The 2D computer graphics system shall draw a geometrical object – a pentagon shape, on the computer screen, see Figure1. The interactions between end users and the system shall also be implemented. With the left button of mouse being pressed down, the user shall be able to rotate the pentagon around its geometric center; with the right button being pressed down, the user shall be able to move the pentagon around on the screen, i.e., the pentagon will follow the motion of the mouse; with the middle button being pressed down, the user shall be able to enlarge or shrink the pentagon by moving the mouse along x axis.
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I can offer you stunning quality. I will work closely together with you and will pay my full attention to your conceivability. Please check your PMB for more details. Hristo Butchvarov [url removed, login to view]