124 lines
4.1 KiB
Dart
124 lines
4.1 KiB
Dart
import 'package:aves/model/device.dart';
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import 'package:aves/widgets/common/map/leaflet/vector_style_reader_extra.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:vector_map_tiles/vector_map_tiles.dart';
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import 'package:vector_tile_renderer/vector_tile_renderer.dart' as vtr;
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class OpenTopoMapLayer extends StatelessWidget {
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const OpenTopoMapLayer({super.key});
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@override
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Widget build(BuildContext context) {
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return TileLayer(
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urlTemplate: 'https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png',
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subdomains: const ['a', 'b', 'c'],
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retinaMode: MediaQuery.devicePixelRatioOf(context) > 1,
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userAgentPackageName: device.userAgent,
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);
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}
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}
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class OSMHotLayer extends StatelessWidget {
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const OSMHotLayer({super.key});
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@override
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Widget build(BuildContext context) {
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return TileLayer(
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urlTemplate: 'https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png',
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subdomains: const ['a', 'b', 'c'],
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retinaMode: MediaQuery.devicePixelRatioOf(context) > 1,
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userAgentPackageName: device.userAgent,
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);
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}
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}
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class StamenWatercolorLayer extends StatelessWidget {
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const StamenWatercolorLayer({super.key});
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@override
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Widget build(BuildContext context) {
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return TileLayer(
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urlTemplate: 'https://watercolormaps.collection.cooperhewitt.org/tile/watercolor/{z}/{x}/{y}.jpg',
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retinaMode: MediaQuery.devicePixelRatioOf(context) > 1,
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userAgentPackageName: device.userAgent,
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);
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}
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}
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class OsmLibertyLayer extends StatefulWidget {
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const OsmLibertyLayer({super.key});
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@override
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State<OsmLibertyLayer> createState() => _OsmLibertyLayerState();
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}
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class _OsmLibertyLayerState extends State<OsmLibertyLayer> {
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late final Future<TileProviders> _tileProviderFuture;
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late final Future<Style> _styleFuture;
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static const _openMapTileProviderSource = 'openmaptiles';
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// `Americana` provides tiles, but it uses layer syntax that is not supported by the vector tile renderer.
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// Full style is at 'https://americanamap.org/style.json' but it is heavy (1.0 MB, mostly for the layers).
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static const _americanaTileProviderUri = 'https://tile.ourmap.us/data/v3.json';
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// `OSM Liberty` is well supported by the vector tile renderer, but it requires an API key for the tiles.
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static const _osmLibertyStyleUri = 'https://maputnik.github.io/osm-liberty/style.json';
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// as of 2024/09/25,
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// Americana provider JSON: 39.4 kB
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// OSM Liberty style JSON: 48.3 kB
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// OSM Liberty sprites JSON 1x: 16.6 kB
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// OSM Liberty sprites PNG 1x: 30.4 kB
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// OSM Liberty sprites JSON 2x: 16.6 kB
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// OSM Liberty sprites PNG 2x: 82.5 kB
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// -> total overhead: 233.8 kB
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@override
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void initState() {
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super.initState();
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_tileProviderFuture = StyleReaderExtra.readProviderByName(
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{
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_openMapTileProviderSource: {
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'url': _americanaTileProviderUri,
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'type': 'vector',
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}
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},
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).then(TileProviders.new);
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_styleFuture = StyleReader(
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uri: _osmLibertyStyleUri,
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logger: const vtr.Logger.console(),
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).readExtra(skipSources: true);
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}
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@override
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Widget build(BuildContext context) {
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return FutureBuilder<TileProviders>(
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future: _tileProviderFuture,
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builder: (context, tileProviderSnapshot) {
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return FutureBuilder<Style>(
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future: _styleFuture,
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builder: (context, styleSnapshot) {
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if (tileProviderSnapshot.hasError) return Text(tileProviderSnapshot.error.toString());
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if (styleSnapshot.hasError) return Text(styleSnapshot.error.toString());
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final tileProviders = tileProviderSnapshot.data;
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final style = styleSnapshot.data;
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if (tileProviders == null || style == null) return const SizedBox();
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return VectorTileLayer(
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tileProviders: tileProviders,
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theme: style.theme,
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sprites: style.sprites,
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// `vector` is higher quality and follows map orientation, but it is slower
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layerMode: VectorTileLayerMode.raster,
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);
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},
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);
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},
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);
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}
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}
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