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options.sizeMultiply, ${obj}.toString().indexOf('SVGElement') #227

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options.sizeMultiply, ${obj}.toString().indexOf('SVGElement') #227

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12 changes: 7 additions & 5 deletions src/saveSvgAsPng.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
svg: 'image/svg+xml'
};

const isElement = obj => obj instanceof HTMLElement || obj instanceof SVGElement;
const isElement = obj => obj instanceof HTMLElement || obj instanceof SVGElement || (`${obj}`.toString().indexOf('SVGElement') > -1);
const requireDomNode = el => {
if (!isElement(el)) throw new Error(`an HTMLElement or SVGElement is required; got ${el}`);
};
Expand Down Expand Up @@ -309,13 +309,15 @@
canvg
} = options || {};

const multiple = (options.sizeMultiply || 1);

const convertToPng = ({src, width, height}) => {
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
const pixelRatio = window.devicePixelRatio || 1;

canvas.width = width * pixelRatio;
canvas.height = height * pixelRatio;
const pixelRatio = (window.devicePixelRatio || 1) * multiple;
canvas.width = (width * pixelRatio);
canvas.height = (height * pixelRatio);
canvas.style.width = `${canvas.width}px`;
canvas.style.height = `${canvas.height}px`;
context.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);
Expand Down