370 lines
11 KiB
Vue
370 lines
11 KiB
Vue
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<script setup lang="ts">
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import type { ScreenshotSession } from '../logic/screenshot'
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import { sleep } from '@antfu/utils'
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import { parseRangeString } from '@slidev/parser/utils'
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import { useHead } from '@unhead/vue'
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import { provideLocal, useElementSize, useLocalStorage, useStyleTag, watchDebounced } from '@vueuse/core'
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import { computed, ref, useTemplateRef, watch } from 'vue'
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import { useRouter } from 'vue-router'
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import { useDarkMode } from '../composables/useDarkMode'
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import { useNav } from '../composables/useNav'
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import { patchMonacoColors } from '../composables/usePrintStyles'
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import { injectionSlideScale } from '../constants'
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import { configs, slideHeight, slidesTitle, slideWidth } from '../env'
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import ExportPdfTip from '../internals/ExportPdfTip.vue'
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import FormCheckbox from '../internals/FormCheckbox.vue'
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import FormItem from '../internals/FormItem.vue'
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import PrintSlide from '../internals/PrintSlide.vue'
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import { isScreenshotSupported, startScreenshotSession } from '../logic/screenshot'
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import { skipExportPdfTip } from '../state'
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import Play from './play.vue'
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const { slides, isPrintWithClicks, hasNext, go, next, currentSlideNo, clicks, printRange } = useNav()
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const router = useRouter()
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const { isColorSchemaConfigured, isDark } = useDarkMode()
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const { width: containerWidth } = useElementSize(useTemplateRef('export-container'))
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const { height: contentHeight } = useElementSize(useTemplateRef('export-content'))
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const scale = computed(() => containerWidth.value / slideWidth.value)
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const contentMarginBottom = computed(() => `${contentHeight.value * (scale.value - 1)}px`)
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const rangesRaw = ref('')
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const initialWait = ref(1000)
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const delay = useLocalStorage('slidev-export-capture-delay', 400, { listenToStorageChanges: false })
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type ScreenshotResult = { slideIndex: number, clickIndex: number, dataUrl: string }[]
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const screenshotSession = ref<ScreenshotSession | null>(null)
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const capturedImages = ref<ScreenshotResult | null>(null)
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const title = ref(configs.exportFilename || slidesTitle)
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useHead({
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title,
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})
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provideLocal(injectionSlideScale, scale)
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const showExportPdfTip = ref(false)
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function pdf() {
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if (skipExportPdfTip.value) {
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doPrint()
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}
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else {
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showExportPdfTip.value = true
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}
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}
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function doPrint() {
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patchMonacoColors()
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setTimeout(window.print, 100)
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}
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async function capturePngs() {
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if (screenshotSession.value) {
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screenshotSession.value.dispose()
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screenshotSession.value = null
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}
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if (capturedImages.value)
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return capturedImages.value
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try {
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const scale = 2
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screenshotSession.value = await startScreenshotSession(slideWidth.value * scale, slideHeight.value * scale)
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const result: ScreenshotResult = []
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go(1, 0, true)
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await sleep(initialWait.value + delay.value)
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while (true) {
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if (!screenshotSession.value) {
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break
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}
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result.push({
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slideIndex: currentSlideNo.value - 1,
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clickIndex: clicks.value,
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dataUrl: screenshotSession.value.screenshot(document.getElementById('slide-content')!),
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})
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if (hasNext.value) {
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await sleep(delay.value)
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next()
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await sleep(delay.value)
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}
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else {
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break
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}
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}
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if (screenshotSession.value) {
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screenshotSession.value.dispose()
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capturedImages.value = result
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screenshotSession.value = null
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}
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}
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catch (e) {
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console.error(e)
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capturedImages.value = null
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}
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finally {
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router.push('/export')
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}
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return capturedImages.value
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}
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async function pptx() {
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const pngs = await capturePngs()
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if (!pngs)
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return
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const pptx = await import('pptxgenjs')
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.then(r => r.default)
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.then(PptxGen => new PptxGen())
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const layoutName = `${slideWidth.value}x${slideHeight.value}`
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pptx.defineLayout({
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name: layoutName,
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width: slideWidth.value / 96,
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height: slideHeight.value / 96,
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})
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pptx.layout = layoutName
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if (configs.author)
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pptx.author = configs.author
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pptx.company = 'Created using Slidev'
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pptx.title = title.value
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if (typeof configs.info === 'string')
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pptx.subject = configs.info
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pngs.forEach(({ slideIndex, dataUrl }) => {
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const slide = pptx.addSlide()
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slide.background = {
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data: dataUrl,
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}
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const note = slides.value[slideIndex].meta.slide.note
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if (note)
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slide.addNotes(note)
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})
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const blob = await pptx.write({
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outputType: 'blob',
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compression: true,
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}) as Blob
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const url = URL.createObjectURL(blob)
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const a = document.createElement('a')
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a.href = url
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a.download = `${title.value}.pptx`
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a.click()
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}
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async function pngsGz() {
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const pngs = await capturePngs()
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if (!pngs)
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return
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const { createTarGzip } = await import('nanotar')
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const data = await createTarGzip(
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pngs.map(({ slideIndex, dataUrl }) => ({
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name: `${slideIndex}.png`,
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data: new Uint8Array(atob(dataUrl.split(',')[1]).split('').map(char => char.charCodeAt(0))),
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})),
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)
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const a = document.createElement('a')
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const blob = new Blob([data], { type: 'application/gzip' })
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a.href = URL.createObjectURL(blob)
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a.download = `${title.value}.tar.gz`
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a.click()
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}
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useStyleTag(computed(() => screenshotSession.value?.isActive
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? `
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html {
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cursor: none;
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margin-bottom: 20px;
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}
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body {
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pointer-events: none;
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}`
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: `
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:root {
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--slidev-slide-scale: ${scale.value};
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}
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`))
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// clear captured images when settings changed
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watch(
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[
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isDark,
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printRange,
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isPrintWithClicks,
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],
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() => capturedImages.value = null,
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)
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watchDebounced(
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[slides, rangesRaw],
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() => printRange.value = parseRangeString(slides.value.length, rangesRaw.value),
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{ debounce: 300 },
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)
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// clear captured images when HMR
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if (import.meta.hot) {
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import.meta.hot.on('vite:beforeUpdate', () => {
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capturedImages.value = null
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})
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}
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</script>
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<template>
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<Play v-if="screenshotSession?.isActive" />
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<div
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v-else
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class="fixed inset-0 flex flex-col md:flex-row md:gap-8 print:position-unset print:inset-0 print:block print:min-h-max justify-center of-hidden bg-main"
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>
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<div class="print:hidden min-w-fit flex flex-wrap md:flex-nowrap md:of-y-auto md:flex-col gap-2 p-6 max-w-100">
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<h1 class="text-3xl md:my-4 flex items-center gap-2 w-full">
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<RouterLink to="/" class="i-carbon:previous-outline op-70 hover:op-100" />
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Browser Exporter
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<sup op50 italic text-sm>Experimental</sup>
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</h1>
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<div flex="~ col gap-2">
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<h2>Options</h2>
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<FormItem title="Title">
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<input v-model="title" type="text">
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</FormItem>
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<FormItem title="Range">
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<input v-model="rangesRaw" type="text" :placeholder="`1-${slides.length}`">
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</FormItem>
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<FormItem title="Dark mode">
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<FormCheckbox v-model="isDark" :disabled="isColorSchemaConfigured" />
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</FormItem>
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<FormItem title="With clicks">
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<FormCheckbox v-model="isPrintWithClicks" />
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</FormItem>
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</div>
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<div class="flex-grow" />
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<div class="min-w-fit" flex="~ col gap-3">
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<div border="~ main rounded-lg" p3 flex="~ col gap-2">
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<h2>Export as Vector File</h2>
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<div class="flex flex-col gap-2 items-start min-w-max">
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<button @click="pdf">
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PDF
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</button>
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</div>
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</div>
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<div border="~ main rounded-lg" p3 flex="~ col gap-2" :class="isScreenshotSupported ? '' : 'border-orange'">
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<h2>Export as Images</h2>
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<div v-if="!isScreenshotSupported" class="min-w-full w-0 text-orange/100 p-1 mb--4 bg-orange/10 rounded">
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<span class="i-carbon:warning-alt inline-block mb--.5" />
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Your browser may not support image capturing.
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If you encounter issues, please use a modern Chromium-based browser,
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or export via the CLI.
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</div>
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<div class="flex flex-col gap-2 items-start min-w-max">
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<button @click="pptx">
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PPTX
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</button>
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<button @click="pngsGz">
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PNGs.gz
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</button>
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</div>
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<div w-full h-1px border="t main" my2 />
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<div class="relative flex flex-col gap-2 flex-nowrap">
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<div class="flex flex-col gap-2 items-start min-w-max">
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<button v-if="capturedImages" class="flex justify-center items-center gap-2" @click="capturedImages = null">
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<span class="i-carbon:trash-can inline-block text-xl" />
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Clear Captured Images
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</button>
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<button v-else class="flex justify-center items-center gap-2" @click="capturePngs">
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<div class="i-carbon:camera-action inline-block text-xl" />
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Pre-capture Slides as Images
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</button>
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<FormItem title="Delay" description="Delay between capturing each slide in milliseconds.<br>Increase this value if slides are captured incompletely. <br>(Not related to PDF export)">
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<input v-model="delay" type="number" step="50" min="50">
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</FormItem>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div id="export-container" ref="export-container" relative>
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<div print:hidden fixed right-5 bottom-5 px2 py0 z-label slidev-glass-effect>
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<span op75>Rendering as {{ capturedImages ? 'Captured Images' : 'DOM' }} </span>
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</div>
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<div v-show="!capturedImages" id="export-content" ref="export-content">
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<PrintSlide v-for="route, index in slides" :key="index" :hidden="!printRange.includes(index + 1)" :route />
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</div>
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<div v-if="capturedImages" id="export-content-images" class="print:hidden grid">
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<div v-for="png, i of capturedImages" :key="i" class="print-slide-container">
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<img :src="png.dataUrl">
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</div>
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</div>
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</div>
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<div id="twoslash-container" />
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<ExportPdfTip v-model="showExportPdfTip" @print="doPrint" />
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</div>
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</template>
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<style scoped>
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@media not print {
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#export-container {
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scrollbar-width: thin;
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scroll-behavior: smooth;
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--uno: w-full overflow-x-hidden overflow-y-auto max-h-full max-w-300 p-6;
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}
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#export-content {
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transform: v-bind('`scale(${scale})`');
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margin-bottom: v-bind('contentMarginBottom');
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--uno: origin-tl;
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}
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#export-content,
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#export-content-images {
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--uno: flex flex-col gap-2;
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}
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}
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@media print {
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#export-content {
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transform: scale(1);
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display: block !important;
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}
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}
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button {
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--uno: 'w-full rounded bg-gray:10 px-4 py-2 hover:bg-gray/20';
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}
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label {
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--uno: text-xl flex gap-2 items-center select-none;
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span {
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--uno: flex-grow;
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}
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input[type='text'],
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input[type='number'] {
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--uno: border border-main rounded px-2 py-1;
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}
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}
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h2 {
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--uno: font-500 op-70;
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}
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#export-content {
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--uno: pointer-events-none;
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}
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</style>
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<style>
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@media print {
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html,
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body,
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#app {
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overflow: unset !important;
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}
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}
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@media not print {
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#export-content-images .print-slide-container,
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#export-content .print-slide-container {
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--uno: border border-main rounded-md shadow of-hidden;
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}
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}
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</style>
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