Created
May 5, 2015 14:00
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Convert a given path of image to data-uri
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/* | |
* Usage: $('#image').prop('src', url2uri('/200.gif') ); | |
*/ | |
function url2uri(src, width, height) { | |
var img = new Image(); | |
img.src = src; | |
width = width || 300; | |
height = height || 300; | |
// Create an empty canvas element | |
var canvas = document.createElement("canvas"); | |
canvas.width = width; | |
canvas.height = height; | |
// Copy the image contents to the canvas | |
var ctx = canvas.getContext("2d"); | |
ctx.drawImage(img, 0, 0); | |
// Get the data-URL formatted image | |
// Firefox supports PNG and JPEG. You could check img.src to | |
// guess the original format, but be aware the using "image/jpg" | |
// will re-encode the image. | |
var dataURL = canvas.toDataURL("image/png"); | |
return dataURL; | |
// return dataURL.replace(/^data:image\/(png|jpg);base64,/, ""); | |
} |
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