xinda-miniprogram/src/components/customPoster/wxml2canvas/index.js

module.exports = (function () {
  const __MODS__ = {}
  const __DEFINE__ = function (modId, func, req) {
    const m = { exports: {}, _tempexports: {} }
    __MODS__[modId] = { status: 0, func, req, m }
  }
  const __REQUIRE__ = function (modId, source) {
    if (!__MODS__[modId])
      return require(source)
    if (!__MODS__[modId].status) {
      const m = __MODS__[modId].m
      m._exports = m._tempexports
      const desp = Object.getOwnPropertyDescriptor(m, 'exports')
      if (desp && desp.configurable) {
        Object.defineProperty(m, 'exports', {
          set(val) {
            if (typeof val === 'object' && val !== m._exports) {
              m._exports.__proto__ = val.__proto__
              Object.keys(val).forEach((k) => {
                m._exports[k] = val[k]
              })
            }
            m._tempexports = val
          },
          get() {
            return m._tempexports
          },
        })
      }
      __MODS__[modId].status = 1
      __MODS__[modId].func(__MODS__[modId].req, m, m.exports)
    }
    return __MODS__[modId].m.exports
  }
  const __REQUIRE_WILDCARD__ = function (obj) {
    if (obj && obj.__esModule) {
      return obj
    }
    else {
      const newObj = {}
      if (obj != null) {
        for (const k in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, k))
            newObj[k] = obj[k]
        }
      }
      newObj.default = obj
      return newObj
    }
  }
  const __REQUIRE_DEFAULT__ = function (obj) {
    return obj && obj.__esModule ? obj.default : obj
  }
  __DEFINE__(
    1685064731946,
    (require, module, exports) => {
      const __TEMP__ = require('./src/index')
      const Wxml2Canvas = __REQUIRE_DEFAULT__(__TEMP__)

      if (!exports.__esModule)
        Object.defineProperty(exports, '__esModule', { value: true })
      exports.default = Wxml2Canvas
    },
    (modId) => {
      const map = { './src/index': 1685064731947 }
      return __REQUIRE__(map[modId], modId)
    },
  )
  __DEFINE__(
    1685064731947,
    (require, module, exports) => {
      const __TEMP__ = require('./util')
      const Util = __REQUIRE_DEFAULT__(__TEMP__)

      const imageMode = [
        'scaleToFill',
        'aspectFit',
        'aspectFill',
        'widthFix',
        'top',
        'bottom',
        'center',
        'left',
        'right',
        'top left',
        'top right',
        'bottom left',
        'bottom right',
      ]

      class Wxml2Canvas {
        constructor(options = {}) {
          this.device = (wx.getSystemInfoSync && wx.getSystemInfoSync()) || {}

          if (!options.zoom) {
            this.zoom = this.device.windowWidth / 375
          }
          else {
            this.zoom = options.zoom || 1
          }

          this.element = options.element
          this.object = options.obj
          this.width = options.width * this.zoom || 0
          this.height = options.height * this.zoom || 0
          this.destZoom = options.destZoom || 3
          this.destWidth = this.width * this.destZoom
          this.destHeight = this.height * this.destZoom
          this.translateX = options.translateX * this.zoom || 0
          this.translateY = options.translateY * this.zoom || 0
          this.gradientBackground = options.gradientBackground || null
          this.background = options.background || '#ffffff'
          this.finishDraw = options.finish || function finish(params) {}
          this.errorHandler = options.error || function error(params) {}
          this.progress = options.progress || function progress(params) {}
          this.textAlign = options.textAlign || 'left'
          this.fullText = options.fullText || false
          this.font = options.font || '14px PingFang SC'

          this._init()
        }

        draw(data = {}, that) {
          const self = this
          this.data = data
          this.fef = that

          this.progress(10)
          this._preloadImage(data.list)
            .then((result) => {
              this.progress(30)
              self._draw()
            })
            .catch((res) => {
              self.errorHandler(res)
            })
        }

        measureWidth(text, font) {
          if (font) {
            this.ctx.font = font
          }
          const res = this.ctx.measureText(text) || {}
          return res.width || 0
        }

        _init() {
          this.progressPercent = 0 // 绘制进度百分比
          this.data = null
          this.ref = null
          this.allPic = []
          this.screenList = []
          this.asyncList = []
          this.imgUrl = ''
          this.progressPercent = 0
          this.distance = 0
          this.progress(0)

          this.ctx = wx.createCanvasContext(this.element, this.object)
          this.ctx.font = this.font
          this.ctx.setTextBaseline('top')
          this.ctx.setStrokeStyle('white')

          this.debug = this.device.platform === 'devtools'

          this._drawBakcground()
        }

        _drawBakcground() {
          if (this.gradientBackground) {
            const line = this.gradientBackground.line || [0, 0, 0, this.height]
            const color = this.gradientBackground.color || ['#fff', '#fff']
            const style = { fill: { line, color } }
            this._drawRectToCanvas(0, 0, this.width, this.height, style)
          }
          else {
            const style = { fill: this.background }
            this._drawRectToCanvas(0, 0, this.width, this.height, style)
          }
        }

        _draw() {
          const self = this
          let list = this.data.list || []
          let index = 0
          const all = []
          let count = 0

          list.forEach((item) => {
            if (item.type === 'wxml') {
              count += 3
            }
            else {
              count += 1
            }
          })

          this.distance = 60 / (count || 1) // 进度条的间距
          this.progressPercent = 30
          this.asyncList = list.filter(item => item.delay == true)
          list = list.filter(item => item.delay != true)
          drawList(list)

          Promise.all(all)
            .then((results) => {
              index = 0
              drawList(self.asyncList, true)

