import GUI; import Graphics; import Graphics2D; import graphics2d.Graphics2DFramework; // Called once at startup void onStart(int rendererID){ setWindowSize(500, 300); // Set window size } // Called repeatedly to render each frame void onPaint(int rendererID){ setDrawColor(rendererID, 0, 0, 255, 255); // Set color (blue) drawRectangle(rendererID, 10, 10, 200, 200, true); // Draw filled rectangle setDrawColor(rendererID, 0, 255, 0, 200); // Set color (green) drawEllipse(rendererID, 100, 100, 300, 100, true); // Draw filled ellipse setDrawColor(rendererID, 0, 0, 0, 255); // Set color (black) drawLine(rendererID, 20, 20, 400, 100, 10); // Draw line }