FBD_Objects.py 文件源码

def Draw(self, dc):
        Graphic_Element.Draw(self, dc)
        dc.SetPen(MiterPen(wx.BLACK))
        dc.SetBrush(wx.WHITE_BRUSH)

        if getattr(dc, "printing", False):
            name_size = dc.GetTextExtent(self.Name)
        else:
            name_size = self.NameSize

        # Draw a rectangle with the connection size with arrows inside
        dc.DrawRectangle(self.Pos.x, self.Pos.y, self.Size[0] + 1, self.Size[1] + 1)
        arrowsize = min(self.Size[1] / 2, (self.Size[0] - name_size[0] - 10) / 2)
        dc.DrawLine(self.Pos.x, self.Pos.y, self.Pos.x + arrowsize,
                    self.Pos.y + self.Size[1] / 2)
        dc.DrawLine(self.Pos.x + arrowsize, self.Pos.y + self.Size[1] / 2,
                    self.Pos.x, self.Pos.y + self.Size[1])
        dc.DrawLine(self.Pos.x + self.Size[0] - arrowsize, self.Pos.y,
                    self.Pos.x + self.Size[0], self.Pos.y + self.Size[1] / 2)
        dc.DrawLine(self.Pos.x + self.Size[0], self.Pos.y + self.Size[1] / 2,
                    self.Pos.x + self.Size[0] - arrowsize, self.Pos.y + self.Size[1])
        # Draw connection name
        text_pos = (self.Pos.x + (self.Size[0] - name_size[0]) / 2,
                    self.Pos.y + (self.Size[1] - name_size[1]) / 2)
        dc.DrawText(self.Name, text_pos[0], text_pos[1])
        # Draw connector
        if self.Connector:
            self.Connector.Draw(dc)

        if not getattr(dc, "printing", False):
            DrawHighlightedText(dc, self.Name, self.Highlights, text_pos[0], text_pos[1])