addDrawing method

void addDrawing(
  1. ChartDrawing drawing
)

Adds a new user drawing to the chart canvas.

Implementation

void addDrawing(ChartDrawing drawing) {
  recordDrawingSnapshot();
  _drawings.add(drawing);
  _previewDrawing = null;
  onDrawingAdded?.call(drawing);
  notifyListeners();
  triggerAutoSave();
}