Convert Pages to Image Thumbnails
make_thumbnails(file, outdir = NULL, pages = NULL, format = c("png", "jpeg", "bmp", "gif"), resolution = 72, password = NULL, copy = FALSE)
file | A character string specifying the path or URL to a PDF file. |
---|---|
outdir | An optional character string specifying a directory into which
to split the resulting files. If |
pages | An optional integer vector specifying pages to extract from. |
format | A character string specifying an image file format. |
resolution | A numeric value specifying the image resolution in DPI. |
password | Optionally, a character string containing a user password to access a secured PDF. |
copy | Specifies whether the original local file(s) should be copied to
|
A character vector of file paths.
This function save each (specified) page of a document as an image with 720 dpi resolution. Images are saved in the same directory as the original file, with file names specified by the original file name, a page number, and the corresponding file format extension.
This may generate Java “INFO” messages in the console, which can be safely ignored.
extract_tables
, extract_text
,
make_thumbnails
Thomas J. Leeper <[email protected]>
# \donttest{ # simple demo file f <- system.file("examples", "data.pdf", package = "tabulizer") make_thumbnails(f)#> [1] "/tmp/RtmpT3l29B/data1.png" "/tmp/RtmpT3l29B/data2.png" #> [3] "/tmp/RtmpT3l29B/data3.png"# }