tldraw/components/canvas/defs.tsx
2021-07-09 20:43:18 +01:00

43 lines
859 B
TypeScript

import React from 'react'
import { useSelector } from 'state'
import tld from 'utils/tld'
import { DotCircle, Handle } from './misc'
import styled from 'styles'
export default function Defs(): JSX.Element {
return (
<defs>
<DotCircle id="dot" r={4} />
<Handle id="handle" r={4} />
<ExpandDef />
<HoverDef />
</defs>
)
}
function ExpandDef() {
const zoom = useSelector((s) => tld.getCurrentCamera(s.data).zoom)
return (
<filter id="expand">
<feMorphology operator="dilate" radius={0.5 / zoom} />
</filter>
)
}
function HoverDef() {
return (
<filter id="hover">
<StyledShadow
dx="2"
dy="2"
stdDeviation="0.5"
floodOpacity="1"
floodColor="blue"
/>
</filter>
)
}
const StyledShadow = styled('feDropShadow', {
floodColor: '$selected',
})