43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
/*
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Copyright 2021 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React, { CSSProperties } from "react";
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interface IProps {
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backgroundImage?: string;
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blurMultiplier?: number;
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}
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export const BackdropPanel: React.FC<IProps> = ({ backgroundImage, blurMultiplier }) => {
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if (!backgroundImage) return null;
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const styles: CSSProperties = {};
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if (blurMultiplier) {
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const rootStyle = getComputedStyle(document.documentElement);
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const blurValue = rootStyle.getPropertyValue("--lp-background-blur");
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const pixelsValue = blurValue.replace("px", "");
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const parsed = parseInt(pixelsValue, 10);
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if (!isNaN(parsed)) {
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styles.filter = `blur(${parsed * blurMultiplier}px)`;
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}
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}
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return (
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<div className="mx_BackdropPanel">
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<img role="presentation" alt="" style={styles} className="mx_BackdropPanel--image" src={backgroundImage} />
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</div>
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);
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};
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export default BackdropPanel;
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