123 lines
2.9 KiB
Dart
123 lines
2.9 KiB
Dart
enum MetadataField {
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exifDate,
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exifDateOriginal,
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exifDateDigitized,
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exifGpsDate,
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}
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enum DateEditAction {
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setCustom,
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copyField,
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extractFromTitle,
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shift,
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remove,
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}
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enum DateFieldSource {
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fileModifiedDate,
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exifDate,
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exifDateOriginal,
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exifDateDigitized,
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exifGpsDate,
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}
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enum MetadataType {
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// JPEG COM marker or GIF comment
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comment,
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// Exif: https://en.wikipedia.org/wiki/Exif
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exif,
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// ICC profile: https://en.wikipedia.org/wiki/ICC_profile
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iccProfile,
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// IPTC: https://en.wikipedia.org/wiki/IPTC_Information_Interchange_Model
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iptc,
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// JPEG APP0 / JFIF: https://en.wikipedia.org/wiki/JPEG_File_Interchange_Format
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jfif,
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// JPEG APP14 / Adobe: https://www.exiftool.org/TagNames/JPEG.html#Adobe
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jpegAdobe,
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// JPEG APP12 / Ducky: https://www.exiftool.org/TagNames/APP12.html#Ducky
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jpegDucky,
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// Photoshop IRB: https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/
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photoshopIrb,
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// XMP: https://en.wikipedia.org/wiki/Extensible_Metadata_Platform
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xmp,
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}
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class MetadataTypes {
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static const main = {
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MetadataType.exif,
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MetadataType.xmp,
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};
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static const common = {
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MetadataType.exif,
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MetadataType.xmp,
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MetadataType.comment,
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MetadataType.iccProfile,
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MetadataType.iptc,
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MetadataType.photoshopIrb,
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};
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static const jpeg = {
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MetadataType.jfif,
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MetadataType.jpegAdobe,
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MetadataType.jpegDucky,
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};
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}
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extension ExtraMetadataType on MetadataType {
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// match `metadata-extractor` directory names
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String getText() {
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switch (this) {
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case MetadataType.comment:
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return 'Comment';
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case MetadataType.exif:
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return 'Exif';
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case MetadataType.iccProfile:
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return 'ICC Profile';
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case MetadataType.iptc:
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return 'IPTC';
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case MetadataType.jfif:
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return 'JFIF';
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case MetadataType.jpegAdobe:
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return 'Adobe JPEG';
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case MetadataType.jpegDucky:
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return 'Ducky';
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case MetadataType.photoshopIrb:
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return 'Photoshop';
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case MetadataType.xmp:
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return 'XMP';
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}
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}
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}
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extension ExtraMetadataField on MetadataField {
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String toExifInterfaceTag() {
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switch (this) {
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case MetadataField.exifDate:
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return 'DateTime';
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case MetadataField.exifDateOriginal:
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return 'DateTimeOriginal';
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case MetadataField.exifDateDigitized:
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return 'DateTimeDigitized';
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case MetadataField.exifGpsDate:
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return 'GPSDateStamp';
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}
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}
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}
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extension ExtraDateFieldSource on DateFieldSource {
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MetadataField? toMetadataField() {
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switch (this) {
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case DateFieldSource.fileModifiedDate:
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return null;
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case DateFieldSource.exifDate:
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return MetadataField.exifDate;
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case DateFieldSource.exifDateOriginal:
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return MetadataField.exifDateOriginal;
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case DateFieldSource.exifDateDigitized:
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return MetadataField.exifDateDigitized;
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case DateFieldSource.exifGpsDate:
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return MetadataField.exifGpsDate;
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}
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}
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}
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