Jpedal 图书馆免费吗?
Jpedal 库是完全免费的吗? 我注意到下载链接提到了试用! :(
Is Jpedal library totally free?
As I noticed the download link is mentioning trial! :(
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完整的 JPedal 库已获得专有/商业许可:http://www.jpedal.org/support_faq.php#许可
缩减版本是 LGPL 下的开源版本。
Full JPedal library is proprietary/commercial licensed: http://www.jpedal.org/support_faq.php#licensing
A cut-down version is open source under LGPL.
你需要做更多的研究。
快速搜索该网站后发现,pdf 查看器是 LGPL,而完整客户端则不是。
请参阅 JPedal 下载 30 天试用版 和 JPedal - 商业版与 LGPL 版本比较
You need to do more research.
A quick search of the website shows that the pdf viewer is LGPL, while the full client is not.
See JPedal Download the 30 day trial version and JPedal - Commercial vs LGPL version comparison
是的,如果您遵守 LGPL 许可证,Jpedal 是完全免费的。
更新:
世界同时发生了变化,(LGPL)开源 Jpedal 被停止了。如果您查找该版本,它已从 sourceforge 中删除。最新版本基于 4.92 版本,您可以在此处下载。该库使用 Swing/AWT 来渲染 PDF。
不久前,Jpedal 的新版本以“OpenViewerFX”的名称发布,并且与上面基本相同,但使用 JavaFX 渲染 PDF。由于使用JavaFX,因此需要Java 1.8。
更新 II:
OpenViewerFX 也已停产。所以目前jpedal还没有开源版本。您仍然可以在此处找到代码。
Yes Jpedal is totally free if you comply to the LGPL license.
Update:
The world changed in the meantime and the (LGPL) open source Jpedal was stopped. If you look for that version it was removed from sourceforge. The last vrsion was based on the 4.92 Version you can download it here. This library is using Swing/AWT for rendering PDFs.
A while ago the newer version of Jpedal was released under the name of 'OpenViewerFX' and is basically the same as above but using JavaFX for rendering PDFs. Since JavaFX is used it needs Java 1.8.
Update II:
The OpenViewerFX was also discontinued. So there is currently no open source version of jpedal. You can still find the code here.
他们的常见问题解答中有一个部分涉及许可问题:Jpedal 常见问题解答
There's a section in their FAQ that covers the licensing issue: Jpedal FAQ
对于那些寻找免费版本的人,您可以在此处获取JPedal LGPL v4.92b23:
https://mvnrepository.com/artifact/org.jpedal.jpedal-lgpl/jpedal-lgpl/4.92b23
还有一个 github 分支 此处。与原始版本相比,测试它的 pdf->png 转换似乎产生了好坏参半的结果。
For those searching for the free version, you can get JPedal LGPL v4.92b23 here:
https://mvnrepository.com/artifact/org.jpedal.jpedal-lgpl/jpedal-lgpl/4.92b23
There's also a github fork here. Testing it for pdf->png conversion seemed to produce mixed results compared to the original version.