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a� Losslessly convert raster images to PDF without re-encoding PNG, JPEG, and
JPEG2000 images. This leads to a lossless conversion of PNG, JPEG and JPEG2000
images with the only added file size coming from the PDF container itself.
Other raster graphics formats are losslessly stored using the same encoding
that PNG uses. Since PDF does not support images with transparency and since
img2pdf aims to never be lossy, input images with an alpha channel are not
supported.
The output is sent to standard output so that it can be redirected into a file
or to another program as part of a shell pipe. To directly write the output
into a file, use the -o or --output option.
Options:
a Colorspace:
Currently, the colorspace must be forced for JPEG 2000 images that are not in
the RGB colorspace. Available colorspace options are based on Python Imaging
Library (PIL) short handles.
RGB RGB color
L Grayscale
1 Black and white (internally converted to grayscale)
CMYK CMYK color
CMYK;I CMYK color with inversion (for CMYK JPEG files from Adobe)
Paper sizes:
You can specify the short hand paper size names shown in the first column in
the table below as arguments to the --pagesize and --imgsize options. The
width and height they are mapping to is shown in the second column. Giving
the value in the second column has the same effect as giving the short hand
in the first column. Appending ^T (a caret/circumflex followed by the letter
T) turns the paper size from portrait into landscape. The postfix thus
symbolizes the transpose. The values are case insensitive.
%s
Fit options:
The img2pdf options for the --fit argument are shown in the first column in
the table below. The function of these options can be mapped to the geometry
operators of imagemagick. For users who are familiar with imagemagick, the
corresponding operator is shown in the second column. The third column shows
whether or not the aspect ratio is preserved for that option (same as in
imagemagick). Just like imagemagick, img2pdf tries hard to preserve the
aspect ratio, so if the --fit argument is not given, then the default is
"into" which corresponds to the absence of any operator in imagemagick.
The value of the --fit option is case insensitive.
into | | Y | The default. Width and height values specify maximum
| | | values.
---------+---+---+----------------------------------------------------------
fill | ^ | Y | Width and height values specify the minimum values.
---------+---+---+----------------------------------------------------------
exact | ! | N | Width and height emphatically given.
---------+---+---+----------------------------------------------------------
shrink | > | Y | Shrinks an image with dimensions larger than the given
| | | ones (and otherwise behaves like "into").
---------+---+---+----------------------------------------------------------
enlarge | < | Y | Enlarges an image with dimensions smaller than the given
| | | ones (and otherwise behaves like "into").
Argument parsing:
Argument long options can be abbreviated to a prefix if the abbreviation is
unambiguous. That is, the prefix must match a unique option.
Beware of your shell interpreting argument values as special characters (like
the semicolon in the CMYK;I colorspace option). If in doubt, put the argument
values in single quotes.
If you want an argument value to start with one or more minus characters, you
must use the long option name and join them with an equal sign like so:
$ img2pdf --author=--test--
If your input file name starts with one or more minus characters, either
separate the input files from the other arguments by two minus signs:
$ img2pdf -- --my-file-starts-with-two-minuses.jpg
Or be more explicit about its relative path by prepending a ./:
$ img2pdf ./--my-file-starts-with-two-minuses.jpg
The order of non-positional arguments (all arguments other than the input
images) does not matter.
Examples:
Lines starting with a dollar sign denote commands you can enter into your
terminal. The dollar sign signifies your command prompt. It is not part of
the command you type.
Convert two scans in JPEG format to a PDF document.
$ img2pdf --output out.pdf page1.jpg page2.jpg
Convert a directory of JPEG images into a PDF with printable A4 pages in
landscape mode. On each page, the photo takes the maximum amount of space
while preserving its aspect ratio and a print border of 2 cm on the top and
bottom and 2.5 cm on the left and right hand side.
$ img2pdf --output out.pdf --pagesize A4^T --border 2cm:2.5cm *.jpg
On each A4 page, fit images into a 10 cm times 15 cm rectangle but keep the
original image size if the image is smaller than that.
$ img2pdf --output out.pdf -S A4 --imgsize 10cmx15cm --fit shrink *.jpg
Prepare a directory of photos to be printed borderless on photo paper with a
3:2 aspect ratio and rotate each page so that its orientation is the same as
the input image.
$ img2pdf --output out.pdf --pagesize 15cmx10cm --auto-orient *.jpg
Encode a grayscale JPEG2000 image. The colorspace has to be forced as img2pdf
cannot read it from the JPEG2000 file automatically.
