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geo-pattern-coffee

v1.2.7

Published

Generate beautiful SVG patterns

Downloads

3

Readme

GeoPattern :coffee: Coffee

Dependency Status NPM version Build Status

This is a CoffeeScript port of JavaScript port btmills/geopattern of Ruby project jasonlong/geo_pattern that is derived from the background generator originally used for GitHub Guides.

Installation & Building

npm install
make

Usage

Demo page

xdg-open docs/geo-pattern-coffee.html

Web

Include the minified script. jQuery is optional.

<script src="js/jquery.min.js"></script> <!-- optional -->
<script src="js/geo-pattern-coffee.min.js"></script>

Use either the GeoPattern browser global or the jQuery plugin:

// Use the global...
var pattern = GeoPattern.generate('GitHub');
$('#geopattern').css('background-image', pattern.toDataUrl());

// ...or the plugin
$('#geopattern').geopattern('GitHub');

For backwards compatibility with the script on the Guides, the source hash for generation can be supplied with a data-title-sha attribute on the element. If the attribute exists, the generator will ignore the input string and use the supplied hash.

View docs/geo-pattern-coffee.html for a complete example.

Node.js

npm install geopattern

After requiring geopattern, the API is identical to the browser version, minus the jQuery plugin.

var GeoPattern = require('geopattern');
var pattern = GeoPattern.generate('GitHub');
pattern.toDataUrl(); // url("data:image/svg+xml;...

API

GeoPattern.generate(string, options)

Returns a newly-generated, tiling SVG Pattern.

  • string Will be hashed using the SHA1 algorithm, and the resulting hash will be used as the seed for generation.

  • options.color Specify an exact background color. This is a CSS hexadecimal color value.

  • options.baseColor Controls the relative background color of the generated image. The color is not identical to that used in the pattern because the hue is rotated by the generator. This is a CSS hexadecimal color value, which defaults to #933c3c.

  • options.generator Determines the pattern. All of the original patterns are available in this port, and their names are camelCased.

Pattern.toString() and Pattern.toSvg()

Gets the SVG string representing the pattern.

Pattern.toBase64()

Gets the SVG as a Base64-encoded string.

Pattern.toDataUri()

Gets the pattern as a data URI, i.e. data:image/svg+xml;base64,PHN2ZyB....

Pattern.toDataUrl()

Gets the pattern as a data URL suitable for use as a CSS background-image, i.e. url("data:image/svg+xml;base64,PHN2ZyB...").

License GPL-3.0+

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.