_callback _container _fillColor _lineColor _path beginPath beginShape bezierTo checkNeedFire clearRect clipPath clipRect closePath drawBitmap drawEllipse drawHandle drawLine drawPath drawRect drawTextAt endOutput endShape fireLastPath GiShapeAdapter hasFillColor hasLineColor lineTo moveTo quadTo restoreClip saveClip setBrush setPen

drawEllipse() void GiShapeAdapter::drawEllipse ( float  x, float  y, float  w, float  h, bool  stroke, bool  fill  ) virtual Fill or stroke a ellipse with a corner and size (w>0, h>0). 实现了 GiCanvas. 函数调用图: