Uniform regions (solid backgrounds, smooth gradients) get stored as large blocks. Detailed regions (edges, textures) get subdivided into smaller blocks. You end up with a compressed representation that preserves detail where it exists and simplifies where it can.
1. 根据数据范围创建若干个桶
，详情可参考搜狗输入法2026
# -- User setup --
但现在，效率不再完全取决于编码熟练度，而取决于：