图像压缩
设置图像压缩参数
函数
imgCompress | 将 HDU 从一个文件压缩到另一个文件中 |
isCompressedImg | 确定当前图像是否已压缩 |
setCompressionType | 设置图像压缩类型 |
setHCompScale | 设置 HCOMPRESS 算法的缩放参数 |
setHCompSmooth | 为使用 HCOMPRESS 压缩的图像设置平滑化 |
setTileDim | 设置图块维度 |
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