ekuiper-new/etc/functions/thumbnail.json

{
	"about": {
		"trial": false,
		"author": {
			"name": "EMQ",
			"email": "contact@emqx.io",
			"company": "EMQ Technologies Co., Ltd",
			"website": "https://www.emqx.io"
		},
		"helpUrl": {
      "en_US": "https://github.com/emqx/kuiper/blob/master/docs/en_US/plugins/functions/functions.md",
      "zh_CN": "https://github.com/emqx/kuiper/blob/master/docs/zh_CN/plugins/functions/functions.md"
		},
		"description": {
			"en_US": "",
			"zh_CN": ""
		}
	},
	"libs": [
	  "github.com/nfnt/resize@master"
	],
	"functions": [{
		"name": "thumbnail",
		"example": "thumbnail(image,maxWidth, maxHeight)",
		"hint": {
			"en_US": "Downscales an image preserving its aspect ratio to the maximum dimensions (maxWidth, maxHeight).",
			"zh_CN": "将保留宽高比的图像缩小到最大尺寸（maxWidth，maxHeight）。"
		}
	}]
}