michaelcache / gds_viewer Goto Github PK

for (size_t i = 0; i < lib.cell_array.count; i++) {

    Cell* cell = lib.cell_array[i];

    gdstk::Array<gdstk::Polygon*> polygons = {0};

    // 获取所有的多边形
    cell->get_polygons(true, true, -1, false, 0, polygons);

    for (size_t j = 0; j < polygons.count ; j++)
    {
        gdstk::Polygon* currentPolygon = polygons[j];

        // get layer
        uint32_t layer = gdstk::get_layer(currentPolygon->tag);

        Vector2dVector p;
        for (size_t i = 0; i < currentPolygon->point_array.count; i++)
        {
            p.push_back(
                 (Vector2d(currentPolygon->point_array[i].x, currentPolygon->point_array[i].y)));
        }

        // instance EDAGraphicsPologyItem
        EDAGraphicsPolygonItem *polygonItem  = new EDAGraphicsPolygonItem(layer);
        polygonItem->setZValue(layer);
        // 将图形项polygonItem的数据关联到GDS_LAYER_TAG键上，键值为layer。这样可以在需要的时候通过GDS_LAYER_TAG键来获取或修改该图形项的数据
        polygonItem->setData(GDS_LAYER_TAG, layer);

        // 层列表添加数据
        layerData.insert(layer);

        QPolygonF polygon;

        // 输入点坐标遍历
        for (size_t i = 0; i < p.size(); i++)
        {
            polygon << QPointF(p[i].GetX() * 100, p[i].GetY() * 100);
        }

        polygonItem->setPolygon(polygon);

        // 多边形列表添加图元
        polygonItemList.append(polygonItem);
    }

    polygons.clear();
}`