52ky 发表于 2021-6-16 13:18:36

PDF压缩工具

用于产生PDF文件的几个主要工具有Adobe的 Acrobat Distiller、PDFLib开源库、以及一些能够产生PDF结果虚拟打印机工具。这些工具在产生PDF文件的过程中,或多或少都会有一些小的问题。Acrobat Distiller在制作PDF文件时,对于黑白图像没有使用压缩率更高的JBIG2编码,而是使用了CCITTFax编码;使用PDFLib制作PDF文件时,有时会在文件内产生很多无用对象。

(The main tools used to generate PDF files are Adobe's Acrobat Distiller, PDFLib open source library, and some virtual printer tools that can generate PDF results. These tools have more or less minor problems in the process of generating PDF files. When Acrobat Distiller makes PDF files, it does not use the higher compression rate JBIG2 encoding for black and white images, but uses CCITTFax encoding; when using PDFLib to make PDF files, sometimes many useless objects are generated in the file.)


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