gancio-upstream/components/MyPicture.vue
2022-04-27 11:27:08 +02:00

120 lines
No EOL
2.4 KiB
Vue

<template>
<figure :class='{ thumb, img: true }'
:height="height" :width="width"
:style="backgroundPreview">
<picture>
<source :srcset="srcset" type='image/webp' />
<img
v-if='media'
:class='{ "u-featured": true, loading }'
:alt='media.name' :loading='lazy?"lazy":"eager"'
:src="src"
itemprop="image"
:height="height" :width="width"
:style="{ 'object-position': thumbnailPosition }"
@load="loaded">
<img v-else-if='!media && thumb' class='thumb' src="noimg.svg" alt=''>
</picture>
</figure>
</template>
<script>
export default {
props: {
event: { type: Object, default: () => ({}) },
thumb: { type: Boolean, default: false },
lazy: { type: Boolean, default: false },
showPreview: { type: Boolean, default: true }
},
data () {
return { loading: true }
},
computed: {
backgroundPreview () {
if (this.media) {
return {
backgroundPosition: this.thumbnailPosition,
backgroundImage: "url('data:image/png;base64," + this.media.preview + "')" }
}
},
media () {
return this.event.media[0]
},
height () {
return this.media ? this.media.height : 'auto'
},
width () {
return this.media ? this.media.width : 'auto'
},
src () {
if (this.media) {
return '/media/' + (this.thumb ? 'thumb/' : '') + this.media.url
}
if (this.thumb) {
return '/noimg.svg'
}
},
srcset () {
return this.src.replace(/.jpg$/, '.webp')
},
thumbnailPosition () {
if (this.media.focalpoint) {
const focalpoint = this.media.focalpoint
return `${(focalpoint[0] + 1) * 50}% ${(focalpoint[1] + 1) * 50}%`
}
return 'center center'
},
},
methods: {
loaded () {
this.loading = false
}
}
}
</script>
<style>
.img {
width: 100%;
height: auto;
position: relative;
overflow: hidden;
display: flex;
background-size: cover;
}
.img img {
width: 100%;
max-width: 100%;
height: auto;
overflow: hidden;
transition: opacity 1s;
opacity: 1;
background-size: 100%;
}
.img.thumb img {
display: flex;
max-height: 250px;
min-height: 160px;
object-fit: cover;
object-position: top;
aspect-ratio: 1.7778;
}
.img picture {
width: 100%;
display: flex;
}
.img picture img.loading {
opacity: 0;
}
</style>