问颤动中的渐变文本

EN

import 'package:flutter/material.dart';

class GradientText extends StatelessWidget {
  const GradientText(
    this.text, {
    required this.gradient,
    this.style,
  });

  final String text;
  final TextStyle? style;
  final Gradient gradient;

  @override
  Widget build(BuildContext context) {
    return ShaderMask(
      blendMode: BlendMode.srcIn,
      shaderCallback: (bounds) => gradient.createShader(
        Rect.fromLTWH(0, 0, bounds.width, bounds.height),
      ),
      child: Text(text, style: style),
    );
  }
}

GradientText(
  'Hello Flutter',
  style: const TextStyle(fontSize: 40),
  gradient: LinearGradient(colors: [
    Colors.blue.shade400,
    Colors.blue.shade900,
  ]),
),

final Shader linearGradient = LinearGradient(
  colors: <Color>[Color(0xffDA44bb), Color(0xff8921aa)],
).createShader(Rect.fromLTWH(0.0, 0.0, 200.0, 70.0));

  Text(
        'Hello Gradients!',
        style: new TextStyle(
            fontSize: 60.0,
            fontWeight: FontWeight.bold,
            foreground: Paint()..shader = linearGradient),
      )

GradientText(
    'Gradient Text Example',
    style: TextStyle(
        fontSize: 40.0,
    ),
    colors: [
        Colors.blue,
        Colors.red,
        Colors.teal,
    ],
),