32)

    delete_clicked = pyqtSignal(Stick)
    link_initiated = pyqtSignal('PyQt_PyObject') # Actually StickWidget
    link_accepted = pyqtSignal('PyQt_PyObject')
    hovered = pyqtSignal(['PyQt_PyObject', 'PyQt_PyObject'])
    stick_changed = pyqtSignal('PyQt_PyObject')
    sibling_changed = pyqtSignal(bool)
    right_clicked = pyqtSignal('PyQt_PyObject')

    handle_idle_brush = QBrush(QColor(0, 125, 125, 50))
    handle_hover_brush = QBrush(QColor(125, 125, 0, 50))
    handle_press_brush = QBrush(QColor(200, 200, 0, 0))
    handle_idle_pen = QPen(QColor(0, 0, 0, 255))
    handle_press_pen = QPen(QColor(200, 200, 0, 255))
    handle_size = 20

    normal_color = QColor(0, 200, 120)
    negative_color = QColor(200, 0, 0)
    positive_color = QColor(0, 200, 0)

    mismatched = pyqtSignal('PyQt_PyObject')
    misplaced = pyqtSignal('PyQt_PyObject')
    measurement_corrected = pyqtSignal('PyQt_PyObject')
    clearly_visible = pyqtSignal('PyQt_PyObject')
    zero_clicked = pyqtSignal('PyQt_PyObject')

    def __init__(self, stick: Stick, camera: Camera, parent: Optional[QGraphicsItem] = None):
        QGraphicsObject.__init__(self, parent)
        self.camera = camera
        self.stick = stick
        self.line = QLineF()
        self.gline = QGraphicsLineItem(self.line)

        self.stick_label_text = QGraphicsSimpleTextItem("0", self)
        self.stick_label_text.setFont(StickWidget.font)
        self.stick_label_text.setPos(self.line.p1() - QPoint(0, 24))
        self.stick_label_text.setBrush(QBrush(QColor(0, 255, 0)))
        self.stick_label_text.hide()
        self.setZValue(10)

        self.mode = StickMode.Display

        self.btn_delete = Button("delete", "x", parent=self)
        self.btn_delete.setFlag(QGraphicsItem.ItemIgnoresTransformations, True)
        self.btn_delete.set_base_color([ButtonColor.RED])
        self.btn_delete.setVisible(False)
        btn_size = max(int(np.linalg.norm(self.stick.top - self.stick.bottom) / 5.0), 15)
        self.btn_delete.set_height(12)
        self.btn_delete.clicked.connect(self.handle_btn_delete_clicked)
        self.btn_delete.setPos(self.line.p1() - QPointF(0.5 * self.btn_delete.boundingRect().width(), 1.1 * self.btn_delete.boundingRect().height()))
        self.btn_delete.set_opacity(0.7)

        self.top_handle = QGraphicsEllipseItem(0, 0, self.handle_size, self.handle_size, self)
        self.mid_handle = QGraphicsEllipseItem(0, 0, self.handle_size, self.handle_size, self)
        self.bottom_handle = QGraphicsEllipseItem(0, 0, self.handle_size, self.handle_size, self)

        self.top_handle.setAcceptedMouseButtons(Qt.NoButton)
        self.mid_handle.setAcceptedMouseButtons(Qt.NoButton)
        self.bottom_handle.setAcceptedMouseButtons(Qt.NoButton)
        self.top_handle.setBrush(self.handle_idle_brush)
        self.top_handle.setPen(self.handle_idle_pen)
        self.mid_handle.setBrush(self.handle_idle_brush)
        self.mid_handle.setPen(self.handle_idle_pen)
        self.bottom_handle.setBrush(self.handle_idle_brush)
        self.bottom_handle.setPen(self.handle_idle_pen)

        self.hovered_handle: Optional[QGraphicsRectItem] = None
        self.handles = [self.top_handle, self.mid_handle, self.bottom_handle]

        self.link_button = Button("link", "Link to...", parent=self)
        self.link_button.set_base_color([ButtonColor.GREEN])
        self.link_button.set_height(12)
        self.link_button.set_label("Link", direction="vertical")
        self.link_button.fit_to_contents()
        self.link_button.clicked.connect(lambda: self.link_initiated.emit(self))
        self.link_button.setVisible(False)
        self.link_button.setFlag(QGraphicsObject.ItemIgnoresTransformations, False)

        self.adjust_line()

        self.setAcceptHoverEvents(True)
        self.top_handle.setZValue(4)
        self.bottom_handle.setZValue(4)
        self.mid_handle.setZValue(4)

        self.top_handle.hide()
        self.mid_handle.hide()
        self.bottom_handle.hide()

        self.handle_mouse_offset = QPointF(0, 0)
        self.available_for_linking = False
        self.link_source = False
        self.current_highlight_color: QColor = StickWidget.normal_color
        self.highlighted = False
        self.frame_color: Optional[None] = self.normal_color
        self.is_linked = False

        self.is_master = True
        self.selected = False

        self.measured_height: int = -1
        self.current_color = self.normal_color

        self.show_label = False
        self.highlight_animation = QPropertyAnimation(self, b"highlight_color")
        self.highlight_animation.valueChanged.connect(self.handle_highlight_animation_value_changed)
        self.deleting = False
        self.update_tooltip()
        self.show_measurements: bool = False
        self.proposed_snow_height: int = -1

        self.zero_btn = Button("zero_btn", "0", parent=self)
        self.zero_btn.setFlag(QGraphicsItem.ItemIgnoresTransformations, True)
        self.zero_btn.setVisible(False)
        self.zero_btn.setPos(self.boundingRect().center() + QPointF(self.zero_btn.boundingRect().width() * -0.5,
                                                                    self.boundingRect().height() * 0.5))
        self.zero_btn.clicked.connect(self.handle_zero)