              Promise.all(all).then((results) => {
                self.progress(90)
                self._saveCanvasToImage()
              })
            })
            .catch((e) => {
              console.log(e)
              self.errorHandler(e)
            })

          function drawList(list = [], noDelay) {
            list.forEach((item, i) => {
              all[index++] = new Promise((resolve, reject) => {
                const attr = item.style
                item.progress = self.distance
                if (noDelay) {
                  item.delay = 0
                }
                if (item.type === 'radius-image') {
                  self._drawCircle(item, attr, resolve, reject, 'image')
                }
                else if (item.type === 'text') {
                  self._drawText(item, attr, resolve, reject)
                }
                else if (item.type === 'line') {
                  self._drawLine(item, attr, resolve, reject)
                }
                else if (item.type === 'circle') {
                  self._drawCircle(item, attr, resolve, reject)
                }
                else if (item.type === 'rect') {
                  self._drawRect(item, attr, resolve, reject)
                }
                else if (item.type === 'image') {
                  self._drawRect(item, attr, resolve, reject, 'image')
                }
                else if (item.type === 'wxml') {
                  self._drawWxml(item, attr, resolve, reject)
                }
                else {
                  resolve()
                }
              })
            })
          }
        }

        _saveCanvasToImage() {
          const self = this

          // 延时保存有两个原因，一个是等待绘制delay的元素，另一个是安卓上样式会错乱
          setTimeout(
            () => {
              self.progress(95)

              const obj = {
                x: 0,
                y: 0,
                width: self.width,
                height: self.height,
                canvasId: self.element,
                success(res) {
                  self.progress(100)
                  self.imgUrl = res.tempFilePath
                  self.finishDraw(self.imgUrl)
                },
                fail(res) {
                  self.errorHandler({ errcode: 1000, errmsg: 'save canvas error', e: res })
                },
              }

              if (self.destZoom !== 3) {
                obj.destWidth = self.destWidth
                obj.destHeight = self.destHeight
              }

              wx.canvasToTempFilePath(obj, self.object)
            },
            !self.device.system.includes('iOS') ? 300 : 100,
          )
        }

        _preloadImage(list = []) {
          const self = this
          const all = []
          let count = 0

          list.forEach((item, i) => {
            if (item.url && self._findPicIndex(item.url) === -1) {
              // 避免重复下载同一图片
              self.allPic.push({
                url: item.url,
                local: '',
              })
              all[count++] = new Promise((resolve, reject) => {
                // 非http(s)域名的就不下载了
                if (
                  !item.url.startsWith('http')
                  || /^http:\/\/(tmp)|(usr)\//.test(item.url)
                  || /^http:\/\/127\.0\.0\.1/.test(item.url)
                ) {
                  if (item.isBase64) {
                    const fileManager = wx.getFileSystemManager()

                    fileManager.writeFile({
                      filePath: item.url,
                      data: item.isBase64.replace(/data:image\/(.*);base64,/, ''),
                      encoding: 'base64',
                      success(res) {
                        imageInfo(item.url)
                      },
                      fail(res) {
                        reject(res)
                      },
                    })
                  }
                  else {
                    imageInfo(item.url)
                  }

                  function imageInfo(url) {
                    wx.getImageInfo({
                      src: url,
                      success(res) {
                        const index = self._findPicIndex(url)
                        if (index > -1) {
                          self.allPic[index].local = url
                          self.allPic[index].width = res.width
                          self.allPic[index].height = res.height
                        }
                        resolve({ tempFilePath: url })
                      },
                      fail(res) {
                        reject(res)
                      },
                    })
                  }
                }
                else {
                  wx.downloadFile({
                    url: item.url.replace(/^https?/, 'https'),
                    success(res) {
                      wx.getImageInfo({
                        src: res.tempFilePath,
                        success(img) {
                          const index = self._findPicIndex(item.url)
                          if (index > -1) {
                            self.allPic[index].local = res.tempFilePath
                            self.allPic[index].width = img.width
                            self.allPic[index].height = img.height
                          }
                          resolve(res)
                        },
                        fail(res) {
                          reject(res)
                        },
                      })
                    },
                    fail: (res) => {
                      reject({ errcode: 1001, errmsg: 'download pic error' })
                    },
                  })
                }
              })
            }
          })

          return Promise.all(all)
            .then((results) => {
              return new Promise((resolve) => {
                resolve()
              })
            })
            .catch((results) => {
              return new Promise((resolve, reject) => {
                reject(results)
              })
            })
        }

        _findPicIndex(url) {
          const index = this.allPic.findIndex(pic => pic.url === url)
          return index
        }

        _drawRect(item, style, resolve, reject, isImage, isWxml) {
          const zoom = this.zoom
          let leftOffset = 0
          const topOffset = 0
          let width = style.width
          let height = style.height
          let imgWidth = style.width
          let imgHeight = style.height
          let mode = null

          try {
            item.x = this._resetPositionX(item, style)
            item.y = this._resetPositionY(item, style)

            let url
            if (isImage) {
              const index = this._findPicIndex(item.url)
              if (index > -1) {
                url = this.allPic[index].local
                imgWidth = this.allPic[index].width
                imgHeight = this.allPic[index].height
              }
              else {
                url = item.url
              }
            }

            style.padding = style.padding || []
            if (isWxml === 'inline-wxml') {
              item.x = item.x + ((style.padding[3] && style.padding[3]) || 0)
              item.y = item.y + ((style.padding[0] && style.padding[0]) || 0)
            }

            leftOffset = item.x + style.width + ((style.padding[1] && style.padding[1]) || 0)

            if (!isWxml) {
              width = width * zoom
              height = height * zoom
            }

            if (style.dataset && style.dataset.mode && imageMode.includes(style.dataset.mode)) {
              mode = {
                type: style.dataset.mode,
                width: imgWidth,
                height: imgHeight,
              }
            }

            this._drawRectToCanvas(item.x, item.y, width, height, style, url, mode)
            this._updateProgress(item.progress)

            if (resolve) {
              resolve()
            }
            else {
              return {
                leftOffset,
                topOffset,
              }
            }
          }
          catch (e) {
            reject
            && reject({ errcode: isImage ? 1003 : 1002, errmsg: isImage ? 'drawImage error' : 'drawRect error', e })
          }
        }

