| | |
| | | |
| | | import ( |
| | | "archive/zip" |
| | | "basic.com/valib/logger.git" |
| | | "bytes" |
| | | "crypto/md5" |
| | | "crypto/tls" |
| | | "encoding/hex" |
| | | "encoding/json" |
| | | "image" |
| | | "io" |
| | | "io/ioutil" |
| | | "net" |
| | | "net/http" |
| | | "os" |
| | | "path/filepath" |
| | |
| | | "time" |
| | | "webserver/extend/code" |
| | | |
| | | "basic.com/pubsub/protomsg.git" |
| | | "github.com/gin-gonic/gin" |
| | | "github.com/golang/glog" |
| | | "github.com/pierrec/lz4" |
| | | "gocv.io/x/gocv" |
| | | |
| | | "crypto/rand" |
| | | "fmt" |
| | | "github.com/gin-gonic/gin" |
| | | "github.com/pierrec/lz4" |
| | | "reflect" |
| | | "strings" |
| | | ) |
| | |
| | | // ResponseFormat 返回数据格式化 |
| | | func ResponseFormat(c *gin.Context, respStatus *code.Code, data interface{}) { |
| | | if respStatus == nil { |
| | | glog.Error("response status param not found!") |
| | | respStatus = code.RequestParamError |
| | | } |
| | | c.JSON(respStatus.Status, gin.H{ |
| | |
| | | return nil, err |
| | | } |
| | | return pix, nil |
| | | } |
| | | |
| | | // 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(EnlargeSize(x0, y0, x1, y1, i)) |
| | | region := img.Region(rect) |
| | | bytes, _ := gocv.IMEncode(".jpg", region) |
| | | return bytes |
| | | } |
| | | |
| | | // 长宽变为一比一,每边各扩百分之20 |
| | | func EnlargeSize(x0, y0, x1, y1 int, i protomsg.Image) (x0_new, y0_new, x1_new, y1_new int) { |
| | | // 先把长宽变为一比一 |
| | | 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) |
| | | } |
| | | |
| | | // 再把每边各扩大百分之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 |
| | | } |
| | | |
| | | func StringIpToInt(ipstring string) int { |
| | |
| | | } |
| | | fmtStr := "%0"+strconv.Itoa(m)+"d" |
| | | return fmt.Sprintf(fmtStr, n) |
| | | } |
| | | |
| | | func FileMd5(path string) (string,error){ |
| | | file, err := os.Open(path) |
| | | if err !=nil { |
| | | return "",err |
| | | } |
| | | |
| | | defer file.Close() |
| | | |
| | | _md5 := md5.New() |
| | | if _,err := io.Copy(_md5, file);err != nil { |
| | | return "",err |
| | | } |
| | | |
| | | return hex.EncodeToString(_md5.Sum(nil)),nil |
| | | } |
| | | |
| | | func DownLoad(url string)([]byte,error){ |
| | | connectTimeout := 5 * time.Second |
| | | readWriteTimeout := 10000 * time.Millisecond |
| | | c := &http.Client{ |
| | | Transport: &http.Transport{ |
| | | TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, |
| | | Dial: TimeoutDialer(connectTimeout, readWriteTimeout), |
| | | }, |
| | | } |
| | | req, err := http.NewRequest("GET",url,nil) |
| | | if err != nil { |
| | | return nil,err |
| | | } |
| | | resp,err := c.Do(req) |
| | | |
| | | body, err1 := ioutil.ReadAll(resp.Body) |
| | | if err1 != nil { |
| | | resp.Body.Close() |
| | | return nil,err |
| | | }else { |
| | | logger.Debug("Download success") |
| | | } |
| | | resp.Body.Close() |
| | | return body,nil |
| | | } |
| | | |
| | | func TimeoutDialer(cTimeout time.Duration, rwTimeout time.Duration) func(net, addr string) (c net.Conn, err error) { |
| | | return func(netw, addr string) (net.Conn, error) { |
| | | conn, err := net.DialTimeout(netw, addr, cTimeout) |
| | | if err != nil { |
| | | return nil, err |
| | | } |
| | | conn.SetDeadline(time.Now().Add(rwTimeout)) |
| | | return conn, nil |
| | | } |
| | | } |