Hi, Tilman, Thanks for the advice.
Yes I have installed the jar in class path. And I checked log and didn’t find the message. -----邮件原件----- 发件人: Tilman Hausherr [mailto:[email protected]] 发送时间: 2017年9月20日 14:51 收件人: [email protected] 主题: Re: Signature lost when converted from PDF to jpg Hi, I can display it. Did you get a log message like this? Cannot read JPEG2000 image: Java Advanced Imaging (JAI) Image I/O Tools are not installed Please read https://pdfbox.apache.org/2.0/dependencies.html The link to jai is broken... it's either a file named jai_imageio.jar that you have somewhere, or http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-java-client-419417.html , or the files from https://github.com/jai-imageio/jai-imageio-core https://github.com/jai-imageio/jai-imageio-jpeg2000 Tilman Am 20.09.2017 um 08:40 schrieb YE ...: > Sorry. My mistake. > > > Here are the correct links: > > PDF: > > https://shujubiji.cn/uppv/bjPhoto/d5418a966daecda62bcf056ddc1e79c99a4c > 6546/1505873304680/original_with_signature.pdf?zid=__itemtoken__ca7e30 > b40bc13a74fcc7765a59c9411c1215c2e8 > > Converted JPG: > > https://shujubiji.cn/uppv/bjPhoto/d5418a966daecda62bcf056ddc1e79c99a4c > 6546/1505873315791/converted_with_no_signature.jpg?zid=__itemtoken__3f > 1caa712e322f4ae4fa483fdd2089d341ff7ba9 > > And yes I am using 2.0.7. > > Regards, > Ye > > ________________________________ > From: Tilman Hausherr <[email protected]> > Sent: Wednesday, September 20, 2017 6:31 AM > To: [email protected] > Subject: Re: Signature lost when converted from PDF to jpg > > Hi, > You posted the same URL twice. So we can see but not the PDF. Please > mention the version you are using (hopefully 2.0.7). > Tilman > > Am 20.09.2017 um 04:09 schrieb YE ...: >> Hi, I am using pdfbox to convert PDF to jpgs. >> >> >> I have a case that the original PDF has signature but when converted to PDF >> the signature is lost. >> >> >> Is there any special setting for exporting signature? >> >> >> Original PDF: >> >> https://shujubiji.cn/share/repositories?id=AV6dC1CSCNMzogJYCA5Q&token >> =__itemtoken__3f1caa712e322f4ae4fa483fdd2089d341ff7ba9 > 图片化数字资产管理,pdf转jpg,ppt/doc转jpg保存和发布,专业文档/图库/视频库的最佳选择<https://shujubiji. > cn/share/repositories?id=AV6dC1CSCNMzogJYCA5Q&token=__itemtoken__3f1ca > a712e322f4ae4fa483fdd2089d341ff7ba9> > shujubiji.cn > 数据笔记是一个内容图片化数字资产管理平台。pdf转jpg doc转jpg docx转jpg ppt转jpg > pptx转jpg图片是互联网时代最佳展现方式。除了直接管理图片资产以外,数据笔记对视频自动截屏,将Word/PPT/pdf转jpg转换,让内 > 容在任何时候,任何平台上,随时可见。 > > > >> >> >> Converted: >> >> https://shujubiji.cn/share/repositories?id=AV6dC1CSCNMzogJYCA5Q&token >> =__itemtoken__3f1caa712e322f4ae4fa483fdd2089d341ff7ba9 > 图片化数字资产管理,pdf转jpg,ppt/doc转jpg保存和发布,专业文档/图库/视频库的最佳选择<https://shujubiji. > cn/share/repositories?id=AV6dC1CSCNMzogJYCA5Q&token=__itemtoken__3f1ca > a712e322f4ae4fa483fdd2089d341ff7ba9> > shujubiji.cn > 数据笔记是一个内容图片化数字资产管理平台。pdf转jpg doc转jpg docx转jpg ppt转jpg > pptx转jpg图片是互联网时代最佳展现方式。除了直接管理图片资产以外,数据笔记对视频自动截屏,将Word/PPT/pdf转jpg转换,让内 > 容在任何时候,任何平台上,随时可见。 > > > >> >> >> My code is very simple: >> >> >> pdfRenderer = new PDFRenderer(document) >> >> >> pdfRenderer.renderImageWithDPI(page, DPI, ImageType.RGB) >> >> >> Thanks >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]

