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class MyCustomBitmapBundleImpl(wx.BitmapBundleImpl):
def GetDefaultSize():
return wx.Size(32, 32)
def GetPreferredBitmapSizeAtScale(self, scale):
return self.DoGetPreferredSize(scale)
def GetBitmap(self, size):
# For consistency with GetNextAvailableScale(), we must have
# bitmap variants for 32, 48 and 64px sizes.
availableSizes = [32, 48, 64]
if (size.y <= 64)
... get the bitmap from somewhere ...
else:
n = self.GetIndexToUpscale(size)
bitmap = ... get bitmap for availableSizes[n] ...
wx.Bitmap.Rescale(bitmap, size)
return bitmap
def GetNextAvailableScale(self, idx):
# The zero marks the end of available scales, and it means this
# method won't be called again after the zero is returned.
availableScales = [1.0, 1.5, 2.0, 0]
scale = availableScales[idx]
idx += 1
return (scale, idx)
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