Convert a file into an image (magick image) where the pages are arranged in rows, each row can contain one to several pages.
The result can be saved as a png file.
to_miniature(
filename,
row = NULL,
width = NULL,
border_color = "#ccc",
border_geometry = "2x2",
dpi = 150,
fileout = NULL,
timeout = 120,
...
)input filename, supported documents are 'Microsoft Word', 'Microsoft PowerPoint', 'RTF' and 'PDF' document.
row index for every pages. 0 are to be used to drop the page from the final minature.
c(1, 1) is to be used to specify that a 2 pages document
is to be displayed in a single row with two columns.
c(1, 1, 2, 3, 3) is to be used to specify that a 5 pages document
is to be displayed as: first row with pages 1 and 2, second row with page 3,
third row with pages 4 and 5.
c(1, 1, 0, 2, 2) is to be used to specify that a 5 pages document
is to be displayed as: first row with pages 1 and 2,
second row with pages 4 and 5.
width of a single image, recommanded values are:
650 for docx files
750 for pptx files
border color, see image_border().
border geometry to be added around
images, see image_border().
resolution (dots per inch) to use for images, see pdf_convert().
if not NULL, result is saved in a png file whose filename is defined by this argument.
timeout in seconds that libreoffice is allowed to use in order to generate the corresponding pdf file, ignored if 0.
arguments used by webshot2 when HTML document.
a magick image object as returned by image_read().
library(locatexec)
docx_file <- system.file(
package = "doconv",
"doc-examples/example.docx"
)
if(exec_available("word"))
to_miniature(docx_file)
pptx_file <- system.file(
package = "doconv",
"doc-examples/example.pptx"
)
if(exec_available("libreoffice") && check_libreoffice_export())
to_miniature(pptx_file)
#> The following command failed: /usr/bin/soffice --version
#> with following log:
#> /usr/lib/libreoffice/program/soffice.bin: error while loading shared libraries: libreglo.so: cannot open shared object file: No such file or directory