render method
Implementation
@mustCallSuper
void render(Canvas canvas, {double x = 0.0, double y = 0.0}) {
final picture = _picture;
if (picture == null) {
return;
}
canvas.save();
canvas.translate(x, y);
for (final p in preProcessors) {
p.process(picture, canvas);
}
canvas.drawPicture(picture);
for (final p in postProcessors) {
p.process(picture, canvas);
}
canvas.restore();
}