$ img2pdf --output out.pdf --colorspace L input.jp2
Written by Johannes 'josch' Schauer <josch@mister-muffin.de>
Report bugs at https://gitlab.mister-muffin.de/josch/img2pdf/issues
)Zformatter_class� descriptionZepilogr@ Zinfile�*a� Specifies the input file(s) in any format that can be read by the Python Imaging Library (PIL). If no input images are given, then a single image is read from standard input. The special filename "-" can be used once to read an image from standard input. To read a file in the current directory with the filename "-", pass it to img2pdf by explicitly stating its relative path like "./-".)�metavarr. �nargs�helpz-vz --verbose�
store_truezOMakes the program operate in verbose mode, printing messages on standard error.)�actionr� z-Vz --versionr_ z %(prog)s z%Prints version information and exits.)r� r_ r� zGeneral output argumentsz(Arguments controlling the output format.)r� r~ z-oz--output�out�wbrf z>Makes the program output to a file instead of standard output.)r� r. r r� z-Cz --colorspacer� a�
Forces the PIL colorspace. See the epilogue for a list of possible values.
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property. This is useful for JPEG 2000 images with a different colorspace than
RGB.)r� r. r� z-Dz--nodatez�Suppresses timestamps in the output and thus makes the output deterministic between individual runs. You can also manually set a date using the --moddate and --creationdate options.z--without-pdfrwa� By default, img2pdf uses the pdfrw library to create the output PDF if pdfrw is available. If you want to use the internal PDF generator of img2pdf even if pdfrw is present, then pass this option. This can be useful if you want to have unicode metadata values which pdfrw does not yet support (See https://github.com/pmaupin/pdfrw/issues/39) or if you want the PDF code to be more human readable.z--first-frame-onlyz�By default, img2pdf will convert multi-frame images like multi-page TIFF or animated GIF images to one page per frame. This option will only let the first frame of every multi-frame input image be converted into a page in the resulting PDF.z--pillow-limit-breaka3 img2pdf uses the Python Imaging Library Pillow to read input images. Pillow limits the maximum input image size to %d pixels to prevent decompression bomb denial of service attacks. If your input image contains more pixels than that, use this option to disable this safety measure during this run of img2pdfz(Image and page size and layout argumentsa�
Every input image will be placed on its own page. The image size is controlled
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Thus, there will be no visible border between the image and the page border by
default. If image size and page size are made different from each other by the
options in this section, the image will always be centered in both dimensions.
The image size and page size can be explicitly set using the --imgsize and
--pagesize options, respectively. If either dimension of the image size is
specified but the same dimension of the page size is not, then the latter will
be derived from the former using an optional minimal distance between the image
and the page border (given by the --border option) and/or a certain fitting
strategy (given by the --fit option). The converse happens if a dimension of
the page size is set but the same dimension of the image size is not.
Any length value in below options is represented by the meta variable L which
is a floating point value with an optional unit appended (without a space
between them). The default unit is pt (1/72 inch, the PDF unit) and other
allowed units are cm (centimeter), mm (millimeter), and in (inch).
Any size argument of the format LxL in the options below specifies the width
and height of a rectangle where the first L represents the width and the second
L represents the height with an optional unit following each value as described
above. Either width or height may be omitted. If the height is omitted, the
separating x can be omitted as well. Omitting the width requires to prefix the
height with the separating x. The missing dimension will be chosen so to not
change the image aspect ratio. Instead of giving the width and height
explicitly, you may also specify some (case-insensitive) common page sizes such
as letter and A4. See the epilogue at the bottom for a complete list of the
valid sizes.
The --fit option scales to fit the image into a rectangle that is either
derived from the --imgsize option or otherwise from the --pagesize option.
If the --border option is given in addition to the --imgsize option while the
--pagesize option is not given, then the page size will be calculated from the
image size, respecting the border setting. If the --border option is given in
addition to the --pagesize option while the --imgsize option is not given, then
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setting. If the --border option is given while both the --pagesize and
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as an argument, separated by a colon. One value specifies the minimal border on
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If --imgsize is given, fits the image using these dimensions. Otherwise, fit
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If both dimensions of the page are given via --pagesize, conditionally swaps
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values set via the --border option.
zArguments setting metadatazCOptions handling embedded timestamps, title and author information.z--titler� z Sets the title metadata valuez--authorr� z Sets the author metadata valuez --creatorr� z Sets the creator metadata valuez
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