        _drawRectToCanvas(x, y, width, height, style, url, mode) {
          const { fill, border, boxShadow } = style
          this.ctx.save()
          this._drawBoxShadow(boxShadow, (res) => {
            // 真机上填充渐变色时，没有阴影，先画个相等大小的纯色矩形来实现阴影
            if (fill && typeof fill !== 'string' && !this.debug) {
              this.ctx.setFillStyle(res.color || '#ffffff')
              this.ctx.fillRect(x, y, width, height)
            }
          })

          if (url) {
            // 开发者工具有bug，先不裁剪
            if (mode) {
              this._resetImageByMode(url, x, y, width, height, mode)
            }
            else {
              this.ctx.drawImage(url, x, y, width, height)
            }
          }
          else {
            this._setFill(fill, () => {
              this.ctx.fillRect(x, y, width, height)
            })
          }

          this._drawBorder(border, style, (border) => {
            const fixBorder = border.width
            this.ctx.strokeRect(x - fixBorder / 2, y - fixBorder / 2, width + fixBorder, height + fixBorder)
          })

          this.ctx.draw(true)
          this.ctx.restore()
          this.ctx.strokeStyle = '#fff'
        }

        _resetImageByMode(url, x, y, width, height, mode) {
          const self = this
          let offsetX = 0
          let offsetY = 0
          let imgWidth = mode.width
          let imgHeight = mode.height

          switch (mode.type) {
            case 'scaleToFill':
              imgWidth = width
              imgHeight = height
              self.ctx.drawImage(url, x, y, width, height)
              break
            case 'widthFix':
              height = width / ((imgWidth || 1) / (imgHeight || 1))
              self.ctx.drawImage(url, x, y, width, height)
              break
            case 'aspectFit':
              if (imgWidth > imgHeight) {
                const realHeight = width / ((imgWidth || 1) / (imgHeight || 1))
                offsetY = -(height - realHeight) / 2
                imgWidth = width
                imgHeight = realHeight
              }
              else {
                const realWidth = height / ((imgHeight || 1) / (imgWidth || 1))
                offsetX = -(width - realWidth) / 2
                imgWidth = realWidth
                imgHeight = height
              }

              _clip()
              break
            case 'aspectFill':
              if (imgWidth > imgHeight) {
                const realWidth = imgWidth / ((imgHeight || 1) / (height || 1))
                offsetX = (realWidth - width) / 2
                imgWidth = realWidth
                imgHeight = height
              }
              else {
                const realHeight = imgHeight / ((imgWidth || 1) / (width || 1))
                offsetY = (realHeight - height) / 2
                imgWidth = width
                imgHeight = realHeight
              }

              _clip()
              break
            case 'top left':
              _clip()
              break
            case 'top':
              offsetX = (mode.width - width) / 2
              _clip()
              break
            case 'top right':
              offsetX = mode.width - width
              _clip()
              break
            case 'left':
              offsetY = (mode.height - height) / 2
              _clip()
              break
            case 'center':
              offsetX = (mode.width - width) / 2
              offsetY = (mode.height - height) / 2
              _clip()
              break
            case 'right':
              offsetX = mode.width - width
              offsetY = (mode.height - height) / 2
              _clip()
              break
            case 'bottom left':
              offsetY = mode.height - height
              _clip()
              break
            case 'bottom':
              offsetX = (mode.width - width) / 2
              offsetY = mode.height - height
              _clip()
              break
            case 'bottom right':
              offsetX = mode.width - width
              offsetY = mode.height - height
              _clip()
              break
            default:
              imgWidth = width
              imgHeight = height
              break
          }

          function _clip() {
            self.ctx.save()
            self.ctx.beginPath()
            self.ctx.rect(x, y, width, height)
            self.ctx.clip()
            self.ctx.drawImage(url, x - offsetX, y - offsetY, imgWidth, imgHeight)
            self.ctx.closePath()
            self.ctx.restore()
          }
        }

        _drawText(item, style, resolve, reject, type, isWxml) {
          const zoom = this.zoom
          let leftOffset = 0
          let topOffset = 0

          try {
            style.fontSize = this._parseNumber(style.fontSize)
            const fontSize = Math.ceil((style.fontSize || 14) * zoom)
            this.ctx.setTextBaseline('top')
            this.ctx.font = `${style.fontWeight ? style.fontWeight : 'normal'} ${fontSize}px ${
              style.fontFamily || 'PingFang SC'
            }`
            this.ctx.setFillStyle(style.color || '#454545')

            let text = item.text || ''
            let textWidth = Math.floor(this.measureWidth(text, style.font || this.ctx.font))
            const lineHeight = this._getLineHeight(style)
            const textHeight = Math.ceil(textWidth / (style.width || textWidth)) * lineHeight
            let width = Math.ceil((style.width || textWidth) * (!isWxml ? zoom : 1))
            const whiteSpace = style.whiteSpace || 'wrap'
            let x = 0
            let y = 0

            if (typeof style.padding === 'string') {
              style.padding = Util.transferPadding(style.padding)
            }
            item.x = this._resetPositionX(item, style)
            item.y = this._resetPositionY(item, style, textHeight)
            this._drawBoxShadow(style.boxShadow)

            if (style.background || style.border) {
              this._drawTextBackgroud(item, style, textWidth, textHeight, isWxml)
            }

            // 行内文本
            if (type === 'inline-text') {
              width = item.maxWidth
              if (item.leftOffset + textWidth > width) {
                // 如果上一个行内元素换行了，这个元素要继续在后面补足一行
                let lineNum = Math.max(Math.floor(textWidth / width), 1)
                const length = text.length
                const singleLength = Math.floor(length / lineNum)
                const widthOffset = item.leftOffset ? item.leftOffset - item.originX : 0
                let {
                  endIndex: currentIndex,
                  single,
                  singleWidth,
                } = this._getTextSingleLine(text, width, singleLength, 0, widthOffset)
                x = this._resetTextPositionX(item, style, singleWidth)
                y = this._resetTextPositionY(item, style)
                this.ctx.fillText(single, x, y)
                leftOffset = x + singleWidth
                topOffset = y

