first commit

images/processor.go

@@ -0,0 +1,72 @@
+package images
+
+import (
+	"fmt"
+	"log"
+	"strings"
+	"time"
+
+	"github.com/h2non/bimg"
+)
+
+type ProcessOptions struct {
+	Width   int
+	Height  int
+	Quality int
+	Format  string // webp, avif, png, jpg, jpeg
+	Cover   bool
+}
+
+func ProcessImage(buffer []byte, opts ProcessOptions) ([]byte, error) {
+	startTime := time.Now()
+	img := bimg.NewImage(buffer)
+
+	origSize, _ := img.Size()
+	origType := img.Type()
+	origKB := len(buffer) / 1024
+
+	options := bimg.Options{
+		Width:   opts.Width,
+		Height:  opts.Height,
+		Quality: opts.Quality,
+	}
+
+	if opts.Quality == 0 {
+		options.Quality = 85
+	}
+
+	// Cover mode: Enlarge and crop to fill the dimensions
+	if opts.Cover {
+		options.Crop = true
+		options.Enlarge = true
+	}
+
+	format := strings.ToLower(opts.Format)
+	switch format {
+	case "webp":
+		options.Type = bimg.WEBP
+	case "avif":
+		options.Type = bimg.AVIF
+	case "png":
+		options.Type = bimg.PNG
+	case "jpg", "jpeg":
+		options.Type = bimg.JPEG
+	}
+
+	log.Printf("[IMAGE-PROCESS-START] Original: %dx%d (%s, %dKB). Target -> W:%d, H:%d, Q:%d, Format:%v, Cover:%v",
+		origSize.Width, origSize.Height, origType, origKB,
+		options.Width, options.Height, options.Quality, options.Type, opts.Cover)
+
+	newImage, err := img.Process(options)
+	if err != nil {
+		log.Printf("[IMAGE-PROCESS-ERROR] Failed after %v: %v", time.Since(startTime), err)
+		return nil, fmt.Errorf("failed to process image: %w", err)
+	}
+
+	newKB := len(newImage) / 1024
+	diff := origKB - newKB
+
+	log.Printf("[IMAGE-PROCESS-DONE] Success in %v! New Size: %dKB (Difference: %dKB)", time.Since(startTime), newKB, diff)
+
+	return newImage, nil
+}