NAME

vips - run vips operations from the command line

SYNOPSIS

vips [options] [command] [command-options] [command-args]

DESCRIPTION

vips(1) is the VIPS universal main program. You can use it to run any VIPS operation from the command line, to query the VIPS class hierarchy, and to maintain parts of the VIPS library.

To run a VIPS operation, the first argument should be the name of the operation and following arguments should be the operation arguments. For example:

$ vips invert lena.v lena2.v

OPTIONS

-l BASE-NAME, --list=BASE-NAME

List operations below BASE-NAME. This prints a one-line summary of every operation in vips below the class BASE-NAME, where BASE-NAME may be a full vips class name, or a nickname.

If BASE-NAME is not supplied, this will list all classes below VipsOperation.

-p PLUGIN, --plugin=PLUGIN

Load PLUGIN. Note that plugins in $VIPSHOME/lib/vips-plugins-MAJOR.MINOR are loaded automatically.

-v, --version

Show VIPS version.

-c NAME, --completion NAME

Print completions for NAME

COMMANDS

operation-name operation-arguments

Execute a named operation, for example add.

EXAMPLES

Run a vips operation. Operation options must follow the operation name.

$ vips insert lena.v lena2.v out.v 0 0 --background "128 0 0"

Get a "usage" message for an operation.

$ vips insert
insert image @sub into @main at @x, @y
usage:
insert main sub out x y
where:
main - Main input image, input VipsImage
sub - Sub-image to insert into main image, input VipsImage
out - Output image, output VipsImage
x - Left edge of sub in main, input gint default: 0 min: -100000000, max: 100000000
y - Top edge of sub in main, input gint default: 0 min: -100000000, max: 100000000
optional arguments:
expand - Expand output to hold all of both inputs, input gboolean default: false
background - Colour for new pixels, input VipsArrayDouble
operation flags: sequential

List all draw operations.

$ vips -l draw
VipsDraw (draw), draw operations
VipsDrawink (drawink), draw with ink operations
VipsDrawRect (draw_rect), paint a rectangle on an image
VipsDrawMask (draw_mask), draw a mask on an image
VipsDrawLine (draw_line), draw a line on an image
VipsDrawCircle (draw_circle), draw a circle on an image
VipsDrawFlood (draw_flood), flood-fill an area
VipsDrawImage (draw_image), paint an image into another image
VipsDrawSmudge (draw_smudge), blur a rectangle on an image

RETURN VALUE

returns 0 on success and non-zero on error.

SEE ALSO

vipsheader(1)

COPYRIGHT

The National Gallery and Birkbeck College, 1989-1996.