png_util

0.1.01 version
  • 0.1.0latestMay 26, 2021

github.com/matthewmcgarvey/png_util

PNG Image Resizing

3 stars
0 dependents
License: MIT

Installation

# Add this to your shard.yml
dependencies:
  png_util:
    github: matthewmcgarvey/png_util
    version: ~> 0.1.0

Then run:

shards install

shard.yml

Crystal
>= 0.35.1
License
MIT
Author
Matthew McGarvey

Dependencies

Development Dependencies

  • ameba~> 0.13.0github: crystal-ameba/amebadev

README

PNGUtil

This project was built from stumpy_png and stumpy_core. Many thanks to @l3kn for all the work you did!

Usage

Install the png_util shard

  1. shards init
  2. Add the dependency to the shard.yml file
...
dependencies:
  png_util:
    github: matthewmcgarvey/png_util
...
  1. shards install

Resize Image

require "png_util"

canvas = PNGUtil.read("foo.png")
canvas.resize(120, 120)
PNGUtil.write(canvas, "resized-foo.png")

Troubleshooting

If you run into errors like

/usr/bin/ld: cannot find -lz
collect2: error: ld returned 1 exit status

make sure zlib is installed (Installing zlib under ubuntu).

Documentation

Read the API docs

Built from the current release. The first visit to a release nobody has asked for starts its build.

Links

This release

Version
0.1.0
Tagged
May 26, 2021
Commit
a85adb643ae2
Crystal
>= 0.35.1
Indexed
yes

Dependents

No indexed shard depends on this one yet.

Repository

github.com/matthewmcgarvey/png_util

Metadata

Created
Aug 12, 2026
Updated
Aug 13, 2026
Synced
Aug 13, 2026
Versions
1