Question

18

how can I change color of an svg img in base64 format?

rated 0 times [ 24] [ 6] / answers: 1 / hits: 19837 / 10 Years ago, fri, december 12, 2014, 12:00:00

I have an Svg img with in a base64 format and trying to change the color of it. Does anyone have any pointers of how to do this? I found something about the <path> element, but do to the fact that the svg img is in a base64 string I'm not sure of how to use it. Can anyone help me or point me in the right direction?

<img src=data:image/svg+xml;base64,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>

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3 Years ago

answered 10 Years ago kylanalis · Accepted Answer

As you do not clarified if can't modify the original file or if must do it on client-side, I propose a

Programmatically approach:

Lookup the <img>

From img.src strip data:image..., to extract Base64 encoded SVG.

Decode it using atob

Create an element, just for find the <path>

Set fill on path.

Append the new Image or Replace current one.

Example:

// Lookup the <img> by Id

var img = document.getElementById(target);



// Strip data:image/svg+xml;base64, to get encoded SVG

var encoded = img.src.substring(26);



// Decode base64

var decoded = atob(encoded);



// Create an HTML element from decoded SVG

var wrapper = document.createElement('div');

wrapper.innerHTML = decoded;

var newSvg = wrapper.firstChild;



// Lookup the <path> and get a ref

var innerPath = newSvg.getElementsByTagName('path')[0];



// Set up new color

innerPath.setAttribute(fill, #FF0000);



// Show modified image

document.body.appendChild(newSvg);

<img id=target src=data:image/svg+xml;base64,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>

Note:

There are some restrictions on IE < 10

Can I use atob?

EDIT: Muplipath Approach

var paths = newSvg.getElementsByTagName('path');

[].forEach.call(paths, function(path) {

    path.setAttribute(fill, #FF0000);

});