From ef06021e0bc68aa322f9b9963dae6e6e0bdffa7c Mon Sep 17 00:00:00 2001
From: Jeremy Yu <jeremy.yu@shelly.com>
Date: Sat, 28 Dec 2024 02:06:12 +0800
Subject: [PATCH] feat: add generate html feature

---
 index.html                                    |   3 +-
 .../modules/layout/designBoard/index.vue      |  31 ++-
 src/router/base.ts                            |   5 +
 src/views/Html.vue                            | 197 ++++++++++++++++++
 4 files changed, 225 insertions(+), 11 deletions(-)
 create mode 100644 src/views/Html.vue
diff --git a/index.html b/index.html
index df19f37..fea8736 100644
--- a/index.html
+++ b/index.html
@@ -10,7 +10,8 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" href="/favicon.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0" /> -->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, initial-scale=1, maximum-scale=1, user-scalable=no">
     <title>迅排设计 - 轻松创意，迅捷排版，感受云上设计带来的乐趣！</title>
     <script> var _hmt = _hmt || [] </script>
   </head>
diff --git a/src/components/modules/layout/designBoard/index.vue b/src/components/modules/layout/designBoard/index.vue
index 1050843..92eca03 100644
--- a/src/components/modules/layout/designBoard/index.vue
+++ b/src/components/modules/layout/designBoard/index.vue
@@ -7,14 +7,14 @@
 -->
 <template>
   <div id="main">
-    <div id="page-design" ref="page_design" :style="{ paddingTop: dPaddingTop + 'px', minWidth: (dPage.width * dZoom) / 100 + dPresetPadding * 2 + 'px' }">
+    <div id="page-design" ref="page_design" :style="{ paddingTop: dPaddingTop + 'px', minWidth:  (dPage.width * dZoom) / 100 + (padding ?? dPresetPadding) * 2 + 'px' }">
       <div
         id="out-page"
         class="out-page"
         :style="{
-          padding: dPresetPadding + 'px',
-          width: (dPage.width * dZoom) / 100 + dPresetPadding * 2 + 'px',
-          height: (dPage.height * dZoom) / 100 + dPresetPadding * 2 + 'px',
+          padding: padding ?? dPresetPadding + 'px',
+          width: (dPage.width * dZoom) / 100 + (padding ?? dPresetPadding) * 2 + 'px',
+          height: (dPage.height * dZoom) / 100 + (padding ?? dPresetPadding) * 2 + 'px',
           opacity: 1 - (dZoom < 100 ? dPage.tag : 0),
         }"
       >
@@ -22,7 +22,7 @@
         <resize-page :width="(dPage.width * dZoom) / 100" :height="(dPage.height * dZoom) / 100" />
         <watermark :customStyle="{ height: (dPage.height * dZoom) / 100 + 'px' }">
           <div
-            :id="pageDesignCanvasId"
+            :id="props.pageDesignCanvasId"
             class="design-canvas"
             :data-type="dPage.type"
             :data-uuid="dPage.uuid"
@@ -66,7 +66,7 @@
 </template>
 
 <script lang="ts" setup>
-import { onMounted } from 'vue'
+import { computed, onMounted } from 'vue'
 import { getTarget } from '@/common/methods/target'
 import setWidgetData from '@/common/methods/DesignFeatures/setWidgetData'
 import PointImg from '@/utils/plugins/pointImg'
@@ -78,10 +78,17 @@ import { storeToRefs } from 'pinia'
 import { TPageState } from '@/store/design/canvas/d'
 import resizePage from './comps/resize.vue'
 import watermark from './comps/pageWatermark.vue'
+import { TdWidgetData } from '@/store/design/widget'
 
 // 页面设计组件
 type TProps = {
   pageDesignCanvasId: string
+  /** 以下参数仅用于图片渲染html */
+  padding?: number
+  /** 用于生成渲染图片 */
+  renderDPage?: TPageState
+  renderDWdigets?: TdWidgetData[]
+  zoom?: number
 }
 
 type TParentData = {
@@ -95,12 +102,16 @@ const controlStore = useControlStore()
 const widgetStore = useWidgetStore()
 const canvasStore = useCanvasStore()
 