                // 去除第一行补的内容，然后重置
                text = text.substring(currentIndex, text.length)
                currentIndex = 0
                lineNum = Math.max(Math.floor(textWidth / width), 1)
                textWidth = Math.floor(this.measureWidth(text, style.font || this.ctx.font))
                item.x = item.originX // 还原换行后的x
                for (let i = 0; i < lineNum; i++) {
                  const { endIndex, single, singleWidth } = this._getTextSingleLine(
                    text,
                    width,
                    singleLength,
                    currentIndex,
                  )
                  currentIndex = endIndex
                  if (single) {
                    x = this._resetTextPositionX(item, style, singleWidth, width)
                    y = this._resetTextPositionY(item, style, i + 1)
                    this.ctx.fillText(single, x, y)
                    if (i === lineNum - 1) {
                      leftOffset = x + singleWidth
                      topOffset = lineHeight * lineNum
                    }
                  }
                }

                const last = text.substring(currentIndex, length)
                const lastWidth = this.measureWidth(last)

                if (last) {
                  x = this._resetTextPositionX(item, style, lastWidth, width)
                  y = this._resetTextPositionY(item, style, lineNum + 1)
                  this.ctx.fillText(last, x, y)
                  leftOffset = x + lastWidth
                  topOffset = lineHeight * (lineNum + 1)
                }
              }
              else {
                x = this._resetTextPositionX(item, style, textWidth, width)
                y = this._resetTextPositionY(item, style)
                this.ctx.fillText(item.text, x, y)
                leftOffset = x + textWidth
                topOffset = lineHeight
              }
            }
            else {
              // block文本，如果文本长度超过宽度换行
              if (width && textWidth > width && whiteSpace !== 'nowrap') {
                let lineNum = Math.max(Math.floor(textWidth / width), 1)
                const length = text.length
                const singleLength = Math.floor(length / lineNum)
                let currentIndex = 0

                // lineClamp参数限制最多行数
                if (style.lineClamp && lineNum + 1 > style.lineClamp) {
                  lineNum = style.lineClamp - 1
                }

                for (let i = 0; i < lineNum; i++) {
                  const { endIndex, single, singleWidth } = this._getTextSingleLine(
                    text,
                    width,
                    singleLength,
                    currentIndex,
                  )
                  currentIndex = endIndex
                  x = this._resetTextPositionX(item, style, singleWidth, width)
                  y = this._resetTextPositionY(item, style, i)
                  this.ctx.fillText(single, x, y)
                }

                // 换行后剩余的文字，超过一行则截断增加省略号
                let last = text.substring(currentIndex, length)
                let lastWidth = this.measureWidth(last)
                if (lastWidth > width) {
                  const { single, singleWidth } = this._getTextSingleLine(last, width, singleLength)
                  lastWidth = singleWidth
                  last = `${single.substring(0, single.length - 1)}...`
                }

                x = this._resetTextPositionX(item, style, lastWidth, width)
                y = this._resetTextPositionY(item, style, lineNum)
                this.ctx.fillText(last, x, y)
              }
              else {
                x = this._resetTextPositionX(item, style, textWidth, width)
                y = this._resetTextPositionY(item, style)
                this.ctx.fillText(item.text, x, y)
              }
            }

            this.ctx.draw(true)

            this._updateProgress(item.progress)

            if (resolve) {
              resolve()
            }
            else {
              return {
                leftOffset,
                topOffset,
              }
            }
          }
          catch (e) {
            reject && reject({ errcode: 1004, errmsg: 'drawText error', e })
          }
        }

        _drawTextBackgroud(item, style, textWidth, textHeight, isWxml) {
          if (!style.width)
            return
          const zoom = isWxml ? 1 : this.zoom
          let width = style.width || textWidth
          let height = style.height || textHeight
          const rectStyle = {
            fill: style.background,
            border: style.border,
          }
          style.padding = style.padding || [0, 0, 0, 0]
          width += (style.padding[1] || 0) + (style.padding[3] || 0)
          height += (style.padding[0] || 0) + (style.padding[2] || 0)
          width = width * zoom
          height = height * zoom
          this._drawRectToCanvas(item.x, item.y, width, height, rectStyle)
        }

        _drawCircle(item, style, resolve, reject, isImage, isWxml) {
          const zoom = this.zoom
          let r = style.r
          try {
            item.x = this._resetPositionX(item, style)
            item.y = this._resetPositionY(item, style)

            let url
            if (isImage) {
              const index = this._findPicIndex(item.url)
              if (index > -1) {
                url = this.allPic[index].local
              }
              else {
                url = item.url
              }
            }

            if (!isWxml) {
              r = r * zoom
            }

            this._drawCircleToCanvas(item.x, item.y, r, style, url)

            this._updateProgress(item.progress)
            resolve && resolve()
          }
          catch (e) {
            reject
            && reject({
              errcode: isImage ? 1006 : 1005,
              errmsg: isImage ? 'drawCircleImage error' : 'drawCircle error',
              e,
            })
          }
        }

        _drawCircleToCanvas(x, y, r, style, url) {
          const { fill, border, boxShadow } = style

          this.ctx.save()

          this._drawBoxShadow(boxShadow, (res) => {
            // 真机上填充渐变色时，没有阴影，先画个相等大小的纯色矩形来实现阴影
            if ((fill && typeof fill !== 'string') || (url && res.color)) {
              this.ctx.setFillStyle(res.color || '#ffffff')
              this.ctx.beginPath()
              this.ctx.arc(x + r, y + r, r, 0, 2 * Math.PI)
              this.ctx.closePath()
              this.ctx.fill()
            }
          })

          if (url) {
            this.ctx.save()
            this.ctx.beginPath()
            this.ctx.arc(x + r, y + r, r, 0, 2 * Math.PI)
            this.ctx.clip()
            this.ctx.drawImage(url, x, y, r * 2, r * 2)
            this.ctx.closePath()
            this.ctx.restore()
          }
          else {
            this._setFill(fill, () => {
              this.ctx.beginPath()
              this.ctx.arc(x + r, y + r, r, 0, 2 * Math.PI)
              this.ctx.closePath()
              this.ctx.fill()
            })
          }

          this._drawBorder(border, style, (border) => {
            this.ctx.beginPath()
            this.ctx.arc(x + r, y + r, r + border.width / 2, 0, 2 * Math.PI)
            this.ctx.stroke()
            this.ctx.closePath()
          })

          this.ctx.draw(true)
          this.ctx.restore()
        }

        _drawLine(item, style, resolve, reject, isWxml) {
          const zoom = this.zoom
          try {
            const x1 = item.x * zoom + this.translateX
            const y1 = item.y * zoom + this.translateY
            const x2 = item.x2 * zoom + this.translateX
            const y2 = item.y2 * zoom + this.translateY
            this._drawLineToCanvas(x1, y1, x2, y2, style)

            this._updateProgress(item.progress)
            resolve && resolve()
          }
          catch (e) {
            reject && reject({ errcode: 1007, errmsg: 'drawLine error', e })
          }
        }