    @pyqtSlot()
    def handle_btn_delete_clicked(self):
        self.delete_clicked.emit(self.stick)

    def prepare_for_deleting(self):
        self.deleting = True
        self.highlight_animation.stop()
        self.btn_delete.setParentItem(None)
        self.scene().removeItem(self.btn_delete)
        self.btn_delete.deleteLater()

    def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem,
              widget: Optional[PyQt5.QtWidgets.QWidget] = ...):
        painter.setPen(QPen(self.current_color, 1.0))

        brush = QBrush(self.current_highlight_color)
        pen = QPen(brush, 4)
        painter.setPen(pen)
        if self.highlighted:
            painter.fillRect(self.boundingRect(), QBrush(self.current_highlight_color))

        if self.frame_color is not None and self.mode != StickMode.Edit and self.mode != StickMode.EditDelete:
            painter.setPen(QPen(self.frame_color, 4))
            painter.drawRect(self.boundingRect())

        pen = QPen(QColor(0, 255, 0, 255))

        pen.setWidth(1.0)
        pen.setColor(QColor(255, 0, 255, 255))
        pen.setStyle(Qt.DotLine)
        painter.setPen(pen)
        off = 10
        painter.drawLine(self.line.p1() - QPointF(0, off), self.line.p1() + QPointF(0, off))
        painter.drawLine(self.line.p1() - QPointF(off, 0), self.line.p1() + QPointF(off, 0))
        painter.drawLine(self.line.p2() - QPointF(0, off), self.line.p2() + QPointF(0, off))
        painter.drawLine(self.line.p2() - QPointF(off, 0), self.line.p2() + QPointF(off, 0))
        pen.setStyle(Qt.SolidLine)
        pen.setColor(QColor(0, 255, 0, 255))
        painter.setPen(pen)

        if self.mode != StickMode.EditDelete:
            pen.setWidth(2.0)
            br = painter.brush()
            painter.setPen(pen)
            painter.drawEllipse(self.line.p1(), 10, 10)
            painter.drawEllipse(self.line.p2(), 10, 10)
            painter.setBrush(br)

            if self.mode == StickMode.Measurement and self.proposed_snow_height >= 0:
                point = QPointF(self.boundingRect().x(), -self.proposed_snow_height + self.line.p2().y())
                pen = QPen(QColor(200, 100, 0, 255), 3.0)
                painter.setPen(pen)
                painter.drawLine(point,
                                 point + QPointF(self.boundingRect().width(), 0.0))

            if self.measured_height >= 0:
                vec = (self.stick.top - self.stick.bottom) / np.linalg.norm(self.stick.top - self.stick.bottom)
                dist_along_stick = self.measured_height / np.dot(np.array([0.0, -1.0]), vec)
                point = self.line.p2() + dist_along_stick * QPointF(vec[0], vec[1])
                point = QPointF(self.boundingRect().x(), point.y())
                pen = QPen(QColor(0, 100, 200, 255), 3.0)
                painter.setPen(pen)
                painter.drawLine(point,
                                 point + QPointF(self.boundingRect().width(), 0.0))
        else:
            painter.drawLine(self.line.p1(), self.line.p2())

        if self.selected:
            pen.setColor(QColor(255, 125, 0, 255))
            pen.setStyle(Qt.DashLine)
            painter.setPen(pen)
            painter.drawRect(self.boundingRect().marginsAdded(QMarginsF(5, 5, 5, 5)))

        if self.show_measurements:
            painter.fillRect(self.stick_label_text.boundingRect().translated(self.stick_label_text.pos()),
                             QBrush(QColor(0, 0, 0, 120)))

    def boundingRect(self) -> PyQt5.QtCore.QRectF:
        return self.gline.boundingRect().united(self.top_handle.boundingRect()).\
            united(self.mid_handle.boundingRect()).united(self.bottom_handle.boundingRect())
    
    def set_edit_mode(self, value: bool):
        if value:
            self.set_mode(StickMode.EditDelete)
        else:
            self.set_mode(StickMode.Display)
    
    def set_mode(self, mode: StickMode):
        if mode == StickMode.Display:
            self.btn_delete.setVisible(False)
            self.top_handle.setVisible(False)
            self.mid_handle.setVisible(False)
            self.bottom_handle.setVisible(False)
            self.link_button.setVisible(False)
            self.available_for_linking = False
            self.link_source = False
            self.zero_btn.setVisible(False)
            self.setVisible(self.stick.is_visible)
        elif mode == StickMode.EditDelete:
            self.set_mode(StickMode.Display)
            self.top_handle.setVisible(True)
            self.mid_handle.setVisible(True)
            self.bottom_handle.setVisible(True)
            self.available_for_linking = False
            self.link_source = False
            self.btn_delete.setVisible(True)
        elif mode == StickMode.LinkSource:
            self.set_mode(StickMode.Display)
            self.link_source = True
            self.available_for_linking = False
            self.link_button.setPos(self.boundingRect().topLeft())
            self.link_button.set_width(int(self.boundingRect().width()))
            self.link_button.set_button_height(int(self.boundingRect().height()))
            self.link_button.adjust_text_to_button()
        elif mode == StickMode.LinkTarget:
            self.set_mode(StickMode.Display)
            self.link_source = False
            self.available_for_linking = True
        elif mode == StickMode.Edit:
            self.set_mode(StickMode.EditDelete)
            self.btn_delete.setVisible(False)
        elif mode == StickMode.Measurement:
            self.zero_btn.setVisible(True)
            self.setVisible(True)

        self.mode = mode
        self.update_tooltip()
        self.update()

    def mousePressEvent(self, event: QGraphicsSceneMouseEvent):
        if self.mode != StickMode.EditDelete:
            return
        if self.hovered_handle is None:
            return

        self.hovered_handle.setBrush(self.handle_press_brush)
        if self.hovered_handle == self.mid_handle:
            self.bottom_handle.setBrush(self.handle_press_brush)
            self.bottom_handle.setPen(self.handle_press_pen)
            self.bottom_handle.setOpacity(0.5)
            self.top_handle.setBrush(self.handle_press_brush)
            self.top_handle.setPen(self.handle_press_pen)
            self.top_handle.setOpacity(0.5)
        self.hovered_handle.setPen(self.handle_press_pen)
        self.hovered_handle.setOpacity(0.5)
        self.handle_mouse_offset = self.hovered_handle.rect().center() - event.pos()
        self.btn_delete.setVisible(False)

    def mouseReleaseEvent(self, event: QGraphicsSceneMouseEvent):
        if self.available_for_linking:
            self.link_accepted.emit(self)
            return

        if self.mode == StickMode.Measurement:
            old_snow = self.stick.snow_height_px
            self.measured_height = self.proposed_snow_height
            self.stick.set_snow_height_px(self.proposed_snow_height)
            if abs(old_snow - self.proposed_snow_height) > 0:
                self.measurement_corrected.emit(self)
            self.proposed_snow_height = -1

        if self.mode != StickMode.EditDelete and self.mode != StickMode.Edit:
            return

        if self.hovered_handle is not None:
            self.hovered_handle.setBrush(self.handle_hover_brush)
            self.hovered_handle.setPen(self.handle_idle_pen)
            self.hovered_handle.setOpacity(1.0)
            if self.hovered_handle == self.mid_handle:
                self.bottom_handle.setBrush(self.handle_idle_brush)
                self.bottom_handle.setPen(self.handle_idle_pen)
                self.bottom_handle.setOpacity(1.0)
                self.top_handle.setBrush(self.handle_idle_brush)
                self.top_handle.setPen(self.handle_idle_pen)
                self.top_handle.setOpacity(1.0)
            self.stick_changed.emit(self)
        self.hovered_handle = None
        if self.mode == StickMode.EditDelete:
            self.btn_delete.setVisible(True)
    
