beginPath beginShape bezierTo clearRect clipPath clipRect close closePath drawBitmap drawEllipse drawHandle drawLine drawPath drawRect drawTextAt endShape GiSvgCanvas im lineTo moveTo open quadTo restoreClip saveClip setBrush setPen ~GiSvgCanvas

drawLine() void GiSvgCanvas::drawLine ( float  x1, float  y1, float  x2, float  y2  ) privatevirtual Stroke a line with the current color. 实现了 GiCanvas.