ztv.py 文件源码

def __init__(self, parent, size=wx.Size(128,128), dpi=None, **kwargs):
        self.size = size
        self.dragging_curview_is_active = False
        wx.Panel.__init__(self, parent, wx.ID_ANY, wx.DefaultPosition, size, 0, **kwargs)
        self.ztv_frame = self.GetTopLevelParent()
        self.figure = Figure(None, dpi)
        self.axes = self.figure.add_axes([0., 0., 1., 1.])
        self.curview_rectangle = Rectangle((0, 0), 1, 1, color='orange', fill=False, zorder=100)
        self.axes.add_patch(self.curview_rectangle)
        self.canvas = FigureCanvasWxAgg(self, -1, self.figure)
        self.overview_zoom_factor = 1.
        self._SetSize()
        self.set_xy_limits()
        self.axes_widget = AxesWidget(self.figure.gca())
        self.axes_widget.connect_event('button_press_event', self.on_button_press)
        self.axes_widget.connect_event('button_release_event', self.on_button_release)
        self.axes_widget.connect_event('motion_notify_event', self.on_motion)
        pub.subscribe(self.redraw_overview_image, 'redraw-image')   
        pub.subscribe(self.redraw_box, 'primary-xy-limits-changed')