gui.py 文件源码

def MakeThumbnail(self, filepath, PhotoMaxSize):
        img = wx.Image(filepath, wx.BITMAP_TYPE_ANY)
        # scale image, preserve aspect ratio
        W = img.GetWidth()
        H = img.GetHeight()
        if W > H:
            NewW = PhotoMaxSize
            NewH = PhotoMaxSize * H / W
        else:
            NewH = PhotoMaxSize
            NewW = PhotoMaxSize * W / H
        img = img.Scale(NewW,NewH)
        imgb = wx.BitmapFromImage(img)
        return img