[presentation] Implemented proper slide scaling

1 files changed, 8 insertions, 0 deletions

diff --git a/src/scripts/presentation.js b/src/scripts/presentation.js
index d60e698..8c78ed8 100644
--- a/src/scripts/presentation.js
+++ b/src/scripts/presentation.js
@@ -71,11 +71,19 @@ presentBtn.addEventListener('click', function() {
 	else {
 		pageY = window.scrollY; pageX = window.scrollX;
 		window.scrollTo(0, 0);
+		fixAbsoluteSlideScale();
 	}
 
 	presenting = !presenting;
 });
 
+function fixAbsoluteSlideScale() {
+	var tr = 'translate(-50%, -50%) scale(' + Math.min(window.innerHeight / slides[0].offsetHeight, window.innerWidth / slides[0].offsetWidth) + ')' 
+	// Update transform
+	document.styleSheets.item(3).cssRules[1].style.transform = tr;
+}
+window.addEventListener('resize', fixAbsoluteSlideScale);
+
 /* Show as article button */
 
 articleBtn.addEventListener('click', function() {