From 9716a5d56183677ff5092eda659dc1fcafc52f33 Mon Sep 17 00:00:00 2001
From: panlei <2799247126@qq.com>
Date: 星期三, 03 七月 2019 16:33:43 +0800
Subject: [PATCH] ---
---
util/image.go | 32 ++++++++------------------------
1 files changed, 8 insertions(+), 24 deletions(-)
diff --git a/util/image.go b/util/image.go
index a00e3b7..e81abde 100644
--- a/util/image.go
+++ b/util/image.go
@@ -2,30 +2,14 @@
import (
"basic.com/pubsub/protomsg.git"
- "bytes"
- "fmt"
- "github.com/gogo/protobuf/proto"
+ "gocv.io/x/gocv"
"image"
- "image/jpeg"
- "reflect"
)
// 鎸夊昂瀵稿幓鍒囧浘
-func Subimg(dbyte []byte,x0,y0,x1,y1 int,) protomsg.Image{
-
- bbb := bytes.NewBuffer(dbyte) // 蹇呴』鍔犱竴涓猙uffer 涓嶇劧娌℃湁read鏂规硶灏变細鎶ラ敊
- m, _, _ := image.Decode(bbb) // 鍥剧墖鏂囦欢瑙ｇ爜
- rgbImg := m.(*image.YCbCr)
- subImg := rgbImg.SubImage(image.Rect(x0, y0, x1, y1)) //鍥剧墖瑁佸壀x0 y0 x1 y1
- fmt.Println(reflect.TypeOf(subImg))
- //f, _ := os.Create("./test.jpg") //鍒涘缓鏂囦欢
- //defer f.Close() //鍏抽棴鏂囦欢
- emptyBuff := bytes.NewBuffer(nil) //寮�杈熶竴涓柊鐨勭┖buff
- jpeg.Encode(emptyBuff, subImg, nil) //img鍐欏叆鍒癰uff
- bytes := emptyBuff.Bytes()
- i := protomsg.Image{}
- proto.Unmarshal(bytes,&i)
- return i
- //f, _ := os.Create("./test.jpg") //鍒涘缓鏂囦欢
- //defer f.Close() //鍏抽棴鏂囦欢
- //jpeg.Encode(f, subImg, nil) //鍐欏叆鏂囦欢
-}
\ No newline at end of file
+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
+}
--
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