accuracy test with circle
Accuracy of rendering is tested using a circle.
For the tiny profile a number range from
-32767.9999 to +32767.9999 has to be supported
and the rendering accuracy has to be within one
device pixel.
The blue circle has to cover the red circle always
completely. The blue circle is completely inside the
large black circle and outside the small black circle.
white background
red control circle - covered completely by blue test circle
blue test circle covers all red
black control circle - no blue outside
black control circle - no blue inside