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31 lines
627 B
Dart
31 lines
627 B
Dart
import 'package:flutter/material.dart';
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class PlayerRatioProvide with ChangeNotifier {
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double scale = 1.0; //播放区域缩放比例
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Offset offset = Offset.zero;
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double deltaX = 0;
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double deltaY = 0;
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//改变播放区域缩放比例
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changeScale(double scale) {
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this.scale = scale;
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notifyListeners();
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}
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//改变播放区域偏移位置
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changeOffset(Offset offset) {
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this.offset = offset;
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notifyListeners();
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}
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changeDeltaX(double deltaX) {
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this.deltaX = deltaX;
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notifyListeners();
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}
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changeDeltaY(double deltaY) {
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this.deltaY = deltaY;
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notifyListeners();
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}
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}
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