精简后的项目：仅保留 api/ui 源码、文档、构建依赖

api/scanner/perf_test.go

@@ -0,0 +1,77 @@
+package scanner
+
+import (
+	"image"
+	"image/jpeg"
+	_ "image/png"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"gopkg.in/gographics/imagick.v3/imagick"
+)
+
+func BenchmarkStdlib(b *testing.B) {
+	dir := b.TempDir()
+
+	for b.Loop() {
+		func() {
+			input, err := os.Open("./test_media/real_media/png.png")
+			if err != nil {
+				b.Fatal("open error:", err)
+			}
+			defer input.Close()
+
+			img, _, err := image.Decode(input)
+			if err != nil {
+				b.Fatal("decode error:", err)
+			}
+
+			outfile := filepath.Join(dir, "test.jpg")
+			defer os.Remove(outfile)
+
+			output, err := os.Create(outfile)
+			if err != nil {
+				b.Fatal("create error:", err)
+			}
+			defer output.Close()
+
+			if err := jpeg.Encode(output, img, &jpeg.Options{Quality: 70}); err != nil {
+				b.Fatal("encode error:", err)
+			}
+		}()
+	}
+}
+
+func BenchmarkMagickWand(b *testing.B) {
+	dir := b.TempDir()
+
+	imagick.Initialize()
+	defer imagick.Terminate()
+
+	for b.Loop() {
+		func() {
+			mw := imagick.NewMagickWand()
+			defer mw.Destroy()
+
+			if err := mw.ReadImage("./test_media/real_media/png.png"); err != nil {
+				b.Fatal("read error:", err)
+			}
+
+			output := filepath.Join(dir, "test.jpg")
+			defer os.Remove(output)
+
+			if err := mw.SetFormat("JPEG"); err != nil {
+				b.Fatal("set format error:", err)
+			}
+
+			if err := mw.SetImageCompressionQuality(70); err != nil {
+				b.Fatal("set quality error:", err)
+			}
+
+			if err := mw.WriteImage(output); err != nil {
+				b.Fatal("write error:", err)
+			}
+		}()
+	}
+}