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Only detect dpi on load

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This commit is contained in:
Reece 2025-07-03 20:56:20 +01:00
parent d895ff5746
commit 7a8eeb59e3
1 changed files with 7 additions and 4 deletions
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11
stirling-pdf/src/main/resources/templates/fragments/common.html
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@ -24,7 +24,11 @@
<script>
window.stirlingPDF = window.stirlingPDF || {};
const systemDPR = Math.round(window.devicePixelRatio) || 1;
// Capture true system DPI at page load (before any zoom interactions)
const systemDPR = window.devicePixelRatio || 1;
// Determine if this is actually a high DPI screen at page load
const isHighDPI = systemDPR > 1.4;
function scaleNav() {
const currentDPR = window.devicePixelRatio || 1;
@ -32,9 +36,8 @@
// Counter-scale to maintain same visual size
const isMobile = window.innerWidth <= 768 || /Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
const isHighDPI = currentDPR > 1.4;
let baseScale = isMobile ? 3 : 1.1;
if (isHighDPI) baseScale *= 2; // Double base size on high DPI screens
if (isHighDPI) baseScale *= 2; // Double base size on high DPI screens (determined at page load)
const navScale = baseScale / currentDPR;
// Dropdowns at 100% (no additional scaling)
const dropdownScale = 1.0;
@ -75,7 +78,7 @@
navbar.classList.remove('navbar-expand-lg');
}
console.log('Applied navbar scale:', navScale, 'effective width:', effectiveWidth);
console.log('DPR:', currentDPR, 'isHighDPI:', isHighDPI, 'baseScale:', baseScale, 'navScale:', navScale, 'effective width:', effectiveWidth);
}
setTimeout(() => {