pskink

import 'dart:ui' as ui;
import 'package:flutter/foundation.dart';
import 'package:flutter/painting.dart';

// sample code
/*
class CornerDecorationTest extends StatefulWidget {
  @override
  _CornerDecorationTestState createState() => _CornerDecorationTestState();
}

pskink

class RoundedListView extends StatefulWidget {
  @override
  _RoundedListViewState createState() => _RoundedListViewState();
}

class _RoundedListViewState extends State<RoundedListView> with TickerProviderStateMixin {
  var size = 32;

  @override
  Widget build(BuildContext context) {

pskink

/// Return a scaled and translated [Matrix4] that maps [src] to [dst] for given [fit]
/// aligned by [alignment] within [dst]
///
/// For example, if you have a [CustomPainter] with size 300 x 200 logical pixels and
/// you want to draw an expanded, centered image with size 80 x 100 you can do the following:
/// 
/// ```dart
///  canvas.save();
///  var matrix = sizeToRect(imageSize, Offset.zero & customPainterSize);
///  canvas.transform(matrix.storage);

pskink

import 'dart:ui' as ui;

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:path_drawing/path_drawing.dart';

class WorldMap extends StatelessWidget {
  final notifier = ValueNotifier(Offset.zero);

  @override

pskink

class BlurView extends StatefulWidget {
  final String imagePath;
  const BlurView(this.imagePath, {Key key}) : super(key: key);

  @override
  _BlurViewState createState() => _BlurViewState();
}

class _BlurViewState extends State<BlurView> {
  ui.Image image;

pskink

class LongPressRipple extends StatefulWidget {
  final Widget child;
  final VoidCallback onLongPress;

  LongPressRipple({
    Key key,
    this.child,
    @required this.onLongPress,
  }) : assert(onLongPress != null), super(key: key);

pskink

class FruitColorizer extends TextEditingController {
  final Map<String, TextStyle> mapping;
  final Pattern pattern;

  FruitColorizer(this.mapping)
    : pattern = RegExp(mapping.keys.map((key) => RegExp.escape(key)).join('|'));

  FruitColorizer.fromColors(Map<String, Color> colorMap)
    : this(colorMap.map((text, color) => MapEntry(text, TextStyle(color: color))));

pskink

class AnimatedTransform extends ImplicitlyAnimatedWidget {
  const AnimatedTransform({
    Key key,
    @required this.transform,
    this.alignment = Alignment.center,
    this.child,
    Curve curve = Curves.linear,
    @required Duration duration,
    VoidCallback onEnd,
  }) : assert(transform != null), assert(alignment != null),

pskink

import 'dart:math';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

void main() {
  // debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;
  runApp(MaterialApp(
    home: Scaffold(

pskink

import 'dart:math';
import 'dart:ui';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/physics.dart';
import 'package:flutter/scheduler.dart';

void main() {
//  debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;