wood/webp_server_go
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webp encoder

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Benny~ 2020-02-09 14:32:00 +08:00
parent 6b5f1e6e92
commit b813dcfc77
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3 changed files with 64 additions and 39 deletions
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8
go.mod Normal file
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@ -0,0 +1,8 @@
module webp_server_go
go 1.13
require (
github.com/chai2010/webp v1.1.0
github.com/gofiber/fiber v1.4.0
)

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pics/webp_server.jpg Normal file
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53
webp_server.go
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@ -2,13 +2,19 @@ package main
import (
"bytes"
"github.com/gofiber/fiber"
"encoding/json"
"fmt"
"strings"
"path"
"github.com/chai2010/webp"
"github.com/gofiber/fiber"
"image"
"image/jpeg"
"image/png"
"io/ioutil"
"log"
"os"
"os/exec"
"path"
"strconv"
"strings"
)
type Config struct {
@ -17,7 +23,26 @@ type Config struct {
IMG_PATH string
QUALITY string
ALLOWED_TYPES []string
}
func webpEncoder(p1, p2 string, quality float32) {
var buf bytes.Buffer
var img image.Image
data, _ := ioutil.ReadFile(p1)
if strings.Contains(p1, "jpg") || strings.Contains(p1, "jpeg") {
img, _ = jpeg.Decode(bytes.NewReader(data))
} else if strings.Contains(p1, "png") {
img, _ = png.Decode(bytes.NewReader(data))
}
if err := webp.Encode(&buf, img, &webp.Options{Lossless: true, Quality: quality}); err != nil {
log.Println(err)
}
if err := ioutil.WriteFile(p2, buf.Bytes(), 0666); err != nil {
log.Println(err)
}
fmt.Println("Save output.webp ok")
}
func main() {
@ -49,7 +74,7 @@ func main() {
IMG_PATH := c.Path()
// jpg
IMG_EXT := strings.Split(path.Ext(IMG_PATH),".")[1]
IMG_EXT := strings.Split(path.Ext(IMG_PATH), ".")[1]
// tsuki.jpg
IMG_NAME := path.Base(IMG_PATH)
@ -93,22 +118,14 @@ func main() {
if imageExists(WEBP_ABSOLUTE_PATH) {
c.SendFile(WEBP_ABSOLUTE_PATH)
} else{
} else {
// Mkdir
os.MkdirAll(DIR_ABSOLUTE_PATH , os.ModePerm)
os.MkdirAll(DIR_ABSOLUTE_PATH, os.ModePerm)
// cwebp -q 60 Cute-Baby-Girl.png -o Cute-Baby-Girl.webp
OS_CMD := exec.Command("./webp/cwebp","-q",QUALITY,IMG_ABSOLUTE_PATH,"-o",WEBP_ABSOLUTE_PATH)
var out bytes.Buffer
var stderr bytes.Buffer
OS_CMD.Stdout = &out
OS_CMD.Stderr = &stderr
err := OS_CMD.Run()
if err != nil {
fmt.Println(stderr.String())
fmt.Println(err.Error())
}
q, _ := strconv.ParseFloat(QUALITY, 32)
webpEncoder(IMG_ABSOLUTE_PATH, WEBP_ABSOLUTE_PATH, float32(q))
if err != nil {
fmt.Println(err)
}
@ -121,7 +138,7 @@ func main() {
func load_config(path string) Config {
var config Config
json_object,err := os.Open(path)
json_object, err := os.Open(path)
if err != nil {
fmt.Println(err.Error())
}