    def mouseMoveEvent(self, event: QGraphicsSceneMouseEvent):
        if self.hovered_handle is None:
            return
        if self.hovered_handle == self.top_handle:
            self.line.setP1((event.pos() + self.handle_mouse_offset).toPoint())
        elif self.hovered_handle == self.bottom_handle:
            self.line.setP2((event.pos() + self.handle_mouse_offset).toPoint())
        else:
            displacement = event.pos() - event.lastPos()
            self.setPos(self.pos() + displacement)
        self.adjust_handles()
        self.adjust_stick()
        self.scene().update()

    def set_top(self, pos: QPoint):
        self.line.setP1(pos)
        self.adjust_handles()
        self.adjust_stick()
        self.scene().update()

    def set_bottom(self, pos: QPoint):
        self.line.setP2(pos)
        self.adjust_handles()
        self.adjust_stick()
        self.scene().update()

    def hoverEnterEvent(self, event: QGraphicsSceneHoverEvent):
        if self.available_for_linking:
            self.hovered.emit(True, self)
        elif self.link_source:
            self.link_button.setVisible(True)
        self.scene().update()

    def hoverLeaveEvent(self, event: QGraphicsSceneHoverEvent):
        for h in self.handles:
            h.setBrush(self.handle_idle_brush)
        self.hovered_handle = None
        if self.available_for_linking:
            self.hovered.emit(False, self)
        self.link_button.setVisible(False)
        self.proposed_snow_height = -1
        self.scene().update()
    
    def hoverMoveEvent(self, event: QGraphicsSceneHoverEvent):
        if self.mode != StickMode.EditDelete and self.mode != StickMode.Edit and self.mode != StickMode.Measurement:
            return
        if self.mode == StickMode.Measurement:
            self.proposed_snow_height = max(self.line.p2().y() - event.pos().y(), 0)
            self.update()
            return
        hovered_handle = list(filter(lambda h: h.rect().contains(event.pos()), self.handles))
        if len(hovered_handle) == 0:
            if self.hovered_handle is not None:
                self.hovered_handle.setBrush(self.handle_idle_brush)
                self.hovered_handle = None
            return
        if self.hovered_handle is not None and self.hovered_handle != hovered_handle[0]:
            self.hovered_handle.setBrush(self.handle_idle_brush)
        self.hovered_handle = hovered_handle[0]
        if self.hovered_handle == self.top_handle:
            self.top_handle.setBrush(self.handle_hover_brush)
        elif self.hovered_handle == self.bottom_handle:
            self.bottom_handle.setBrush(self.handle_hover_brush)
        else:
            self.mid_handle.setBrush(self.handle_hover_brush)

        self.scene().update()
    
    def adjust_stick(self):
        self.stick.top[0] = self.pos().x() + self.line.p1().x()
        self.stick.top[1] = self.pos().y() + self.line.p1().y()
        self.stick.bottom[0] = self.pos().x() + self.line.p2().x()
        self.stick.bottom[1] = self.pos().y() + self.line.p2().y()

    def adjust_handles(self):
        if self.line.p1().y() > self.line.p2().y():
            p1, p2 = self.line.p1(), self.line.p2()
            self.line.setP1(p2)
            self.line.setP2(p1)
            if self.hovered_handle is not None:
                self.hovered_handle.setBrush(self.handle_idle_brush)
                self.hovered_handle.setPen(self.handle_idle_pen)
                self.hovered_handle = self.top_handle if self.hovered_handle == self.bottom_handle else self.bottom_handle
                self.hovered_handle.setBrush(self.handle_press_brush)
                self.hovered_handle.setPen(self.handle_press_pen)
        rect = self.top_handle.rect()
        rect.moveCenter(self.line.p1())
        self.top_handle.setRect(rect)
        rect = self.bottom_handle.rect()
        rect.moveCenter(self.line.p2())
        self.bottom_handle.setRect(rect)
        rect = self.mid_handle.rect()
        rect.moveCenter(self.line.center())
        self.mid_handle.setRect(rect)
        self.btn_delete.setPos(self.top_handle.rect().center() - QPointF(self.btn_delete.boundingRect().width() / 2,
                                                               self.btn_delete.boundingRect().height() + self.top_handle.boundingRect().height() / 2))

    def set_available_for_linking(self, available: bool):
        self.available_for_linking = available

    def set_is_link_source(self, is_source: bool):
        self.link_source = is_source
        self.link_button.setPos(self.boundingRect().topLeft())
        self.link_button.set_width(int(self.boundingRect().width()))
        self.link_button.set_button_height(int(self.boundingRect().height()))
        self.link_button.adjust_text_to_button()
    
    def set_frame_color(self, color: Optional[QColor]):
        self.frame_color = color if color is not None else self.normal_color
        self.update()

    def set_is_linked(self, value: bool):
        self.is_linked = value
        if not self.is_linked:
            self.set_frame_color(None)
            if self.available_for_linking:
                self.highlight(QColor(0, 255, 0, 100))
            else:
                self.highlight(None)
        self.update_tooltip()

    def adjust_line(self):
        self.setPos(QPointF(0.5 * (self.stick.top[0] + self.stick.bottom[0]), 0.5 * (self.stick.top[1] + self.stick.bottom[1])))
        vec = 0.5 * (self.stick.top - self.stick.bottom)
        self.line.setP1(QPointF(vec[0], vec[1]))
        self.line.setP2(-self.line.p1())
        self.gline.setLine(self.line)
        self.adjust_handles()
        self.stick_label_text.setPos(self.line.p1() - QPointF(0.5 * self.stick_label_text.boundingRect().width(),
                                                             1.3 * self.stick_label_text.boundingRect().height()))
        self.update()

    def set_selected(self, selected: bool):
        self.selected = selected
        self.update()

    def is_selected(self) -> bool:
        return self.selected

    def set_snow_height(self, height: int):
        self.measured_height = height
        self.update()

    def border_normal(self):
        self.current_color = self.normal_color
        self.update()

    def border_positive(self):
        self.current_color = self.positive_color
        self.update()

    def border_negative(self):
        self.current_color = self.negative_color
        self.update()

    @pyqtProperty(QColor)
    def highlight_color(self) -> QColor:
        return self.current_highlight_color

