From 8added81d3fa7aa2616711a80e3a3edf71840f6a Mon Sep 17 00:00:00 2001
From: panlei <2799247126@qq.com>
Date: 星期二, 02 七月 2019 20:23:01 +0800
Subject: [PATCH] ---
---
util/image.go | 45 ++++++++++++++++++++++++---------------------
1 files changed, 24 insertions(+), 21 deletions(-)
diff --git a/util/image.go b/util/image.go
index a00e3b7..bb30a89 100644
--- a/util/image.go
+++ b/util/image.go
@@ -1,31 +1,34 @@
package util
import (
- "basic.com/pubsub/protomsg.git"
- "bytes"
- "fmt"
- "github.com/gogo/protobuf/proto"
+ "gocv.io/x/gocv"
"image"
- "image/jpeg"
- "reflect"
+ "log"
)
// 鎸夊昂瀵稿幓鍒囧浘
-func Subimg(dbyte []byte,x0,y0,x1,y1 int,) protomsg.Image{
+func Subimg(dbyte []byte,x0,y0,x1,y1 int,) []byte{
- 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
+ //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
+ ////log.Println("==================鐪嬬湅杩欎釜buffer",bbb)
+ //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
+ log.Println("--------------------------鍥涘ぇ閲戝垰锛�",x0,y0,x1,y1)
+ img,_ := gocv.NewMatFromBytes(50,50,gocv.MatTypeCV8UC3,dbyte)
+ rect := image.Rect(x0,y0,x0+50,y0+50)
+ region := img.Region(rect)
+ bytes, _ := gocv.IMEncode(".jpg", region)
+ return bytes
+}
--
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