Letterbox
A tiny Go program to batch-process letter-boxing of photographs.
Installation
From gobinaries.com:
$ curl -sf https://gobinaries.com/tj/letterbox/cmd/letterbox | shFrom source:
$ go get github.com/tj/letterbox/cmd/letterbox
Usage
Usage of letterbox:
-aspect string
Output aspect ratio (default "16:9")
-concurrency int
Concurrency of image processing (default 8)
-force
Force image reprocess when it exists
-output string
Image output directory (default "processed")
-padding int
Output image padding in percentage
-quality int
Output jpeg quality (default 90)
-white
Output a white letterbox
Examples
Example of 1:1
$ letterbox -aspect 1:1
Example of 4:3
$ letterbox -aspect 4:3
Example of 16:9 (the default)
$ letterbox -aspect 16:9
Example of explicitly listing images:
$ letterbox DSCF6719.jpg DSCF6718.jpg
Example of 1:1 with a white background and 6% padding:
$ letterbox -white -aspect 1:1 -padding 6
Sponsors
This project is sponsored by my GitHub sponsors:
