tsacdop-podcast-app-android/lib/util/custompaint.dart

510 lines
14 KiB
Dart

import 'dart:io';
import 'dart:ui' as ui;
import 'dart:math' as math;
import 'package:flutter/material.dart';
//Layout change indicator
class LayoutPainter extends CustomPainter {
double scale;
Color color;
LayoutPainter(this.scale, this.color);
@override
void paint(Canvas canvas, Size size) {
Paint _paint = Paint()
..color = color
..strokeWidth = 1.0
..style = PaintingStyle.stroke
..strokeCap = StrokeCap.round;
canvas.drawRect(Rect.fromLTRB(0, 0, 10 + 5 * scale, 10), _paint);
canvas.drawRect(
Rect.fromLTRB(10 + 5 * scale, 0, 20 + 10 * scale, 10), _paint);
canvas.drawRect(
Rect.fromLTRB(20 + 5 * scale, 0, 30, 10 - 10 * scale), _paint);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return true;
}
}
//Dark sky used in sleep timer
class StarSky extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
final points = [
Offset(50, 100),
Offset(150, 75),
Offset(250, 250),
Offset(130, 200),
Offset(270, 150),
];
final pisces = [
Offset(9, 4),
Offset(11, 5),
Offset(7, 6),
Offset(10, 7),
Offset(8, 8),
Offset(9, 13),
Offset(12, 17),
Offset(5, 19),
Offset(7, 19)
].map((e) => e * 10).toList();
final orion = [
Offset(3, 1),
Offset(6, 1),
Offset(1, 4),
Offset(2, 4),
Offset(2, 7),
Offset(10, 8),
Offset(3, 10),
Offset(8, 10),
Offset(19, 11),
Offset(11, 13),
Offset(18, 14),
Offset(5, 19),
Offset(7, 19),
Offset(9, 18),
Offset(15, 19),
Offset(16, 18),
Offset(2, 25),
Offset(10, 26)
].map((e) => Offset(e.dx * 10 + 250, e.dy * 10)).toList();
Paint paint = Paint()
..color = Colors.white
..strokeWidth = 2.0
..strokeCap = StrokeCap.round;
canvas.drawPoints(ui.PointMode.points, pisces, paint);
canvas.drawPoints(ui.PointMode.points, points, paint);
canvas.drawPoints(ui.PointMode.points, orion, paint);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return true;
}
}
//Listened indicator
class ListenedPainter extends CustomPainter {
Color _color;
double stroke;
ListenedPainter(this._color, {this.stroke = 1.0});
@override
void paint(Canvas canvas, Size size) {
Paint _paint = Paint()
..color = _color
..strokeWidth = stroke
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
Path _path = Path();
_path.moveTo(size.width / 6, size.height * 3 / 8);
_path.lineTo(size.width / 6, size.height * 5 / 8);
_path.moveTo(size.width / 3, size.height / 4);
_path.lineTo(size.width / 3, size.height * 3 / 4);
_path.moveTo(size.width / 2, size.height / 8);
_path.lineTo(size.width / 2, size.height * 7 / 8);
_path.moveTo(size.width * 5 / 6, size.height * 3 / 8);
_path.lineTo(size.width * 5 / 6, size.height * 5 / 8);
_path.moveTo(size.width * 2 / 3, size.height / 4);
_path.lineTo(size.width * 2 / 3, size.height * 3 / 4);
canvas.drawPath(_path, _paint);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return true;
}
}
//Listened Completely indicator
class ListenedAllPainter extends CustomPainter {
Color _color;
double stroke;
ListenedAllPainter(this._color, {this.stroke = 1.0});
@override
void paint(Canvas canvas, Size size) {
Paint _paint = Paint()
..color = _color
..strokeWidth = stroke
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
Path _path = Path();
_path.moveTo(size.width / 6, size.height * 3 / 8);
_path.lineTo(size.width / 6, size.height * 5 / 8);
_path.moveTo(size.width / 3, size.height / 4);
_path.lineTo(size.width / 3, size.height * 3 / 4);
_path.moveTo(size.width / 2, size.height * 3 / 8);
_path.lineTo(size.width / 2, size.height * 5 / 8);
_path.moveTo(size.width * 2 / 3, size.height * 4 / 9);
_path.lineTo(size.width * 2 / 3, size.height * 5 / 9);
_path.moveTo(size.width / 2, size.height * 3 / 4);
_path.lineTo(size.width * 2 / 3, size.height * 7 / 8);
_path.lineTo(size.width * 7 / 8, size.height * 5 / 8);
canvas.drawPath(_path, _paint);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return true;
}
}
//Wave play indicator
class WavePainter extends CustomPainter {
double _fraction;
double _value;
Color _color;
WavePainter(this._fraction, this._color);
@override
void paint(Canvas canvas, Size size) {
if (_fraction < 0.5) {
_value = _fraction;
} else {
_value = 1 - _fraction;
}
Path _path = Path();
Paint _paint = Paint()
..color = _color
..strokeWidth = 2.0
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
_path.moveTo(0, size.height / 2);
_path.lineTo(0, size.height / 2 + size.height * _value * 0.2);
_path.moveTo(0, size.height / 2);
_path.lineTo(0, size.height / 2 - size.height * _value * 0.2);
_path.moveTo(size.width / 4, size.height / 2);
_path.lineTo(size.width / 4, size.height / 2 + size.height * _value * 0.8);
_path.moveTo(size.width / 4, size.height / 2);
_path.lineTo(size.width / 4, size.height / 2 - size.height * _value * 0.8);
_path.moveTo(size.width / 2, size.height / 2);
_path.lineTo(size.width / 2, size.height / 2 + size.height * _value * 0.5);
_path.moveTo(size.width / 2, size.height / 2);
_path.lineTo(size.width / 2, size.height / 2 - size.height * _value * 0.5);
_path.moveTo(size.width * 3 / 4, size.height / 2);
_path.lineTo(
size.width * 3 / 4, size.height / 2 + size.height * _value * 0.6);
_path.moveTo(size.width * 3 / 4, size.height / 2);
_path.lineTo(
size.width * 3 / 4, size.height / 2 - size.height * _value * 0.6);
_path.moveTo(size.width, size.height / 2);
_path.lineTo(size.width, size.height / 2 + size.height * _value * 0.2);
_path.moveTo(size.width, size.height / 2);
_path.lineTo(size.width, size.height / 2 - size.height * _value * 0.2);
canvas.drawPath(_path, _paint);
}
@override
bool shouldRepaint(WavePainter oldDelegate) {
return oldDelegate._fraction != _fraction;
}
}
class WaveLoader extends StatefulWidget {
final Color color;
WaveLoader({this.color, Key key}) : super(key: key);
@override
_WaveLoaderState createState() => _WaveLoaderState();
}
class _WaveLoaderState extends State<WaveLoader>
with SingleTickerProviderStateMixin {
double _fraction = 0.0;
Animation animation;
AnimationController _controller;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this, duration: Duration(milliseconds: 1000));
animation = Tween(begin: 0.0, end: 1.0).animate(_controller)
..addListener(() {
if (mounted)
setState(() {
_fraction = animation.value;
});
});
_controller.forward();
_controller.addStatusListener((status) {
if (status == AnimationStatus.completed) {
_controller.reset();
} else if (status == AnimationStatus.dismissed) {
_controller.forward();
}
});
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return CustomPaint(
painter: WavePainter(_fraction, widget.color ?? Colors.white));
}
}
//Love shape
class LovePainter extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
Path _path = Path();
Paint _paint = Paint()
..color = Colors.red
..strokeWidth = 2.0
..strokeCap = StrokeCap.round;
_path.moveTo(size.width / 2, size.height / 6);
_path.quadraticBezierTo(size.width / 4, 0, size.width / 8, size.height / 6);
_path.quadraticBezierTo(
0, size.height / 3, size.width / 8, size.height * 0.55);
_path.quadraticBezierTo(
size.width / 4, size.height * 0.8, size.width / 2, size.height);
_path.quadraticBezierTo(size.width * 0.75, size.height * 0.8,
size.width * 7 / 8, size.height * 0.55);
_path.quadraticBezierTo(
size.width, size.height / 3, size.width * 7 / 8, size.height / 6);
_path.quadraticBezierTo(
size.width * 3 / 4, 0, size.width / 2, size.height / 6);
canvas.drawPath(_path, _paint);
}
@override
bool shouldRepaint(CustomPainter oldDelegate) {
return true;
}
}
//Line buffer indicator
//Not used
class LinePainter extends CustomPainter {
double _fraction;
Paint _paint;
Color _maincolor;
LinePainter(this._fraction, this._maincolor) {
_paint = Paint()
..color = _maincolor
..strokeWidth = 2.0
..strokeCap = StrokeCap.round;
}
@override
void paint(Canvas canvas, Size size) {
canvas.drawLine(Offset(0, size.height / 2.0),
