绘制ifc构件外轮廓

绘制ifc构件外轮廓

void VCWidget::drawOuterCurve(QPainter& mainPainter)
{
    QPen routePen;
    routePen.setColor(QColor(0, 125, 255));
    routePen.setWidth(4);
    mainPainter.setPen(routePen);

    if (indexDangerAreaPoints.size()>0)
    {
        

        for (int m = 0; m < indexDangerAreaPoints.size() - 1; m++)
        {
            QPoint indexPoint1 = indexDangerAreaPoints.at(m);

            QPoint indexPoint2 = indexDangerAreaPoints.at(m + 1);
            //QLine indexLine(indexPoint1, indexPoint2);

            qDebug() << "==" << indexPoint1.x() << "       " << indexPoint1.y() << "      " << indexPoint2.x() << "            " << indexPoint2.y();


            int p1_new_x = int(float(indexPoint1.x()*1.0f)*(this->scalingXValue)) + this->offset_x;
            int p1_new_y = int(float(indexPoint1.y()*1.0f)*(this->scalingYValue)) + this->offset_y;

            p1_new_y = this->pixmapHeight - p1_new_y;

            int p2_new_x = int(float(indexPoint2.x()*1.0f)*(this->scalingXValue)) + this->offset_x;
            int p2_new_y = int(float(indexPoint2.y()*1.0f)*(this->scalingYValue)) + this->offset_y;

            p2_new_y = this->pixmapHeight - p2_new_y;



            QPoint indexPoint_1(p1_new_x,p1_new_y);
            QPoint indexPoint_2(p2_new_x, p2_new_y);


            QLine indexLine(indexPoint_1, indexPoint_2);
            mainPainter.drawLine(indexLine);

        }
    }
}

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