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Can we generate a horizontally scrollable pdf using this library.What would be the steps? #126

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varshluck opened this issue Sep 8, 2017 · 4 comments
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Can we generate a horizontally scrollable pdf using this library.What would be the steps? #126

varshluck opened this issue Sep 8, 2017 · 4 comments

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@varshluck
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@danfickle
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If you mean a multi-page PDF document that scrolls horizontally, I don't believe the PDF specification allows that:
https://forums.adobe.com/thread/2084640

However, if you mean layout the pages as normal but render them horizontally to a single page which could be scrolled left to right, that should be doable.

It would be done by replicating the writePDF method in PdfBoxRenderer with appropriate changes. I could have a crack at this if you like.

Out of interest, what is your use case for this functionality?

@varshluck
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We are using this for our reporting framework .
When number of columns of our report exceed beyond a certain number the generated html has that table going out of bounds which generates a pdf with columns getting excluded.

@danfickle
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I think this is a generic problem, all content outside the page margin will be silently discarded. I think better behavior would be to insert a page with the clipped content. This would be behind a CSS flag to avoid backwards compatibility problems.

@danfickle danfickle mentioned this issue Jan 16, 2018
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danfickle added a commit that referenced this issue Aug 9, 2018
@danfickle
#180 #126 Ability to render cut-off page overflow.
3f70c65 
+ Very early work on getting cut-off page overflow to optionally render on inserted (shadow) pages. Fast renderer only.
+ Also fixed some page number issues in the fast renderer.
+ Also fixed an issue in the fast renderer where line boxes were rendered on multiple pages.
danfickle added a commit that referenced this issue Aug 11, 2018
@danfickle
#180 #126 Work on getting floats to print on inserted shadow pages.
5e78074
danfickle added a commit that referenced this issue Aug 12, 2018
@danfickle
#180 #126 Implement CSS page property -fs-max-overflow-pages
64131d2
danfickle added a commit that referenced this issue Aug 12, 2018
@danfickle
#180 #126 Implement CSS page property -fs-overflow-pages-direction.
5cadc6d 
Controls whether cut-off content to the right (ltr) of the page is inserted or to the left (rtl).
danfickle added a commit that referenced this issue Aug 19, 2018
@danfickle
#180 #126 More work on shadow pages for fast renderer.
0bfc402 
Also moved to make block boxes only print on pages where their border-box intersects with the page rect rather than all pages where their overflow intersects.
danfickle added a commit that referenced this issue Aug 29, 2018
@danfickle
#180 #126 Tests for overflow onto shadow pages.
8e259d3 
So I don't break what's working as I continue to work on shadow pages.

Included:
+ Static
+ Absolute/relative
+ floats
+ table
+ paginated table
danfickle added a commit that referenced this issue Sep 4, 2018
@danfickle
#180 #126 #273 More tests for page overflow and overflow hidden.
39204d4
@danfickle
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I have added a page on cut-off page support on the wiki.

Here is a sample PDF:

overflow.pdf

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@danfickle @varshluck