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info: format XMP MWG Regions section

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Thibault Deckers 2021-02-15 17:57:05 +09:00
parent 18a15d617f
commit 7252346444
2 changed files with 43 additions and 0 deletions
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40
lib/widgets/viewer/info/metadata/xmp_ns/mwg.dart Normal file
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@ -0,0 +1,40 @@
import 'package:aves/widgets/viewer/info/metadata/xmp_namespaces.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_structs.dart';
import 'package:flutter/widgets.dart';
// cf www.metadataworkinggroup.org/pdf/mwg_guidance.pdf (down, as of 2021/02/15)
class XmpMgwRegionsNamespace extends XmpNamespace {
static const ns = 'mwg-rs';
static final dimensionsPattern = RegExp(r'mwg-rs:Regions/mwg-rs:AppliedToDimensions/(.*)');
static final regionListPattern = RegExp(r'mwg-rs:Regions/mwg-rs:RegionList\[(\d+)\]/(.*)');
final dimensions = <String, String>{};
final regionList = <int, Map<String, String>>{};
XmpMgwRegionsNamespace() : super(ns);
@override
String get displayTitle => 'Regions';
@override
bool extractData(XmpProp prop) {
final hasStructs = extractStruct(prop, dimensionsPattern, dimensions);
final hasIndexedStructs = extractIndexedStruct(prop, regionListPattern, regionList);
return hasStructs || hasIndexedStructs;
}
@override
List<Widget> buildFromExtractedData() => [
if (dimensions.isNotEmpty)
XmpStructCard(
title: 'Applied To Dimensions',
struct: dimensions,
),
if (regionList.isNotEmpty)
XmpStructArrayCard(
title: 'Region',
structByIndex: regionList,
),
];
}

3
lib/widgets/viewer/info/metadata/xmp_tile.dart
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@ -12,6 +12,7 @@ import 'package:aves/widgets/viewer/info/metadata/xmp_namespaces.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/exif.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/google.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/iptc.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/mwg.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/photoshop.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/tiff.dart';
import 'package:aves/widgets/viewer/info/metadata/xmp_ns/xmp.dart';
@ -60,6 +61,8 @@ class _XmpDirTileState extends State<XmpDirTile> with FeedbackMixin {
return XmpGImageNamespace();
case XmpIptcCoreNamespace.ns:
return XmpIptcCoreNamespace();
case XmpMgwRegionsNamespace.ns:
return XmpMgwRegionsNamespace();
case XmpMMNamespace.ns:
return XmpMMNamespace();
case XmpNoteNamespace.ns: