diff --git a/src/components/structures/BackdropPanel.tsx b/src/components/structures/BackdropPanel.tsx index 5f94692fc7..de20705436 100644 --- a/src/components/structures/BackdropPanel.tsx +++ b/src/components/structures/BackdropPanel.tsx @@ -31,9 +31,6 @@ interface IState { } export default class BackdropPanel extends React.PureComponent { - private leftLeftPanelRef = createRef(); - private leftPanelRef = createRef(); - private sizes = { leftLeftPanelWidth: 0, leftPanelWidth: 0, @@ -76,36 +73,22 @@ export default class BackdropPanel extends React.PureComponent { }; private refreshBackdropImage = (): void => { - const leftLeftPanelContext = this.leftLeftPanelRef.current.getContext("2d"); - const leftPanelContext = this.leftPanelRef.current.getContext("2d"); - const { leftLeftPanelWidth, leftPanelWidth, height } = this.sizes; - const width = leftLeftPanelWidth + leftPanelWidth; + const leftLeftPanelCanvas = document.createElement('canvas'); + const leftPanelCanvas = document.createElement('canvas'); + const leftLeftPanelContext = leftLeftPanelCanvas.getContext("2d"); + const leftPanelContext = leftPanelCanvas.getContext("2d"); + const { leftLeftPanelWidth, height } = this.sizes; const { backgroundImage } = this.props; const imageWidth = (backgroundImage as ImageBitmap).width; const imageHeight = (backgroundImage as ImageBitmap).height; - - const contentRatio = imageWidth / imageHeight; - const containerRatio = width / height; - let resultHeight; - let resultWidth; - if (contentRatio > containerRatio) { - resultHeight = height; - resultWidth = height * contentRatio; - } else { - resultWidth = width; - resultHeight = width / contentRatio; - } - // This value has been chosen to be as close with rendering as the css-only // backdrop-filter: blur effect was, mostly takes effect for vertical pictures. - const x = width * 0.1; - const y = (height - resultHeight) / 2; - this.leftLeftPanelRef.current.width = leftLeftPanelWidth; - this.leftLeftPanelRef.current.height = height; - this.leftPanelRef.current.width = (window.screen.width * 0.5); - this.leftPanelRef.current.height = height; + leftLeftPanelCanvas.width = leftLeftPanelWidth; + leftLeftPanelCanvas.height = height; + leftPanelCanvas.width = window.screen.width * 0.5; + leftPanelCanvas.height = height; const spacesBlur = this.style.getPropertyValue('--llp-background-blur'); const roomListBlur = this.style.getPropertyValue('--lp-background-blur'); @@ -116,23 +99,23 @@ export default class BackdropPanel extends React.PureComponent { backgroundImage, 0, 0, imageWidth, imageHeight, - x, - y, - resultWidth, - resultHeight, + 0, + 0, + leftLeftPanelWidth, + window.screen.height, ); leftPanelContext.drawImage( backgroundImage, 0, 0, imageWidth, imageHeight, - x - leftLeftPanelWidth, - y, - resultWidth, - resultHeight, + 0, + 0, + window.screen.width * 0.5, + window.screen.height, ); this.setState({ - lpImage: this.leftPanelRef.current.toDataURL('image/jpeg', 1), - llpImage: this.leftLeftPanelRef.current.toDataURL('image/jpeg', 1), + lpImage: leftPanelCanvas.toDataURL('image/jpeg', 1), + llpImage: leftLeftPanelCanvas.toDataURL('image/jpeg', 1), }); }; @@ -147,20 +130,6 @@ export default class BackdropPanel extends React.PureComponent { { this.state?.lpImage !== 'data:,' && } - - ; } }