drawImage method
Draws the given Image into the canvas with its top-left corner at the given Offset. The image is composited into the canvas using the given Paint.
Implementation
void drawImage(Image image, Offset offset, Paint paint) {
// ignore: unnecessary_null_comparison
assert(image != null); // image is checked on the engine side
assert(_offsetIsValid(offset));
assert(paint != null); // ignore: unnecessary_null_comparison
_drawImage(image, offset.dx, offset.dy, paint._objects, paint._data);
}