C++ WindowProjection::UpdateScreenBounds方法代码示例

本文整理汇总了C++中WindowProjection::UpdateScreenBounds方法的典型用法代码示例。如果您正苦于以下问题：C++ WindowProjection::UpdateScreenBounds方法的具体用法？C++ WindowProjection::UpdateScreenBounds怎么用？C++ WindowProjection::UpdateScreenBounds使用的例子？那么恭喜您, 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类WindowProjection的用法示例。

在下文中一共展示了WindowProjection::UpdateScreenBounds方法的6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:

static void
GetPolygonPoints(std::vector<RasterPoint> &pts,
                 const AirspacePolygon &airspace,
                 const RasterPoint pt, unsigned radius)
{
  GeoBounds bounds = airspace.GetGeoBounds();
  GeoPoint center = bounds.GetCenter();

  fixed geo_heigth = bounds.GetGeoHeight();
  fixed geo_width = bounds.GetGeoWidth();

  fixed geo_size = std::max(geo_heigth, geo_width);

  WindowProjection projection;
  projection.SetScreenSize({radius * 2, radius * 2});
  projection.SetScreenOrigin(pt.x, pt.y);
  projection.SetGeoLocation(center);
  projection.SetScale(fixed(radius * 2) / geo_size);
  projection.SetScreenAngle(Angle::Zero());
  projection.UpdateScreenBounds();

  const SearchPointVector &border = airspace.GetPoints();

  pts.reserve(border.size());
  for (auto it = border.begin(), it_end = border.end(); it != it_end; ++it)
    pts.push_back(projection.GeoToScreen(it->GetLocation()));
}

开发者ID:DRIZO，项目名称:xcsoar，代码行数:27，代码来源:AirspacePreviewRenderer.cpp

示例2: OnPaint

  virtual void OnPaint(Canvas &canvas) override {
    canvas.ClearWhite();

    const GeoPoint a(Angle::Degrees(7.70722),
                     Angle::Degrees(51.052));
    const GeoPoint b(Angle::Degrees(11.5228),
                     Angle::Degrees(50.3972));

    WindowProjection projection;
    projection.SetScreenOrigin(canvas.GetWidth() / 2, canvas.GetHeight() / 2);
    projection.SetGeoLocation(a.Middle(b));
    projection.SetScreenSize(canvas.GetSize());
    projection.SetScaleFromRadius(fixed(400000));
    projection.UpdateScreenBounds();

    canvas.SelectBlackPen();
    canvas.SelectHollowBrush();

    RasterPoint pa = projection.GeoToScreen(a);
    canvas.DrawCircle(pa.x, pa.y, 4);

    RasterPoint pb = projection.GeoToScreen(b);
    canvas.DrawCircle(pb.x, pb.y, 4);

    RenderFAISector(canvas, projection, a, b, false, settings);
  }

开发者ID:MindMil，项目名称:XCSoar，代码行数:26，代码来源:RunFAITriangleSectorRenderer.cpp

示例3: bounds

void
OZPreviewRenderer::Draw(Canvas &canvas, const ObservationZonePoint &oz,
                        const RasterPoint pt, unsigned radius,
                        const TaskLook &look,
                        const AirspaceRendererSettings &airspace_settings,
                        const AirspaceLook &airspace_look)
{
  fixed scale;
  GeoPoint center;

  if (IsAncientHardware()) {
    scale = fixed(radius) / ((const CylinderZone &)oz).GetRadius();
    center = oz.GetReference();
  } else {
    OZBoundary boundary = oz.GetBoundary();

    auto it = boundary.begin();
    GeoBounds bounds(*it);
    for (auto it_end = boundary.end(); it != it_end; ++it)
      bounds.Extend(*it);

    center = bounds.GetCenter();

    fixed geo_heigth = GeoPoint(center.longitude, bounds.north).Distance(
                       GeoPoint(center.longitude, bounds.south));
    fixed geo_width = GeoPoint(bounds.west, center.latitude).Distance(
                      GeoPoint(bounds.east, center.latitude));

    scale = fixed(radius * 2) / std::max(geo_heigth, geo_width);
  }

  WindowProjection projection;
  projection.SetScreenSize(radius * 2, radius * 2);
  projection.SetScreenOrigin(pt.x, pt.y);
  projection.SetGeoLocation(center);
  projection.SetScale(scale);
  projection.SetScreenAngle(Angle::Zero());
  projection.UpdateScreenBounds();

  OZRenderer ozv(look, airspace_look, airspace_settings);
  ozv.Draw(canvas, OZRenderer::LAYER_SHADE, projection, oz, 1);
  ozv.Draw(canvas, OZRenderer::LAYER_INACTIVE, projection, oz, 1);
  ozv.Draw(canvas, OZRenderer::LAYER_ACTIVE, projection, oz, 1);
}

