@antv/x6/es/registry/filter/contrast.js

JavaScript diagramming library that uses SVG and HTML for rendering

import { getNumber } from './util';
export function contrast(args = {}) {
    const amount = getNumber(args.amount, 1);
    const amount2 = 0.5 - amount / 2;
    return `
    <filter>
     <feComponentTransfer>
        <feFuncR type="linear" slope="${amount}" intercept="${amount2}"/>
        <feFuncG type="linear" slope="${amount}" intercept="${amount2}"/>
        <feFuncB type="linear" slope="${amount}" intercept="${amount2}"/>
      </feComponentTransfer>
    </filter>
  `.trim();
}
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