-const { pageDesignCanvasId } = defineProps<TProps>()
+const props = defineProps<TProps>()
 
-const { dPage } = storeToRefs(useCanvasStore())
-const { dZoom, dPresetPadding, dPaddingTop, dScreen } = storeToRefs(canvasStore)
+const { dPage: curDPage } = storeToRefs(useCanvasStore())
+const { dZoom: curZoom, dPresetPadding, dPaddingTop, dScreen } = storeToRefs(canvasStore)
 const { dDraging, showRotatable, dAltDown, dSpaceDown } = storeToRefs(controlStore)
-const { dWidgets, dActiveElement, dSelectWidgets, dHoverUuid } = storeToRefs(widgetStore)
+const { dWidgets: curWidgets, dActiveElement, dSelectWidgets, dHoverUuid } = storeToRefs(widgetStore)
+
+const dPage = computed(() => props.renderDPage ?? curDPage.value)
+const dWidgets = computed(() => props.renderDWdigets ?? curWidgets.value)
+const dZoom = computed(() => props.zoom ?? curZoom.value)
 
 let _dropIn: string | null = ''
 let _srcCache: string | null = ''
diff --git a/src/router/base.ts b/src/router/base.ts
index 951e0d4..10f4cab 100644
--- a/src/router/base.ts
+++ b/src/router/base.ts
@@ -37,6 +37,11 @@ export default [
     name: 'Draw',
     component: () => import(/* webpackChunkName: 'draw' */ '@/views/Draw.vue'),
   },
+  {
+    path: "/html",
+    name: "Html",
+    component: () => import(/* webpackChunkName: 'html' */ '@/views/Html.vue'),
+  },
   {
     path: '/psd',
     name: 'Psd',
diff --git a/src/views/Html.vue b/src/views/Html.vue
new file mode 100644
index 0000000..3147cef
--- /dev/null
+++ b/src/views/Html.vue
@@ -0,0 +1,197 @@
+<!--
+ * @Author: Jeremy Yu
+ * @Date: 2024-12-27 00:02:46
+ * @Description: 图片生成HTML页面
+ * @LastEditors: Jeremy Yu <https://book.yzmblog.top>
+ * @LastEditTime: 2024-12-28 12:28:00
+-->
+
+<template>
+  <div ref="pageDesignIndex">
+    <div class="page-design-index-wrap" id="page-draw-html-wrap">
+      <template v-for="x in pageGroup" :key="x.pageData.uuid">
+        <design-board 
+          class="page-design-wrap fixed-canvas"
+          pageDesignCanvasId="page-design-canvas"
+          :padding="0"
+          :renderDWdigets="x.dWidgets"
+          :renderDPage="x.pageData"
+          :zoom="x.zoom * 100"
+        />
+      </template>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, nextTick, ref, onUnmounted } from 'vue'
+import api from '@/api'
+import Preload from '@/utils/plugins/preload'
+import FontFaceObserver from 'fontfaceobserver'
+import { fontWithDraw, font2style } from '@/utils/widgets/loadFontRule'
+import designBoard from '@/components/modules/layout/designBoard/index.vue'
+import { useRoute } from 'vue-router'
+import { TPageState } from '@/store/design/canvas/d'
+import { TdWidgetData } from '@/store/design/widget'
+
+const route = useRoute()
+
+const pageGroup = ref<{pageData: TPageState, dWidgets: TdWidgetData[], zoom: number}[]>([])
+
+onMounted(() => {
+  nextTick(() => {
+    load()
+    window.addEventListener("resize", handleResize, false);
+  })
+})
+
+onUnmounted(() => {
+  window.removeEventListener("resize", handleResize, false);
+})
+
+async function load() {
+  let backgroundImage = ''
+  let loadFlag = false
+  const { id, tempid  }: any = route.query 
+  if (id || tempid) {
+    const postData = {
+      id: id || tempid
+    }
+    const { data } = await api.home[id ? 'getWorks' : 'getTempDetail'](postData)
+    let contentGroup = JSON.parse(data)
+
+    contentGroup = Array.isArray(contentGroup) ? contentGroup : [contentGroup]
+
+    for (let i = 0; i < contentGroup.length; i++) {
+      const { global, layers } = contentGroup[i]
+      let content = {page: global, widgets: layers}
+
