Add thumber

4 files changed, 52 insertions, 0 deletions

diff --git a/thumber/in/XjScp8a.png b/thumber/in/XjScp8a.png
new file mode 100644
index 0000000..a9ec6df
--- /dev/null
+++ b/thumber/in/XjScp8a.png
diff --git a/thumber/in/lB4ICS3.png b/thumber/in/lB4ICS3.png
new file mode 100644
index 0000000..850bf28
--- /dev/null
+++ b/thumber/in/lB4ICS3.png
diff --git a/thumber/in/oaw79y9.jpg b/thumber/in/oaw79y9.jpg
new file mode 100644
index 0000000..2ab4cb9
--- /dev/null
+++ b/thumber/in/oaw79y9.jpg
diff --git a/thumber/main.go b/thumber/main.go
new file mode 100644
index 0000000..77bbed3
--- /dev/null
+++ b/thumber/main.go
@@ -0,0 +1,52 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/disintegration/imaging"
+)
+
+var (
+	dirToWalk = flag.String("walkdir", "./in", "directory to walk and generate thumbnails for")
+)
+
+func main() {
+	flag.Parse()
+
+	err := filepath.Walk(*dirToWalk, makeThumbnail)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func makeThumbnail(fname string, info os.FileInfo, err error) error {
+	if info.IsDir() {
+		return nil
+	}
+
+	if strings.HasSuffix(fname, ".thumb.png") {
+		return nil
+	}
+
+	_, err = os.Stat("thumbs/" + filepath.Base(fname) + ".thumb.png")
+	if err == nil {
+		log.Printf("skipping %s", fname)
+		return nil
+	}
+
+	log.Printf("Starting to open %s", fname)
+
+	img, err := imaging.Open(fname)
+	if err != nil {
+		return err
+	}
+
+	croppedImage := imaging.Thumbnail(img, 256, 256, imaging.Lanczos)
+	err = imaging.Save(croppedImage, "thumbs/"+filepath.Base(fname)+".thumb.png")
+
+	return err
+}