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tweaks

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Signed-off-by: dom <githubaccount56556@proton.me>
This commit is contained in:
dom
2026-02-16 15:35:15 +08:00
parent fa85ae47ac
commit b978ff5649
8 changed files with 101 additions and 78 deletions
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26
lib/common/widgets/image_viewer/viewer.dart
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@@ -77,10 +77,26 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
_GestureType? _gestureType;
final Matrix4 _matrix = Matrix4.identity();
late double __scale;
double get _scale => __scale;
set _scale(double value) {
__scale = value;
_matrix[0] = _matrix[5] = _matrix[10] = value;
}
late Offset __position;
Offset get _position => __position;
set _position(Offset value) {
__position = value;
_matrix
..[12] = value.dx
..[13] = value.dy;
}
Offset? _scalePos;
late double _scale;
double? _scaleStart;
late Offset _position;
Offset? _referenceFocalPoint;
late Size _imageSize;
@@ -97,10 +113,6 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
late double _scaleFrom, _scaleTo;
late Offset _positionFrom, _positionTo;
Matrix4 get _matrix =>
Matrix4.translationValues(_position.dx, _position.dy, 0.0)
..scaleByDouble(_scale, _scale, _scale, 1.0);
void _listener() {
final t = Curves.easeOut.transform(_animationController.value);
_scale = t.lerp(_scaleFrom, _scaleTo);
@@ -396,7 +408,7 @@ class _ViewerState extends State<Viewer> with SingleTickerProviderStateMixin {
onPointerDown: _onPointerDown,
onPointerPanZoomStart: _onPointerPanZoomStart,
onPointerSignal: _onPointerSignal,
child: ClipRRect(
child: ClipRect(
child: Transform(
transform: _matrix,
child: widget.child,