def Filter_7(self): #边界 requirement4_1.picshow(self.filename(), 7)
def Filter_8(self): #浮雕 requirement4_1.picshow(self.filename(), 8)
def Filter_5(self): #清新 requirement4_1.picshow(self.filename(), 5)
def Filter_6(self): #轮廓 requirement4_1.picshow(self.filename(), 6)
def Filter_4(self): #暖色 requirement4_1.picshow(self.filename(), 4)
def Filter_3(self): #怀旧 requirement4_1.picshow(self.filename(), 3)
def Filter_2(self): #冷色 requirement4_1.picshow(self.filename(), 2)
def Filter_1(self): #黑白 requirement4_1.picshow(self.filename(),1)
def Filter_8(self): imagename = self.lineEdit_16.text() requirement4_1.picshow(imagename, 8)