homography.py 文件源码

def __init__(self, parent):
        super(HomographyScene, self).__init__(parent)
        self.points = []
        self.main_pixmap_item = None  # Either None or a QGraphicsPixmapItem representing the loaded image

        # Point configuration
        self.point_rad = 12  # Radius, in pixels
        self.point_pen_color = QtGui.QColor(255, 74, 13, 230)  # R, G, B, A
        self.point_pen = QtGui.QPen(self.point_pen_color, 6)
        self.point_brush_color = QtGui.QColor(195, 13, 255, 20)  # R, G, B, A
        self.point_brush = QtGui.QBrush(self.point_brush_color)
        self.point_selected = False
        self.selected_point = None

        font = QtGui.QFont()
        font.setPixelSize(48)
        font.setBold(True)
        self.label_font = font
        self.label_pen_color = QtGui.QColor(0, 0, 0)  # R, G, B
        self.label_pen = QtGui.QPen(self.label_pen_color, 2)
        self.label_brush_color = QtGui.QColor(255, 255, 255)  # R, G, B
        self.label_brush = QtGui.QBrush(self.label_brush_color)