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perf: 优化导出pptx代码，修复单位转换值

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zxc 2024-09-03 22:21:02 +08:00
parent 0a524410ae
commit 820383f831
1 changed files with 87 additions and 82 deletions
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169
src/hooks/useExport.ts
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@ -1,11 +1,11 @@
import { ref } from 'vue'
import { computed, ref } from 'vue'
import { storeToRefs } from 'pinia'
import { trim } from 'lodash'
import { saveAs } from 'file-saver'
import pptxgen from 'pptxgenjs'
import tinycolor from 'tinycolor2'
import { toPng, toJpeg } from 'html-to-image'
import { useSlidesStore } from '@/store'
import { useMainStore, useSlidesStore } from '@/store'
import type { PPTElementOutline, PPTElementShadow, PPTElementLink, Slide } from '@/types/slides'
import { getElementRange, getLineElementPath, getTableSubThemeColor } from '@/utils/element'
import { type AST, toAST } from '@/utils/htmlParser'
@ -14,9 +14,6 @@ import { encrypt } from '@/utils/crypto'
import { svg2Base64 } from '@/utils/svg2Base64'
import message from '@/utils/message'
const INCH_PX_RATIO = 100
const PT_PX_RATIO = 0.75
interface ExportImageConfig {
quality: number
width: number
@ -26,6 +23,14 @@ interface ExportImageConfig {
export default () => {
const slidesStore = useSlidesStore()
const { slides, theme, viewportRatio, title } = storeToRefs(slidesStore)
const { viewportSize } = storeToRefs(useMainStore())
const ratioPx2Inch = computed(() => {
return 96 * (viewportSize.value / 960)
})
const ratioPx2Pt = computed(() => {
return 96 / 72 * (viewportSize.value / 960)
})
const exporting = ref(false)
@ -152,7 +157,7 @@ export default () => {
const options: pptxgen.TextPropsOptions = {}
if (styleObj['font-size']) {
options.fontSize = parseInt(styleObj['font-size']) * PT_PX_RATIO
options.fontSize = parseInt(styleObj['font-size']) / ratioPx2Pt.value
}
if (styleObj['color']) {
options.color = formatColor(styleObj['color']).color
@ -232,40 +237,40 @@ export default () => {
}
else if (point.type === 'M') {
return {
x: point.x / INCH_PX_RATIO * scale.x,
y: point.y / INCH_PX_RATIO * scale.y,
x: point.x / ratioPx2Inch.value * scale.x,
y: point.y / ratioPx2Inch.value * scale.y,
moveTo: true,
}
}
else if (point.curve) {
if (point.curve.type === 'cubic') {
return {
x: point.x / INCH_PX_RATIO * scale.x,
y: point.y / INCH_PX_RATIO * scale.y,
x: point.x / ratioPx2Inch.value * scale.x,
y: point.y / ratioPx2Inch.value * scale.y,
curve: {
type: 'cubic',
x1: (point.curve.x1 as number) / INCH_PX_RATIO * scale.x,
y1: (point.curve.y1 as number) / INCH_PX_RATIO * scale.y,
x2: (point.curve.x2 as number) / INCH_PX_RATIO * scale.x,
y2: (point.curve.y2 as number) / INCH_PX_RATIO * scale.y,
x1: (point.curve.x1 as number) / ratioPx2Inch.value * scale.x,
y1: (point.curve.y1 as number) / ratioPx2Inch.value * scale.y,
x2: (point.curve.x2 as number) / ratioPx2Inch.value * scale.x,
y2: (point.curve.y2 as number) / ratioPx2Inch.value * scale.y,
},
}
}
else if (point.curve.type === 'quadratic') {
return {
x: point.x / INCH_PX_RATIO * scale.x,
y: point.y / INCH_PX_RATIO * scale.y,
x: point.x / ratioPx2Inch.value * scale.x,
y: point.y / ratioPx2Inch.value * scale.y,
curve: {
type: 'quadratic',
x1: (point.curve.x1 as number) / INCH_PX_RATIO * scale.x,
y1: (point.curve.y1 as number) / INCH_PX_RATIO * scale.y,
x1: (point.curve.x1 as number) / ratioPx2Inch.value * scale.x,
y1: (point.curve.y1 as number) / ratioPx2Inch.value * scale.y,
