_click _initialize addShape backStep cancel click draw dynshape gatherShapes getLastSnappedOriginPoint getLastSnappedPoint getMaxStep getShape getShapeType getSnappedType getStep ignoreStartPoint initialize isDrawingCommand isStepPointAccepted longPress m_flags m_lastSnapped m_shape m_step MgCommandDraw mouseHover setStep setStepPoint snapOptionsForStep snapPoint snapPoint snapPoint snapPointWidhOptions touchBegan touchBeganStep touchEnded touchEndedStep touchMoved touchMovedStep ~MgCommandDraw

ignoreStartPoint() void MgCommandDraw::ignoreStartPoint ( const MgMotion *  sender, int  handle  ) 为当前捕捉设置上一线段的坐标，以避免与上一点重合 函数调用图: 这是这个函数的调用关系图: