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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, 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 SegmentControl from '../internals/SegmentControl.vue' |
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import { isScreenshotSupported, startScreenshotSession } from '../logic/screenshot' |
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import { captureDelay, skipExportPdfTip } from '../state' |
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import Play from './play.vue' |
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|
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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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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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|
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useHead({ |
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title, |
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}) |
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|
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provideLocal(injectionSlideScale, scale) |
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|
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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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|
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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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|
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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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|
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go(1, 0, true) |
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|
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await sleep(initialWait.value + captureDelay.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(captureDelay.value) |
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next() |
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await sleep(captureDelay.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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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: `${slideIndex}.png`, |
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data: new Uint8Array(atob(dataUrl.split(',')[1]).split('').map(char => char.charCodeAt(0))), |
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})), |
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) |
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const a = document.createElement('a') |
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const blob = new Blob([data as any], { type: 'application/gzip' }) |
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a.href = URL.createObjectURL(blob) |
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a.download = `${title.value}.tar.gz` |
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a.click() |
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} |
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|
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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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|
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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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|
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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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|
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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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|
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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="Color Mode"> |
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<SegmentControl |
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v-model="isDark" |
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:options="[ |
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{ value: false, label: 'Light' }, |
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{ value: true, label: 'Dark' }, |
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]" |
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:disabled="isColorSchemaConfigured" |
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/> |
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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 min-w-max"> |
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<button class="slidev-form-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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|
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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-2 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 min-w-max"> |
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<button class="slidev-form-button" @click="pptx"> |
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PPTX |
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</button> |
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<button class="slidev-form-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 min-w-max"> |
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<button v-if="capturedImages" class="slidev-form-button 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="slidev-form-button flex justify-center items-center gap-2" @click="capturePngs"> |
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<div class="i-carbon:drop-photo 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="captureDelay" 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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|
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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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|
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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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|
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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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|
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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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|
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label { |
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--uno: text-xl flex gap-2 items-center select-none; |
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|
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span { |
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--uno: flex-grow; |
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} |
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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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|
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h2 { |
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--uno: font-500 op-70; |
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} |
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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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|
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#export-container { |
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--slidev-slide-container-scale: var(--slidev-slide-scale); |
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} |
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</style> |
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|
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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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|
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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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|