# OCR detection

const session = wx.createVKSession({
  track: {
    OCR: { mode: 2 } // mode: 1 - 使用摄像头；2 - 手动传入图像
  },
})

// In static image detection mode, every time the runOCR interface is tuned, an updateAnchors event is triggered.
session.on('updateAnchors', anchors => {
  console.log('anchors.text', "".concat(anchors.map(anchor=>anchor.text)))
})

// You need to call start once to start
session.start(errno => {
  if (errno) {
    // 如果失败，将返回 errno
  } else {
    // 否则，返回null，表示成功
    session.runOCR({
      frameBuffer, // 图片 ArrayBuffer 数据。待检测图像的像素点数据，每四项表示一个像素点的 RGBA
      width, // 图像宽度
      height, // 图像高度
    })
  }
})

const session = wx.createVKSession({
  track: {
    OCR: { mode: 1 } // mode: 1 - 使用摄像头；2 - 手动传入图像
  },
})

// The updateAnchors event is triggered continuously (once per frame) when text is detected in the camera's real-time detection mode.
session.on('updateAnchors', anchors => {
  console.log('anchors.text',"".concat(anchors.map(anchor=>anchor.text)))
})

// The removeAnchors event is triggered when the text area leaves the camera
session.on('removeAnchors', () => {
  console.log('removeAnchors')
})

// You need to call start once to start
session.start(errno => {
  if (errno) {
    // 如果失败，将返回 errno
  } else {
    // 否则，返回null，表示成功
  }
})