Offset(size.width * _fraction, size.height / 2.0), _paint);
}
@override
bool shouldRepaint(LinePainter oldDelegate) {
return oldDelegate._fraction != _fraction;
}
}
class LineLoader extends StatefulWidget {
@override
_LineLoaderState createState() => _LineLoaderState();
}
class _LineLoaderState extends State<LineLoader>
with SingleTickerProviderStateMixin {
double _fraction = 0.0;
Animation animation;
AnimationController controller;
@override
void initState() {
super.initState();
controller =
AnimationController(vsync: this, duration: Duration(milliseconds: 500));
animation = Tween(begin: 0.0, end: 1.0).animate(controller)
..addListener(() {
if (mounted)
setState(() {
_fraction = animation.value;
});
});
controller.forward();
controller.addStatusListener((status) {
if (status == AnimationStatus.completed) {
controller.reset();
} else if (status == AnimationStatus.dismissed) {
controller.forward();
}
});
}
@override
void dispose() {
controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return CustomPaint(
painter: LinePainter(_fraction, Theme.of(context).accentColor));
}
}
class ImageRotate extends StatefulWidget {
final String title;
final String path;
ImageRotate({this.title, this.path, Key key}) : super(key: key);
@override
_ImageRotateState createState() => _ImageRotateState();
}
class _ImageRotateState extends State<ImageRotate>
with SingleTickerProviderStateMixin {
Animation _animation;
AnimationController _controller;
double _value;
@override
void initState() {
super.initState();
_value = 0;
_controller = AnimationController(
vsync: this,
duration: Duration(milliseconds: 2000),
);
_animation = Tween(begin: 0.0, end: 1.0).animate(_controller)
..addListener(() {
if (mounted)
setState(() {
_value = _animation.value;
});
});
_controller.forward();
_controller.addStatusListener((status) {
if (status == AnimationStatus.completed) {
_controller.reset();
} else if (status == AnimationStatus.dismissed) {
_controller.forward();
}
});
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Transform.rotate(
angle: 2 * math.pi * _value,
child: Container(
padding: EdgeInsets.all(10.0),
child: ClipRRect(
borderRadius: BorderRadius.all(Radius.circular(15.0)),
child: Container(
height: 30.0,
width: 30.0,
color: Colors.white,
child: Image.file(File("${widget.path}")),
),
),
),
);
}
}
class LoveOpen extends StatefulWidget {
@override
_LoveOpenState createState() => _LoveOpenState();
}
class _LoveOpenState extends State<LoveOpen>
with SingleTickerProviderStateMixin {
Animation _animationA;
AnimationController _controller;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this,
duration: Duration(milliseconds: 300),
);
_animationA = Tween(begin: 0.0, end: 1.0).animate(_controller)
..addListener(() {
if (mounted) setState(() {});
});
_controller.forward();
_controller.addStatusListener((status) {
if (status == AnimationStatus.completed) {
_controller.reset();
}
});
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Widget _littleHeart(double scale, double value, double angle) => Container(
alignment: Alignment.centerLeft,
padding: EdgeInsets.only(left: value),
child: ScaleTransition(
scale: _animationA,
alignment: Alignment.center,
child: Transform.rotate(
angle: angle,
child: SizedBox(
height: 5 * scale,
width: 6 * scale,
child: CustomPaint(
painter: LovePainter(),
),
),
),
),
);
@override
Widget build(BuildContext context) {
return Container(
width: 50,
height: 50,
alignment: Alignment.center,
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Row(
children: <Widget>[
_littleHeart(0.5, 10, -math.pi / 6),
_littleHeart(1.2, 3, 0),
],
),
Row(
children: <Widget>[
_littleHeart(0.8, 6, math.pi * 1.5),
_littleHeart(0.9, 24, math.pi / 2),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
_littleHeart(1, 8, -math.pi * 0.7),
_littleHeart(0.8, 8, math.pi),
_littleHeart(0.6, 3, -math.pi * 1.2)
],
),
],
),
);
}
}