Files
homepage/src/lib/components/TitleImgParallax.svelte

186 lines
3.5 KiB
Svelte

<script>
export let src
export let placeholder_src
let isloaded=false
import { onMount } from "svelte";
onMount(() => {
const el = document.querySelector("img")
if(el.complete){
isloaded = true
}
})
function show_dialog_img(){
if(document.querySelector("img").complete){
document.querySelector("#img_carousel").showModal();
}
}
function close_dialog_img(){
document.querySelector("#img_carousel").close();
}
import Cross from "$lib/assets/icons/Cross.svelte";
import "$lib/css/action_button.css";
import "$lib/css/shake.css";
import { do_on_key } from "./do_on_key";
</script>
<style>
:root {
--scale: 0.3;
--space: 10vw;
--font-primary: 'Lato', sans-serif;
--font-heading: 'Playfair Display', serif;
}
@media (prefers-reduced-motion) {
:root {
--scale: 0;
}
}
* {
box-sizing: border-box;
}
.section {
margin-bottom: -20vh;
transform-origin: center top;
transform: translateY(-1rem)
scaleY(calc(1 - var(--scale)));
}
.section > * {
transform-origin: center top;
transform: scaleY(calc(1 / (1 - var(--scale))));
}
.content {
position: relative;
margin: 30vh auto 0;
}
.image-container {
position: sticky;
display: flex;
align-items: center;
justify-content: center;
top: 0;
height: max(50dvh, 500px);
z-index: -10;
}
#image{
display: block;
position: absolute;
top: 0;
width: min(1000px, 100dvw);
z-index: -1;
opacity: 0;
transition: 200ms;
height: max(60dvh,600px);
object-fit: cover;
object-position: 50% 20%;
backdrop-filter: blur(20px);
filter: blur(20px);
z-index: -10;
}
.image-container::after {
content: '';
position: absolute;
bottom: 0;
left: 0;
height: 50%;
}
:global(h1){
width: 100%;
}
.placeholder{
background-repeat: no-repeat;
background-size: cover;
background-position: 50% 20%;
position: absolute;
width: min(1000px, 100dvw);
height: max(60dvh,600px);
z-index: -2;
}
.placeholder_blur{
width: inherit;
height: inherit;
backdrop-filter: blur(20px);
}
div:has(.placeholder){
position: absolute;
top: 0;
width: min(1000px, 100dvw);
height: max(60dvh,600px);
overflow: hidden;
}
.unblur#image{
filter: blur(0px) !important;
opacity: 1;
}
@supports (-moz-appearance:none) {
.placeholder{
translate: -50% -50%;
}
}
/* DIALOG */
dialog{
position: relative;
background-color: unset;
padding:0;
max-height: 90vh;
margin-inline: auto;
overflow: visible;
border: unset;
}
dialog img{
max-width: calc(95vmin - 2rem);
max-height: 95vmin; /* cannot use calc() for some reason */
}
dialog[open]::backdrop{
animation: show 200ms ease forwards;
}
@keyframes show{
from {
backdrop-filter: blur(0px);
}
to {
backdrop-filter: blur(10px);
}
}
dialog button{
position: absolute;
top: -2rem;
right: -2rem;
}
.zoom-in{
cursor: zoom-in;
}
</style>
<section class="section">
<figure class="image-container">
<!-- svelte-ignore a11y-click-events-have-key-events -->
<div class:zoom-in={isloaded} on:click={show_dialog_img}>
<div class=placeholder style="background-image:url({placeholder_src})" >
<div class=placeholder_blur>
<img class:unblur={isloaded} id=image {src} on:load={() => {isloaded=true}} alt=""/>
</div>
</div>
</div>
</figure>
<div class=content><slot></slot></div>
</section>
<dialog id=img_carousel>
<div>
<img class:unblur={isloaded} {src} alt="">
<button class=action_button on:keydown={(event) => do_on_key(event, 'Enter', false, close_dialog_img)} on:click={close_dialog_img}>
<Cross fill=white width=2rem height=2rem></Cross>
</button>
</div>
</dialog>