        _drawLineToCanvas(x1, y1, x2, y2, style) {
          const { stroke, dash, boxShadow } = style

          this.ctx.save()
          if (stroke) {
            this._setStroke(stroke)
          }

          this._drawBoxShadow(boxShadow)

          if (dash) {
            const dash = [style.dash[0] || 5, style.dash[1] || 5]
            const offset = style.dash[2] || 0
            this.ctx.setLineDash(dash, offset || 0)
          }

          this.ctx.moveTo(x1, y1)
          this.ctx.setLineWidth((style.width || 1) * this.zoom)
          this.ctx.lineTo(x2, y2)
          this.ctx.stroke()
          this.ctx.draw(true)
          this.ctx.restore()
        }

        // 废弃，合并到_drawRect
        _drawImage(item, style, resolve, reject, isWxml) {
          const zoom = this.zoom
          try {
            item.x = this._resetPositionX(item, style)
            item.y = this._resetPositionY(item, style)
            item.x = item.x + (style.padding[3] || 0)
            item.y = item.y + (style.padding[0] || 0)

            const index = this._findPicIndex(item.url)
            const url = index > -1 ? this.allPic[index].local : item.url
            this._drawImageToCanvas(url, item.x, item.y, style.width * zoom, style.height * zoom, style)

            this._updateProgress(item.progress)
            resolve && resolve()
          }
          catch (e) {
            reject && reject({ errcode: 1012, errmsg: 'drawRect error', e })
          }
        }

        // 废弃，合并到_drawRect
        _drawImageToCanvas(url, x, y, width, height, style) {
          const { fill, border, boxShadow } = style
          this.ctx.save()

          this._drawBoxShadow(boxShadow)
          this.ctx.drawImage(url, x, y, width, height)

          this._drawBorder(border, style, (border) => {
            const fixBorder = border.width
            this.ctx.strokeRect(x - fixBorder / 2, y - fixBorder / 2, width + fixBorder, height + fixBorder)
          })
          this.ctx.draw(true)
          this.ctx.restore()
        }

        _drawWxml(item, style, resolve, reject) {
          const self = this
          let all = []
          try {
            this._getWxml(item, style).then((results) => {
              // 上 -> 下
              const sorted = self._sortListByTop(results[0])
              let count = 0
              let progress = 0
              Object.keys(sorted).forEach((item) => {
                count += sorted[item].length
              })
              progress = (this.distance * 3) / (count || 1)

              all = this._drawWxmlBlock(item, sorted, all, progress, results[1])
              all = this._drawWxmlInline(item, sorted, all, progress, results[1])

              Promise.all(all)
                .then((results) => {
                  resolve && resolve()
                })
                .catch((e) => {
                  reject && reject(e)
                })
            })
          }
          catch (e) {
            reject && reject({ errcode: 1008, errmsg: 'drawWxml error' })
          }
        }

        _drawWxmlBlock(item, sorted, all, progress, results) {
          const self = this
          // 用来限定位置范围，取相对位置
          const limitLeft = results ? results.left : 0
          const limitTop = results ? results.top : 0
          Object.keys(sorted).forEach((top, topIndex) => {
            // 左 -> 右
            let list = sorted[top].sort((a, b) => {
              return a.left - b.left
            })

            list = list.filter(sub => sub.dataset.type && !sub.dataset.type.includes('inline'))

            list.forEach((sub, index) => {
              all[index] = new Promise((resolve2, reject2) => {
                sub = self._transferWxmlStyle(sub, item, limitLeft, limitTop)
                sub.progress = progress
                const type = sub.dataset.type
                if (sub.dataset.delay) {
                  setTimeout(() => {
                    drawWxmlItem()
                  }, sub.dataset.delay)
                }
                else {
                  drawWxmlItem()
                }
                function drawWxmlItem() {
                  if (type === 'text') {
                    self._drawWxmlText(sub, resolve2, reject2)
                  }
                  else if (type === 'image') {
                    self._drawWxmlImage(sub, resolve2, reject2)
                  }
                  else if (type === 'radius-image') {
                    self._drawWxmlCircleImage(sub, resolve2, reject2)
                  }
                  else if (type === 'background-image') {
                    self._drawWxmlBackgroundImage(sub, resolve2, reject2)
                  }
                }
              })
            })
          })

          return all
        }

        _drawWxmlInline(item, sorted, all, progress, results) {
          const self = this
          let topOffset = 0
          let leftOffset = 0
          let lastTop = 0
          const limitLeft = results ? results.left : 0
          const limitTop = results ? results.top : 0
          const p = new Promise((resolve2, reject2) => {
            let maxWidth = 0
            let minLeft = Infinity
            let maxRight = 0

            // 找出同一top下的最小left和最大right，得到最大的宽度，用于换行
            Object.keys(sorted).forEach((top) => {
              const inlineList = sorted[top].filter(sub => sub.dataset.type && sub.dataset.type.includes('inline'))
              inlineList.forEach((sub) => {
                if (sub.left < minLeft) {
                  minLeft = sub.left
                }
                if (sub.right > maxRight) {
                  maxRight = sub.right
                }
              })
            })
            maxWidth = Math.ceil(maxRight - minLeft || self.width)

            Object.keys(sorted).forEach((top, topIndex) => {
              // 左 -> 右
              const list = sorted[top].sort((a, b) => {
                return a.left - b.left
              })