+      const widgets = content.widgets
+      const zoom = controlScale(content.page?.width)
+ 
+      // 移除背景图，作为独立事件
+      backgroundImage = content.page?.backgroundImage
+      backgroundImage && delete content.page.backgroundImage
+
+      await nextTick()
+
+      pageGroup.value.push({
+        pageData: content.page,
+        dWidgets: widgets,
+        zoom,
+      })
+
+      const imgsData: HTMLImageElement[] = []
+      const svgsData: HTMLImageElement[] = []
+      const fontLoaders: Promise<void>[] = []
+      const fontContent: Record<string, string> = {}
+      let fontData: string[] = []
+      widgets.forEach((item: any) => {
+        if (item.fontClass && item.fontClass.value) {
+          const loader = new FontFaceObserver(item.fontClass.value)
+          fontData.push(item.fontClass)
+          fontLoaders.push(loader.load(null, 30000)) // 延长超时让检测不会丢失字体
+          // 按字体来收集所有文字
+          if (fontContent[item.fontClass.value]) {
+            fontContent[item.fontClass.value] += item.text
+          } else {
+            fontContent[item.fontClass.value] = item.text
+          }
+        }
+        // 收集图片元素、svg元素
+        try {
+          if (item.svgUrl && item.type === 'w-svg') {
+            const cNodes: any = (window as any).document.getElementById(item.uuid).childNodes
+            svgsData.push(cNodes)
+          } else if (item.imgUrl && !item.isNinePatch) {
+            const cNodes: any = (window as any).document.getElementById(item.uuid).childNodes
+            for (const el of cNodes) {
+              if (el.className && el.className.includes('img__box')) {
+                imgsData.push(el.firstChild)
+              }
+            }
+          }
+        } catch (e) {}
+      })
+      // 背景图无法检测是否加载完毕，所以单独做判断
+      if (backgroundImage) {
+        const preloadBg = new Preload([backgroundImage])
+        await preloadBg.imgs()
+      }
+      try {
+        fontWithDraw && (await font2style(fontContent, fontData))
+        // console.log('1. base64 yes')
+        const preload = new Preload(imgsData)
+        await preload.doms()
+        // console.log('2. image yes')
+        const preload2 = new Preload(svgsData)
+        await preload2.svgs()
+        // console.log('3. svg yes')
+      } catch (e) {
+        console.log(e)
+      }
+      try {
+        await Promise.all(fontLoaders)
+        // console.log('4. font yes')
+      } catch (e) {
+        // console.log(e)
+      }
+      loadFlag = true
+      console.log('--> now u can start generate artboard to html!')
+      setTimeout(() => {
+        try {
+          ;(window as any).loadFinishToInject('done')
+        } catch (err) {}
+      }, 100)
+    }
+  }
+  // 超时
+  setTimeout(() => {
+    !loadFlag && (window as any).loadFinishToInject('done')
+  }, 60000)
+}
+
+function controlScale(width: number) {
+  const winWidth = document.documentElement.clientWidth
+  let curZoom = (winWidth / width);
+  curZoom = curZoom > 1 ? 1 : curZoom
+
+  return curZoom
+}
+
+function handleResize() {
+  pageGroup.value = pageGroup.value.map(val => {
+    val.zoom = controlScale(val.pageData.width);
+    return val
+  })
+}
+
+</script>
+
+<style lang="less" scoped>
+@import url('@/assets/styles/design.less');
+
+#page-draw-html-wrap {
+  width: 100vw;
+  height: 100vh;
+  overflow: scroll;
+  offset: 0px;
+  
+  scrollbar-width: none; /* Firefox 隐藏滚动条 */
+  #main {
+    overflow: hidden;
+  }
+}
+
+#page-draw-html-wrap::-webkit-scrollbar {
+    display: none; /* WebKit 浏览器隐藏滚动条 */
+}
+
+</style>
+
+<style lang="less">
+.layer-hover {
+  outline: 0 !important;
+}
+
+</style>
