Message-ID: <92dcf0df-3dac-d0a8-c91d-6cd3701756a1@gmail.com>
Date: 2018-01-10T13:56:39Z
From: Duncan Murdoch
Subject: [R-pkg-devel] Resize PDF Vignettes in Source Package
In-Reply-To: <DB6PR0401MB2295914DCD715424D868C530ED110@DB6PR0401MB2295.eurprd04.prod.outlook.com>
On 10/01/2018 2:08 AM, Marius PASCARIU wrote:
> Dear all,
>
> I want to add PDF vignettes to my package created with rmarkdown. The PDFs are generated without problems. If I submit the package to CRAN I would a warning telling me that the files are too large (see below):
>
> checking sizes of PDF files under 'inst/doc' ... WARNING
> 'gs+qpdf' made some significant size reductions:
> compacted 'Manual.pdf' from 370Kb to 116Kb
> consider running tools::compactPDF(gs_quality = "ebook") on these files
>
> I do run `tools::compactPDF(gs_quality = "ebook?)` and the size of the PDF is indeed reduced to 116Kb. Now, if I build again the source package using `R CMD build <package_name>` the vignette is reconstructed at its original size (370Kb). However, If I build the package using `R CMD build <package_name> --no-build-vignettes` in order to keep the small PDF, the check would throw me the following NOTE:
>
> Package has a VignetteBuilder field but no prebuilt vignette index.
>
> Any ideas how can I include the compacted PDFs in the souce package and have a vignette index in the same time?
>
When you build the tarball, use the --compact-vignettes option.
Duncan Murdoch