void VisitPolygon(const AirspacePolygon &airspace) {
if (warnings.IsAcked(airspace))
return;
AirspaceClass airspace_class = airspace.GetType();
if (settings.classes[airspace_class].fill_mode ==
AirspaceClassRendererSettings::FillMode::NONE)
return;
BufferRenderStart();
SetBufferPens(airspace);
DrawSearchPointVector(airspace.GetPoints());
}
void VisitPolygon(const AirspacePolygon &airspace) {
if (!PreparePolygon(airspace.GetPoints()))
return;
bool fill_airspace = warning_manager.HasWarning(airspace) ||
warning_manager.IsInside(airspace) ||
settings.classes[airspace.GetType()].fill_mode ==
AirspaceClassRendererSettings::FillMode::ALL;
GLEnable stencil(GL_STENCIL_TEST);
if (!warning_manager.IsAcked(airspace) &&
settings.classes[airspace.GetType()].fill_mode !=
AirspaceClassRendererSettings::FillMode::NONE) {
if (!fill_airspace) {
// set stencil for filling (bit 0)
SetFillStencil();
DrawPrepared();
}
// fill interior without overpainting any previous outlines
{
SetupInterior(airspace, !fill_airspace);
GLEnable blend(GL_BLEND);
DrawPrepared();
}
if (!fill_airspace) {
// clear fill stencil (bit 0)
ClearFillStencil();
DrawPrepared();
}
}
// draw outline
if (SetupOutline(airspace))
DrawPrepared();
}