1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
| 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
| }
|
|
