我一直在使用Qt设计建立一个GUI,桂有一个中央物件是一个水平布局,和孩子这是QGraphicView(名称leftImage和右图)Qt设计的QGraphicsView负荷图像
在菜单栏中我'已经创建了两个按钮 - “打开左侧图像”和“打开右侧图像”
我已经设法使用这个按钮(它打开打开对话框并正确选择正确的文件),但我看不到GUI上的图像。
这是我的代码:
#!/usr/bin/env python
import sys
from PyQt4 import QtCore, QtGui, uic
form_class = uic.loadUiType("try2gui.ui")[0]
class MyWindowClass(QtGui.QMainWindow, form_class):
def __init__(self, parent=None):
QtGui.QMainWindow.__init__(self, parent)
self.setupUi(self)
self.initMenu()
image = QtGui.QImage('image.pgm')
self.LeftImage = QtGui.QPixmap(image)
self.RightImage = QtGui.QPixmap(image)
self.show()
def initMenu (self):
self.actionOpen_Left.triggered.connect(self.open_left)
self.actionOpen_Right.triggered.connect(self.open_Right)
self.actionExit.triggered.connect(self.close)
def open_left(self):
fileName = QtGui.QFileDialog.getOpenFileName(self, "Open File", QtCore.QDir.currentPath())
if fileName:
image = QtGui.QImage(fileName)
if image.isNull():
QtGui.QMessageBox.information(self, "Image Viewer", "Cannot load %s." % fileName)
return
self.centralwidget.LeftImage = QtGui.QPixmap(image)
self.scaleFactor = 1.0
print fileName
def open_Right(self):
fileName = QtGui.QFileDialog.getOpenFileName(self, "Open File", QtCore.QDir.currentPath())
if fileName:
image = QtGui.QImage(fileName)
if image.isNull():
QtGui.QMessageBox.information(self, "Image Viewer", "Cannot load %s." % fileName)
return
self.RightImage = QtGui.QPixmap(image)
self.scaleFactor = 1.0
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
myWindow = MyWindowClass(None)
myWindow.show()
app.exec_()
我怎样才能更新GUI看到加载的图像?