    @highlight_color.setter
    def highlight_color(self, color: QColor):
        self.current_highlight_color = color

    def highlight(self, color: Optional[QColor], animated: bool = False):
        self.highlighted = color is not None
        if not animated or color is None:
            self.highlight_animation.stop()
            self.current_highlight_color = self.normal_color if color is None else color
            self.update()
            return
        self.highlight_animation.setStartValue(color)
        self.highlight_animation.setEndValue(color)
        self.highlight_animation.setKeyValueAt(0.5, color.darker())
        self.highlight_animation.setDuration(2000)
        self.highlight_animation.setLoopCount(-1)
        self.highlight_animation.start()

    def handle_link_button_hovered(self, btn: Dict[str, Any]):
        self.link_button.setVisible(btn['hovered'])

    def handle_highlight_animation_value_changed(self, new: QColor):
        if not self.deleting:
            self.update(self.boundingRect().marginsAdded(QMarginsF(10, 10, 10, 10)))

    def contextMenuEvent(self, event: QGraphicsSceneContextMenuEvent) -> None:
        self.right_clicked.emit({'stick_widget': self})

    def set_stick_label(self, label: str):
        self.stick.label = label
        self.stick_label_text.setText(label)
        self.update_tooltip()
        self.update()

    def get_stick_label(self) -> str:
        return self.stick.label

    def get_stick_length_cm(self) -> int:
        return self.stick.length_cm

    def set_stick_length_cm(self, length: int):
        self.stick.length_cm = length
        self.update_tooltip()
        self.update()

    def update_tooltip(self):
        if self.mode != StickMode.Display or self.mode == StickMode.Measurement:
            self.setToolTip("")
            return
        snow_txt = "Snow height: "
        if self.stick.snow_height_px >= 0:
            snow_txt += str(self.stick.snow_height_cm) + " cm"
            self.stick_label_text.setText(str(self.stick.snow_height_cm))
        else:
            snow_txt = "not measured"
            self.stick_label_text.setVisible(False)
        self.stick_label_text.setText(self.stick.label)
        self.stick_label_text.setVisible(True)
        stick_view_text = ''
        role = ''
        if self.stick.alternative_view is not None:
            alt_view = self.stick.alternative_view
            role = " - primary"
            alt = "Secondary"
            if not self.stick.primary:
                role = " - secondary"
                alt = "Primary"
            stick_view_text = f'\n{alt} view: {alt_view.label} in {alt_view.camera_folder.name}\n'
        mark = '*' if self.stick.determines_quality else ''
        self.setToolTip(f'{mark}{self.stick.label}{role}{stick_view_text}\nLength: {self.stick.length_cm} cm\n{snow_txt}')

    def set_stick(self, stick: Stick):
        self.reset_d_btns()
        self.stick = stick
        self.adjust_line()
        self.adjust_handles()
        self.set_snow_height(stick.snow_height_px)
        self.update_tooltip()
        self.set_show_measurements(self.show_measurements)
        if self.mode == StickMode.Measurement:
            self.set_frame_color(QColor(200, 100, 0, 100) if not self.stick.is_visible else None)
            self.setVisible(True)
            self.clearly_visible_btn.setVisible(not self.stick.is_visible)
        else:
            self.setVisible(self.stick.is_visible)

    def set_show_measurements(self, show: bool):
        self.show_measurements = show
        if self.show_measurements:
            self.stick_label_text.setText(str(self.stick.snow_height_cm) if self.stick.snow_height_cm >= 0 else
                                          "n/a")
        else:
            self.stick_label_text.setText(self.stick.label)
        self.update()

    def handle_zero(self):
        self.measured_height = 0
        self.stick.set_snow_height_px(0)
        self.measurement_corrected.emit(self)

    def reset_d_btns(self):
        self.zero_btn.set_default_state()
Exemple #6
0
class ActiveSliceItem(QGraphicsRectItem):
    """ActiveSliceItem for the Path View"""
    def __init__(self, part_item, active_base_index):
        super(ActiveSliceItem, self).__init__(part_item)
        self._part_item = part_item
        self._getActiveTool = part_item._getActiveTool
        self._active_slice = 0
        self._low_drag_bound = 0
        self._high_drag_bound = self.part().maxBaseIdx()
        self._controller = ActiveSliceItemController(self, part_item.part())

        self._label = QGraphicsSimpleTextItem("", parent=self)
        self._label.setPos(0, -18)
        self._label.setFont(_FONT)
        self._label.setBrush(_LABEL_BRUSH)
        self._label.hide()

        self.setFlag(QGraphicsItem.ItemIsMovable)
        self.setAcceptHoverEvents(True)
        self.setZValue(styles.ZACTIVESLICEHANDLE)
        self.setRect(QRectF(0, 0, _BASE_WIDTH,\
                      self._part_item.boundingRect().height()))
        self.setPos(active_base_index * _BASE_WIDTH, 0)
        self.setBrush(_BRUSH)
        self.setPen(_PEN)

        # reuse select tool methods for other tools
        self.addSeqToolMousePress = self.selectToolMousePress
        self.addSeqToolMouseMove = self.selectToolMouseMove
        self.breakToolMousePress = self.selectToolMousePress
        self.breakToolMouseMove = self.selectToolMouseMove
        self.insertionToolMousePress = self.selectToolMousePress
        self.insertionToolMouseMove = self.selectToolMouseMove
        self.paintToolMousePress = self.selectToolMousePress
        self.paintToolMouseMove = self.selectToolMouseMove
        self.pencilToolMousePress = self.selectToolMousePress
        self.pencilToolMouseMove = self.selectToolMouseMove
        self.skipToolMousePress = self.selectToolMousePress
        self.skipToolMouseMove = self.selectToolMouseMove

    # end def

    ### SLOTS ###
    def strandChangedSlot(self, sender, vh):
        pass

    # end def

    def updateRectSlot(self, part):
        bw = _BASE_WIDTH
        new_rect = QRectF(0, 0, bw,\
                    self._part_item.virtualHelixBoundingRect().height())
        if new_rect != self.rect():
            self.setRect(new_rect)
        self._hideIfEmptySelection()
        self.updateIndexSlot(part, part.activeBaseIndex())
        return new_rect

    # end def

    def updateIndexSlot(self, part, base_index):
        """The slot that receives active slice changed notifications from
        the part and changes the receiver to reflect the part"""
        label = self._label
        bw = _BASE_WIDTH
        bi = util.clamp(int(base_index), 0, self.part().maxBaseIdx())
        self.setPos(bi * bw, -styles.PATH_HELIX_PADDING)
        self._active_slice = bi
        if label:
            label.setText("%d" % bi)
            label.setX((bw - label.boundingRect().width()) / 2)

    # end def

    ### ACCESSORS ###
    def activeBaseIndex(self):
        return self.part().activeBaseIndex()

    # end def

    def part(self):
        return self._part_item.part()

