43 строки
887 B
Go
43 строки
887 B
Go
package exif_test
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import (
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"fmt"
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"log"
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"os"
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"github.com/rwcarlsen/goexif/exif"
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"github.com/rwcarlsen/goexif/mknote"
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)
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func ExampleDecode() {
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fname := "sample1.jpg"
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f, err := os.Open(fname)
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if err != nil {
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log.Fatal(err)
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}
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// Optionally register camera makenote data parsing - currently Nikon and
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// Canon are supported.
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exif.RegisterParsers(mknote.All...)
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x, err := exif.Decode(f)
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if err != nil {
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log.Fatal(err)
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}
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camModel, _ := x.Get(exif.Model) // normally, don't ignore errors!
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fmt.Println(camModel.StringVal())
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focal, _ := x.Get(exif.FocalLength)
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numer, denom, _ := focal.Rat2(0) // retrieve first (only) rat. value
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fmt.Printf("%v/%v", numer, denom)
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// Two convenience functions exist for date/time taken and GPS coords:
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tm, _ := x.DateTime()
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fmt.Println("Taken: ", tm)
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lat, long, _ := x.LatLong()
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fmt.Println("lat, long: ", lat, ", ", long)
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}
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