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TransformWidget.dart
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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_app/common/CommonShowModel.dart';
///author: yang yi
///email: yangyirunning@163.com
class TransformWidget extends StatelessWidget {
@override
Widget build(BuildContext context) {
// TODO: implement build
final arg = ModalRoute.of(context).settings.arguments;
return Scaffold(
appBar: getAppBar(arg),
body: Scrollbar(
child: SingleChildScrollView(
child: Center(
child: Padding(
padding: EdgeInsets.symmetric(vertical: 50, horizontal: 50),
child: Column(
children: <Widget>[
Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"原始文本效果",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
SizedBox(
height: 30,
),
Transform(
//矩阵变化时发生在绘制时，而无需重新布局和构建
transform: Matrix4.skewY(0.3),
alignment: FractionalOffset.center,
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，Y轴错切0.3",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
//矩阵变化时发生在绘制时，而无需重新布局和构建
transform: Matrix4.skewY(0.3),
alignment: Alignment.center,
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，Y轴错切0.3",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
alignment: FractionalOffset.center,
transform: Matrix4.translationValues(40, 60, 0),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，横移40竖移60",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
alignment: Alignment.center,
transform: Matrix4.translationValues(40, 60, 0),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，横移40竖移60",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 60,
),
Transform(
alignment: FractionalOffset.center,
transform: Matrix4.rotationX(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，x轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
alignment: Alignment.center,
transform: Matrix4.rotationX(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，x轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
alignment: FractionalOffset.center,
transform: Matrix4.rotationY(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，y轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform(
alignment: Alignment.center,
transform: Matrix4.rotationY(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，y轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 120,
),
Transform(
alignment: FractionalOffset.center,
transform: Matrix4.rotationZ(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，Z轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 90,
),
Transform(
alignment: Alignment.center,
transform: Matrix4.rotationZ(90),
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，Z轴方向旋转90度",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 90,
),
Transform.scale(
alignment: FractionalOffset.center,
scale: 0.5,
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"左上角原点系，缩小为原来的一半",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
Transform.scale(
alignment: Alignment.center,
scale: 0.5,
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"屏幕中心原点系，缩小为原来的一半",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
),
SizedBox(
height: 30,
),
RotatedBox(
quarterTurns: 1,
child: Container(
padding: EdgeInsets.all(10),
color: Colors.blue,
child: Text(
"布局阶段旋转90度，真正改变了UI控件的大小和方向，而不仅仅是在视觉上",
style: TextStyle(fontSize: 16, color: Colors.white),
),
),
)
],
)),
),
),
),
);
}
}