Hanzo AI
67eda824aa
- create go.mod (deleted upstream at v1.0.3) with module github.com/hanzoai/goexif, go 1.21 - rewrite all internal self-imports (exif/tiff/mknote/exifstat/tests/regen) to hanzoai path - update README import-path/install references - pure stdlib, zero external deps; go build/vet/test all pass
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"github.com/hanzoai/goexif/exif"
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"github.com/hanzoai/goexif/mknote"
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"github.com/hanzoai/goexif/tiff"
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)
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var mnote = flag.Bool("mknote", false, "try to parse makernote data")
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var thumb = flag.Bool("thumb", false, "dump thumbail data to stdout (for first listed image file)")
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func main() {
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flag.Parse()
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fnames := flag.Args()
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if *mnote {
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exif.RegisterParsers(mknote.All...)
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}
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for _, name := range fnames {
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f, err := os.Open(name)
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if err != nil {
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log.Printf("err on %v: %v", name, err)
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continue
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}
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x, err := exif.Decode(f)
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if err != nil {
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log.Printf("err on %v: %v", name, err)
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continue
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}
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if *thumb {
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data, err := x.JpegThumbnail()
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if err != nil {
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log.Fatal("no thumbnail present")
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}
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if _, err := os.Stdout.Write(data); err != nil {
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log.Fatal(err)
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}
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return
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}
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fmt.Printf("\n---- Image '%v' ----\n", name)
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x.Walk(Walker{})
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}
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}
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type Walker struct{}
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func (_ Walker) Walk(name exif.FieldName, tag *tiff.Tag) error {
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data, _ := tag.MarshalJSON()
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fmt.Printf(" %v: %v\n", name, string(data))
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return nil
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}
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