              // 换行的行内元素left放到后面，version2.0.6后无法获取高度，改用bottom值来判断是否换行了
              let position = -1
              for (let i = 0, len = list.length; i < len; i++) {
                if (list[i] && list[i + 1]) {
                  if (list[i].bottom > list[i + 1].bottom) {
                    position = i
                    break
                  }
                }
              }

              if (position > -1) {
                list.push(list.splice(position, 1)[0])
              }

              const inlineList = list.filter(sub => sub.dataset.type && sub.dataset.type.includes('inline'))
              const originLeft = inlineList[0] ? inlineList[0].left : 0
              // 换行后和top不相等时，认为是换行了，要清除左边距；当左偏移量大于最大宽度时，也要清除左边距; 当左偏移小于左边距时，也要清除
              if (
                Math.abs(topOffset + lastTop - top) > 2
                || leftOffset - originLeft - limitLeft >= maxWidth
                || leftOffset <= originLeft - limitLeft - 2
              ) {
                leftOffset = 0
              }

              lastTop = +top
              topOffset = 0

              inlineList.forEach((sub, index) => {
                sub = self._transferWxmlStyle(sub, item, limitLeft, limitTop)
                sub.progress = progress
                const type = sub.dataset.type
                if (type === 'inline-text') {
                  const drawRes = self._drawWxmlInlineText(sub, leftOffset, maxWidth)
                  leftOffset = drawRes.leftOffset
                  topOffset = drawRes.topOffset
                }
                else if (type === 'inline-image') {
                  const drawRes = self._drawWxmlImage(sub) || {}
                  leftOffset = drawRes.leftOffset || 0
                  topOffset = drawRes.topOffset || 0
                }
              })
            })
            resolve2()
          })

          all.push(p)
          return all
        }

        _drawWxmlInlineText(sub, leftOffset = 0, maxWidth) {
          let text = sub.dataset.text || ''
          if (sub.dataset.maxlength && text.length > sub.dataset.maxlength) {
            text = `${text.substring(0, sub.dataset.maxlength)}...`
          }

          const textData = {
            text,
            originX: sub.left,
            x: leftOffset || sub.left,
            y: sub.top,
            progress: sub.progress,
            leftOffset,
            maxWidth, // 行内元素的最大宽度，取决于limit的宽度
          }

          if (sub.backgroundColor !== 'rgba(0, 0, 0, 0)') {
            sub.background = sub.backgroundColor
          }
          else {
            sub.background = 'rgba(0, 0, 0, 0)'
          }

          if (sub.dataset.background) {
            sub.background = sub.dataset.background
          }

          const res = this._drawText(textData, sub, null, null, 'inline-text', 'wxml')

          return res
        }

        _drawWxmlText(sub, resolve, reject) {
          let text = sub.dataset.text || ''
          if (sub.dataset.maxlength && text.length > sub.dataset.maxlength) {
            text = `${text.substring(0, sub.dataset.maxlength)}...`
          }

          const textData = {
            text,
            x: sub.left,
            y: sub.top,
            progress: sub.progress,
          }
          if (sub.backgroundColor !== 'rgba(0, 0, 0, 0)') {
            sub.background = sub.backgroundColor
          }
          else {
            sub.background = 'rgba(0, 0, 0, 0)'
          }

          if (sub.dataset.background) {
            sub.background = sub.dataset.background
          }

          this._drawText(textData, sub, resolve, reject, 'text', 'wxml')
        }

        _drawWxmlImage(sub, resolve, reject) {
          const imageData = {
            url: sub.dataset.url,
            x: sub.left,
            y: sub.top,
            progress: sub.progress,
          }

          const res = this._drawRect(imageData, sub, resolve, reject, 'image', 'inline-wxml')

          return res
        }

        _drawWxmlCircleImage(sub, resolve, reject) {
          const imageData = {
            url: sub.dataset.url,
            x: sub.left,
            y: sub.top,
            progress: sub.progress,
          }
          sub.r = sub.width / 2

          this._drawCircle(imageData, sub, resolve, reject, true, 'wxml')
        }

        _drawWxmlBackgroundImage(sub, resolve, reject) {
          let url = sub.dataset.url
          const index = this._findPicIndex(url)
          url = index > -1 ? this.allPic[index].local : url
          const size = sub.backgroundSize.replace(/px/g, '').split(' ')

          const imageData = {
            url,
            x: sub.left,
            y: sub.top,
            progress: sub.progress,
          }

          this._drawRect(imageData, sub, resolve, reject, 'image', 'wxml')
        }

        _getWxml(item, style) {
          const self = this
          let query
          // if (this.obj) {
          //   query = wx.createSelectorQuery().in(this.obj);
          // } else {
          //   query = wx.createSelectorQuery();
          // }
          if (this.object) {
            query = wx.createSelectorQuery().in(this.object)
          }
          else {
            query = wx.createSelectorQuery()
          }

          const p1 = new Promise((resolve, reject) => {
            // 会触发两次，要限制
            let count = 0
            query
              .selectAll(`${item.class}`)
              .fields(
                {
                  dataset: true,
                  size: true,
                  rect: true,
                  computedStyle: [
                    'width',
                    'height',
                    'font',
                    'fontSize',
                    'fontFamily',
                    'fontWeight',
                    'fontStyle',
                    'textAlign',
                    'color',
                    'lineHeight',
                    'border',
                    'borderColor',
                    'borderStyle',
                    'borderWidth',
                    'verticalAlign',
                    'boxShadow',
                    'background',
                    'backgroundColor',
                    'backgroundImage',
                    'backgroundPosition',
                    'backgroundSize',
                    'paddingLeft',
                    'paddingTop',
                    'paddingRight',
                    'paddingBottom',
                  ],
                },
                (res) => {
                  if (count++ === 0) {
                    const formated = self._formatImage(res)
                    const list = formated.list
                    res = formated.res

                    self
                      ._preloadImage(list)
                      .then((result) => {
                        resolve(res)
                      })
                      .catch((res) => {
                        reject && reject({ errcode: 1009, errmsg: 'drawWxml preLoadImage error' })
                      })
                  }
                },
              )
              .exec()
          })

          const p2 = new Promise((resolve, reject) => {
            if (!item.limit) {
              resolve({ top: 0, width: self.width / self.zoom })
            }

            query
              .select(`${item.limit}`)
              .fields(
                {
                  dataset: true,
                  size: true,
                  rect: true,
                },
                (res) => {
                  resolve(res)
                },
              )
              .exec()
          })

          return Promise.all([p1, p2])
        }

        _getLineHeight(style) {
          let zoom = this.zoom
          if (style.dataset && style.dataset.type) {
            zoom = 1
          }
          let lineHeight
          if (!isNaN(style.lineHeight) && style.lineHeight > style.fontSize) {
            lineHeight = style.lineHeight
          }
          else {
            style.lineHeight = `${style.lineHeight || ''}`
            lineHeight = +style.lineHeight.replace('px', '')
            lineHeight = lineHeight || (style.fontSize || 14) * 1.2
          }
          return lineHeight * zoom
        }

