def DoOpenFile(self):
open_dlg = wx.FileDialog(self,message='Choose a file', style=wx.OPEN|wx.CHANGE_DIR)
if open_dlg.ShowModal() == wx.ID_OK:
self.picpath=open_dlg.GetPath()
self.picName = open_dlg.GetFilename()
try:
self.im = pylab.array(Image.open(self.picpath).convert('L'))
self.displayImage()
except IOError, error:
dlg = wx.MessageDialog(self, 'Error opening file\n' + str(error))
dlg.ShowModal()
def btnResetEvent(self, event):
"""重置图片，撤销所有修改"""
self.im = pylab.array(Image.open(self.picpath).convert('L'))
self.displayImage()