    # end def

    def partItem(self):
        return self._part_item

    # end def

    ### PUBLIC METHODS FOR DRAWING / LAYOUT ###
    def removed(self):
        scene = self.scene()
        scene.removeItem(self._label)
        scene.removeItem(self)
        self._part_item = None
        self._label = None
        self._controller.disconnectSignals()
        self.controller = None

    # end def

    def resetBounds(self):
        """Call after resizing virtualhelix canvas."""
        self._high_drag_bound = self.part().maxBaseIdx()

    # end def

    ### PRIVATE SUPPORT METHODS ###
    def _hideIfEmptySelection(self):
        vis = self.part().numberOfVirtualHelices() > 0
        self.setVisible(vis)
        self._label.setVisible(vis)

    # end def

    def _setActiveBaseIndex(self, base_index):
        self.part().setActiveBaseIndex(base_index)

    # end def

    ### EVENT HANDLERS ###
    def hoverEnterEvent(self, event):
        self.setCursor(Qt.OpenHandCursor)
        self._part_item.updateStatusBar("%d" % self.part().activeBaseIndex())
        QGraphicsItem.hoverEnterEvent(self, event)

    # end def

    def hoverLeaveEvent(self, event):
        self.setCursor(Qt.ArrowCursor)
        self._part_item.updateStatusBar("")
        QGraphicsItem.hoverLeaveEvent(self, event)

    # end def

    def mousePressEvent(self, event):
        """
        Parses a mousePressEvent, calling the approproate tool method as
        necessary. Stores _move_idx for future comparison.
        """
        if event.button() != Qt.LeftButton:
            event.ignore()
            QGraphicsItem.mousePressEvent(self, event)
            return
        self.scene().views()[0].addToPressList(self)
        self._move_idx = int(floor((self.x() + event.pos().x()) / _BASE_WIDTH))
        tool_method_name = self._getActiveTool().methodPrefix() + "MousePress"
        if hasattr(self, tool_method_name):  # if the tool method exists
            modifiers = event.modifiers()
            getattr(self, tool_method_name)(modifiers)  # call tool method

    def mouseMoveEvent(self, event):
        """
        Parses a mouseMoveEvent, calling the approproate tool method as
        necessary. Updates _move_idx if it changed.
        """
        tool_method_name = self._getActiveTool().methodPrefix() + "MouseMove"
        if hasattr(self, tool_method_name):  # if the tool method exists
            idx = int(floor((self.x() + event.pos().x()) / _BASE_WIDTH))
            if idx != self._move_idx:  # did we actually move?
                modifiers = event.modifiers()
                self._move_idx = idx
                getattr(self, tool_method_name)(modifiers,
                                                idx)  # call tool method

    def customMouseRelease(self, event):
        """
        Parses a mouseReleaseEvent, calling the approproate tool method as
        necessary. Deletes _move_idx if necessary.
        """
        tool_method_name = self._getActiveTool().methodPrefix(
        ) + "MouseRelease"
        if hasattr(self, tool_method_name):  # if the tool method exists
            modifiers = event.modifiers()
            x = event.pos().x()
            getattr(self, tool_method_name)(modifiers, x)  # call tool method
        if hasattr(self, '_move_idx'):
            del self._move_idx

    ### TOOL METHODS ###
    def selectToolMousePress(self, modifiers):
        """
        Set the allowed drag bounds for use by selectToolMouseMove.
        """
        if (modifiers & Qt.AltModifier) and (modifiers & Qt.ShiftModifier):
            self.part().undoStack().beginMacro("Auto-drag Scaffold(s)")
            for vh in self.part().getVirtualHelices():
                # SCAFFOLD
                # resize 3' first
                for strand in vh.scaffoldStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx3p)
                        if strand.isDrawn5to3():
                            strand.resize((idx5p, hi))
                        else:
                            strand.resize((lo, idx5p))
                # resize 5' second
                for strand in vh.scaffoldStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx5p):
                        lo, hi = strand.getResizeBounds(idx5p)
                        if strand.isDrawn5to3():
                            strand.resize((lo, idx3p))
                        else:
                            strand.resize((idx3p, hi))
                # STAPLE
                # resize 3' first
                for strand in vh.stapleStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx3p)
                        if strand.isDrawn5to3():
                            strand.resize((idx5p, hi))
                        else:
                            strand.resize((lo, idx5p))
                # resize 5' second
                for strand in vh.stapleStrandSet():
                    idx5p = strand.idx5Prime()
                    idx3p = strand.idx3Prime()
                    if not strand.hasXoverAt(idx3p):
                        lo, hi = strand.getResizeBounds(idx5p)
                        if strand.isDrawn5to3():
                            strand.resize((lo, idx3p))
                        else:
                            strand.resize((idx3p, hi))

            self.part().undoStack().endMacro()

    # end def

    def selectToolMouseMove(self, modifiers, idx):
        """
        Given a new index (pre-validated as different from the prev index),
        calculate the new x coordinate for self, move there, and notify the
        parent strandItem to redraw its horizontal line.
        """
        idx = util.clamp(idx, self._low_drag_bound, self._high_drag_bound)
        x = int(idx * _BASE_WIDTH)
        self.setPos(x, self.y())
        self.updateIndexSlot(None, idx)
        self._setActiveBaseIndex(idx)
        self._part_item.updateStatusBar("%d" % self.part().activeBaseIndex())
Exemple #7
0
class CameraView(QGraphicsObject):

    font: QFont = QFont("monospace", 16)
    stick_link_requested = pyqtSignal(StickWidget)
    stick_context_menu = pyqtSignal('PyQt_PyObject', 'PyQt_PyObject')
    stick_widgets_out_of_sync = pyqtSignal('PyQt_PyObject')
    visibility_toggled = pyqtSignal()
    synchronize_clicked = pyqtSignal('PyQt_PyObject')
    previous_photo_clicked = pyqtSignal('PyQt_PyObject')
    next_photo_clicked = pyqtSignal('PyQt_PyObject')
    sync_confirm_clicked = pyqtSignal('PyQt_PyObject')
    sync_cancel_clicked = pyqtSignal('PyQt_PyObject')
    first_photo_clicked = pyqtSignal('PyQt_PyObject')
    enter_pressed = pyqtSignal()

