mainImageView method

RawGestureDetector mainImageView(BuildContext context)

Implementation

RawGestureDetector mainImageView(BuildContext context) {
  return RawGestureDetector(
    behavior: HitTestBehavior.opaque,
    gestures: <Type, GestureRecognizerFactory>{
      SingleGestureRecognizer:
      GestureRecognizerFactoryWithHandlers<SingleGestureRecognizer>(
              () => SingleGestureRecognizer(debugOwner: this),
              (instance) {
            instance.onStart = (pointerEvent) {
              _startNewPath(pointerEvent.localPosition);
            };
            instance.onUpdate = (pointerEvent) {
              _addPointToPath(pointerEvent.localPosition);
            };
            instance.onEnd = (pointerEvent) {
              if (_paths.isNotEmpty && _paths.last.isNotEmpty) {
                // Duplicate the last point in the current path
                _paths.last.add(_paths.last.last);
              }
            };
          }),
    },
    child: Container(
      height:widget.height ?? MediaQuery.of(context).size.height/2,
      width: widget.width ?? MediaQuery.of(context).size.width,
      margin: widget.margin ?? EdgeInsets.symmetric(vertical: MediaQuery.of(context).size.height/4,horizontal: 15),
      decoration: widget.decoration ?? BoxDecoration(
    border: Border.all(color: Colors.black, width: 2)),
      child: RepaintBoundary(
        key: _globalKey,
        child: CustomPaint(
          size: Size(
            MediaQuery
                .of(context)
                .size
                .width,
            MediaQuery
                .of(context)
                .size
                .height,
          ),
          painter: unColoredImage != null && coloredImage != null
              ? ImageMaskingPainter(
              paths: _paths,
              coloredImage: coloredImage!,
              unColoredImage: unColoredImage!)
              : null,
        ),
      ),
    ),
  );
}