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Merge pull request #8537 from Tainan404/issue-8439

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Workaround to CTM request in svg out of the screen
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Anton Georgiev 2020-01-24 14:46:16 -05:00 committed by GitHub
commit b5bcedf927
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bigbluebutton-html5/imports/ui/components/whiteboard/whiteboard-overlay/component.jsx
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@ -10,6 +10,7 @@ export default class WhiteboardOverlay extends Component {
// accepts and returns a point of type SvgPoint and an svg object
static coordinateTransform(screenPoint, someSvgObject) {
const CTM = someSvgObject.getScreenCTM();
if (!CTM) return {};
return screenPoint.matrixTransform(CTM.inverse());
}