SVG or embedded pdf Images

#26240

Does pd4ml include support for svg images included in the html document, or any other vector graphics? I have an image creation script that can also write out the images I am using as an svg or pdf (as well as gif/png which I use in the web pages). if I could directly embed those into the pd4ml document rather than using a gif/png, it would decrease the size of large documents, and increase image quality.

Thanks!

#27430

Unfortunately PD4ML does not support SVG graphics. SVG format is comparable by complexity to PDF itself and a fair implementation of SVG support module is not a trivial task.

We considered to use open-source SVG renderers, but were not satisfied with the existing libraries.

We are trying to keep PD4ML compact and performant, so we do not use general-purpose XML parsers, HTML code normalizers etc. Everything we use is custom developed (parsers, for example, with JavaCC) and specialized for HTML rendering and PDF output. As a result we have only 2 JARs, 635KB in size.

An adding of bulky 12MB of Batik (an open-source SVG library) just to support a single image format, was unacceptable from our perspective.

Nevertheless the SVG support is still in our TODO list. Most probably we’ll implement a plugable interface for vector graphics writers and an optional Batik-interface module is going to be an implementation of it.

#27431

Thanks very much for the prompt response. i appreciate the lightweight and fast performing nature of pd4ml.

I may attempt to implement something that takes output from pd4ml and replaces images with vector images using iText. I will let you know if I get anything to work like that, but I doubt I’ll be able to. That will be neat if/when it gets implemented into pd4ml. Keep up the good work!

Thanks again!
David

#27432

Have there been any updates/changes with regard to this? I’m considering using a charting library that generates SVG charts. I could use Batik to convert those to JPEG/PNG, but it would be great if I could instead embed the SVG in the PDF.

Thanks,
Matt

#27433

We plan to return to the topic in October-November 2012. Hopefully we’ll find a good lightweight SVG library. There are few candidates; and we prefer not to use Batik.

#27434

Thanks for the update. I look forward to any future updates on this.

Thanks,
Matt

#27435

Any update for svg support, please email to me :leiwei1997@yahoo.com.cn

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