JbSxs/code/node_modules/element-plus/es/components/watermark/src/watermark2.mjs.map

{"version":3,"file":"watermark2.mjs","sources":["../../../../../../packages/components/watermark/src/watermark.vue"],"sourcesContent":["<template>\n  <div ref=\"containerRef\" :style=\"[style]\">\n    <slot />\n  </div>\n</template>\n\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  onBeforeUnmount,\n  onMounted,\n  ref,\n  shallowRef,\n  watch,\n} from 'vue'\nimport { useMutationObserver } from '@vueuse/core'\nimport { isArray } from '@element-plus/utils'\nimport { watermarkProps } from './watermark'\nimport { getPixelRatio, getStyleStr, reRendering } from './utils'\nimport useClips, { FontGap } from './useClips'\nimport type { WatermarkProps } from './watermark'\nimport type { CSSProperties } from 'vue'\n\ndefineOptions({\n  name: 'ElWatermark',\n})\n\nconst style: CSSProperties = {\n  position: 'relative',\n}\n\nconst props = defineProps(watermarkProps)\nconst color = computed(() => props.font?.color ?? 'rgba(0,0,0,.15)')\nconst fontSize = computed(() => props.font?.fontSize ?? 16)\nconst fontWeight = computed(() => props.font?.fontWeight ?? 'normal')\nconst fontStyle = computed(() => props.font?.fontStyle ?? 'normal')\nconst fontFamily = computed(() => props.font?.fontFamily ?? 'sans-serif')\nconst textAlign = computed(() => props.font?.textAlign ?? 'center')\nconst textBaseline = computed(() => props.font?.textBaseline ?? 'hanging')\n\nconst gapX = computed(() => props.gap[0])\nconst gapY = computed(() => props.gap[1])\nconst gapXCenter = computed(() => gapX.value / 2)\nconst gapYCenter = computed(() => gapY.value / 2)\nconst offsetLeft = computed(() => props.offset?.[0] ?? gapXCenter.value)\nconst offsetTop = computed(() => props.offset?.[1] ?? gapYCenter.value)\n\nconst getMarkStyle = () => {\n  const markStyle: CSSProperties = {\n    zIndex: props.zIndex,\n    position: 'absolute',\n    left: 0,\n    top: 0,\n    width: '100%',\n    height: '100%',\n    pointerEvents: 'none',\n    backgroundRepeat: 'repeat',\n  }\n\n  /** Calculate the style of the offset */\n  let positionLeft = offsetLeft.value - gapXCenter.value\n  let positionTop = offsetTop.value - gapYCenter.value\n  if (positionLeft > 0) {\n    markStyle.left = `${positionLeft}px`\n    markStyle.width = `calc(100% - ${positionLeft}px)`\n    positionLeft = 0\n  }\n  if (positionTop > 0) {\n    markStyle.top = `${positionTop}px`\n    markStyle.height = `calc(100% - ${positionTop}px)`\n    positionTop = 0\n  }\n  markStyle.backgroundPosition = `${positionLeft}px ${positionTop}px`\n\n  return markStyle\n}\n\nconst containerRef = shallowRef<HTMLDivElement | null>(null)\nconst watermarkRef = shallowRef<HTMLDivElement>()\nconst stopObservation = ref(false)\n\nconst destroyWatermark = () => {\n  if (watermarkRef.value) {\n    watermarkRef.value.remove()\n    watermarkRef.value = undefined\n  }\n}\nconst appendWatermark = (base64Url: string, markWidth: number) => {\n  if (containerRef.value && watermarkRef.value) {\n    stopObservation.value = true\n    watermarkRef.value.setAttribute(\n      'style',\n      getStyleStr({\n        ...getMarkStyle(),\n        backgroundImage: `url('${base64Url}')`,\n        backgroundSize: `${Math.floor(markWidth)}px`,\n      })\n    )\n    containerRef.value?.append(watermarkRef.value)\n    // Delayed execution\n    setTimeout(() => {\n      stopObservation.value = false\n    })\n  }\n}\n\n/**\n * Get the width and height of the watermark. The default values are as follows\n * Image: [120, 64]; Content: It's calculated by content;\n */\nconst getMarkSize = (ctx: CanvasRenderingContext2D) => {\n  let defaultWidth = 120\n  let defaultHeight = 64\n  const image = props.image\n  const content = props.content\n  const width = props.width\n  const height = props.height\n  if (!image && ctx.measureText) {\n    ctx.font = `${Number(fontSize.value)}px ${fontFamily.value}`\n    const contents = isArray(content) ? content : [content]\n    const sizes = contents.map((item) => {\n      const metrics = ctx.measureText(item!)\n\n      return [\n        metrics.width,\n        // Using `actualBoundingBoxAscent` to be compatible with lower ve