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C++ MapWindowProjection::GetGeoScreenCenter方法代码示例

本文整理汇总了C++中MapWindowProjection::GetGeoScreenCenter方法的典型用法代码示例。如果您正苦于以下问题:C++ MapWindowProjection::GetGeoScreenCenter方法的具体用法?C++ MapWindowProjection::GetGeoScreenCenter怎么用?C++ MapWindowProjection::GetGeoScreenCenter使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MapWindowProjection的用法示例。


在下文中一共展示了MapWindowProjection::GetGeoScreenCenter方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: v

void
WaypointRenderer::render(Canvas &canvas, LabelBlock &label_block,
                         const MapWindowProjection &projection,
                         const struct WaypointRendererSettings &settings,
                         const PolarSettings &polar_settings,
                         const TaskBehaviour &task_behaviour,
                         const MoreData &basic, const DerivedInfo &calculated,
                         const ProtectedTaskManager *task,
                         const ProtectedRoutePlanner *route_planner)
{
  if (way_points == nullptr || way_points->IsEmpty())
    return;

  WaypointVisitorMap v(projection, settings, look, task_behaviour, basic);

  if (task != nullptr) {
    ProtectedTaskManager::Lease task_manager(*task);

    const TaskStats &task_stats = task_manager->GetStats();

    // task items come first, this is the only way we know that an item is in task,
    // and we won't add it if it is already there
    if (task_stats.task_valid)
      v.SetTaskValid();

    const AbstractTask *atask = task_manager->GetActiveTask();
    if (atask != nullptr)
      atask->AcceptTaskPointVisitor(v);
  }

  way_points->VisitWithinRange(projection.GetGeoScreenCenter(),
                                 projection.GetScreenDistanceMeters(), v);

  v.Calculate(route_planner, polar_settings, task_behaviour, calculated);

  v.Draw(canvas);

  MapWaypointLabelRender(canvas,
                         projection.GetScreenWidth(),
                         projection.GetScreenHeight(),
                         label_block, v.labels, look);
}
开发者ID:Advi42,项目名称:XCSoar,代码行数:42,代码来源:WaypointRenderer.cpp


注:本文中的MapWindowProjection::GetGeoScreenCenter方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。