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richarddprasad/canvas003.tsx

Created March 26, 2020 16:44
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canvas003.tsx
React.useEffect(() => {
if (canvasRef.current) {
const renderCtx = canvasRef.current.getContext('2d');
if (renderCtx) {
setContext(renderCtx);
}
}
// Draw a rectangle
if (context) context.fillRect(5, 5, 100, 100);
}, [context]);
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