        _formatImage(res = []) {
          const list = []
          res.forEach((item, index) => {
            const dataset = item.dataset
            const uid = Util.getUid()
            const filename = `${wx.env.USER_DATA_PATH}/${uid}.png`
            if ((dataset.type === 'image' || dataset.type === 'radius-image') && dataset.url) {
              const sub = {
                url: dataset.base64 ? filename : dataset.url,
                isBase64: dataset.base64 ? dataset.url : false,
              }

              res[index].dataset = Object.assign(res[index].dataset, sub)
              list.push(sub)
            }
            else if (dataset.type === 'background-image' && item.backgroundImage.includes('url')) {
              const url = item.backgroundImage.replace(/url\(("|')?/, '').replace(/("|')?\)$/, '')
              const sub = {
                url: dataset.base64 ? filename : url,
                isBase64: dataset.base64 ? url : false,
              }
              res[index].dataset = Object.assign(res[index].dataset, sub)
              list.push(sub)
            }
          })

          return { list, res }
        }

        _updateProgress(distance) {
          this.progressPercent += distance
          this.progress(this.progressPercent)
        }

        _sortListByTop(list = []) {
          const sorted = {}

          // 粗略地认为2px相差的元素在同一行
          list.forEach((item, index) => {
            let top = item.top
            if (!sorted[top]) {
              if (sorted[top - 2]) {
                top = top - 2
              }
              else if (sorted[top - 1]) {
                top = top - 1
              }
              else if (sorted[top + 1]) {
                top = top + 1
              }
              else if (sorted[top + 2]) {
                top = top + 2
              }
              else {
                sorted[top] = []
              }
            }
            sorted[top].push(item)
          })

          return sorted
        }

        _parseNumber(number) {
          return isNaN(number) ? +(number || '').replace('px', '') : number
        }

        _transferWxmlStyle(sub, item, limitLeft, limitTop) {
          const leftFix = +sub.dataset.left || 0
          const topFix = +sub.dataset.top || 0

          sub.width = this._parseNumber(sub.width)
          sub.height = this._parseNumber(sub.height)
          sub.left = this._parseNumber(sub.left) - limitLeft + (leftFix + (item.x || 0)) * this.zoom
          sub.top = this._parseNumber(sub.top) - limitTop + (topFix + (item.y || 0)) * this.zoom

          let padding = sub.dataset.padding || '0 0 0 0'
          if (typeof padding === 'string') {
            padding = Util.transferPadding(padding)
          }
          const paddingTop = Number(sub.paddingTop.replace('px', '')) + Number(padding[0])
          const paddingRight = Number(sub.paddingRight.replace('px', '')) + Number(padding[1])
          const paddingBottom = Number(sub.paddingBottom.replace('px', '')) + Number(padding[2])
          const paddingLeft = Number(sub.paddingLeft.replace('px', '')) + Number(padding[3])
          sub.padding = [paddingTop, paddingRight, paddingBottom, paddingLeft]

          return sub
        }

        /**
         * 支持负值绘制，从右边计算
         * @param {*} item
         * @param {*} style
         */
        _resetPositionX(item, style) {
          let zoom = this.zoom
          let x = 0

          if (style.dataset && style.dataset.type) {
            zoom = 1
          }

          // 通过wxml获取的不需要重置坐标
          if (item.x < 0 && item.type) {
            x = this.width + item.x * zoom - style.width * zoom
          }
          else {
            x = item.x * zoom
          }

          if (Number.parseInt(style.borderWidth)) {
            x += Number.parseInt(style.borderWidth)
          }

          return x + this.translateX
        }

        /**
         * 支持负值绘制，从底部计算
         * @param {*} item
         * @param {*} style
         */
        _resetPositionY(item, style, textHeight) {
          let zoom = this.zoom
          let y = 0

          if (style.dataset && style.dataset.type) {
            zoom = 1
          }

          if (item.y < 0) {
            y = this.height + item.y * zoom - (textHeight || style.height * zoom)
          }
          else {
            y = item.y * zoom
          }

          if (Number.parseInt(style.borderWidth)) {
            y += Number.parseInt(style.borderWidth)
          }

          return y + this.translateY
        }

        /**
         * 文字的padding、text-align
         * @param {*} item
         * @param {*} style
         * @param {*} textWidth
         */
        _resetTextPositionX(item, style, textWidth, width) {
          const textAlign = style.textAlign || 'left'
          let x = item.x
          if (textAlign === 'center') {
            x = (width - textWidth) / 2 + item.x
          }
          else if (textAlign === 'right') {
            x = width - textWidth + item.x
          }

          const left = style.padding ? style.padding[3] || 0 : 0

          return x + left + this.translateX
        }

        /**
         * 文字的padding、text-align
         * @param {*} item
         * @param {*} style
         * @param {*} textWidth
         */
        _resetTextPositionY(item, style, lineNum = 0) {
          let zoom = this.zoom
          if (style.dataset && style.dataset.type) {
            zoom = 1
          }

          const lineHeight = this._getLineHeight(style)
          const fontSize = Math.ceil((style.fontSize || 14) * zoom)

          const blockLineHeightFix
            = ((style.dataset && style.dataset.type) || '').includes('inline') ? 0 : (lineHeight - fontSize) / 2

          const top = style.padding ? style.padding[0] || 0 : 0

          // y + lineheight偏移 + 行数 + paddingTop + 整体画布位移
          return item.y + blockLineHeightFix + lineNum * lineHeight + top + this.translateY
        }

