_drawPolygon _xf beginPaint beginShape calcPenColor calcPenWidth copy drawArc drawArc3P drawArrayHead drawBeeline drawBeziers drawBeziers drawBSplines drawCircle drawEllipse drawEllipse drawHandle drawHermiteSplines drawLine drawLines drawPath drawPath_ drawPathWithArrayHead drawPie drawPolygon drawQuadSplines drawRayline drawRect drawRoundRect drawTextAt drawTextAt endPaint endShape fromHandle getBkColor getCanvas getClipBox getClipModel getClipWorld GiGraphics GiGraphics GiGraphics isDrawing isGrayMode isPrint isStopping m_impl operator= rawBeginPath rawBeziers rawBezierTo rawClosePath rawEllipse rawEndPath rawImage rawLine rawLines rawLineTo rawMoveTo rawPolygon rawQuadTo rawRect rawText setBkColor setBrush setClipBox setClipWorld setGrayMode setMaxPenWidth setPen setPenWidthFactor setPhaseEnabled stopDrawing toHandle xf ~GiGraphics

calcPenWidth() float GiGraphics::calcPenWidth ( float  lineWidth, bool  useViewScale  ) const 计算画笔宽度 打印时会自动调整以像素为单位的线宽，使得不致太细 参数 lineWidth 线宽。正数单位为0.01毫米，负数单位为像素，0表示1像素 useViewScale lineWidth<0时是否使用放缩比例计算线宽 返回 画笔宽度，非负数，像素 函数调用图: 这是这个函数的调用关系图: