Manual: gtk4-path-tool

gtk4-path-tool(1) GTK commands gtk4-path-tool(1)

Name
gtk4-path-tool - GskPath Utility

SYNOPSIS
gtk4-path-tool [OPTIONS...]

gtk4-path-tool decompose [OPTIONS...]
gtk4-path-tool show [OPTIONS...] ...
gtk4-path-tool render [OPTIONS...] ...
gtk4-path-tool reverse [OPTIONS...]
gtk4-path-tool info [OPTIONS...]

DESCRIPTION
gtk4-path-tool can perform various tasks on paths. Paths are specified in SVG syntax, as strings like "M 100 100 C
100 200 200 200 200 100 Z".

To read a path from a file, use a filename that starts with a '.' or a '/'. To read a path from stdin, use '-'.

COMMANDS
Decomposing
The decompose command approximates the path by one with simpler elements. When used without options, the curves of
the path are approximated by line segments.

--allow-quad
Allow quadratic Bézier curves to be used in the generated path.

--allow-cubic
Allow cubic Bézier curves to be used in the generated path.

--allow-conic
Allow conic Bézier curves to be used in the generated path.

Showing
The show command displays the given path in a window. The interior of the path is filled. The window allows some in‐
teractive control with key bindings: '+'/'-' change the zoom level, 'p' toggles display of points, 'c' toggles dis‐
play of controls, 'i' toggles display of intersections and 'f' changes the fill rule.

--fill
Fill the path (this is the default).

--stroke
Stroke the path instead of filling it.

--points
Show points on the path.

--controls
Show control points.

--intersections
If two paths are given, show their intersections. If one path is given, show its self-intersections.

--fill-rule=VALUE
The fill rule that is used to determine what areas are inside the path. The possible values are winding or
even-odd. The default is winding.

--fg-color=COLOR
The color that is used to fill the interior of the path or stroke the path. If not specified, black is used.

--bg-color=COLOR
The color that is used to render the background behind the path. If not specified, white is used.

--point-color=COLOR
The color that is used to render the points. If not specified, red is used.

--intersection-color=COLOR
The color that is used to render intersections. If not specified, green is used.

--line-width=VALUE
The line width to use for the stroke. VALUE must be a positive number. The default line width is 1.

--line-cap=VALUE
The cap style to use at line ends. The possible values are butt, round or square. See the SVG specification for
details on these styles. The default cap style is butt.

--line-join=VALUE
The join style to use at line joins. The possible values are miter, miter-clip, round, bevel or arcs. See the SVG
specification for details on these styles. The default join style is miter.

--miter-limit=VALUE
The limit at which to clip miters at line joins. The default value is 4.

--dashes=VALUE
The dash pattern to use for this stroke. A dash pattern is specified by a comma-separated list of alternating
non-negative numbers. Each number provides the length of alternate "on" and "off" portions of the stroke. If the
dash pattern is empty, dashing is disabled, which is the default. See the SVG specification for details on dash‐
ing.

--dash-offset=VALUE
The offset into the dash pattern where dashing should begin. The default value is 0.

--zoom=NUMBER
Set the zoom level to the given number (between 1 and 20).

Rendering
The render command renders the given path as a PNG image.