},
}
}
}
return {
x: point.x / INCH_PX_RATIO * scale.x,
y: point.y / INCH_PX_RATIO * scale.y,
x: point.x / ratioPx2Inch.value * scale.x,
y: point.y / ratioPx2Inch.value * scale.y,
}
})
}
@ -323,7 +328,7 @@ export default () => {
type: 'outer',
color: c.color.replace('#', ''),
opacity: c.alpha,
blur: shadow.blur * PT_PX_RATIO,
blur: shadow.blur / ratioPx2Pt.value,
offset,
angle,
}
@ -335,7 +340,7 @@ export default () => {
return {
color: c.color,
transparency: (1 - c.alpha) * 100,
width: (outline.width || 1) * PT_PX_RATIO,
width: (outline.width || 1) / ratioPx2Pt.value,
dashType: outline.style === 'solid' ? 'solid' : 'dash',
}
}
@ -414,21 +419,21 @@ export default () => {
const textProps = formatHTML(el.content)
const options: pptxgen.TextPropsOptions = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
fontSize: 20 * PT_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
fontSize: 20 / ratioPx2Pt.value,
fontFace: '微软雅黑',
color: '#000000',
valign: 'top',
margin: 10 * PT_PX_RATIO,
paraSpaceBefore: 5 * PT_PX_RATIO,
margin: 10 / ratioPx2Pt.value,
paraSpaceBefore: 5 / ratioPx2Pt.value,
lineSpacingMultiple: 1.5 / 1.25,
autoFit: true,
}
if (el.rotate) options.rotate = el.rotate
if (el.wordSpace) options.charSpacing = el.wordSpace * PT_PX_RATIO
if (el.wordSpace) options.charSpacing = el.wordSpace / ratioPx2Pt.value
if (el.lineHeight) options.lineSpacingMultiple = el.lineHeight / 1.25
if (el.fill) {
const c = formatColor(el.fill)
@ -440,7 +445,7 @@ export default () => {
if (el.shadow) options.shadow = getShadowOption(el.shadow)
if (el.outline?.width) options.line = getOutlineOption(el.outline)
if (el.opacity !== undefined) options.transparency = (1 - el.opacity) * 100
if (el.paragraphSpace !== undefined) options.paraSpaceBefore = el.paragraphSpace * PT_PX_RATIO
if (el.paragraphSpace !== undefined) options.paraSpaceBefore = el.paragraphSpace / ratioPx2Pt.value
if (el.vertical) options.vert = 'eaVert'
pptxSlide.addText(textProps, options)
@ -448,10 +453,10 @@ export default () => {
else if (el.type === 'image') {
const options: pptxgen.ImageProps = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
}
if (isBase64Image(el.src)) options.data = el.src
else options.path = el.src
@ -471,18 +476,18 @@ export default () => {
const [startX, startY] = start
const [endX, endY] = end
const originW = el.width / ((endX - startX) / INCH_PX_RATIO)
const originH = el.height / ((endY - startY) / INCH_PX_RATIO)
const originW = el.width / ((endX - startX) / ratioPx2Inch.value)
const originH = el.height / ((endY - startY) / ratioPx2Inch.value)
options.w = originW / INCH_PX_RATIO
options.h = originH / INCH_PX_RATIO
options.w = originW / ratioPx2Inch.value
options.h = originH / ratioPx2Inch.value
options.sizing = {
type: 'crop',
x: startX / INCH_PX_RATIO * originW / INCH_PX_RATIO,
y: startY / INCH_PX_RATIO * originH / INCH_PX_RATIO,
w: (endX - startX) / INCH_PX_RATIO * originW / INCH_PX_RATIO,
h: (endY - startY) / INCH_PX_RATIO * originH / INCH_PX_RATIO,
x: startX / ratioPx2Inch.value * originW / ratioPx2Inch.value,
y: startY / ratioPx2Inch.value * originH / ratioPx2Inch.value,
w: (endX - startX) / ratioPx2Inch.value * originW / ratioPx2Inch.value,
h: (endY - startY) / ratioPx2Inch.value * originH / ratioPx2Inch.value,
}
}
@ -497,10 +502,10 @@ export default () => {
const options: pptxgen.ImageProps = {
data: base64SVG,
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
}
if (el.rotate) options.rotate = el.rotate
if (el.link) {
@ -528,10 +533,10 @@ export default () => {
