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class MyCustomBitmapBundleImpl(wx.BitmapBundleImpl):
def __init__(self):
super().__init__()
self.img = wx.Image(pngFile)
self.size = self.img.GetSize()
def GetDefaultSize(self):
# Report the best or default size for the bitmap
return self.size
def GetPreferredBitmapSizeAtScale(self, scale):
# Return the size of the bitmap at the given display scale. It
# doesn't need to be size*scale if there are unscaled bitmaps
# near that size.
return self.size * scale
def GetBitmap(self, size):
# Return the version of the bitmap at the desired size
img = self.img.Scale(size.width, size.height)
return wx.Bitmap(img)
toolBar.AddTool(wx.ID_OPEN, wx.BitmapBundle.FromImpl(MyCustomBitmapBundleImpl())
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