fast-png

WebJar for fast-png

License	MIT
GroupId	org.webjars.npm
ArtifactId	fast-png
Last Version	3.1.0
Release Date	Nov 6, 2018
Type	jar
Description	fast-png WebJar for fast-png
Project URL	http://webjars.org
Source Code Management	https://github.com/image-js/fast-png

Download fast-png

Filename	Size
fast-png-3.1.0.pom
fast-png-3.1.0.jar	14 KB
fast-png-3.1.0-sources.jar	22 bytes
fast-png-3.1.0-javadoc.jar	22 bytes

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/org.webjars.npm/fast-png/ -->
<dependency>
    <groupId>org.webjars.npm</groupId>
    <artifactId>fast-png</artifactId>
    <version>3.1.0</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/org.webjars.npm/fast-png/
implementation 'org.webjars.npm:fast-png:3.1.0'

Gradle Kotlin

// https://jarcasting.com/artifacts/org.webjars.npm/fast-png/
implementation ("org.webjars.npm:fast-png:3.1.0")

Apache Buildr

'org.webjars.npm:fast-png:jar:3.1.0'

Apache Ivy

<dependency org="org.webjars.npm" name="fast-png" rev="3.1.0">
  <artifact name="fast-png" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='org.webjars.npm', module='fast-png', version='3.1.0')
)

Scala SBT

libraryDependencies += "org.webjars.npm" % "fast-png" % "3.1.0"

Leiningen

[org.webjars.npm/fast-png "3.1.0"]

Dependencies

compile (2)

Group / Artifact	Type	Version
org.webjars.npm : iobuffer	jar	[3.2.0,4)
org.webjars.npm : pako	jar	[1.0.0,2)

Project Modules

There are no modules declared in this project.

fast-png

PNG image decoder and encoder written entirely in JavaScript.

Installation

$ npm install --save fast-png

Usage

decode(png[, options])

Arguments

• png - A TypedArray or Buffer that contains the PNG data.
• options - An object of options

Options

• checkCrc - If set to true, the CRC will be checked for each chunk and an error will be thrown in case it's wrong (default: false).

encode(image)

Arguments

• png - An object representing the image. You can pass an ImageData from the Canvas API or an object with the following properties:
  • width - The width of the image
  • height - The height of the image
  • data - An array or TypedArray with the image data
  • depth - A number indicating the color depth (only 8 and 16 are supported now). Defaults to 8.
  • channels - Number of channels, including alpha (1, 2, 3 and 4 are supported). Defaults to 4.

PNG standard

Spec can be found at: https://www.w3.org/TR/PNG/

License

MIT

Versions

Version
3.1.0 Nov 6, 2018