    def __init__(self, scale: float, parent: Optional[QGraphicsItem] = None):
        QGraphicsObject.__init__(self, parent)
        self.current_highlight_color = QColor(0, 0, 0, 0)
        self.current_timer = -1
        self.scaling = scale
        self.pixmap = QGraphicsPixmapItem(self)
        self.stick_widgets: List[StickWidget] = []
        self.link_cam_text = QGraphicsSimpleTextItem("Link camera...", self)
        self.link_cam_text.setZValue(40)
        self.link_cam_text.setVisible(False)
        self.link_cam_text.setFont(CameraView.font)
        self.link_cam_text.setPos(0, 0)
        self.link_cam_text.setPen(QPen(QColor(255, 255, 255, 255)))
        self.link_cam_text.setBrush(QBrush(QColor(255, 255, 255, 255)))

        self.show_add_buttons = False
        self.camera = None

        self.setFlag(QGraphicsItem.ItemSendsGeometryChanges, True)
        self.show_stick_widgets = False
        self.setAcceptHoverEvents(True)
        self.stick_edit_mode = False

        self.original_pixmap = self.pixmap.pixmap()

        self.hovered = False

        self.mode = 0  # TODO make enum Mode
        self.click_handler = None
        self.double_click_handler: Callable[[int, int], None] = None

        self.stick_widget_mode = StickMode.Display

        self.highlight_animation = QPropertyAnimation(self, b"highlight_color")
        self.highlight_animation.setEasingCurve(QEasingCurve.Linear)
        self.highlight_animation.valueChanged.connect(
            self.handle_highlight_color_changed)
        self.highlight_rect = QGraphicsRectItem(self)
        self.highlight_rect.setZValue(4)
        self.highlight_rect.setPen(QPen(QColor(0, 0, 0, 0)))
        self.title_btn = Button('btn_title', '', parent=self)
        self.title_btn.setFlag(QGraphicsItem.ItemIgnoresTransformations, False)
        self.title_btn.setZValue(5)
        self.title_btn.setVisible(False)

        self.sticks_without_width: List[Stick] = []
        self.current_image_name: str = ''
        self.control_widget = ControlWidget(parent=self)
        self.control_widget.setFlag(QGraphicsItem.ItemIgnoresTransformations,
                                    False)
        self.control_widget.setVisible(True)
        self._connect_control_buttons()
        self.image_available = True
        self.blur_eff = QGraphicsBlurEffect()
        self.blur_eff.setBlurRadius(5.0)
        self.blur_eff.setEnabled(False)
        self.pixmap.setGraphicsEffect(self.blur_eff)
        self.overlay_message = QGraphicsSimpleTextItem('not available',
                                                       parent=self)
        font = self.title_btn.font
        font.setPointSize(48)
        self.overlay_message.setFont(font)
        self.overlay_message.setBrush(QBrush(QColor(200, 200, 200, 200)))
        self.overlay_message.setPen(QPen(QColor(0, 0, 0, 200), 2.0))
        self.overlay_message.setVisible(False)
        self.overlay_message.setZValue(6)

        self.stick_box = QGraphicsRectItem(parent=self)
        self.stick_box.setFlag(QGraphicsItem.ItemIsMovable, True)
        self.stick_box.setVisible(False)
        self.stick_box_start_pos = QPoint()

    def _connect_control_buttons(self):
        self.control_widget.synchronize_btn.clicked.connect(
            lambda: self.synchronize_clicked.emit(self))
        self.control_widget.prev_photo_btn.clicked.connect(
            lambda: self.previous_photo_clicked.emit(self))
        self.control_widget.next_photo_btn.clicked.connect(
            lambda: self.next_photo_clicked.emit(self))
        self.control_widget.accept_btn.clicked.connect(
            lambda: self.sync_confirm_clicked.emit(self))
        self.control_widget.cancel_btn.clicked.connect(
            lambda: self.sync_cancel_clicked.emit(self))
        self.control_widget.first_photo_btn.clicked.connect(
            lambda: self.first_photo_clicked.emit(self))

    def paint(self, painter: QPainter,
              option: PyQt5.QtWidgets.QStyleOptionGraphicsItem,
              widget: QWidget):
        if self.pixmap.pixmap().isNull():
            return
        painter.setRenderHint(QPainter.Antialiasing, True)

        if self.show_stick_widgets:
            brush = QBrush(QColor(255, 255, 255, 100))
            painter.fillRect(self.boundingRect(), brush)

        if self.mode and self.hovered:
            pen = QPen(QColor(0, 125, 200, 255))
            pen.setWidth(4)
            painter.setPen(pen)

    def boundingRect(self) -> PyQt5.QtCore.QRectF:
        return self.pixmap.boundingRect().united(
            self.title_btn.boundingRect().translated(self.title_btn.pos()))

    def initialise_with(self, camera: Camera):
        if self.camera is not None:
            self.camera.stick_added.disconnect(self.handle_stick_created)
            self.camera.sticks_added.disconnect(self.handle_sticks_added)
            self.camera.stick_removed.disconnect(self.handle_stick_removed)
            self.camera.sticks_removed.disconnect(self.handle_sticks_removed)
            self.camera.stick_changed.disconnect(self.handle_stick_changed)
        self.camera = camera
        self.prepareGeometryChange()
        self.set_image(camera.rep_image, Path(camera.rep_image_path).name)
        self.title_btn.set_label(self.camera.folder.name)
        self.title_btn.set_height(46)
        self.title_btn.fit_to_contents()
        self.title_btn.set_width(int(self.boundingRect().width()))
        self.title_btn.setPos(0, self.boundingRect().height())
        self.control_widget.title_btn.set_label(self.camera.folder.name)
        self.camera.stick_added.connect(self.handle_stick_created)
        self.camera.sticks_added.connect(self.handle_sticks_added)
        self.camera.stick_removed.connect(self.handle_stick_removed)
        self.camera.sticks_removed.connect(self.handle_sticks_removed)
        self.camera.stick_changed.connect(self.handle_stick_changed)

        self.control_widget.set_font_height(32)
        self.control_widget.set_widget_height(
            self.title_btn.boundingRect().height())
        self.control_widget.set_widget_width(int(self.boundingRect().width()))
        self.control_widget.setPos(0,
                                   self.pixmap.boundingRect().height()
                                   )  #self.boundingRect().height())
        self.control_widget.set_mode('view')
        self.update_stick_widgets()

    def set_image(self,
                  img: Optional[np.ndarray] = None,
                  image_name: Optional[str] = None):
        if img is None:
            self.show_overlay_message('not available')
            return
        self.show_overlay_message(None)
        self.prepareGeometryChange()
        barray = QByteArray(img.tobytes())
        image = QImage(barray, img.shape[1], img.shape[0],
                       QImage.Format_BGR888)
        self.original_pixmap = QPixmap.fromImage(image)
        self.pixmap.setPixmap(self.original_pixmap)
        self.highlight_rect.setRect(self.boundingRect())
        self.current_image_name = image_name

