90 lines
2.3 KiB
Dart
90 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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class SCShiningText extends StatefulWidget {
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final String text;
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final double fontSize;
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final FontWeight fontWeight;
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final Color baseColor;
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final Color shineColor;
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const SCShiningText({
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super.key,
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required this.text,
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this.fontSize = 24,
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this.fontWeight = FontWeight.bold,
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this.baseColor = Colors.grey,
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this.shineColor = Colors.white,
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});
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@override
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State<SCShiningText> createState() => _ShiningText1State();
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}
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class _ShiningText1State extends State<SCShiningText>
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with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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duration: const Duration(milliseconds: 3000),
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vsync: this,
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)..repeat(reverse: false);
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_animation = Tween<double>(begin: -1.0, end: 2.0).animate(_controller);
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}
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@override
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Widget build(BuildContext context) {
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return Center(
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child: AnimatedBuilder(
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animation: _animation,
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builder: (context, child) {
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return ShaderMask(
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blendMode: BlendMode.srcIn,
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shaderCallback: (Rect bounds) {
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return LinearGradient(
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colors: [
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widget.baseColor,
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widget.shineColor,
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widget.shineColor,
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widget.baseColor,
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],
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stops: const [0.0, 0.1, 0.9, 1.0],
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transform: _GradientTransform(_animation.value),
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).createShader(bounds);
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},
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child: Text(
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widget.text,
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style: TextStyle(
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fontSize: widget.fontSize,
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fontWeight: widget.fontWeight,
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),
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),
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);
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},
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),
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);
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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}
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class _GradientTransform extends GradientTransform {
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final double value;
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const _GradientTransform(this.value);
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@override
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Matrix4 transform(Rect bounds, {TextDirection? textDirection}) {
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return Matrix4.translationValues(bounds.width * value, 0.0, 0.0);
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}
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}
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