From 2ea12bce093aff79297781058a58af00514450ea Mon Sep 17 00:00:00 2001 From: toly <1981462002@qq.com> Date: Wed, 16 Feb 2022 21:18:35 +0800 Subject: [PATCH] =?UTF-8?q?=E7=BB=98=E5=88=B6=E5=86=B0=E5=A2=A9=E5=A2=A9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- assets/images/logo1.webp | Bin 0 -> 15174 bytes lib/painter_system/anim/dundun_path.dart | 265 +++++++++++++ lib/painter_system/fun/dundun_view.dart | 453 +++++++++++++++++++++++ lib/painter_system/gallery_factory.dart | 13 + 4 files changed, 731 insertions(+) create mode 100644 assets/images/logo1.webp create mode 100644 lib/painter_system/anim/dundun_path.dart create mode 100644 lib/painter_system/fun/dundun_view.dart diff --git a/assets/images/logo1.webp b/assets/images/logo1.webp new file mode 100644 index 0000000000000000000000000000000000000000..4e0dfcb61eb97a19a8cd73b10b3a647d594ba2e2 GIT binary patch literal 15174 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z0U3vI!z_GWrzM{ktJohCCS9b;O3?>`_i!2A9NjRka&W!L#KLe^p%a#YvjH4So9jpY zt!QD-tkWpyn8R90V4dqK4=X?X$m02$RY5{pOjWU{0Xf _DunDunPathPageState(); +} + +class _DunDunPathPageState extends Statewith SingleTickerProviderStateMixin { + ui.Image? logo2Image; + + late AnimationController _controller; + + + @override + void initState() { + super.initState(); + loadImage(); + _controller = AnimationController( + duration: const Duration(seconds: 3), + vsync: this, + )..forward(); + } + + @override + void dispose() { + _controller.dispose(); + super.dispose(); + } + + void loadImage() async { + ByteData data2 = await rootBundle.load('assets/images/logo1.webp'); + logo2Image = await decodeImageFromList(data2.buffer.asUint8List()); + if (mounted) setState(() {}); + } + + @override + Widget build(BuildContext context) { + return Scaffold( + body: Center( + child: GestureDetector( + onTap: (){ + _controller.reset(); + _controller.forward(); + }, + child: CustomPaint( + painter: DunDunPainter(logo2Image,_controller), + size: const Size(200, 200), + ), + ), + ), + ); + } +} + +class DunDunPainter extends CustomPainter { + + final ui.Image? logo2Image; + final Animation repaint; + + DunDunPainter(this.logo2Image,this.repaint):super(repaint: repaint); + + final Paint helpPaint = Paint() + ..style = PaintingStyle.stroke + ..color = Colors.blue; + final Paint pathPaint = Paint()..style = PaintingStyle.stroke; + + @override + void paint(Canvas canvas, Size size) { + if (logo2Image!=null) { + Rect src2 = Rect.fromLTWH( + 0, 0, logo2Image!.width.toDouble(), logo2Image!.height.toDouble()); + Rect dst2 = Rect.fromLTWH(85, 132, 899/27, 1066/27); + canvas.drawImageRect(logo2Image!, src2, dst2, Paint()); + } + + Path dundunPath = Path(); + canvas.translate(30, 80); + helpPaint.color = Colors.red; + + Path bodyPath = buildBodyPath(); + Path leftHandPath = buildLeftHandPath(); + Path rightHandPath = buildRightHandPath(); + + canvas.save(); + Path eyePath = Path(); + Matrix4 m = Matrix4.translationValues(46,-12, 0).multiplied( + Matrix4.rotationZ(45 / 180 * pi) + ); + eyePath + .addOval(Rect.fromCenter(center: Offset(0, 0), width: 32, height: 49)); + eyePath = eyePath.transform(m.storage); + canvas.restore(); + + Path leftEyePath = Path(); + leftEyePath.addOval(Rect.fromCenter(center: Offset(50, -13), width: 18, height: 18)); + + Path leftEyePath2 = Path(); + leftEyePath2.addOval(Rect.fromCenter(center: Offset(50, -13), width: 7, height: 7)); + + Path leftEyePath3 = Path(); + leftEyePath3.addOval(Rect.fromCenter(center: Offset(51, -19), width: 4, height: 4)); + + + Path rightEyePath = Path(); + rightEyePath.addOval(Rect.fromCenter(center: Offset(98, -14), width: 17, height: 17)); + + Path rightEyePath2 = Path(); + rightEyePath2.addOval(Rect.fromCenter(center: Offset(98, -14), width: 7, height: 7)); + + Path rightEyePath3 = Path(); + rightEyePath3.addOval(Rect.fromCenter(center: Offset(98, -19), width: 4, height: 4)); + + Path nosePath = Path(); + nosePath.moveTo(79, -0,); + nosePath.relativeLineTo(14, -14,); + nosePath.relativeLineTo(-28, 0,); + nosePath.close(); + Path clipCirclePath =Path(); + clipCirclePath.addOval(Rect.fromCenter(center: Offset(79, -10,), width: 14, height: 14)); + nosePath = Path.combine(PathOperation.intersect, nosePath, clipCirclePath); + Path smaliPath = Path(); + smaliPath.moveTo(65, -0,); + + smaliPath.quadraticBezierTo(78, 15, 90, 0); + smaliPath.quadraticBezierTo(78, 6, 65, 0,); + + Path colorfulPath = Path(); + colorfulPath.addOval(Rect.fromCenter(center: Offset(72, -5,), width: 120, height: 110)); + colorfulPath.addOval(Rect.fromCenter(center: Offset(72, -5,), width: 110, height: 100)); + colorfulPath.addOval(Rect.fromCenter(center: Offset(72, -5,), width: 115, height: 110)); + colorfulPath.addOval(Rect.fromCenter(center: Offset(72, -5,), width: 120, height: 105)); + colorfulPath.addOval(Rect.fromCenter(center: Offset(72, -5,), width: 115, height: 105)); + + canvas.save(); + Path eyePath2 = Path(); + Matrix4 m2 = Matrix4.translationValues(105,-12,0).multiplied( + Matrix4.rotationZ(-40 / 180 * pi) + ); + eyePath2 + .addOval(Rect.fromCenter(center: Offset(0, 0), width: 29, height: 48)); + eyePath2 = eyePath2.transform(m2.storage); + canvas.restore(); + Path leftFootPath = buildFootPath(); + Path erPath = buildErPath(); + + //爱心 + List arr = []; + int len = 50; + double a =1; + for (int i = 0; i < len; i++) { + double step = (i / len) * (pi * 2); //递增的θ + Offset offset = Offset( + a * (11 * pow(sin(step), 3)).toDouble() , + -a * + (9 * cos(step) - + 5 * cos(2 * step) - + 2 * cos(3 * step) - + cos(4 * step)), + ); + arr.add(offset); + } + Path starPath = Path(); + for (int i = 0; i < len; i++) { + starPath.lineTo(arr[i].dx, arr[i].dy); + } + starPath = starPath.shift(Offset(152,-20)); + + dundunPath.addPath(bodyPath, Offset.zero); + dundunPath.addPath(leftHandPath, Offset.zero); + dundunPath.addPath(rightHandPath, Offset.zero); + dundunPath.addPath(leftFootPath, Offset.zero); + dundunPath.addPath(erPath, Offset.zero); + dundunPath.addPath(eyePath, Offset.zero); + dundunPath.addPath(eyePath2, Offset.zero); + dundunPath.addPath(leftEyePath, Offset.zero); + dundunPath.addPath(leftEyePath2, Offset.zero); + dundunPath.addPath(leftEyePath3, Offset.zero); + dundunPath.addPath(rightEyePath, Offset.zero); + dundunPath.addPath(rightEyePath2, Offset.zero); + dundunPath.addPath(rightEyePath3, Offset.zero); + dundunPath.addPath(nosePath, Offset.zero); + dundunPath.addPath(starPath, Offset.zero); + dundunPath.addPath(colorfulPath, Offset.zero); + dundunPath.addPath(smaliPath, Offset.zero); + + pathPaint + ..strokeWidth = 1 + ..color = Colors.cyanAccent; + PathMetrics pms = dundunPath.computeMetrics(); + pms.forEach((pm) { + canvas.drawPath(pm.extractPath(0, pm.length * repaint.value), pathPaint); + }); + } + + Path buildBodyPath() { + Path path = Path(); + path.quadraticBezierTo(10, -75, 75, -75); + path.quadraticBezierTo(135, -70, 138, 0); + path.quadraticBezierTo(130, 90, 65, 98); + path.quadraticBezierTo(-5, 85, 0, 0); + return path; + } + + Path buildLeftHandPath() { + Path path = Path(); + path.quadraticBezierTo( + -17, + 14, + -28, + 40, + ); + path.quadraticBezierTo(-32, 58, -15, 62); + path.quadraticBezierTo(10, 60, 0, 0); + return path; + } + + Path buildRightHandPath() { + Path path = Path(); + path.moveTo(135, -20); + path.quadraticBezierTo(140, -48, 165, -35); + path.quadraticBezierTo(180, -17, 135, 22); + path.quadraticBezierTo(125, 17, 135, -20); + return path; + } + + Path buildFootPath() { + Path path = Path(); + path.moveTo(18, 78); + path.quadraticBezierTo(18, 100, 22, 115); + path.quadraticBezierTo(60, 125, 55, 98); + path.quadraticBezierTo(35, 80, 18, 78); + + Path right = path + .transform(Matrix4.diagonal3Values(-1, 1, 1).storage) + .shift(const Offset(128, 0)); + + return Path.combine(PathOperation.union, path, right); + } + + Path buildErPath() { + Path path = Path(); + path.moveTo(13, -40); + path.quadraticBezierTo(8, -95, 40, -68); + path.quadraticBezierTo(40, -55, 13, -40); + + Path right = path + .transform(Matrix4.diagonal3Values(-1, 1, 1).storage) + .shift(const Offset(138, -5)); + + return Path.combine(PathOperation.union, path, right); + } + + @override + bool shouldRepaint(covariant CustomPainter oldDelegate) => false; +} diff --git a/lib/painter_system/fun/dundun_view.dart b/lib/painter_system/fun/dundun_view.dart new file mode 100644 index 0000000..ead4687 --- /dev/null +++ b/lib/painter_system/fun/dundun_view.dart @@ -0,0 +1,453 @@ +import 'dart:math'; +import 'dart:typed_data'; +import 'dart:ui' as ui; +import 'dart:ui'; + +import 'package:flutter/cupertino.dart'; +import 'package:flutter/material.dart'; +import 'package:flutter/services.dart'; + +class DunDunView extends StatefulWidget { + const DunDunView({Key? key}) : super(key: key); + + @override + _DunDunViewState createState() => _DunDunViewState(); +} + +class _DunDunViewState extends State { + ui.Image? image; + + @override + void initState() { + super.initState(); + loadImage(); + } + + void loadImage() async { + ByteData data2 = await rootBundle.load('assets/images/logo1.png'); + image = await decodeImageFromList(data2.buffer.asUint8List()); + if (mounted) setState(() {}); + } + + @override + Widget build(BuildContext context) { + return Scaffold( + body: Center( + child: CustomPaint( + painter: DunDunPainter( + image, + ), + size: const Size(200, 200), + ), + ), + ); + } +} + +class DunDunPainter extends CustomPainter { + final ui.Image? image; + + DunDunPainter(this.image); + + final Paint helpPaint = Paint() + ..style = PaintingStyle.stroke + ..color = Colors.blue; + final Paint pathPaint = Paint()..style = PaintingStyle.stroke; + + @override + void paint(Canvas canvas, Size size) { + + canvas.translate(30, 80); + helpPaint.color = Colors.red; + + pathPaint.style = PaintingStyle.fill; + + Path leftHandPath = buildLeftHandPath(); + pathPaint.color = Colors.black; + canvas.drawPath(leftHandPath, pathPaint); + + Path erPath = buildErPath(); + canvas.drawPath(erPath, pathPaint); + + Path rightHandPath = buildRightHandPath(); + pathPaint.color = Colors.black; + canvas.drawPath(rightHandPath, pathPaint); + + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Color(0xffF1F4F7); + + Path bodyPath = buildBodyPath(); + canvas.drawPath(bodyPath, pathPaint); + + canvas.save(); + Path eyePath = Path(); + Matrix4 m = Matrix4.translationValues(46, -12, 0) + .multiplied(Matrix4.rotationZ(45 / 180 * pi)); + eyePath + .addOval(Rect.fromCenter(center: Offset(0, 0), width: 32, height: 49)); + eyePath = eyePath.transform(m.storage); + pathPaint.color = Colors.black; + canvas.drawPath(eyePath, pathPaint); + canvas.restore(); + + Path nosePath = Path(); + nosePath.moveTo(79, -0); + nosePath.relativeLineTo(12, -12); + nosePath.relativeLineTo(-24, 0); + nosePath.close(); + Path clipCirclePath = Path(); + clipCirclePath.addOval( + Rect.fromCenter(center: Offset(79, -10), width: 12, height: 12)); + + nosePath = Path.combine(PathOperation.intersect, nosePath, clipCirclePath); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.black; + canvas.drawPath(nosePath, pathPaint); + + Path smaliPath = Path(); + smaliPath.moveTo(65, -0); + + smaliPath.quadraticBezierTo(78, 15, 90, 0); + smaliPath.quadraticBezierTo(78, 6, 65, 0); + pathPaint.color = Colors.red; + canvas.drawPath(smaliPath, pathPaint); + canvas.drawPath( + smaliPath, + pathPaint + ..style = PaintingStyle.stroke + ..strokeWidth = 1 + ..color = Colors.black); + + Paint colorfulPaint = Paint()..style = PaintingStyle.stroke; + List colors = [ + Color(0xFFF60C0C), + Color(0xFFF3B913), + Color(0xFFE7F716), + Color(0xFF3DF30B), + Color(0xFF0DF6EF), + Color(0xFF0829FB), + Color(0xFFB709F4), + ]; + final List pos = + List.generate(colors.length, (index) => index / colors.length); + colorfulPaint.shader = ui.Gradient.sweep( + Offset(60, -5), colors, pos, TileMode.clamp, 0, 2 * pi); + colorfulPaint.maskFilter = MaskFilter.blur(BlurStyle.solid, 2); + + Path colorfulPath = Path(); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 120, height: 110)); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 110, height: 100)); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 115, height: 110)); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 120, height: 105)); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 115, height: 105)); + colorfulPath.addOval( + Rect.fromCenter(center: Offset(72, -5), width: 117, height: 103)); + canvas.drawPath(colorfulPath, colorfulPaint); + + canvas.save(); + Path eyePath2 = Path(); + Matrix4 m2 = Matrix4.translationValues(105, -12, 0) + .multiplied(Matrix4.rotationZ(-40 / 180 * pi)); + eyePath2 + .addOval(Rect.fromCenter(center: Offset(0, 0), width: 29, height: 48)); + eyePath2 = eyePath2.transform(m2.storage); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.black; + canvas.drawPath(eyePath2, pathPaint); + + canvas.restore(); + Path rightEyePath = Path(); + rightEyePath.addOval( + Rect.fromCenter(center: Offset(98, -14), width: 17, height: 17)); + pathPaint.style = PaintingStyle.stroke; + pathPaint.color = Colors.white; + canvas.drawPath(rightEyePath, pathPaint..strokeWidth = 2); + + Path rightEyePath2 = Path(); + rightEyePath2 + .addOval(Rect.fromCenter(center: Offset(98, -14), width: 7, height: 7)); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.white.withOpacity(0.4); + canvas.drawPath(rightEyePath2, pathPaint); + + Path rightEyePath3 = Path(); + rightEyePath3 + .addOval(Rect.fromCenter(center: Offset(98, -19), width: 4, height: 4)); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.white; + canvas.drawPath(rightEyePath3, pathPaint); + + Path leftEyePath = Path(); + leftEyePath.addOval( + Rect.fromCenter(center: Offset(50, -13), width: 18, height: 