23 lines
728 B
JavaScript
23 lines
728 B
JavaScript
const getImageSize = require('image-size');
|
|
const { svg, xlink } = require('../../namespaces');
|
|
|
|
/**
|
|
* TODO rasterToSVG#getPixelRatioFromFilename
|
|
* @param {Buffer} buffer
|
|
* @return {string}
|
|
*/
|
|
function rasterToSVG(buffer) {
|
|
const info = getImageSize(buffer);
|
|
const { width, height, type } = info;
|
|
const defaultNS = `${svg.name}="${svg.uri}"`;
|
|
const xlinkNS = `${xlink.name}="${xlink.uri}"`;
|
|
const data = `data:image/${type};base64,${buffer.toString('base64')}`;
|
|
|
|
return [
|
|
`<svg ${defaultNS} ${xlinkNS} width="${width}" height="${height}" viewBox="0 0 ${width} ${height}">`,
|
|
`<image xlink:href="${data}" width="${width}" height="${height}" />`,
|
|
'</svg>'
|
|
].join('');
|
|
}
|
|
|
|
module.exports = rasterToSVG;
|