Python Shape.close方法代码示例

# 需要导入模块: from shape import Shape [as 别名]
# 或者: from shape.Shape import close [as 别名]
 def loadLabels(self, shapes):
     s = []
     for label, points, line_color, fill_color in shapes:
         shape = Shape(label=label)
         for x, y in points:
             shape.addPoint(QPointF(x, y))
         shape.close()
         s.append(shape)
         self.addLabel(shape)
         if line_color:
             shape.line_color = QColor(*line_color)
         if fill_color:
             shape.fill_color = QColor(*fill_color)
     self.canvas.loadShapes(s)

# 需要导入模块: from shape import Shape [as 别名]
# 或者: from shape.Shape import close [as 别名]
class Canvas(QWidget):
    zoomRequest = pyqtSignal(int)
    scrollRequest = pyqtSignal(int, int)
    newShape = pyqtSignal()
    selectionChanged = pyqtSignal(bool)
    shapeMoved = pyqtSignal()
    drawingPolygon = pyqtSignal(bool)

    CREATE, EDIT = range(2)

    epsilon = 11.0

    def __init__(self, *args, **kwargs):
        super(Canvas, self).__init__(*args, **kwargs)
        # Initialise local state.
        self.anno = []
        self.mode = self.EDIT
        self.shapes = []
        self.current = None
        self.selectedShape = None  # save the selected shape here
        self.selectedShapeCopy = None
        self.lineColor = QColor(0, 0, 255)
        self.line = Shape(line_color=self.lineColor)
        self.prevPoint = QPointF()
        self.offsets = QPointF(), QPointF()
        self.scale = 1.0
        self.pixmap = QPixmap()
        self.visible = {}
        self._hideBackround = False
        self.hideBackround = False
        self.hShape = None
        self.hVertex = None
        self._painter = QPainter()
        self._cursor = CURSOR_DEFAULT
        # Menus:
        self.menus = (QMenu(), QMenu())
        # Set widget options.
        self.setMouseTracking(True)
        self.setFocusPolicy(Qt.WheelFocus)

    def enterEvent(self, ev):
        self.overrideCursor(self._cursor)

    def leaveEvent(self, ev):
        self.restoreCursor()

    def focusOutEvent(self, ev):
        self.restoreCursor()

    def isVisible(self, shape):
        return self.visible.get(shape, True)

    def drawing(self):
        return self.mode == self.CREATE

    def editing(self):
        return self.mode == self.EDIT

    def setEditing(self, value=True):
        self.mode = self.EDIT if value else self.CREATE
        if not value:  # Create
            self.unHighlight()
            self.deSelectShape()

    def unHighlight(self):
        if self.hShape:
            self.hShape.highlightClear()
        self.hVertex = self.hShape = None

    def selectedVertex(self):
        return self.hVertex is not None

    def mouseMoveEvent(self, ev):
        """Update line with last point and current coordinates."""
        pos = self.transformPos(ev.posF())

        self.restoreCursor()

        # Polygon drawing.
        if self.drawing():
            self.overrideCursor(CURSOR_DRAW)
            if self.current:
                color = self.lineColor
                if self.outOfPixmap(pos):
                    # Don't allow the user to draw outside the pixmap.
                    # Project the point to the pixmap's edges.
                    pos = self.intersectionPoint(self.current[-1], pos)
                elif len(self.current) > 1 and self.closeEnough(pos, self.current[0]):
                    # Attract line to starting point and colorise to alert the user:
                    pos = self.current[0]
                    color = self.current.line_color
                    self.overrideCursor(CURSOR_POINT)
                    self.current.highlightVertex(0, Shape.NEAR_VERTEX)
                self.line[1] = pos
                self.line.line_color = color
                self.repaint()
                self.current.highlightClear()
            return

        # Polygon copy moving.
#.........这里部分代码省略.........

# 需要导入模块: from shape import Shape [as 别名]
# 或者: from shape.Shape import close [as 别名]

#.........这里部分代码省略.........
        return self.mode == self.EDIT

    def setEditing(self, value=True):
        self.mode = self.EDIT if value else self.CREATE
        if not value:  # Create
            self.unHighlight()
            self.deSelectShape()
        self.prevPoint = QPointF()
        self.repaint()

    def unHighlight(self):
        if self.hShape:
            self.hShape.highlightClear()
        self.hVertex = self.hShape = None

    def selectedVertex(self):
        return self.hVertex is not None

    def mouseMoveEvent(self, ev):
        """Update line with last point and current coordinates."""
        pos = self.transformPos(ev.pos())

        # self.restoreCursor()

        # Polygon drawing.
        if self.drawing():
            self.overrideCursor(CURSOR_DRAW)
            if self.current:
                color = self.lineColor
                if self.outOfPixmap(pos):
                    # Don't allow the user to draw outside the pixmap.
                    # Project the point to the pixmap's edges.
                    pos = self.intersectionPoint(self.current[-1], pos)
                elif len(self.current) > 1 and self.closeEnough(pos, self.current[0]):
                    # Attract line to starting point and colorise to alert the
                    # user:
                    pos = self.current[0]
                    color = self.current.line_color
                    self.overrideCursor(CURSOR_POINT)
                    self.current.highlightVertex(0, Shape.NEAR_VERTEX)
                self.line[1] = pos
                self.line.line_color = color
                self.prevPoint = QPointF()
                self.current.highlightClear()
            else:
                self.prevPoint = pos
            self.repaint()
        else:
            # change the mouse style if it enters the selected shape rotation area.
            ## get the selected shape's points
            if self.selectedShape is not None and self.selectedShape._shapetype != 'Point':
                points = self.selectedShape.points
                p1 = (points[0]+points[1])/2
                p2 = QPoint(p1.x(), p1.y()-15)
                # rotation button area
                topLeft = QPoint(p2.x()-20, p2.y()-40)
                bottomRight = QPoint(p2.x()+20, p2.y())
                rect = QRect(topLeft, bottomRight)
                # change the mouse shape
                print(pos.x(), pos.y())
                if pos.x() >= topLeft.x() and pos.x() <= bottomRight.x():
                    if pos.y() >= topLeft.y() and pos.y() <= bottomRight.y():
                        #self.overrideCursor(CURSOR_DRAW)
                        print('here we should do something.')

        # Polygon copy moving.