WebJun 21, 2024 · java代码抓取pdf部分文件生成缩略图 (50%) 0. 参考博文: java代码获取pdf文件第一页作为封面缩略图. 通过BufferedImage实现将几张图片合成一张图片,图片效果类型为依次排列图片. 1. 导入依赖. org.icepdf.os WebMar 13, 2024 · float scale = 1.0f; float rotation = 0f; // Paint each pages content to an image and write the image to file for (int i = 0; i < document.getNumberOfPages(); i++) { …
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WebAug 1, 2024 · 概述. 公司项目一个小任务,需要将pdf格式的文件转化为png图片格式。. 一开始的想法就是java一定有jar包实现了这个功能,只要查到这个jar包即可。. 经过度娘的帮助,果然找到一个jar包(icepdf.core.jar)。. WebApr 25, 2024 · document.setFile (inputFile); // maxPages = document.getPageTree ().getNumberOfPages (); BufferedImage p_w_picpath = (BufferedImage)document.getPageImage ( 0 , GraphicsRenderingHints.SCREEN, Page.BOUNDARY_CROPBOX, rotation, zoom); Iterator iter = … WebApr 15, 2024 · GraphicsRenderingHints.SCREEN, org.icepdf.core.pobjects.Page.BOUNDARY_CROPBOX, rotation, scale); RenderedImage rendImage = image; try { int n = i + 1; File f = new File (fileName); if (!f.exists ()) { f.mkdir (); } imagePath = fileName + "/image"+ n + ".jpg";//生成图片的路径 File file = new File … software to change color of house