aves/lib/widgets/collection/thumbnail/vector.dart
Thibault Deckers a47d82ebfc l10n
2021-03-09 12:36:49 +09:00

75 lines
2.5 KiB
Dart

import 'package:aves/image_providers/uri_picture_provider.dart';
import 'package:aves/model/entry.dart';
import 'package:aves/model/settings/entry_background.dart';
import 'package:aves/model/settings/enums.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/widgets/common/fx/checkered_decoration.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:provider/provider.dart';
class VectorImageThumbnail extends StatelessWidget {
final AvesEntry entry;
final double extent;
final Object heroTag;
const VectorImageThumbnail({
Key key,
@required this.entry,
@required this.extent,
this.heroTag,
}) : super(key: key);
@override
Widget build(BuildContext context) {
final child = Selector<Settings, EntryBackground>(
selector: (context, s) => s.vectorBackground,
builder: (context, background, child) {
const fit = BoxFit.contain;
if (background == EntryBackground.checkered) {
return LayoutBuilder(
builder: (context, constraints) {
final availableSize = constraints.biggest;
final fitSize = applyBoxFit(fit, entry.displaySize, availableSize).destination;
final offset = fitSize / 2 - availableSize / 2;
final child = CustomPaint(
painter: CheckeredPainter(checkSize: extent / 8, offset: offset),
child: SvgPicture(
UriPicture(
uri: entry.uri,
mimeType: entry.mimeType,
),
width: fitSize.width,
height: fitSize.height,
fit: fit,
),
);
// the thumbnail is centered for correct decoration sizing
// when constraints are tight during hero animation
return constraints.isTight ? Center(child: child) : child;
},
);
}
final colorFilter = background.isColor ? ColorFilter.mode(background.color, BlendMode.dstOver) : null;
return SvgPicture(
UriPicture(
uri: entry.uri,
mimeType: entry.mimeType,
colorFilter: colorFilter,
),
width: extent,
height: extent,
fit: fit,
);
},
);
return heroTag != null
? Hero(
tag: heroTag,
transitionOnUserGestures: true,
child: child,
)
: child;
}
}