23 lines
1.5 KiB
JavaScript
23 lines
1.5 KiB
JavaScript
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/**
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* A shared function, used on both client and server, to generate a SVG blur placeholder.
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*/ "use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "getImageBlurSvg", {
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enumerable: true,
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get: function() {
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return getImageBlurSvg;
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}
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});
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function getImageBlurSvg(param) {
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let { widthInt, heightInt, blurWidth, blurHeight, blurDataURL, objectFit } = param;
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const std = 20;
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const svgWidth = blurWidth ? blurWidth * 40 : widthInt;
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const svgHeight = blurHeight ? blurHeight * 40 : heightInt;
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const viewBox = svgWidth && svgHeight ? "viewBox='0 0 " + svgWidth + " " + svgHeight + "'" : "";
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const preserveAspectRatio = viewBox ? "none" : objectFit === "contain" ? "xMidYMid" : objectFit === "cover" ? "xMidYMid slice" : "none";
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return "%3Csvg xmlns='http://www.w3.org/2000/svg' " + viewBox + "%3E%3Cfilter id='b' color-interpolation-filters='sRGB'%3E%3CfeGaussianBlur stdDeviation='" + std + "'/%3E%3CfeColorMatrix values='1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 100 -1' result='s'/%3E%3CfeFlood x='0' y='0' width='100%25' height='100%25'/%3E%3CfeComposite operator='out' in='s'/%3E%3CfeComposite in2='SourceGraphic'/%3E%3CfeGaussianBlur stdDeviation='" + std + "'/%3E%3C/filter%3E%3Cimage width='100%25' height='100%25' x='0' y='0' preserveAspectRatio='" + preserveAspectRatio + "' style='filter: url(%23b);' href='" + blurDataURL + "'/%3E%3C/svg%3E";
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}
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//# sourceMappingURL=image-blur-svg.js.map
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