87 lines
2.1 KiB
Dart
87 lines
2.1 KiB
Dart
import 'package:aves/ref/mime_types.dart';
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class AppSupport {
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// TODO TLAD [codec] make it dynamic if it depends on OS/lib versions
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static const Set<String> undecodableImages = {
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// unsupported
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MimeTypes.art,
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MimeTypes.cdr,
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MimeTypes.cdrt,
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MimeTypes.cpt,
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MimeTypes.djvu,
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MimeTypes.dwg,
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MimeTypes.dxf,
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MimeTypes.jpeg2000,
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MimeTypes.jpx,
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MimeTypes.jxl,
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MimeTypes.pat,
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MimeTypes.pcx,
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MimeTypes.pnm,
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MimeTypes.ppm,
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MimeTypes.psdVnd,
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MimeTypes.psdX,
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MimeTypes.rgbe,
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MimeTypes.tap,
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MimeTypes.vtf,
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MimeTypes.wmf,
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// RAW
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MimeTypes.crw,
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// non-media
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MimeTypes.octetStream,
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MimeTypes.zip,
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};
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static bool canDecode(String mimeType) => !undecodableImages.contains(mimeType);
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// `exifinterface` v1.3.3 declared support for DNG, but it strips non-standard Exif tags when saving attributes,
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// and DNG requires DNG-specific tags saved along standard Exif. So it was actually breaking DNG files.
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static bool canEditExif(String mimeType) {
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switch (mimeType.toLowerCase()) {
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// as of androidx.exifinterface:exifinterface:1.3.4
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case MimeTypes.jpeg:
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case MimeTypes.png:
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case MimeTypes.webp:
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return true;
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default:
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return false;
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}
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}
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static bool canEditIptc(String mimeType) {
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switch (mimeType.toLowerCase()) {
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// as of latest PixyMeta
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case MimeTypes.jpeg:
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case MimeTypes.tiff:
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return true;
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default:
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return false;
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}
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}
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static bool canEditXmp(String mimeType) {
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switch (mimeType.toLowerCase()) {
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// as of latest PixyMeta
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case MimeTypes.gif:
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case MimeTypes.jpeg:
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case MimeTypes.png:
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case MimeTypes.tiff:
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return true;
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// using `mp4parser`
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case MimeTypes.mp4:
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return true;
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default:
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return false;
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}
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}
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static bool canRemoveMetadata(String mimeType) {
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switch (mimeType.toLowerCase()) {
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// as of latest PixyMeta
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case MimeTypes.jpeg:
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case MimeTypes.tiff:
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return true;
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default:
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return false;
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}
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}
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}
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