Questions

1. Which parameter should you configure properly to draw a filled shape (for example, circle or rectangle)?
2. Which parameter should you configure properly to draw anti-aliased line types?
3. Create a diagonal line starting at (0,0) and ending at (512,512). 
4. Render the text Hello OpenCV using the parameters you want.
5. Draw a polygon (with the shape of a circle) using 12 points.
6. Draw a rectangle using the mouse events with Matplotlib events when a double left-click is performed.
7. Try to draw this very simple meme generator using the lenna.png image as background: