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Typecasting Float to Integer and back to avoid floating point precision errors (#423)

Browse source 
https://stackoverflow.com/questions/3439040/why-does-adding-two-decimals-in-javascript-produce-a-wrong-result

https://stackoverflow.com/questions/1458633/how-to-deal-with-floating-point-number-precision-in-javascript

Co-authored-by: xrimpy <=>
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Manmeet 2021-07-27 21:56:31 +05:30 committed by GitHub
parent cc4f97ca88
commit d35b2032bc
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1 changed files with 6 additions and 6 deletions
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6
frontend/src/Editor/Editor.jsx
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@ -535,7 +535,7 @@ class Editor extends React.Component {
<div className="canvas-buttons"> <div className="canvas-buttons">
<button <button
className="btn btn-light mx-2" className="btn btn-light mx-2"
onClick={() => this.setState({ zoomLevel: zoomLevel - 0.1 })} onClick={() => this.setState({ zoomLevel: ((Math.round(zoomLevel*10) - 1)/10).toFixed(1) }) }
disabled={zoomLevel <= 0.6} disabled={zoomLevel <= 0.6}
role="button" role="button"
> >
@ -544,8 +544,8 @@ class Editor extends React.Component {
<small>{zoomLevel * 100}%</small> <small>{zoomLevel * 100}%</small>
<button <button
className="btn btn-light mx-2" className="btn btn-light mx-2"
onClick={() => this.setState({ zoomLevel: zoomLevel + 0.1 })} onClick={() => this.setState({ zoomLevel: ((Math.round(zoomLevel*10) + 1)/10).toFixed(1) }) }
disabled={zoomLevel === 1} disabled={zoomLevel >= 1.0}
role="button" role="button"
> >
<img src="/assets/images/icons/zoom-in.svg" width="12" height="12" /> <img src="/assets/images/icons/zoom-in.svg" width="12" height="12" />