def fileNew(self):
if not self.okToContinue():
return
dialog = newimagedlg.NewImageDlg(self)
if dialog.exec_():
self.addRecentFile(self.filename)
self.image = QImage()
for action, check in self.resetableActions:
action.setChecked(check)
self.image = dialog.image()
self.filename = None
self.dirty = True
self.showImage()
self.sizeLabel.setText("{0} x {1}".format(self.image.width(),
self.image.height()))
self.updateStatus("Created new image")
def fileNew(self):
if not self.okToContinue(): #判断当前任务是否完成，提示进行保存或重新加载
return
dialog = newimagedlg.NewImageDlg(self)
if dialog.exec_():
try:
self.addRecentFile(self.filename) # 将上一个图像添加到recentFile中
self.image = QImage() #对一些关键变量进行初始化（__init__内部的）
for action, check in self.resetableActions:
action.setChecked(check) #对action进行初始化
self.image = dialog.image() #把生成的图像赋值给images属性
self.filename = None
self.dirty = True
# self.showImage() #展示图片，然后设置通知栏的提示和Log提示
try:
self.showImage()
except:
self.showbug()
self.sizeLabel.setText(
"%s × %s" % (self.image.width(), self.image.height()))
self.updateStatus("创建一个新图像")
except:
self.showbug()