软件包：optipng（0.7.8+ds-1 以及其他的） [debports]
advanced PNG (Portable Network Graphics) optimizer
OptiPNG is a PNG optimizer that recompresses the image files to a smaller size. It losslessly reduces the bit depth, the color type and the color palette of the image, runs a suite of compression methods and strategies, and selects the compression parameters that yield the smallest output file. It also recognizes several external file formats like BMP, GIF, TIFF and PNM (PBM, PGM, PPM).
其他与 optipng 有关的软件包
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- dep: libc6 (>= 2.34)
- GNU C 语言运行库：共享库
同时作为一个虚包由这些包填实： libc6-udeb
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- dep: libpng16-16t64 (>= 1.6.2)
- PNG 库 - 运行时（版本 1.6）
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- dep: zlib1g (>= 1:1.1.4)
- 压缩库 - 运行时