开发者ID:damianob，项目名称:xcsoar，代码行数:44，代码来源:OZPreviewRenderer.cpp

示例4: main

int main(int argc, char **argv)
{
  if (argc != 2) {
    fprintf(stderr, "Usage: %s PATH\n", argv[0]);
    return 1;
  }

  const char *map_path = argv[1];

  TCHAR jp2_path[4096];
  _tcscpy(jp2_path, PathName(map_path));
  _tcscat(jp2_path, _T(DIR_SEPARATOR_S) _T("terrain.jp2"));

  TCHAR j2w_path[4096];
  _tcscpy(j2w_path, PathName(map_path));
  _tcscat(j2w_path, _T(DIR_SEPARATOR_S) _T("terrain.j2w"));

  NullOperationEnvironment operation;
  RasterMap map(jp2_path, j2w_path, NULL, operation);
  if (!map.isMapLoaded()) {
    fprintf(stderr, "failed to load map\n");
    return EXIT_FAILURE;
  }

  do {
    map.SetViewCenter(map.GetMapCenter(), fixed(50000));
  } while (map.IsDirty());

  fixed radius = fixed(50000);
  WindowProjection projection;
  projection.SetScreenSize(640, 480);
  projection.SetScaleFromRadius(radius);
  projection.SetGeoLocation(map.GetMapCenter());
  projection.SetScreenOrigin(320, 240);
  projection.UpdateScreenBounds();

  HeightMatrix matrix;
  matrix.Fill(map, projection, 1, false);

  return EXIT_SUCCESS;
}

开发者ID:，项目名称:，代码行数:41，代码来源:

示例5: ozv

void
OZPreviewRenderer::Draw(Canvas &canvas, const ObservationZonePoint &oz,
                        const PixelPoint pt, unsigned radius,
                        const TaskLook &look,
                        const AirspaceRendererSettings &airspace_settings,
                        const AirspaceLook &airspace_look)
{
  double scale;
  GeoPoint center;

  if (IsAncientHardware()) {
    scale = double(radius) / ((const CylinderZone &)oz).GetRadius();
    center = oz.GetReference();
  } else {
    OZBoundary boundary = oz.GetBoundary();

    GeoBounds bounds = GeoBounds::Invalid();
    for (auto i = boundary.begin(), end = boundary.end(); i != end; ++i)
      bounds.Extend(*i);

    center = bounds.GetCenter();

    auto geo_width = bounds.GetGeoWidth();
    auto geo_heigth = bounds.GetGeoHeight();

    scale = double(radius * 2) / std::max(geo_heigth, geo_width);
  }

  WindowProjection projection;
  projection.SetScreenSize({radius * 2, radius * 2});
  projection.SetScreenOrigin(pt.x, pt.y);
  projection.SetGeoLocation(center);
  projection.SetScale(scale);
  projection.SetScreenAngle(Angle::Zero());
  projection.UpdateScreenBounds();

  OZRenderer ozv(look, airspace_look, airspace_settings);
  ozv.Draw(canvas, OZRenderer::LAYER_SHADE, projection, oz, 1);
  ozv.Draw(canvas, OZRenderer::LAYER_INACTIVE, projection, oz, 1);
  ozv.Draw(canvas, OZRenderer::LAYER_ACTIVE, projection, oz, 1);
}

开发者ID:Advi42，项目名称:XCSoar，代码行数:41，代码来源:OZPreviewRenderer.cpp

示例6: GeoPoint

static void
DrawPolygon(Canvas &canvas, const AirspacePolygon &airspace,
            const RasterPoint pt, unsigned radius)
{
  if (IsAncientHardware()) {
    canvas.Rectangle(pt.x - radius, pt.y - radius,
                     pt.x + radius, pt.y + radius);
    return;
  }

  GeoBounds bounds = airspace.GetGeoBounds();
  GeoPoint center = bounds.GetCenter();

  fixed geo_heigth = GeoPoint(center.longitude, bounds.north).Distance(
                     GeoPoint(center.longitude, bounds.south));
  fixed geo_width = GeoPoint(bounds.west, center.latitude).Distance(
                    GeoPoint(bounds.east, center.latitude));

  fixed geo_size = std::max(geo_heigth, geo_width);

  WindowProjection projection;
  projection.SetScreenSize(radius * 2, radius * 2);
  projection.SetScreenOrigin(pt.x, pt.y);
  projection.SetGeoLocation(center);
  projection.SetScale(fixed(radius * 2) / geo_size);
  projection.SetScreenAngle(Angle::Zero());
  projection.UpdateScreenBounds();

  const SearchPointVector &border = airspace.GetPoints();

  std::vector<RasterPoint> pts;
  pts.reserve(border.size());
  for (auto it = border.begin(), it_end = border.end(); it != it_end; ++it)
    pts.push_back(projection.GeoToScreen(it->get_location()));

  canvas.polygon(&pts[0], (unsigned)pts.size());
}

开发者ID:，项目名称:，代码行数:37，代码来源:

注：本文中的WindowProjection::UpdateScreenBounds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。