initial implementation of placeholder images, thumbnails and blurring between using sharp

This commit is contained in:
Alexander Bocken 2023-07-11 18:47:29 +02:00
parent abecc0e71f
commit 5ea8502caf
Signed by: Alexander
GPG Key ID: 1D237BE83F9B05E8
133 changed files with 124 additions and 54 deletions

View File

@ -10,17 +10,19 @@ if(icon_override){
current_month = recipe.season[0]
}
let isloaded = false
</script>
<style>
.card{
flex-shrink: 0;
--card-width: 300px;
text-decoration: none;
position: relative;
box-sizing: border-box;
font-family: sans-serif;
cursor: pointer;
height: calc(7/4 * var(--card-width)); /* otherwise card is not initialized at correct size and readjusts when populated*/
width: var(--card-width);
aspect-ratio: 4/7;
border-radius: 20px;
background-size: contain;
display: flex;
@ -28,7 +30,32 @@ if(icon_override){
justify-content: end;
background-color: var(--blue);
box-shadow: 0em 0em 2em 0.1em rgba(0, 0, 0, 0.3);
}
.card #image{
width: var(--card-width);
height: calc(var(--card-width)*0.85);
object-fit: cover;
transition: 200ms;
backdrop-filter: blur(10px);
filter: blur(10px);
}
.unblur{
filter: blur(0px) !important;
}
div:has(#image){
width: var(--card-width);
background-repeat: no-repeat;
background-size: cover;
background-position: center;
overflow: hidden;
border-top-left-radius: inherit;
border-top-right-radius: inherit;
}
div:has(div #image){
height: 100%;
position: absolute;
width: var(--card-width);
top: 0;
}
.card:hover,
.card:focus-within{
@ -39,12 +66,6 @@ if(icon_override){
.card:active{
scale: 0.95 0.95;
}
.card img{
height: 50%;
object-fit: cover;
border-top-left-radius: inherit;
border-top-right-radius: inherit;
}
.card .title {
position: relative;
box-sizing: border-box;
@ -129,14 +150,20 @@ if(icon_override){
.card:hover .icon,
.card:focus-visible .icon
{
animation: shake 0.6s
animation: shake 0.6s;
}
</style>
<a class="card {search}" href="/rezepte/{recipe.short_name}" data-tags=[{recipe.tags}]>
{#if icon_override || recipe.season.includes(current_month)}
<div>
<div style="background-image:url({'https://new.bocken.org/static/rezepte/placeholder/' + recipe.short_name + '.webp'})">
<img class:unblur={isloaded} id=image src={'https://new.bocken.org/static/rezepte/thumb/' + recipe.short_name + '.webp'} loading=lazy alt="{recipe.alt}" on:load={() => isloaded=true}/>
</div>
</div>
{#if icon_override || recipe.season.includes(current_month)}
<a class=icon href="/rezepte/icon/{recipe.icon}">{recipe.icon}</a>
{/if}
<img width=300px height=300px src="/images/{recipe.images[0].mediapath}" alt="{recipe.alt}" />
<div class=title>
<a class=category href="/rezepte/category/{recipe.category}" >{recipe.category}</a>
<div>

View File

@ -0,0 +1,21 @@
<script lang="ts">
import '$lib/css/nordtheme.css';
import "$lib/css/shake.css"
export let icon : string;
</script>
<style>
a{
font-size: 2rem;
text-decoration: none;
padding: 0.5em;
background-color: var(--nord4);
border-radius: 1000px;
box-shadow: 0em 0em 0.5em 0.2em rgba(0, 0, 0, 0.2);
}
a:hover{
--angle: 15deg;
animation: shake 0.5s ease forwards;
}
</style>
<a href="/rezepte/icon/{icon}" {...$$restProps} >{icon}</a>

View File

@ -27,7 +27,7 @@ h4{
{#if data.ingredients}
<div class=ingredients>
{#if data.portions}
<h4>Portionen:</h4>
<h3>Portionen:</h3>
{data.portions}
{/if}
<h2>Zutaten</h2>

View File

@ -1,5 +1,7 @@
<script>
export let src
export let placeholder_src
let isloaded=false
</script>
<style>
:root {
@ -46,7 +48,7 @@
z-index: -10;
}
.image-container img {
#image{
display: block;
position: absolute;
top: 0;
@ -54,8 +56,10 @@
z-index: -1;
height: max(60dvh,600px);
object-fit: cover;
/*object-position: top;*/
object-position: 50% 20%;
backdrop-filter: blur(20px);
transition: 50ms;
filter: blur(20px);
}
.image-container::after {
@ -68,9 +72,33 @@
: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;
}
div:has(.placeholder){
position: absolute;
top: 0;
width: min(1000px, 100dvw);
height: max(60dvh,600px);
overflow: hidden;
}
.unblur#image{
filter: blur(0px) !important;
}
</style>
<section class="section">
<figure class="image-container"><img {src} alt=""/></figure>
<figure class="image-container">
<div>
<div class=placeholder style="background-image:url({placeholder_src})" >
<img class:unblur={isloaded} id=image {src} on:load={() => isloaded=true} alt=""/>
</div>
</div>
</figure>
<div class=content><slot></slot></div>
</section>

View File

@ -38,7 +38,7 @@ const RecipeSchema = new mongoose.Schema(
steps: [String]}],
preamble : String,
addendum : String,
},
}, {timestamps: true}
);
export const Recipe = mongoose.model("Recipe", RecipeSchema);

View File

@ -3,18 +3,40 @@ import path from 'path'
import type { RequestHandler } from '@sveltejs/kit';
import { BEARER_TOKEN } from '$env/static/private'
import { error } from '@sveltejs/kit';
import { Image } from '../../../../models/Image';
import { IMAGE_DIR } from '$env/static/private'
import sharp from 'sharp';
export const POST = (async ({ request }) => {
const data = await request.json();
const filePath = path.join(
process.cwd(),
"static",
"images",
data.filename as string
);
const file = data.image;
if(data.bearer === BEARER_TOKEN){
writeFileSync(filePath, file, 'base64');
let full_res = new Buffer.from(data.image, 'base64')
// reduce image size if over 500KB
const MAX_SIZE_KB = 500
//const metadata = await sharp(full_res).metadata()
////reduce image size if larger than 500KB
//if(metadata.size > MAX_SIZE_KB*1000){
// full_res = sharp(full_res).
// webp( { quality: 70})
// .toBuffer()
//}
await sharp(full_res)
.toFormat('webp')
.toFile(path.join(IMAGE_DIR,
"full",
data.name + ".webp"))
await sharp(full_res)
.resize({ width: 800})
.toFormat('webp')
.toFile(path.join(IMAGE_DIR,
"thumb",
data.name + ".webp"))
await sharp(full_res)
.resize({ width: 20})
.toFormat('webp')
.toFile(path.join(IMAGE_DIR,
"placeholder",
data.name + ".webp"))
return new Response(JSON.stringify({msg: "Added image successfully"}),{
status: 200,
});

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