grunt-image-pixel-changer
v0.1.1
Published
Crawl all image pixels and convert specified rgba value to another value.
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grunt-image-pixel-changer
Crawl all image pixels and convert specified rgba value to another value.
Getting Started
This plugin requires Grunt ~0.4.1
If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:
npm install grunt-image-pixel-changer --save-dev
Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:
grunt.loadNpmTasks('grunt-image-pixel-changer');
The "image_pixel_changer" task
Overview
In your project's Gruntfile, add a section named image_pixel_changer
to the data object passed into grunt.initConfig()
.
grunt.initConfig({
image_pixel_changer: {
options: {
// Task-specific options go here.
},
your_target: {
// Target-specific file lists and/or options go here.
},
},
});
Options
Refer to examples below, original pixel with RGBA(r1, g1, b1, a1) format will convert to RGBA(r2, g2, b2, a2). Any omitted option assumes any value is matched.
grunt.initConfig({
image_pixel_changer: {
// each pixel equal to RGBA(10, 20, 30, 40) will convert to RGBA(50, 60, 70, 80)
task1: {
options: [
r1: 10,
g1: 20,
b1: 30,
a1: 40,
r2: 50,
g2: 60,
b2: 70,
a2: 80
],
files: {
'dest1': 'src1'
}
},
// each pixel equal to RGBA(10, any1, any2, any3) will convert to RGBA(100, 200, no_change, no_change)
task2: {
options: [
r1: 10,
r2: 100
g2: 200
],
files: [
{
expand: true,
cwd: '...',
src: '...',
dest: '...',
ext: '...'
}
]
}
},
});
Contributing
In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.
Release History
(Nothing yet)