64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package main
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import (
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"fmt"
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"image"
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"image/jpeg"
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"image/png"
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"os"
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"strings"
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"github.com/rwcarlsen/goexif/exif"
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"github.com/rwcarlsen/goexif/tiff"
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"golang.org/x/image/bmp"
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"golang.org/x/image/webp"
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)
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func CheckFilePath(name string) string {
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if _, err := os.Stat(name); err == nil {
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return name
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}
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panic(fmt.Errorf("%v does not exist in any directory which contains in $GOPATH", name))
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}
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func ReadIMG(name string) (img image.Image, orientation *tiff.Tag, err error) {
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file, err := os.Open(CheckFilePath(name))
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if err != nil {
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return nil, nil, err
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}
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x, err := exif.Decode(file)
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if err != nil {
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return nil, nil, err
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}
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orientation, err = x.Get(exif.Orientation)
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if err != nil {
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return nil, nil, err
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}
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file, err = os.Open(CheckFilePath(name))
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if err != nil {
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return nil, nil, err
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}
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parts := strings.Split(name, ".")
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switch strings.ToLower(parts[len(parts)-1]) {
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case "jpg":
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fallthrough
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case "jpeg":
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img, err = jpeg.Decode(file)
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case "png":
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img, err = png.Decode(file)
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case "bmp":
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img, err = bmp.Decode(file)
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case "webp":
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img, err = webp.Decode(file)
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}
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if err != nil {
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return nil, nil, err
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}
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return img, orientation, nil
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}
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