_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

beginPath() void GiShapeAdapter::beginPath ( ) virtual Start a new path. 实现了 GiCanvas.