// Script.js const calculateAspectRatio = () => { const widthInput = document.getElementById("width"); const heightInput = document.getElementById("height"); const width = parseFloat(widthInput.value); const height = parseFloat(heightInput.value); if (!isNaN(width) && !isNaN(height)) { const diagonal = Math.sqrt( width ** 2 + height ** 2 ).toFixed(2); document.getElementById("result1") .textContent = "Diagonal = " + diagonal; const x = ( width / height ).toFixed(2); document.getElementById( "result2" ).textContent = "Aspect Ratio (x:1 format) = " + x + " : 1"; const gcd = (a, b) => { while (b) { a %= b; [a, b] = [b, a]; } return a; }; const gcdValue = gcd( width, height); const w = width / gcdValue; const h = height / gcdValue; document.getElementById( "result3" ).textContent = "Aspect Ratio (w:h format) = " + w + " : " + h; // Apply aspect ratio to the preview image const imageElement = document.getElementById( "previewImage" ); imageElement.style.width = `${width}px`; imageElement.style.height = `${height}px`; } else { // Clear results and reset image on invalid input document.getElementById( "result1" ).textContent = "Diagonal: "; document.getElementById( "result2" ).textContent = "Aspect Ratio (x:1 format): "; document.getElementById( "result3" ).textContent = "Aspect Ratio (w:h format): "; const imageElement = document.getElementById( "previewImage" ); imageElement.style.width = "auto"; imageElement.style.height = "auto"; } } const setCommonRati = () => { const commonRatios = { "16:9": [1920, 1080], "5:4": [1280, 1024], "4:3": [1024, 768], "3:2": [1440, 960], "8K": [7680, 4320], "5K": [5120, 2880], "4K": [3840, 2160], Retina: [2048, 1536], iPhone6plus: [1920, 1080], iPhone6: [1334, 750], iPhone5: [1136, 640], iPad: [1024, 768], Twitter: [1024, 512], WebBanner: [728, 90], VGA: [640, 480], HVGA: [320, 480], }; const selectedRatio = document.getElementById( "commonRatios" ).value; const [width, height] = commonRatios[selectedRatio]; document.getElementById( "width" ).value = width; document.getElementById( "height" ).value = height; // Update the results and preview // for the selected common ratio calculateAspectRatio(); } // Initialize the image aspect ratio // based on the placeholder image calculateAspectRatio();