[oXygen-user] Image and table width in Author mode

[Oxygen XML Editor Support (Radu Coravu)]

Hi Frank,


Please see some remarks below:

> All my images have PNG format and an "otherprops="fmdpi:xxx" attribute 
> where xxx is usually 150, in some cases 140, 160 or similar. 
> FrameMaker, my previous XML editor, honors this attribute and scales 
> the images appropriately.
>
Well it honors its own Frame specific custom attributes which are not 
defined in the DITA specification.

Are you still publishing to PDF using Frame?

> I notice that oXygen displays images bigger in its editor compared to 
> 150 dpi images in FrameMaker.
>
Oxygen's default DPI is about 96 which is closer to the Web output.

We have some CSS settings to change the DPI when publishing DITA to PDF 
using our CSS based engine:

https://www.oxygenxml.com/doc/versions/25.0/ug-editor/topics/dcpp_images.html

but we do not have settings to change the DPI in the visual editor on a 
per-image base.

> I would need to reduce all images to about 66% of their size (= by 
> factor 1.5). Unfortunately I do not know of any CSS style which scales 
> images based on their own pixel size. Percentage values in CSS apply 
> to the widht or height of the viewport.
>
Yes, I also do not see a possible way to do this with CSS. DITA <image> 
elements allow setting the width or scale attributes on them. Like:

> <image href="../../images/Iris_sanguinea.jpg" scale="160"/>
and Oxygen takes this into account. But we take it into account because 
we know it's DITA, not because of a certain CSS rule which could be 
modified to cover another attribute.
>
>
> Likewise, I would  like to make sure that table columns are not too 
> narrow on the PDF pages.
>
Most XML editors are not what you see is what you get especially because 
XML can be published to multiple formats. The PDF may have a different 
font, it splits into pages, it has a certain page width... best you can 
do is to try and make things look more like the published content in the 
visual editor and check the PDF from time to time.


Regards,

Radu

Radu Coravu
Oxygen XML Editor


On 2/9/23 15:08, Frank Dissinger wrote:
>
> Hi list,
>
>
> I publish DITA content as online help and PDF. In oXygen's Author mode 
> I would like to make sure that images do not exceed the width of the 
> A4-sized PDF pages. Sometimes I also place two or more inline images 
> side by side in a paragraph and want to make sure if all of them fit 
> on the line or if there is a line break between them.
>
>
> All my images have PNG format and an "otherprops="fmdpi:xxx" attribute 
> where xxx is usually 150, in some cases 140, 160 or similar. 
> FrameMaker, my previous XML editor, honors this attribute and scales 
> the images appropriately.
>
>
> I notice that oXygen displays images bigger in its editor compared to 
> 150 dpi images in FrameMaker. I would need to reduce all images to 
> about 66% of their size (= by factor 1.5). Unfortunately I do not know 
> of any CSS style which scales images based on their own pixel size. 
> Percentage values in CSS apply to the widht or height of the viewport.
>
>
> Likewise, I would  like to make sure that table columns are not too 
> narrow on the PDF pages.
>
>
> What can I do? Any ideas are welcome.
>
>
> Regards,
>
> Frank
>
> -- 
>
> *Frank Dissinger*
>
> Documentation Manager
>
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