        /**
         * 当文本超过宽度时，计算每一行应该绘制的文本
         * @param {*} text
         * @param {*} width
         * @param {*} singleLength
         * @param {*} currentIndex
         * @param {*} widthOffset
         */
        _getTextSingleLine(text, width, singleLength, currentIndex = 0, widthOffset = 0) {
          let offset = 0
          let endIndex = currentIndex + singleLength + offset
          let single = text.substring(currentIndex, endIndex)
          let singleWidth = this.measureWidth(single)

          while (Math.round(widthOffset + singleWidth) > width) {
            offset--
            endIndex = currentIndex + singleLength + offset
            single = text.substring(currentIndex, endIndex)
            singleWidth = this.measureWidth(single)
          }

          return {
            endIndex,
            single,
            singleWidth,
          }
        }

        _drawBorder(border, style, callback) {
          let zoom = this.zoom
          if (style.dataset && style.dataset.type) {
            zoom = 1
          }
          border = Util.transferBorder(border)

          if (border && border.width) {
            // 空白阴影，清空掉边框的阴影
            this._drawBoxShadow()
            if (border) {
              this.ctx.setLineWidth(border.width * zoom)

              if (border.style === 'dashed') {
                const dash = style.dash || [5, 5, 0]
                const offset = dash[2] || 0
                const array = [dash[0] || 5, dash[1] || 5]
                this.ctx.setLineDash(array, offset)
              }
              this.ctx.setStrokeStyle(border.color)
            }
            callback && callback(border)
          }
        }

        _drawBoxShadow(boxShadow, callback) {
          boxShadow = Util.transferBoxShadow(boxShadow)
          if (boxShadow) {
            this.ctx.setShadow(boxShadow.offsetX, boxShadow.offsetY, boxShadow.blur, boxShadow.color)
          }
          else {
            this.ctx.setShadow(0, 0, 0, '#ffffff')
          }

          callback && callback(boxShadow || {})
        }

        _setFill(fill, callback) {
          if (fill) {
            if (typeof fill === 'string') {
              this.ctx.setFillStyle(fill)
            }
            else {
              const line = fill.line
              const color = fill.color
              const grd = this.ctx.createLinearGradient(line[0], line[1], line[2], line[3])
              grd.addColorStop(0, color[0])
              grd.addColorStop(1, color[1])
              this.ctx.setFillStyle(grd)
            }
            callback && callback()
          }
        }

        _setStroke(stroke, callback) {
          if (stroke) {
            if (typeof stroke === 'string') {
              this.ctx.setStrokeStyle(stroke)
            }
            else {
              const line = stroke.line
              const color = stroke.color
              const grd = this.ctx.createLinearGradient(line[0], line[1], line[2], line[3])
              grd.addColorStop(0, color[0])
              grd.addColorStop(1, color[1])
              this.ctx.setStrokeStyle(grd)
            }

            callback && callback()
          }
        }
      }

      if (!exports.__esModule)
        Object.defineProperty(exports, '__esModule', { value: true })
      exports.default = Wxml2Canvas
    },
    (modId) => {
      const map = { './util': 1685064731948 }
      return __REQUIRE__(map[modId], modId)
    },
  )
  __DEFINE__(
    1685064731948,
    (require, module, exports) => {
      /**
       * 获取字符的长度，full为true时，一个汉字算两个长度
       * @param {string} str
       * @param {boolean} full
       */

      function getTextLength(str, full) {
        let len = 0
        for (let i = 0; i < str.length; i++) {
          const c = str.charCodeAt(i)
          // 单字节加1
          if ((c >= 0x0001 && c <= 0x007E) || (c >= 0xFF60 && c <= 0xFF9F)) {
            len++
          }
          else {
            len += full ? 2 : 1
          }
        }
        return len
      }

      /**
       * rgba(255, 255, 255, 1) => #ffffff
       * @param {string} color
       */
      function transferColor(color = '') {
        let res = '#'
        color = color.replace(/^rgba?\(/, '').replace(/\)$/, '')
        color = color.split(', ')

        color.length > 3 ? (color.length = 3) : ''
        for (let item of color) {
          item = Number.parseInt(item || 0)
          if (item < 10) {
            res += `0${item}`
          }
          else {
            res += item.toString(16)
          }
        }

        return res
      }

      function transferBorder(border = '') {
        const res = border.match(/(\w+)px\s(\w+)\s(.*)/)
        let obj = {}

        if (res) {
          obj = {
            width: +res[1],
            style: res[2],
            color: res[3],
          }
        }

        return res ? obj : null
      }

      /**
       * 内边距，依次为上右下左
       * @param {*} padding
       */
      function transferPadding(padding = '0 0 0 0') {
        padding = padding.split(' ')
        for (let i = 0, len = padding.length; i < len; i++) {
          padding[i] = +padding[i].replace('px', '')
        }

        return padding
      }
      /**
       * type1: 0, 25, 17, rgba(0, 0, 0, 0.3)
       * type2: rgba(0, 0, 0, 0.3) 0px 25px 17px 0px => (0, 25, 17, rgba(0, 0, 0, 0.3))
       * @param {*} shadow
       */
      function transferBoxShadow(shadow = '', type) {
        if (!shadow || shadow === 'none')
          return
        let color
        let split

        split = shadow.match(/(\w+)\s(\w+)\s(\w+)\s(rgb.*)/)

        if (split) {
          split.shift()
          shadow = split
          color = split[3] || '#ffffff'
        }
        else {
          split = shadow.split(') ')
          color = `${split[0]})`
          shadow = split[1].split('px ')
        }

        return {
          offsetX: +shadow[0] || 0,
          offsetY: +shadow[1] || 0,
          blur: +shadow[2] || 0,
          color,
        }
      }

      function getUid(prefix) {
        prefix = prefix || ''

        return (
          prefix
          + 'xxyxxyxx'.replace(/[xy]/g, (c) => {
            const r = (Math.random() * 16) | 0
            const v = c === 'x' ? r : (r & 0x3) | 0x8
            return v.toString(16)
          })
        )
      }

      if (!exports.__esModule)
        Object.defineProperty(exports, '__esModule', { value: true })
      exports.default = {
        getTextLength,
        transferBorder,
        transferColor,
        transferPadding,
        transferBoxShadow,
        getUid,
      }
    },
    (modId) => {
      const map = {}
      return __REQUIRE__(map[modId], modId)
    },
  )
  return __REQUIRE__(1685064731946)
})()
// miniprogram-npm-outsideDeps=[]
// # sourceMappingURL=index.js.map