25 lines
474 B
Dart
25 lines
474 B
Dart
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/// Created by @Haoyi on 2021/7/7
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part of "design.dart";
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class DesignOffset extends DesignObject<Offset> {
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final DesignField dx;
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final DesignField dy;
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Offset? _offset;
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Offset get offset => _offset!;
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DesignOffset(this.dx, this.dy);
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@override
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Offset measure(_DeviceMetrics metrics) {
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if (_offset == null) {
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final _dx = dx.measure(metrics);
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final _dy = dy.measure(metrics);
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_offset = Offset(_dx, _dy);
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}
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return _offset!;
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}
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}
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