photoprism/internal/thumb/open_jpeg.go
Michael Mayer 92e6c4fe1e Download: Add Disabled, Originals, MediaRaw & MediaSidecar Flags #2234
Extends DownloadSettings with 4 additional options:
- Name: File name pattern for downloaded files (existed)
- Disabled: Disables downloads
- Originals: Only download files stored in "originals" folder
- MediaRaw: Include RAW image files
- MediaSidecar: Include metadata sidecar files (JSON, XMP, YAML)
2022-04-15 09:42:07 +02:00

69 lines
1.6 KiB
Go

package thumb
import (
"fmt"
"image"
"os"
"path/filepath"
"github.com/disintegration/imaging"
"github.com/mandykoh/prism/meta/autometa"
"github.com/photoprism/photoprism/pkg/clean"
"github.com/photoprism/photoprism/pkg/colors"
)
// OpenJpeg loads a JPEG image from disk, rotates it, and converts the color profile if necessary.
func OpenJpeg(fileName string, orientation int) (result image.Image, err error) {
if fileName == "" {
return result, fmt.Errorf("filename missing")
}
logName := clean.Log(filepath.Base(fileName))
// Open file.
fileReader, err := os.Open(fileName)
if err != nil {
return result, err
}
defer fileReader.Close()
// Read color metadata.
md, imgStream, err := autometa.Load(fileReader)
var img image.Image
if err != nil {
log.Warnf("resample: %s in %s (read color metadata)", err, logName)
img, err = imaging.Decode(fileReader)
} else {
img, err = imaging.Decode(imgStream)
}
if err != nil {
return result, err
}
// Read ICC profile and convert colors if possible.
if md != nil {
if iccProfile, err := md.ICCProfile(); err != nil || iccProfile == nil {
// Do nothing.
log.Tracef("resample: %s has no color profile", logName)
} else if profile, err := iccProfile.Description(); err == nil && profile != "" {
log.Tracef("resample: %s has color profile %s", logName, clean.Log(profile))
switch {
case colors.ProfileDisplayP3.Equal(profile):
img = colors.ToSRGB(img, colors.ProfileDisplayP3)
}
}
}
// Rotate?
if orientation > 1 {
img = Rotate(img, orientation)
}
return img, nil
}