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@ -59,8 +59,8 @@ class _QuestionPaperViewState extends State<QuestionPaperView> {
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heroTag: '点击前往上一题',
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tooltip: '点击前往上一题',
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focusColor: Theme.of(context).primaryColor,
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backgroundColor: const Color.fromRGBO(24, 32, 32, 0.1),
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elevation: 6.r,
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backgroundColor: const Color.fromRGBO(24, 32, 32, 0.05),
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elevation: 10.r,
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onPressed: () => easyThrottle('TestQuestionSwitch', () {
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var param = sateData.param.value;
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param.studentId = lastPageVal.studentId;
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@ -82,8 +82,8 @@ class _QuestionPaperViewState extends State<QuestionPaperView> {
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return FloatingActionButton(
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heroTag: '点击前往下一题',
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tooltip: '点击前往下一题',
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elevation: 6.r,
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backgroundColor: const Color.fromRGBO(24, 32, 32, 0.1),
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elevation: 10.r,
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backgroundColor: const Color.fromRGBO(24, 32, 32, 0.05),
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onPressed: () => easyThrottle('TestQuestionSwitch', () {
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var param = sateData.param.value;
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param.studentId = nextPageVal.studentId;
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@ -279,9 +279,9 @@ Widget $scoringQuestionsView(BuildContext context, StudentQuestions item, double
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@hwidget
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Widget $questionImageView(double maxWidth, double maxHeight, HomeworkReviewState sateData) {
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final scrollControllerQuestion = useScrollController(); // 试题图片区域
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var vnHandWritings = useValueNotifier<List<dynamic>>([]);
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ImageStream? imageStream;
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ImageStreamListener imageStreamListener = ImageStreamListener((ImageInfo info, bool _) {
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var imageStreamListener = useState<ImageStreamListener>(ImageStreamListener((ImageInfo info, bool _) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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sateData.imageScale.value = TestQuestionsImageInfo(
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boxWidth: maxWidth,
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@ -291,7 +291,7 @@ Widget $questionImageView(double maxWidth, double maxHeight, HomeworkReviewState
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url: sateData.data.value!.zgtAnswer,
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);
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});
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});
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}));
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// 可选：添加滚动监听
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useEffect(() {
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@ -301,10 +301,11 @@ Widget $questionImageView(double maxWidth, double maxHeight, HomeworkReviewState
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});
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// 返回一个清理函数，在组件销毁时移除监听
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return () {
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imageStream?.removeListener(imageStreamListener);
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imageStream?.removeListener(imageStreamListener.value);
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};
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}, []);
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print('这里是加载了..............');
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return Container(
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height: maxHeight,
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// padding: EdgeInsets.only(bottom: 2.h, top: 2.h),
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@ -316,25 +317,69 @@ Widget $questionImageView(double maxWidth, double maxHeight, HomeworkReviewState
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scrollDirection: Axis.vertical, // 设置垂直滚动
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child: Obx(() {
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var imageUrl = sateData.data.value?.zgtAnswer;
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print(imageUrl);
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if (imageUrl == null) return const SizedBox();
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// return Container(
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// color: Colors.green,
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// height: 394.45145018915514,
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// );
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return $TheCachedNetworkImage(
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return Container(
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decoration: BoxDecoration(boxShadow: [
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BoxShadow(
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color: Colors.grey.withOpacity(0.2),
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offset: Offset(-6.r, 1.r), //阴影x轴偏移量
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blurRadius: 10.r, //阴影模糊程度
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spreadRadius: 8.r //阴影扩散程度
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)
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]),
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child: Listener(
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behavior: HitTestBehavior.opaque,
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onPointerUp: (PointerUpEvent details) {},
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onPointerMove: (PointerMoveEvent details) {},
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child: RepaintBoundary(
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child: CustomPaint(
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foregroundPainter: DrawingPainter(ctrl: vnHandWritings),
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child: RepaintBoundary(
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child: $TheCachedNetworkImage(
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(context, imageProvider) {
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print('图片加载了..............');
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Image imageWidget = Image(image: imageProvider, fit: BoxFit.fitWidth);
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imageStream?.removeListener(imageStreamListener);
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imageStream = imageWidget.image.resolve(const ImageConfiguration())..addListener(imageStreamListener);
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imageStream?.removeListener(imageStreamListener.value);
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imageStream = imageWidget.image.resolve(const ImageConfiguration())..addListener(imageStreamListener.value);
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return imageWidget;
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},
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imageUrl: RequestConfig.imgUrl + imageUrl,
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// imageUrl: 'https://cdn3-banquan.ituchong.com/weili/image/l/2000260200787476490.jpeg',
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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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),
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);
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}
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// 批注框
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class DrawingPainter extends CustomPainter {
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final ValueNotifier<List<dynamic>> ctrl;
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final Paint paintBrush = Paint()
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..color = Colors.red
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..strokeCap = StrokeCap.round
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..strokeWidth = 1.5.r;
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DrawingPainter({required this.ctrl}) : super(repaint: ctrl);
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@override
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void paint(Canvas canvas, Size size) {
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var points = ctrl.value;
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var pointsLength = points.length;
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// for (int i = 0; i < pointsLength; i++) {
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// GestureRecording item = points[i];
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// Offset? offsetData = item.data;
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// Offset? nextOffsetData = pointsLength - 1 == i ? null : points[i + 1].data;
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// if (offsetData != null && nextOffsetData != null) {
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// canvas.drawLine(offsetData, nextOffsetData, paintBrush);
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// }
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// }
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}
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@override
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bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
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}
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