staplr | PDF Toolkit | Document Editor library
kandi X-RAY | staplr Summary
kandi X-RAY | staplr Summary
PDF Toolkit. :paperclip: :hammer: :wrench: :scissors: :bookmark_tabs: :file_folder::paperclip: :bookmark: :construction: :construction_worker:
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Top functions reviewed by kandi - BETA
- Gets a single font
- Reads the dictionary
- Creates a range item for an entire index
- Reads bytes into a byte array
- Sets a field property
- Splits the DA elements into pixels
- Read the font metrics
- Read a line
- Writes the font to the specified writer
- Builds a new output stream
- Read the names of TTF files
- Shuffle the subset names
- Replies the acroform for the given document
- Adds an element to the page
- Generates a PdfPK5 signature
- Gets the appearance names for a field
- Read the FDSelect from a font
- Sets the signature field
- Read the font data
- Gets a new signature name
- Gets a text field
- Adds an image to a document
- Generates a PDF
- Fills the array
- Gets the full font
- Type 1
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Trending Discussions on staplr
QUESTION
When using the exams
package to produce PDF files for NOPS exams I want to edit the number of digits that are available to my students (reglength
). I am aware that the package only admits a minimum of 7 digits. However, our students only have 5 digits in their ID number. As so I would to know if it is possible to edit the template via PDF manipulation (I tried with the staplr::get_fields()
function, but it does not work) or any other way... I simply want to add 0
to the two first digits (i.e., 00xxxxx
).
ANSWER
Answered 2020-Dec-17 at 00:39This is a good idea which I have implemented in exams 2.4-0 now (the current development version at the time of writing). If you specify a reglength < 7
now, it is still enforced to be 7 internally - and thus this length is necessary in the registration CSV file! But on the exam sheet the initial IDs are fixed to "0" and the corresponding boxes are ticked already.
For example, the following code will give you a warning but produce the output below:
QUESTION
for multiline cells
Trying to use DT::datatable()
in R to export a table with multiline cells to pdf. DT::datatable()
works perfectly for multiline cells, but problems arise when trying to export to pdf. I’ve tried two different approaches, each with their own problems.
There are very many threads about keeping formatting when exporting to pdf, but none about exporting multiline cells.
Approach 1: The pdf print button of the Buttons
extension with the arguments escape = FALSE
and exportOptions = list(stripHtml = FALSE)
and customized JS()
functions.
The problem here is that the formatting is not preserved (in Rstudio it looks great until exporting to pdf). This solution (Keep formatting when exporting table with DT (DataTables buttons extension)) works perfectly to specifying certain formats for headers, colours, alignments etc (as I have tried in the customize
argument). However, what I’m trying to do is to keep HTML formatting in the values, namely multiline cells ("A
). Does anyone know which
B
C"JS()
function I need to pass to the customize
argument to have the
be read and printed accordingly? Or is there another way to do this?
ANSWER
Answered 2020-Nov-07 at 12:35The combination of knitr::kable
and wkhtmltopdf
does the trick: it ensures the formatting of multiline cells, produces multiple paged pdf's with table headers on every page.
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