ef1d22aea5
The Translate node leaves empty pixels at the boundary of the image. This caused by incorrect clipping when sampling the pixels. To fix this, we adjust COM_MemoryBuffer::read to read using Extend or Repeat using BLI interpolation, then multiply that by a clipping rectangle. The read_elem_sampled function is now defined in terms of the read method. This also coincidentally fixes off by half a pixel error in nearest neighbour interpolation.
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