photoprism/internal/thumb/open.go

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package thumb
import (
"fmt"
"image"
"github.com/disintegration/imaging"
"github.com/photoprism/photoprism/pkg/fs"
)
// StandardRGB configures whether colors in the Apple Display P3 color space should be converted to standard RGB.
var StandardRGB = true
// Open loads an image from disk, rotates it, and converts the color profile if necessary.
func Open(fileName string, orientation int) (result image.Image, err error) {
// Filename missing?
if fileName == "" {
return result, fmt.Errorf("filename missing")
}
// Resolve symlinks.
if fileName, err = fs.Resolve(fileName); err != nil {
return result, err
}
// Open JPEG?
if StandardRGB && fs.FileType(fileName) == fs.ImageJPEG {
return OpenJpeg(fileName, orientation)
}
// Open file with imaging function.
img, err := imaging.Open(fileName)
if err != nil {
return result, err
}
// Adjust orientation.
if orientation > 1 {
img = Rotate(img, orientation)
}
return img, nil
}