目 录 前言 ----------------------------------------------------------------------------------------------------------------------- 1 PDF 简介 ----------------------------------------------------------------------------------------------------------- 1 项目简介 ---------------------------------------------------------------------------------------------------------- 2 PDF 文件格式 ----------------------------------------------------------------------------------------------------------- 3 PDF 区域内容呈现方式 --------------------------------------------------------------------------------------- 3 PDF 文件头(header) ---------------------------------------------------------------------------------------- 3 文件主干部分(body) --------------------------------------------------------------------------------------- 3 参照表(Cross-Reference Table) -------------------------------------------------------------------------- 4 trailer 区域 ------------------------------------------------------------------------------------------------------- 5 对象流(Object Streams) ----------------------------------------------------------------------------------- 6 参照流(Cross-Reference Streams) ---------------------------------------------------------------------- 8 参照流字典 Cross-Reference Stream Dictionary ------------------------------------------------- 8 参照流数据 Cross-Reference Stream Data --------------------------------------------------------- 9 与PDF1.4 兼容 Compatibility with PDF 1.4 -------------------------------------------------------------- 9 PDF 文件内置对象 -------------------------------------------------------------------------------------------------- 10 PDF 文件支持8 种基本类型对象: --------------------------------------------------------------------- 10 布尔值对象 ----------------------------------------------------------------------------------------------------- 10 字符串对...