Function getEmbeddedSVGFilterValue

src/generators/svg-filter.ts:23–33

(matrixValue: string)

}

function getEmbeddedSVGFilterValue(matrixValue: string): string {
    const id = 'dark-reader-filter';
    const svg = [
        '<svg xmlns="http://www.w3.org/2000/svg">',
        `<filter id="${id}" style="color-interpolation-filters: sRGB;">`,
        `<feColorMatrix type="matrix" values="${matrixValue}" />`,
        '</filter>',
        '</svg>',
    ].join('');
    return `url(data:image/svg+xml;base64,${btoa(svg)}#${id})`;
}

function toSVGMatrix(matrix: number[][]): string {
    return matrix.slice(0, 4).map((m) => m.map((m) => m.toFixed(3)).join(' ')).join(' ');