Further image loading smoothing

This commit is contained in:
Christian Aribaud 2023-04-15 18:14:57 +02:00
parent 0355d1e0db
commit ac2a51f066
3 changed files with 28 additions and 13 deletions

View File

@ -97,12 +97,27 @@ function totalPagesWidth() {
function initReader(){ function initReader(){
moveReaderDisplayToZoom(0) moveReaderDisplayToZoom(0)
// Smoothly show pictures when they intersect with the viewport
let visibilityObserver = new IntersectionObserver((entries, observer) => {
entries.forEach((entry) => {
if (entry.isIntersecting) {
entry.target.style.opacity = 1
entry.target.style.visibility = "visible"
} else {
entry.target.style.opacity = 0
entry.target.style.visibility = "hidden"
}
});
}, { root: READER_FRAME, rootMargin: "-10px" });
for (var i = 0; i < READER_PAGES.children.length; i++) { for (var i = 0; i < READER_PAGES.children.length; i++) {
let img = READER_PAGES.children[i]; let img = READER_PAGES.children[i];
img.style.width = 100 / getPagesCount() + "%" img.style.width = 100 / getPagesCount() + "%"
visibilityObserver.observe(img)
} }
READER_PAGES.style.display = "flex" READER_PAGES.style.display = "flex"
setTimeout(() => { setTimeout(() => {
READER_PAGES.hidden = false READER_PAGES.hidden = false
}, "300") }, "300")

View File

@ -12,18 +12,18 @@
<div id="reader-frame"> <div id="reader-frame">
<div id="reader-pages" data-pages-width="2481" data-pages-height="3503" hidden> <div id="reader-pages" data-pages-width="2481" data-pages-height="3503" hidden>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P01.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P01.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P02.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P02.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P03.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P03.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P04.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P04.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P05.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P05.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P06.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P06.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P07.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P07.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P08.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P08.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P09.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P09.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P10.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P10.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P11.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P11.jpg"/>
<img loading="lazy" onload="event.target.style.opacity=1" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P12.jpg"/> <img loading="lazy" src="https://www.peppercarrot.com/0_sources/ep35_The-Reflection/hi-res/en_Pepper-and-Carrot_by-David-Revoy_E35P12.jpg"/>
</div> </div>
<div id="focus-overlay"> <div id="focus-overlay">