public static PaintingManager GetInstance(File file, Page page, Tool currentTool)
{
return _pm ?? (_pm = new PaintingManager(file, page, currentTool));
}
public void SetCurrentTool(Tool newTool)
{
CurrentTool = newTool;
}
private PaintingManager(File file, Page page, Tool currentTool)
{
File = file;
Page = page;
CurrentTool = currentTool;
}