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kicap1992
296
lib/pages/mewarna1.dart
Normal file
296
lib/pages/mewarna1.dart
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@ -0,0 +1,296 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_colorpicker/flutter_colorpicker.dart';
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// import 'package:flutter/services.dart';
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// import 'dart:ui' as ui;
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import '../controller/myCustonPainter.dart';
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// import 'package:flutter_hooks/flutter_hooks.dart';
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class Mewarna1Page extends StatefulWidget {
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const Mewarna1Page({Key? key}) : super(key: key);
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@override
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State<Mewarna1Page> createState() => _Mewarna1PageState();
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}
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class _Mewarna1PageState extends State<Mewarna1Page> {
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// List<Offset?> points = [];
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List<DrawingArea?> points = [];
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// List<DrawingArea?> undoPoints = [];
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Color selectedColor = Colors.black.withOpacity(0.08);
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double strokeWidth = 2.0;
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// ui.Image? image;
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late Map args;
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// @override
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// void initState() {
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// // TODO: implement initState
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// super.initState();
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// // selectedColor = Colors.black;
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// // strokeWidth = 2.0;
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// // loadImage('assets/hewan/singa.jpg');
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// args = ModalRoute.of(context)?.settings.arguments as Map;
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// print(args);
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// }
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@override
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void didChangeDependencies() {
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// TODO: implement didChangeDependencies
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super.didChangeDependencies();
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args = ModalRoute.of(context)?.settings.arguments as Map;
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print(args);
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}
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void selectColor() {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Pilih warna'),
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content: SingleChildScrollView(
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child: BlockPicker(
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pickerColor: selectedColor,
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onColorChanged: (color) {
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print(colorToHex(color));
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setState(() {
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selectedColor = color.withOpacity(0.08);
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});
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},
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),
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),
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actions: [
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ElevatedButton(
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child: const Text('OK'),
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onPressed: () {
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Navigator.of(context).pop();
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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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@override
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Widget build(BuildContext context) {
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final double width = MediaQuery.of(context).size.width;
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final double height = MediaQuery.of(context).size.height;
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// final ValueNotifier<List<Offset>> points = useState([]);
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return WillPopScope(
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onWillPop: _onWillPopScope,
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child: Scaffold(
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body: Stack(
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children: [
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Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [
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Color.fromRGBO(138, 35, 135, 1.0),
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Color.fromRGBO(233, 64, 87, 1.0),
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Color.fromRGBO(242, 113, 33, 1.0),
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])),
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),
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Center(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: width * 0.80,
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height: height * 0.80,
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decoration: BoxDecoration(
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borderRadius:
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const BorderRadius.all(Radius.circular(20.0)),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.4),
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blurRadius: 5.0,
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spreadRadius: 1.0,
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)
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],
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image: DecorationImage(
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image: AssetImage("assets/" +
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args['kategori'] +
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"/" +
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args['nama'] +
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".jpg"),
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fit: BoxFit.fill,
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),
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),
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child: GestureDetector(
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onPanDown: (details) {
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setState(() {
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// points.add(details.localPosition);
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// print(points);
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points.add(
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DrawingArea(
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point: details.localPosition,
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areaPaint: Paint()
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..strokeCap = StrokeCap.round
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..isAntiAlias = true
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..color = selectedColor
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..strokeWidth = strokeWidth,
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),
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);
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});
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},
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onPanUpdate: (details) {
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setState(() {
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// points.add(details.localPosition);
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// print(points);
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points.add(
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DrawingArea(
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point: details.localPosition,
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areaPaint: Paint()
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..strokeCap = StrokeCap.round
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..isAntiAlias = true
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..color = selectedColor
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..strokeWidth = strokeWidth,
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),
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);
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});
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},
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onPanEnd: (details) {
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setState(() {
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points.add(null);
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// print(details);
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});
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},
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child: ClipRRect(
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borderRadius:
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const BorderRadius.all(Radius.circular(20.0)),
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child: CustomPaint(
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painter: MyCustomPainter(points: points),
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),
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),
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),
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),
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const SizedBox(
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height: 10,
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),
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Container(
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width: width * 0.80,
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decoration: const BoxDecoration(
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borderRadius: BorderRadius.all(Radius.circular(20.0)),
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color: Colors.white),
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child: Row(
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children: [
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IconButton(
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onPressed: () {
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selectColor();
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},
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icon: Icon(
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Icons.color_lens,
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color: selectedColor.withOpacity(1),
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),
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),
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Expanded(
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child: Slider(
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min: 1.0,
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max: 7.0,
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activeColor: selectedColor.withOpacity(1),
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value: strokeWidth,
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onChanged: (value) {
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setState(() {
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strokeWidth = value;
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});
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},
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),
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),
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GestureDetector(
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onTap: () {
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setState(() {
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if (points.isNotEmpty) {
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points.removeLast();
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}
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});
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},
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onLongPress: () {
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//remove the 10 last points
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setState(() {
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if (points.isNotEmpty) {
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if (points.length > 20) {
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points.removeRange(
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points.length - 20, points.length);
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} else {
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points.clear();
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}
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}
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});
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},
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child: Icon(
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Icons.layers_clear,
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color: Colors.black,
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),
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),
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SizedBox(
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width: 10,
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),
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// IconButton(
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// onPressed: () {
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// // points.clear();
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// // points.removeLast();
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// // search for undoPoints on points and remove it
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// setState(() {
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// // points.removeLast();
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// if (points.isNotEmpty) {
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// points.removeLast();
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// }
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// });
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// },
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// icon: Icon(Icons.layers_clear),
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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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],
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),
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),
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);
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}
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// Future loadImage(String path) async {
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// final data = await rootBundle.load(path);
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// final bytes = data.buffer.asUint8List();
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// final image = await decodeImageFromList(bytes);
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// setState(() {
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// this.image = image;
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// });
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// }
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Future<bool> _onWillPopScope() async {
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// return false;
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return await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Berhenti Mewarna'),
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content: const Text('Apakah anda yakin ingin berhenti mewarna?'),
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actions: [
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ElevatedButton(
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child: const Text('Tidak'),
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onPressed: () {
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Navigator.of(context).pop(false);
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},
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),
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ElevatedButton(
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child: const Text('Ya'),
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onPressed: () {
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Navigator.of(context).pop(true);
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},
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style: ElevatedButton.styleFrom(
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primary: Colors.red,
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// backgroundColor: Colors.red,
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),
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),
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],
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),
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) ??
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false;
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}
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}
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