_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

calcPenColor() GiColor GiGraphics::calcPenColor ( const GiColor &  color ) const 计算画笔颜色 根据颜色模式和设备属性调整显示颜色。 如果传入颜色和背景色相同，本函数不会自动反色，因此可能看不见图形 参数 color 普通的RGB颜色 返回 实际绘图的RGB颜色 函数调用图: 这是这个函数的调用关系图: