init

.gitignore

@@ -0,0 +1,20 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+vendor/
+
+.idea/
+

go.mod

@@ -0,0 +1,5 @@
+module webp2png_server
+
+go 1.15
+
+require golang.org/x/image v0.0.0-20200927104501-e162460cd6b5

go.sum

@@ -0,0 +1,3 @@
+golang.org/x/image v0.0.0-20200927104501-e162460cd6b5 h1:QelT11PB4FXiDEXucrfNckHoFxwt8USGY1ajP1ZF5lM=
+golang.org/x/image v0.0.0-20200927104501-e162460cd6b5/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"golang.org/x/image/webp"
+	"image/png"
+	"io"
+	"log"
+	"os"
+)
+
+func main() {
+	var (
+		inFile  io.Reader
+		outFile io.Writer
+	)
+
+	iFile, err := os.OpenFile("/home/debuggerx/Pictures/test.webp", os.O_RDONLY, 0)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer iFile.Close()
+	inFile = iFile
+
+	oFile, err := os.OpenFile("/home/debuggerx/Pictures/test.png", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 666)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer oFile.Close()
+	outFile = oFile
+
+	m, err := webp.Decode(inFile)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = png.Encode(outFile, m)
+	if err != nil {
+		log.Fatal(err)
+	}
+}