Rendering SVG Images in PDF

[Mario]

Hello. I am regularly seeing issues where embedded SVG images are being rendered slightly incorrectly in PDF. Nothing major, but slightly distorted lines. I've attached examples of both good (from a web browser) and bad for reference.

good-equation.png (4.54 KiB) Viewed 789 times

bad-equation.png (3.45 KiB) Viewed 789 times

Does this look familiar to anyone?

[julien_lacour]

Hello,

Could you attach the SVG file too? I will try to reproduce the problem on our side.
Could you also indicate which Oxygen version and which transformation scenario you are using?

Regards,
Julien

[Mario]

I'm not using a transformation scenario but a custom XML FO plugin. I've attached the SVG below.

equation_3.zip

(4.18 KiB) Downloaded 96 times

Please note that this is loaded into the target XML as an externl image, not inline.

[julien_lacour]

Hello,

I've tested using <oXygen/> XML Editor 25.1, build 2023070306, with the following scenario (as I don't have your plugin, it's the closest I've found):

1. The image is inserted as follows:

   Code: Select all

   <image placement="break" href="equation_3.svg"/>
   

2. The DITA Map PDF - based on XSL-FO transformation is launched

But this scenario fails, it seems that the width="35.869ex" height="5.343ex" values aren't compatible.

So I modified these values in a new file and try to run again the transformation:

equation_3_bis.zip

(4.24 KiB) Downloaded 87 times

But the result is correctly rendered:

image.png (9.97 KiB) Viewed 669 times

Could you try to use the equation_3_bis.svg image in your scenario? Is the problem still present?

Could you indicate which Oxygen version you are using? And if you are using the built-in Engine or an external DITA-OT?

Side Note: Using the DITA Map PDF - based on HTML5 & CSS scenario, both SVGs are rendered correctly.

Regards,
Julien

[Mario]

I've tested with the new SVG, and it looks the same. I am not rendering PDF in Oxygen, but using a custom DITA-OT plugin using Ant & RenderX. I strongly suspect it's the latter tool that's the issue.

[Mario]

It turns out that the problem was internal to XEP. I've been given a patch, but for various reasons we cannot use it in our environment.
Thanks for looking at this.