jybase/procimg/procimg_test.go

package procimg

import (
	"image/jpeg"
	"log"
	"os"
	"testing"
)

func TestProcImg(t *testing.T) {
	//图片，网上随便找了一张
	img_file, err := os.Open("main.jpg")
	if err != nil {
		log.Fatalln(err)
	}
	defer img_file.Close()
	img, err := jpeg.Decode(img_file)
	if err != nil {
		log.Fatalln(err)
	}
	m := WaterMark(img, BgImg, 0.5)
	imgw, err := os.Create("./new.jpg")
	jpeg.Encode(imgw, m, &jpeg.Options{75})
	defer imgw.Close()
	log.Println("添加水印图片结束请查看")
}