image_marker_viewer 1.0.0 
image_marker_viewer: ^1.0.0 copied to clipboard
A Flutter package for adding interactive markers on images with custom colors, titles, and notes. Supports web, mobile, and desktop platforms.
example/lib/main.dart
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:file_picker/file_picker.dart';
import 'package:image_marker_viewer/widgets/image_marker_viewer.dart';
import 'package:image_marker_viewer/controllers/image_marker_controller.dart';
import 'package:image_marker_viewer/models/image_marker.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return GetMaterialApp(
debugShowCheckedModeBanner: false,
title: 'Image Marker Viewer Example',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MarkerExample(),
);
}
}
class MarkerExample extends StatefulWidget {
const MarkerExample({super.key});
@override
State<MarkerExample> createState() => _MarkerExampleState();
}
class _MarkerExampleState extends State<MarkerExample> {
final controller = Get.put(ImageMarkerController());
Uint8List? selectedImageBytes;
ImageMarker? selectedMarker;
final List<ImageMarker> allMarkers = [];
Future<void> pickImage() async {
final result = await FilePicker.platform.pickFiles(
type: FileType.image,
);
if (result != null && result.files.single.bytes != null) {
setState(() {
selectedImageBytes = result.files.single.bytes;
allMarkers.clear();
selectedMarker = null;
});
}
}
void _onMarkerAdded(ImageMarker marker) {
setState(() {
allMarkers.add(marker);
});
}
void _onMarkerSelected(ImageMarker marker) {
setState(() {
selectedMarker = marker;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Image Marker Viewer'),
actions: [
IconButton(
icon: const Icon(Icons.download),
onPressed: () {
final json = controller.exportToJson();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('JSON export:\n$json')),
);
},
),
],
),
floatingActionButton: FloatingActionButton(
onPressed: pickImage,
child: const Icon(Icons.add_photo_alternate),
),
body: selectedImageBytes == null
? const Center(child: Text('Henüz bir görsel seçilmedi.'))
: Row(
children: [
// Sol taraf - Görsel
Expanded(
flex: 2,
child: SizedBox(
height: MediaQuery.of(context).size.height ,
width: MediaQuery.of(context).size.width ,
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: ImageMarkerViewer(
image: MemoryImage(selectedImageBytes!),
onMarkerAdded: _onMarkerAdded,
onMarkerSelected: _onMarkerSelected,
),
),
),
),
// Sağ taraf - Marker Bilgileri
Expanded(
flex: 1,
child: Container(
margin: const EdgeInsets.all(16),
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.grey[50],
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.grey[300]!),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.info_outline, color: Colors.grey[700]),
const SizedBox(width: 8),
Text(
'Marker Bilgileri',
style: Theme.of(context)
.textTheme
.titleLarge
?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 20),
// Seçili Marker Bilgisi
if (selectedMarker != null)
Expanded(
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: selectedMarker!.color
.withOpacity(0.1),
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: selectedMarker!.color,
width: 2,
),
),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: selectedMarker!.color,
shape: BoxShape.circle,
border: Border.all(
color: Colors.white,
width: 2,
),
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
selectedMarker!.markerTitle ??
'Başlıksız Marker',
style: Theme.of(context)
.textTheme
.titleMedium
?.copyWith(
fontWeight:
FontWeight.bold,
),
),
),
],
),
if (selectedMarker!.markerTitle !=
null &&
selectedMarker!
.markerTitle!.isNotEmpty) ...[
const SizedBox(height: 12),
Row(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Icon(
Icons.title,
size: 18,
color: Colors.grey[600],
),
const SizedBox(width: 8),
Expanded(
child: Text(
selectedMarker!.markerTitle!,
style: TextStyle(
fontSize: 14,
color: Colors.grey[800],
),
),
),
],
),
],
if (selectedMarker!.note != null &&
selectedMarker!
.note!.isNotEmpty) ...[
const SizedBox(height: 12),
Row(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Icon(
Icons.note,
size: 18,
color: Colors.grey[600],
),
const SizedBox(width: 8),
Expanded(
child: Text(
selectedMarker!.note!,
style: TextStyle(
fontSize: 14,
color: Colors.grey[800],
),
),
),
],
),
],
const SizedBox(height: 12),
Row(
children: [
Icon(
Icons.palette,
size: 18,
color: Colors.grey[600],
),
const SizedBox(width: 8),
Text(
'Renk: ',
style: TextStyle(
fontSize: 14,
color: Colors.grey[600],
),
),
Container(
width: 20,
height: 20,
decoration: BoxDecoration(
color: selectedMarker!.color,
shape: BoxShape.circle,
border: Border.all(
color: Colors.grey[300]!,
),
),
),
const SizedBox(width: 8),
Text(
'#${selectedMarker!.color.value.toRadixString(16).substring(2).toUpperCase()}',
style: TextStyle(
fontSize: 12,
color: Colors.grey[600],
fontFamily: 'monospace',
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
Icon(
Icons.location_on,
size: 18,
color: Colors.grey[600],
),
const SizedBox(width: 8),
Text(
'Pozisyon: ',
style: TextStyle(
fontSize: 14,
color: Colors.grey[600],
),
),
Text(
'(${selectedMarker!.x.toStringAsFixed(2)}, ${selectedMarker!.y.toStringAsFixed(2)})',
style: TextStyle(
fontSize: 12,
color: Colors.grey[800],
fontFamily: 'monospace',
),
),
],
),
],
),
),
],
),
),
)
else
Expanded(
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.touch_app,
size: 64,
color: Colors.grey[400],
),
const SizedBox(height: 16),
Text(
'Marker\'a tıklayın',
style: TextStyle(
fontSize: 16,
color: Colors.grey[600],
),
),
const SizedBox(height: 8),
Text(
'Bilgileri burada görüntüleyin',
style: TextStyle(
fontSize: 14,
color: Colors.grey[500],
),
),
],
),
),
),
const Divider(),
// Tüm Markerlar Listesi
Text(
'Tüm Markerlar (${allMarkers.length})',
style:
Theme.of(context).textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 12),
if (allMarkers.isEmpty)
Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
'Henüz marker eklenmedi',
style: TextStyle(
color: Colors.grey[600],
fontSize: 12,
),
),
)
else
SizedBox(
height: 100,
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: allMarkers.length,
itemBuilder: (context, index) {
final marker = allMarkers[index];
return GestureDetector(
onTap: () {
setState(() {
selectedMarker = marker;
});
},
child: Container(
width: 80,
margin: const EdgeInsets.only(right: 8),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: marker == selectedMarker
? marker.color.withOpacity(0.2)
: Colors.white,
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: marker == selectedMarker
? marker.color
: Colors.grey[300]!,
width: marker == selectedMarker ? 2 : 1,
),
),
child: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: marker.color,
shape: BoxShape.circle,
border: Border.all(
color: Colors.white,
width: 2,
),
),
),
const SizedBox(height: 8),
Text(
marker.markerTitle ??
'Marker ${index + 1}',
style: TextStyle(
fontSize: 10,
fontWeight: FontWeight.bold,
color: Colors.grey[800],
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
),
),
);
},
),
),
],
),
),
),
],
),
);
}
}Metadata
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Metadata
A Flutter package for adding interactive markers on images with custom colors, titles, and notes. Supports web, mobile, and desktop platforms.
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, flutter_colorpicker, get