const opacity = el.opacity === undefined ? 1 : el.opacity
const options: pptxgen.ShapeProps = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
fill: { color: fillColor.color, transparency: (1 - fillColor.alpha * opacity) * 100 },
points,
}
@ -551,14 +556,14 @@ export default () => {
const textProps = formatHTML(el.text.content)
const options: pptxgen.TextPropsOptions = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
fontSize: 20 * PT_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
fontSize: 20 / ratioPx2Pt.value,
fontFace: '微软雅黑',
color: '#000000',
paraSpaceBefore: 5 * PT_PX_RATIO,
paraSpaceBefore: 5 / ratioPx2Pt.value,
valign: el.text.align,
}
if (el.rotate) options.rotate = el.rotate
@ -576,14 +581,14 @@ export default () => {
const c = formatColor(el.color)
const options: pptxgen.ShapeProps = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: (maxX - minX) / INCH_PX_RATIO,
h: (maxY - minY) / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: (maxX - minX) / ratioPx2Inch.value,
h: (maxY - minY) / ratioPx2Inch.value,
line: {
color: c.color,
transparency: (1 - c.alpha) * 100,
width: el.width * PT_PX_RATIO,
width: el.width / ratioPx2Pt.value,
dashType: el.style === 'solid' ? 'solid' : 'dash',
beginArrowType: el.points[0] ? 'arrow' : 'none',
endArrowType: el.points[1] ? 'arrow' : 'none',
@ -616,10 +621,10 @@ export default () => {
}
const options: pptxgen.IChartOpts = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
chartColors: el.chartType === 'pie' ? chartColors : chartColors.slice(0, el.data.series.length),
}
@ -628,7 +633,7 @@ export default () => {
options.showLegend = true
options.legendPos = el.legend === 'top' ? 't' : 'b'
options.legendColor = formatColor(el.gridColor || '#000000').color
options.legendFontSize = 14 * PT_PX_RATIO
options.legendFontSize = 14 / ratioPx2Pt.value
}
let type = pptx.ChartType.bar
@ -699,7 +704,7 @@ export default () => {
align: cell.style?.align || 'left',
valign: 'middle',
fontFace: cell.style?.fontname || '微软雅黑',
fontSize: (cell.style?.fontsize ? parseInt(cell.style?.fontsize) : 14) * PT_PX_RATIO,
fontSize: (cell.style?.fontsize ? parseInt(cell.style?.fontsize) : 14) / ratioPx2Pt.value,
}
if (theme && themeColor) {
let c: FormatColor
@ -730,17 +735,17 @@ export default () => {
}
const options: pptxgen.TableProps = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
colW: el.colWidths.map(item => el.width * item / INCH_PX_RATIO),
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
colW: el.colWidths.map(item => el.width * item / ratioPx2Inch.value),
}
if (el.theme) options.fill = { color: '#ffffff' }
if (el.outline.width && el.outline.color) {
options.border = {
type: el.outline.style === 'solid' ? 'solid' : 'dash',
pt: el.outline.width * PT_PX_RATIO,
pt: el.outline.width / ratioPx2Pt.value,
color: formatColor(el.outline.color).color,
}
}
@ -754,10 +759,10 @@ export default () => {
const options: pptxgen.ImageProps = {
data: base64SVG,
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
}
if (el.link) {
const linkOption = getLinkOption(el.link)
@ -769,10 +774,10 @@ export default () => {
else if (!ignoreMedia && (el.type === 'video' || el.type === 'audio')) {
const options: pptxgen.MediaProps = {
x: el.left / INCH_PX_RATIO,
y: el.top / INCH_PX_RATIO,
w: el.width / INCH_PX_RATIO,
h: el.height / INCH_PX_RATIO,
x: el.left / ratioPx2Inch.value,
y: el.top / ratioPx2Inch.value,
w: el.width / ratioPx2Inch.value,
h: el.height / ratioPx2Inch.value,
path: el.src,
type: el.type,
}