opaque
Browserify module for detecting if an image or canvas element has transparent pixels.
Installation
Using NPM and Browserify:
npm install opaque
As a component:
component install hughsk/opaque
Usage
opaque(element)
Returns false
if transparent, or true
if not.
opaque.transparent(element)
The opposite of opaque
: true
if transparent, false
if not.
var opaque =transparent = transparentvar brick =bricksrc = '/brick.png'brick {// true// false};var glass =glasssrc = '/glass.png'glass {// false// true};
Note that an image must be fully loaded before being checked.