Made build portable

dependencies/bitsdojo_window-0.1.5/lib/src/icons/icons.dart

@@ -0,0 +1,114 @@
+import 'dart:math';
+
+import 'package:flutter/widgets.dart';
+
+// Switched to CustomPaint icons by https://github.com/esDotDev
+
+/// Close
+class CloseIcon extends StatelessWidget {
+  final Color color;
+  CloseIcon({Key? key, required this.color}) : super(key: key);
+  @override
+  Widget build(BuildContext context) => Align(
+        alignment: Alignment.topLeft,
+        child: Stack(children: [
+          // Use rotated containers instead of a painter because it renders slightly crisper than a painter for some reason.
+          Transform.rotate(
+              angle: pi * .25,
+              child:
+                  Center(child: Container(width: 14, height: 1, color: color))),
+          Transform.rotate(
+              angle: pi * -.25,
+              child:
+                  Center(child: Container(width: 14, height: 1, color: color))),
+        ]),
+      );
+}
+
+/// Maximize
+class MaximizeIcon extends StatelessWidget {
+  final Color color;
+  MaximizeIcon({Key? key, required this.color}) : super(key: key);
+  @override
+  Widget build(BuildContext context) => _AlignedPaint(_MaximizePainter(color));
+}
+
+class _MaximizePainter extends _IconPainter {
+  _MaximizePainter(Color color) : super(color);
+  @override
+  void paint(Canvas canvas, Size size) {
+    Paint p = getPaint(color);
+    canvas.drawRect(Rect.fromLTRB(0, 0, size.width - 1, size.height - 1), p);
+  }
+}
+
+/// Restore
+class RestoreIcon extends StatelessWidget {
+  final Color color;
+  RestoreIcon({
+    Key? key,
+    required this.color,
+  }) : super(key: key);
+  @override
+  Widget build(BuildContext context) => _AlignedPaint(_RestorePainter(color));
+}
+
+class _RestorePainter extends _IconPainter {
+  _RestorePainter(Color color) : super(color);
+  @override
+  void paint(Canvas canvas, Size size) {
+    Paint p = getPaint(color);
+    canvas.drawRect(Rect.fromLTRB(0, 2, size.width - 2, size.height), p);
+    canvas.drawLine(Offset(2, 2), Offset(2, 0), p);
+    canvas.drawLine(Offset(2, 0), Offset(size.width, 0), p);
+    canvas.drawLine(
+        Offset(size.width, 0), Offset(size.width, size.height - 2), p);
+    canvas.drawLine(Offset(size.width, size.height - 2),
+        Offset(size.width - 2, size.height - 2), p);
+  }
+}
+
+/// Minimize
+class MinimizeIcon extends StatelessWidget {
+  final Color color;
+  MinimizeIcon({Key? key, required this.color}) : super(key: key);
+  @override
+  Widget build(BuildContext context) => _AlignedPaint(_MinimizePainter(color));
+}
+
+class _MinimizePainter extends _IconPainter {
+  _MinimizePainter(Color color) : super(color);
+  @override
+  void paint(Canvas canvas, Size size) {
+    Paint p = getPaint(color);
+    canvas.drawLine(
+        Offset(0, size.height / 2), Offset(size.width, size.height / 2), p);
+  }
+}
+
+/// Helpers
+abstract class _IconPainter extends CustomPainter {
+  _IconPainter(this.color);
+  final Color color;
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
+}
+
+class _AlignedPaint extends StatelessWidget {
+  const _AlignedPaint(this.painter, {Key? key}) : super(key: key);
+  final CustomPainter painter;
+
+  @override
+  Widget build(BuildContext context) {
+    return Align(
+        alignment: Alignment.center,
+        child: CustomPaint(size: Size(10, 10), painter: painter));
+  }
+}
+
+Paint getPaint(Color color, [bool isAntiAlias = false]) => Paint()
+  ..color = color
+  ..style = PaintingStyle.stroke
+  ..isAntiAlias = isAntiAlias
+  ..strokeWidth = 1;