drawing method

void drawing(
  1. Offset nowPaint
)

正在绘制

Implementation

void drawing(Offset nowPaint) {
  if (!hasPaintingContent) {
    return;
  }

  _isDrawingValidContent = true;

  if (_paintContent is Eraser) {
    eraserContent?.drawing(nowPaint);
    _refresh();
    _refreshDeep();
  } else {
    currentContent?.drawing(nowPaint);
    _refresh();
  }
}