package util

import (
	"basic.com/pubsub/protomsg.git"
	"gocv.io/x/gocv"
	"image"
)
// 按尺寸去切图
func SubImg(i protomsg.Image,x0,y0,x1,y1 int,) []byte{
	img,_ := gocv.NewMatFromBytes(int(i.Height),int(i.Width),gocv.MatTypeCV8UC3,i.Data)
	rect := image.Rect(x0,y0,x1,y1)
	region := img.Region(rect)
	bytes, _ := gocv.IMEncode(".jpg", region)
	return bytes
}