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February 28, 2020 21:30
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svg element scales arround its center
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| $img = document.querySelector('image:nth-of-type(2)') | |
| $svg = document.querySelector('svg') | |
| k = 2.5 | |
| bb = $img.getBBox() | |
| x = bb.x + bb.width/2 | |
| x *= (1-k) | |
| y = bb.y + bb.height/2 | |
| y *= (1-k) | |
| tsf = $svg.createSVGTransform() | |
| tsf.setScale(k,k) | |
| trans = $svg.createSVGTransform() | |
| trans.setTranslate(x, y) | |
| lst = $img.transform.baseVal | |
| lst.appendItem(trans) | |
| lst.appendItem(tsf) | |
| lst.consolidate() |
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