    def update_stick_widgets(self):
        stick_length = 60
        for stick in self.camera.sticks:
            sw = StickWidget(stick, self.camera, self)
            sw.set_mode(self.stick_widget_mode)
            self.connect_stick_widget_signals(sw)
            self.stick_widgets.append(sw)
            stick_length = stick.length_cm
        self.update_stick_box()
        self.scene().update()

    def scale_item(self, factor: float):
        self.prepareGeometryChange()
        pixmap = self.original_pixmap.scaledToHeight(
            int(self.original_pixmap.height() * factor))
        self.pixmap.setPixmap(pixmap)
        self.__update_title()

    def set_show_stick_widgets(self, value: bool):
        for sw in self.stick_widgets:
            sw.setVisible(value)
        self.scene().update()

    def hoverEnterEvent(self, e: QGraphicsSceneHoverEvent):
        self.hovered = True
        self.scene().update(self.sceneBoundingRect())

    def hoverLeaveEvent(self, e: QGraphicsSceneHoverEvent):
        self.hovered = False
        self.scene().update(self.sceneBoundingRect())

    def mousePressEvent(self, e: QGraphicsSceneMouseEvent):
        super().mousePressEvent(e)

    def mouseReleaseEvent(self, e: QGraphicsSceneMouseEvent):
        if self.mode == 1:
            self.click_handler(self.camera)

    def mouseDoubleClickEvent(self, event: QGraphicsSceneMouseEvent):
        if self.stick_widget_mode == StickMode.EditDelete:
            x = event.pos().toPoint().x()
            y = event.pos().toPoint().y()
            stick = self.camera.create_new_sticks(
                [(np.array([[x, y - 50], [x, y + 50]]), 3)],
                self.current_image_name)[
                    0]  #self.dataset.create_new_stick(self.camera)
            self.sticks_without_width.append(stick)

    def set_button_mode(self, click_handler: Callable[[Camera], None],
                        data: str):
        self.mode = 1  # TODO make a proper ENUM
        self.click_handler = lambda c: click_handler(c, data)

    def set_display_mode(self):
        self.mode = 0  # TODO make a proper ENUM
        self.click_handler = None

    def _remove_stick_widgets(self):
        for sw in self.stick_widgets:
            sw.setParentItem(None)
            self.scene().removeItem(sw)
            sw.deleteLater()
        self.stick_widgets.clear()

    def handle_stick_created(self, stick: Stick):
        if stick.camera_id != self.camera.id:
            return
        sw = StickWidget(stick, self.camera, self)
        sw.set_mode(self.stick_widget_mode)
        self.connect_stick_widget_signals(sw)
        self.stick_widgets.append(sw)
        self.stick_widgets_out_of_sync.emit(self)
        self.update()

    def handle_stick_removed(self, stick: Stick):
        if stick.camera_id != self.camera.id:
            return
        stick_widget = next(
            filter(lambda sw: sw.stick.id == stick.id, self.stick_widgets))
        self.disconnect_stick_widget_signals(stick_widget)
        self.stick_widgets.remove(stick_widget)
        stick_widget.setParentItem(None)
        self.scene().removeItem(stick_widget)
        stick_widget.deleteLater()
        self.update()

    def handle_sticks_removed(self, sticks: List[Stick]):
        if sticks[0].camera_id != self.camera.id:
            return
        for stick in sticks:
            to_remove: StickWidget = None
            for sw in self.stick_widgets:
                if sw.stick.id == stick.id:
                    to_remove = sw
                    break
            self.stick_widgets.remove(to_remove)
            to_remove.setParentItem(None)
            if self.scene() is not None:
                self.scene().removeItem(to_remove)
            to_remove.deleteLater()
        self.update()

    def handle_sticks_added(self, sticks: List[Stick]):
        if len(sticks) == 0:
            return
        if sticks[0].camera_id != self.camera.id:
            return
        for stick in sticks:
            sw = StickWidget(stick, self.camera, self)
            sw.set_mode(self.stick_widget_mode)
            self.connect_stick_widget_signals(sw)
            self.stick_widgets.append(sw)
        self.update_stick_box()
        self.stick_widgets_out_of_sync.emit(self)
        self.update()

    def connect_stick_widget_signals(self, stick_widget: StickWidget):
        stick_widget.delete_clicked.connect(
            self.handle_stick_widget_delete_clicked)
        stick_widget.stick_changed.connect(self.handle_stick_widget_changed)
        stick_widget.link_initiated.connect(self.handle_stick_link_initiated)
        stick_widget.right_clicked.connect(
            self.handle_stick_widget_context_menu)

    def disconnect_stick_widget_signals(self, stick_widget: StickWidget):
        stick_widget.delete_clicked.disconnect(
            self.handle_stick_widget_delete_clicked)
        stick_widget.stick_changed.disconnect(self.handle_stick_widget_changed)
        stick_widget.link_initiated.disconnect(
            self.handle_stick_link_initiated)
        stick_widget.right_clicked.disconnect(
            self.handle_stick_widget_context_menu)

    def handle_stick_widget_delete_clicked(self, stick: Stick):
        self.camera.remove_stick(stick)

    def set_stick_widgets_mode(self, mode: StickMode):
        self.stick_widget_mode = mode
        for sw in self.stick_widgets:
            sw.set_mode(mode)
        self.set_stick_edit_mode(mode == StickMode.Edit)

    def handle_stick_widget_changed(self, stick_widget: StickWidget):
        self.camera.stick_changed.emit(stick_widget.stick)

    def handle_stick_changed(self, stick: Stick):
        if stick.camera_id != self.camera.id:
            return
        sw = next(
            filter(lambda _sw: _sw.stick.id == stick.id, self.stick_widgets))
        sw.adjust_line()
        sw.update_tooltip()

    def handle_stick_link_initiated(self, stick_widget: StickWidget):
        self.stick_link_requested.emit(stick_widget)

    def get_top_left(self) -> QPointF:
        return self.sceneBoundingRect().topLeft()

    def get_top_right(self) -> QPointF:
        return self.sceneBoundingRect().topRight()

    def highlight(self, color: Optional[QColor]):
        if color is None:
            self.highlight_animation.stop()
            self.highlight_rect.setVisible(False)
            return
        alpha = color.alpha()
        color.setAlpha(0)
        self.highlight_animation.setStartValue(color)
        self.highlight_animation.setEndValue(color)
        color.setAlpha(alpha)
        self.highlight_animation.setKeyValueAt(0.5, color)
        self.highlight_animation.setDuration(2000)
        self.highlight_animation.setLoopCount(-1)
        self.highlight_rect.setPen(QPen(color))
        self.highlight_rect.setVisible(True)
        self.highlight_animation.start()

