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letterbox's Introduction

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 | sh

From 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

GoDoc

Sponsors

This project is sponsored by my GitHub sponsors:

letterbox's People

Contributors

kandros avatar neighborhood999 avatar r3vit avatar tj avatar

Stargazers

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Watchers

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Forkers

dolanor-galaxy forkkit xusenlin crazyfork r3vit erberry thebapi trendingtechnology kandros jgquinn iq-scm

letterbox's Issues

Skip if output image exists

If the output image exists and its mtime is greater than the source image, we can just skip re-creating it.

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