img2pdf: improve page description and placeholders (#12245)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
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Vitor Henrique 2024-02-14 17:24:02 -03:00 committed by GitHub
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# img2pdf # img2pdf
> Command-line lossless converter of raster images to PDF. > Losslessly convert raster images to a PDF file.
> Some supported image formats are: GIF, JPEG, JPEG2000, PNG, GIF and TIFF.
> More information: <https://gitlab.mister-muffin.de/josch/img2pdf>. > More information: <https://gitlab.mister-muffin.de/josch/img2pdf>.
- Convert one or more images to a single PDF, each image being on its own page: - Convert one or more images to a single PDF, each image being on its own page:
`img2pdf {{path/to/image1.jpg path/to/image2.jpg ...}} --output {{path/to/file.pdf}}` `img2pdf {{path/to/image1.ext path/to/image2.ext ...}} --output {{path/to/file.pdf}}`
- Convert only the first frame of a multi-frame image to PDF: - Convert only the first frame of a multi-frame image to PDF:
`img2pdf {{path/to/file.gif}} --first-frame-only --output {{path/to/file.pdf}}` `img2pdf {{path/to/file.gif}} --first-frame-only --output {{path/to/file.pdf}}`
- Auto orient the image, use a page size of A4 in landscape mode, and set a border of 2cm horizontally and 5.1cm vertically: - Auto orient the image, use a specific page size in landscape mode, and set a border of specific sizes horizontally and vertically:
`img2pdf {{path/to/file.jpg}} --auto-orient --pagesize {{A4^T}} --border {{2cm}}:{{5.1cm}} --output {{path/to/file.pdf}}` `img2pdf {{path/to/image.ext}} --auto-orient --pagesize {{A4^T}} --border {{2cm}}:{{5.1cm}} --output {{path/to/file.pdf}}`
- Shrink only larger images to a 10cm by 15cm rectangle inside a 30x20cm page: - Shrink only larger images to a rectangle of specified dimensions inside a page with a specific size:
`img2pdf {{path/to/file.tiff}} --pagesize {{30cm}}x{{20cm}} --imgsize {{10cm}}x{{15cm}} --fit {{shrink}} --output {{path/to/file.pdf}}` `img2pdf {{path/to/image.ext}} --pagesize {{30cm}}x{{20cm}} --imgsize {{10cm}}x{{15cm}} --fit {{shrink}} --output {{path/to/file.pdf}}`
- Convert an image to PDF, and specify metadata for the resulting file: - Convert an image to PDF, and specify metadata for the resulting file:
`img2pdf {{path/to/file.png}} --title {{title}} --author {{author}} --creationdate {{1970-01-31}} --keywords {{keyword1 keyword2}} --subject {{subject}} --output {{path/to/file.pdf}}` `img2pdf {{path/to/image.ext}} --title {{title}} --author {{author}} --creationdate {{1970-01-31}} --keywords {{keyword1 keyword2}} --subject {{subject}} --output {{path/to/file.pdf}}`