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<template>
<div class="thumbnail-slide"
:style="{
width: size + 'px',
height: size * viewportRatio + 'px',
}"
>
<div
class="elements"
:style="{
width: viewportSize + 'px',
height: viewportSize * viewportRatio + 'px',
transform: `scale(${scale})`,
}"
v-if="visible"
>
<div class="background" :style="backgroundStyle"></div>
<ThumbnailElement
v-for="(element, index) in slide.elements"
:key="element.id"
:elementInfo="element"
:elementIndex="index + 1"
/>
</div>
<div class="placeholder" v-else>加载中 ...</div>
</div>
</template>
<script lang="ts" setup>
import { computed, provide } from 'vue'
import { storeToRefs } from 'pinia'
import { useSlidesStore } from '@/store'
import type { Slide } from '@/types/slides'
import { injectKeySlideScale } from '@/types/injectKey'
import useSlideBackgroundStyle from '@/hooks/useSlideBackgroundStyle'
import ThumbnailElement from './ThumbnailElement.vue'
const props = withDefaults(defineProps<{
slide: Slide
size: number
visible?: boolean
}>(), {
visible: true,
})
const { viewportRatio, viewportSize } = storeToRefs(useSlidesStore())
const background = computed(() => props.slide.background)
const { backgroundStyle } = useSlideBackgroundStyle(background)
const scale = computed(() => props.size / viewportSize.value)
provide(injectKeySlideScale, scale)
</script>
<style lang="scss" scoped>
.thumbnail-slide {
background-color: #fff;
overflow: hidden;
user-select: none;
}
.elements {
transform-origin: 0 0;
}
.background {
width: 100%;
height: 100%;
background-position: center;
position: absolute;
}
.placeholder {
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
}
</style> |