From d42b09cda8b2bc58c43c200f3aabdb0b2a7e9211 Mon Sep 17 00:00:00 2001
From: sunty <1172534965@qq.com>
Date: 星期五, 12 七月 2019 12:02:14 +0800
Subject: [PATCH] fix search controllers
---
extend/util/util.go | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/extend/util/util.go b/extend/util/util.go
index b9af7da..77cd755 100644
--- a/extend/util/util.go
+++ b/extend/util/util.go
@@ -1,9 +1,12 @@
package util
import (
+ "basic.com/pubsub/protomsg.git"
"encoding/json"
"github.com/gin-gonic/gin"
"github.com/golang/glog"
+ "gocv.io/x/gocv"
+ "image"
"webserver/extend/code"
"crypto/rand"
@@ -66,4 +69,47 @@
// data[t.Field(i).Name] = v.Field(i).Interface()
//}
//return data
+}
+
+// 鎸夊昂瀵稿幓鍒囧浘
+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(EnlargeSize(x0, y0, x1, y1, i))
+ region := img.Region(rect)
+ bytes, _ := gocv.IMEncode(".jpg", region)
+ return bytes
+}
+
+// 闀垮鍙樹负涓�姣斾竴锛屾瘡杈瑰悇鎵╃櫨鍒嗕箣20
+func EnlargeSize(x0, y0, x1, y1 int, i protomsg.Image) (x0_new, y0_new, x1_new, y1_new int) {
+ // 鍏堟妸闀垮鍙樹负涓�姣斾竴
+ chazhi := (y1 - y0) - (x1 - x0)
+ x0 = x0 - chazhi/2
+ if x0 < 0 {
+ x0 = 0
+ }
+ x1 = x1 + chazhi/2
+ if x1 > int(i.Width) {
+ x1 = int(i.Width)
+ }
+
+ // 鍐嶆妸姣忚竟鍚勬墿澶х櫨鍒嗕箣20
+ enlarge := float32(0.2)
+ x0_new = int((1+enlarge)*float32(x0) - enlarge*float32(x1))
+ if x0_new < 0 {
+ x0_new = 0
+ }
+ x1_new = int((1+enlarge)*float32(x1) - enlarge*float32(x0))
+ if x1_new > int(i.Width) {
+ x1_new = int(i.Width)
+ }
+ y0_new = int((1+enlarge)*float32(y0) - enlarge*float32(y1))
+ if y0_new < 0 {
+ y0_new = 0
+ }
+ y1_new = int((1+enlarge)*float32(y1) - enlarge*float32(y0))
+ if y1_new > int(i.Height) {
+ y1_new = int(i.Height)
+ }
+ return
}
\ No newline at end of file
--
Gitblit v1.8.0