Function rgbToHex

pptx/scripts/html2pptx.js:263–270

(rgbStr)

    const pxToInch = (px) => px / PX_PER_IN;
    const pxToPoints = (pxStr) => parseFloat(pxStr) * PT_PER_PX;
    const rgbToHex = (rgbStr) => {
      // Handle transparent backgrounds by defaulting to white
      if (rgbStr === 'rgba(0, 0, 0, 0)' || rgbStr === 'transparent') return 'FFFFFF';

      const match = rgbStr.match(/rgba?\((\d+),\s*(\d+),\s*(\d+)/);
      if (!match) return 'FFFFFF';
      return match.slice(1).map(n => parseInt(n).toString(16).padStart(2, '0')).join('');
    };

    const extractAlpha = (rgbStr) => {
      const match = rgbStr.match(/rgba\((\d+),\s*(\d+),\s*(\d+),\s*([\d.]+)\)/);