SVG to image for display and download — and truly wishing IE R.I.P. | by Stephen Cow Chau | Medium
Canvasで画像をダウンロードしたい|yusaku|note
How to render a SVG string/file onto a canvas and export it to PNG or JPEG with a custom resolution (preserving quality) in JavaScript | Our Code World
Setting the background color when generating images from Canvas.toDataURL
GitHub - sampumon/SVG.toDataURL: Gives your SVG elements the missing toDataURL function (same as Canvas has)
JavaScriptでSVGをPNGに変換する方法【動画版あり】
javascript - SVG Image not converted properly to Canvas using canvg - Stack Overflow