18)); + pathPaint.style = PaintingStyle.stroke; + pathPaint.color = Colors.white; + canvas.drawPath(leftEyePath, pathPaint..strokeWidth = 2); + + Path leftEyePath2 = Path(); + leftEyePath2 + .addOval(Rect.fromCenter(center: Offset(50, -13), width: 7, height: 7)); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.white.withOpacity(0.4); + canvas.drawPath(leftEyePath2, pathPaint); + + Path leftEyePath3 = Path(); + leftEyePath3 + .addOval(Rect.fromCenter(center: Offset(51, -19), width: 4, height: 4)); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.white; + canvas.drawPath(leftEyePath3, pathPaint); + + Path leftFootPath = buildFootPath(); + pathPaint.style = PaintingStyle.fill; + pathPaint.color = Colors.black; + canvas.drawPath(leftFootPath, pathPaint); + + //爱心 + List arr = []; + int len = 50; + double a = 1; + for (int i = 0; i < len; i++) { + double step = (i / len) * (pi * 2); //递增的θ + Offset offset = Offset( + a * (11 * pow(sin(step), 3)).toDouble(), + -a * + (9 * cos(step) - + 5 * cos(2 * step) - + 2 * cos(3 * step) - + cos(4 * step)), + ); + arr.add(offset); + } + + Path starPath = Path(); + for (int i = 0; i < len; i++) { + starPath.lineTo(arr[i].dx, arr[i].dy); + } + pathPaint..color = Colors.red; + starPath = starPath.shift(Offset(152, -20)); + canvas.drawPath(starPath, pathPaint); + + if (image != null) { + Rect src2 = Rect.fromLTWH( + 0, 0, image!.width.toDouble(), image!.height.toDouble()); + Rect dst2 = Rect.fromLTWH(50, 55, 899 / 27, 1066 / 27); + + canvas.drawImageRect(image!, src2, dst2, Paint()); + } + + Path dundunOutLine = Path.combine( + PathOperation.union, + Path.combine( + PathOperation.union, + Path.combine( + PathOperation.union, + Path.combine(PathOperation.union, bodyPath, leftFootPath), + rightHandPath), + leftHandPath), + erPath); + Paint outLinePainter = Paint() + ..style = PaintingStyle.stroke + ..color = Colors.black + ..strokeWidth = 3; + outLinePainter.maskFilter = MaskFilter.blur(BlurStyle.outer, 4); + canvas.drawPath(dundunOutLine, outLinePainter); + + Path p2 = Path() + ..addOval(Rect.fromCenter( + center: Offset( + 72, + -5, + ), + width: 126, + height: 116)); + + outLinePainter.maskFilter = MaskFilter.blur(BlurStyle.outer, 4); + canvas.drawPath( + p2, + outLinePainter + ..color = Colors.black + ..strokeWidth = 2); + } + + Path buildBodyPath() { + Path path = Path(); + path.quadraticBezierTo(10, -75, 75, -75); + path.quadraticBezierTo(135, -70, 138, 0); + path.quadraticBezierTo(130, 90, 65, 98); + path.quadraticBezierTo(-5, 85, 0, 0); + return path; + } + + Path buildLeftHandPath() { + Path path = Path(); + path.quadraticBezierTo( + -17, + 14, + -28, + 40, + ); + path.quadraticBezierTo(-32, 58, -15, 62); + path.quadraticBezierTo(10, 60, 0, 0); + return path; + } + + Path buildRightHandPath() { + Path path = Path(); + path.moveTo(135, -20); + path.quadraticBezierTo(140, -48, 165, -35); + path.quadraticBezierTo(180, -17, 135, 22); + path.quadraticBezierTo(125, 17, 135, -20); + return path; + } + + Path buildFootPath() { + Path path = Path(); + path.moveTo(18, 78); + path.quadraticBezierTo(18, 100, 22, 115); + path.quadraticBezierTo(60, 125, 55, 98); + path.quadraticBezierTo(35, 80, 18, 78); + + Path right = path + .transform(Matrix4.diagonal3Values(-1, 1, 1).storage) + .shift(const Offset(128, 0)); + + return Path.combine(PathOperation.union, path, right); + } + + Path buildErPath() { + Path path = Path(); + path.moveTo(13, -40); + path.quadraticBezierTo(8, -95, 40, -68); + path.quadraticBezierTo(40, -55, 13, -40); + + Path right = path + .transform(Matrix4.diagonal3Values(-1, 1, 1).storage) + .shift(const Offset(138, -5)); + + return Path.combine(PathOperation.union, path, right); + } + + void paintBodyPoints(ui.Canvas canvas) { + helpPaint.strokeWidth = 4; + canvas.drawPoints( + ui.PointMode.points, + [ + Offset(10, -68), + Offset(75, -75), + + Offset(135, -70), + Offset(138, 0), + + Offset(130, 90), + Offset(65, 98), + + // Offset(55,98), + // Offset(18,78), + + Offset(-5, 85), + Offset(0, 0), + ], + helpPaint); + } + + void paintErPoints(ui.Canvas canvas) { + helpPaint.strokeWidth = 4; + canvas.drawPoints( + ui.PointMode.points, + [ + Offset( + 13, + -40, + ), + Offset( + 40, + -68, + ), + Offset(40, -55), + Offset( + 8, + -95, + ), + // Offset(18, 78), + // Offset(22, 115), + // Offset(55, 98), + // Offset( + // 40, + // 80, + // ), + ], + helpPaint); + } + + void paintHandsHelpPoints(ui.Canvas canvas) { + helpPaint.strokeWidth = 4; + canvas.drawPoints( + ui.PointMode.points, + [ + Offset(-0, 0), + Offset(-17, 14), + Offset(-28, 40), + Offset(-32, 58), + Offset(-15, 62), + Offset( + 8, + 60, + ), + Offset(-0, 0), + ], + helpPaint); + } + + void paintRightHandsHelpPoints(ui.Canvas canvas) { + helpPaint.strokeWidth = 4; + canvas.drawPoints( + ui.PointMode.points, + [ + // Offset(10,-68), + // Offset(75,-75), + // + Offset(140, -48), + Offset(165, -35), + + Offset(180, -17), + Offset(135, 22), + + Offset(125, 17), + Offset(135, -20), + + // Offset(55,98), + // Offset(18,78), + ], + helpPaint); + } + + void paintLeftFoodHelpPoints(ui.Canvas canvas) { + helpPaint.strokeWidth = 4; + canvas.drawPoints( + ui.PointMode.points, + [ + Offset( + 18, + 100, + ), + Offset(60, 125), + Offset(18, 78), + Offset(22, 115), + Offset(55, 98), + Offset( + 40, + 80, + ), + ], + helpPaint); + } + + @override + bool shouldRepaint(covariant CustomPainter oldDelegate) => false; +} diff --git a/lib/painter_system/gallery_factory.dart b/lib/painter_system/gallery_factory.dart index e97901f..164355c 100644 --- a/lib/painter_system/gallery_factory.dart +++ b/lib/painter_system/gallery_factory.dart @@ -5,6 +5,7 @@ import 'anim/bezier3_player/bezier3_palyer.dart'; import 'anim/circle_halo.dart'; import 'anim/curve_shower/curve_anim_shower.dart'; import 'anim/draw_path.dart'; +import 'anim/dundun_path.dart'; import 'art/circle_packing.dart'; import 'art/cubic_disarray.dart'; import 'art/hypnotic_squares.dart'; @@ -17,6 +18,7 @@ import 'base/clock_widget.dart'; import 'base/draw_grid_axis.dart'; import 'base/draw_path_fun.dart'; import 'base/draw_picture.dart'; +import 'fun/dundun_view.dart'; import 'fun/random_portrait.dart'; import 'fun/stemp/stamp_paper.dart'; import 'gallery.dart'; @@ -86,6 +88,11 @@ class GalleryFactory { author: "张风捷特烈", info: " 本样例介绍如何使用路径绘制函数曲线，并使用路径测量进行动画", content: DrawPath()), + FrameShower( + title: "冰墩墩线条动画", + author: "张风捷特烈", + info: " 本样例会绘制 2022 年北京冬奥会吉祥物冰墩墩的路径，并使用路径测量进行动画", + content: DunDunPathPage()), FrameShower( title: "Bezier3 演示 (双击清除)", author: "张风捷特烈", @@ -102,6 +109,12 @@ class GalleryFactory { info: " 本样例介绍绘制矩形及随机数处理。通过点位集合确定矩形位置信息，将其绘制出来。其中对点的随机生成和对称处理能让你练习对数据的控制力。", content: RandomPortrait()), + FrameShower( + title: "冰墩墩", + author: "张风捷特烈", + info: + " 本样例会绘制 2022 年北京冬奥会吉祥物冰墩墩的绘制，可以学到路径绘制、渐变色等知识。", + content: DunDunView()), FrameShower( title: "井字棋", author: "张风捷特烈",