    @pyqtProperty(QColor)
    def highlight_color(self) -> QColor:
        return self.current_highlight_color

    @highlight_color.setter
    def highlight_color(self, color: QColor):
        self.current_highlight_color = color

    def handle_highlight_color_changed(self, color: QColor):
        self.highlight_rect.setBrush(QBrush(color))
        self.update()

    def handle_stick_widget_context_menu(self, sender: Dict[str, StickWidget]):
        self.stick_context_menu.emit(sender['stick_widget'], self)

    def show_overlay_message(self, msg: Optional[str]):
        if msg is None:
            self.overlay_message.setVisible(False)
            self.blur_eff.setEnabled(False)
            return
        self.overlay_message.setText(msg)
        self.overlay_message.setPos(
            self.pixmap.boundingRect().center() -
            QPointF(0.5 * self.overlay_message.boundingRect().width(), 0.5 *
                    self.overlay_message.boundingRect().height()))
        self.overlay_message.setVisible(True)
        self.blur_eff.setEnabled(True)

    def show_status_message(self, msg: Optional[str]):
        if msg is None:
            self.control_widget.set_title_text(self.camera.folder.name)
        else:
            self.control_widget.set_title_text(msg)

    def update_stick_box(self):
        left = 9000
        right = 0
        top = 9000
        bottom = -1

        for stick in self.camera.sticks:
            left = min(left, min(stick.top[0], stick.bottom[0]))
            right = max(right, max(stick.top[0], stick.bottom[0]))
            top = min(top, min(stick.top[1], stick.bottom[1]))
            bottom = max(bottom, max(stick.top[1], stick.bottom[1]))
        left -= 100
        right += 100
        top -= 100
        bottom += 100
        self.stick_box.setRect(left, top, right - left, bottom - top)
        pen = QPen(QColor(0, 100, 200, 200))
        pen.setWidth(2)
        pen.setStyle(Qt.DashLine)
        self.stick_box.setPen(pen)

    def set_stick_edit_mode(self, is_edit: bool):
        if is_edit:
            self.update_stick_box()
            self.stick_box_start_pos = self.stick_box.pos()
            for sw in self.stick_widgets:
                sw.setParentItem(self.stick_box)
        else:
            offset = self.stick_box.pos() - self.stick_box_start_pos
            for sw in self.stick_widgets:
                stick = sw.stick
                stick.translate(np.array([int(offset.x()), int(offset.y())]))
                sw.setParentItem(self)
                sw.set_stick(stick)
            self.stick_box.setParentItem(None)
            self.stick_box = QGraphicsRectItem(self)
            self.stick_box.setFlag(QGraphicsItem.ItemIsMovable, True)
            self.stick_box.setVisible(False)
        self.stick_box.setVisible(is_edit)

    def keyPressEvent(self, event: QKeyEvent) -> None:
        pass

    def keyReleaseEvent(self, event: QKeyEvent) -> None:
        if event.key() in [Qt.Key_Right, Qt.Key_Tab, Qt.Key_Space]:
            self.control_widget.next_photo_btn.click_button(True)
        elif event.key() in [Qt.Key_Left]:
            self.control_widget.prev_photo_btn.click_button(True)
        elif event.key() == Qt.Key_S:
            self.enter_pressed.emit()
Exemple #8
0
class IndicatorIconView(QGraphicsPixmapItem):
    def __init__(self,
                 parent: ViewBox,
                 icon_path: str,
                 icon_pos: int,
                 color: Optional[List[int]] = None,
                 message: str = ""):
        """An indicator icon for a pyqtgraph ViewBox

        The icon loaded from icon_path will be displayed in the low right corner of the ViewBox.

        :param parent: ViewBox to place indicator in
        :param icon_path: path to icon
        :param icon_pos: position index. Counting from 0 in lower right.
        """
        super().__init__()

        self.parent = parent
        self.icon_pos = icon_pos

        self.label = QGraphicsSimpleTextItem(message)
        self.label.setVisible(False)
        self.parent.scene().addItem(self.label)

        self.set_icon(icon_path, color)
        self.icon_size = [32, 32]

        self.parent.scene().addItem(self)

        self.position_icon()
        self.parent.sigResized.connect(self.position_icon)
        self.setVisible(False)
        self.setAcceptHoverEvents(True)

        self.connected_overlay = None

        self.actions: List[QAction] = []

    def set_icon(self, icon_path: str, color: Optional[List[int]] = None):
        if color is not None:
            image_data = skio.imread(icon_path, plugin="imageio")
            # Set the RGB part to the red channel multiplied by the requested color
            red_channel = image_data[:, :, 0] / 255
            image_data[:, :, 0] = red_channel * color[0]
            image_data[:, :, 1] = red_channel * color[1]
            image_data[:, :, 2] = red_channel * color[2]

            h = image_data.shape[0]
            w = image_data.shape[1]
            image_qi = QImage(image_data.data, w, h, 4 * w,
                              QImage.Format_RGBA8888)

            image_pm = QPixmap.fromImage(image_qi)

            self.label.setBrush(QColor(*color))
        else:
            image_pm = QPixmap(icon_path)
        self.setPixmap(image_pm)

    def position_icon(self):
        # The size of the imageview we are putting the icon ing
        scene_size = self.parent.size()
        # The position of the image within the scene
        scene_pos = self.parent.scenePos()
        # Lower right corner in scene pixel coordinates
        corner_pos_x = scene_size.width() + scene_pos.x()
        corner_pos_y = scene_size.height() + scene_pos.y()

        icon_pos_x = corner_pos_x - self.icon_size[0] * (1 +
                                                         self.icon_pos) - 10
        icon_pos_y = corner_pos_y - self.icon_size[1] - 30
        self.setOffset(icon_pos_x, icon_pos_y)

        label_width = self.label.boundingRect().width()
        self.label.setPos(corner_pos_x - label_width,
                          icon_pos_y - self.icon_size[0])

    def hoverEnterEvent(self, event):
        if self.connected_overlay is not None:
            self.connected_overlay.setVisible(True)
        self.label.setVisible(True)

    def hoverLeaveEvent(self, event):
        if self.connected_overlay is not None:
            self.connected_overlay.setVisible(False)
        self.label.setVisible(False)

    def add_actions(self, actions: List[Tuple[str, Callable]]):
        for text, method in actions:
            action = QAction(text)
            action.triggered.connect(method)
            self.actions.append(action)

    def mouseClickEvent(self, event):
        event.accept()
        if self.actions:
            qm = QMenu()
            for action in self.actions:
                qm.addAction(action)

            qm.exec(event.screenPos().toQPoint())