void Visit(const AirspacePolygon& airspace) {
if (!prepare_polygon(airspace.GetPoints()))
return;
bool fill_airspace = m_warnings.is_warning(airspace) ||
m_warnings.is_inside(airspace);
GLEnable stencil(GL_STENCIL_TEST);
if (!m_warnings.is_acked(airspace)) {
if (!fill_airspace) {
// set stencil for filling (bit 0)
set_fillstencil();
draw_prepared();
}
// fill interior without overpainting any previous outlines
{
setup_interior(airspace, !fill_airspace);
GLEnable blend(GL_BLEND);
draw_prepared();
}
if (!fill_airspace) {
// clear fill stencil (bit 0)
clear_fillstencil();
draw_prepared();
}
}
// draw outline
setup_outline(airspace);
draw_prepared();
}
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()));
}
void Visit(const AirspacePolygon& airspace) {
if (m_warnings.is_acked(airspace))
return;
buffer_render_start();
set_buffer_pens(airspace);
draw_search_point_vector(airspace.GetPoints());
}
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;
if (!warning_manager.IsAcked(airspace) && SetupInterior(airspace)) {
// fill interior without overpainting any previous outlines
GLEnable blend(GL_BLEND);
DrawPrepared();
}
// draw outline
if (SetupOutline(airspace))
DrawPrepared();
}
void Visit(const AirspacePolygon& airspace) {
if (!prepare_polygon(airspace.GetPoints()))
return;
if (!m_warnings.is_acked(airspace)) {
// fill interior without overpainting any previous outlines
{
setup_interior(airspace);
GLEnable blend(GL_BLEND);
draw_prepared();
}
}
// draw outline
setup_outline(airspace);
draw_prepared();
}
void VisitPolygon(const AirspacePolygon &airspace) {
if (!PreparePolygon(airspace.GetPoints()))
return;
const AirspaceClassRendererSettings &class_settings =
settings.classes[airspace.GetType()];
bool fill_airspace = warning_manager.HasWarning(airspace) ||
warning_manager.IsInside(airspace) ||
class_settings.fill_mode ==
AirspaceClassRendererSettings::FillMode::ALL;
if (!warning_manager.IsAcked(airspace) &&
class_settings.fill_mode !=
AirspaceClassRendererSettings::FillMode::NONE) {
GLEnable stencil(GL_STENCIL_TEST);
if (!fill_airspace) {
// set stencil for filling (bit 0)
SetFillStencil();
DrawPrepared();
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
// 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();
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
}
// draw outline
if (SetupOutline(airspace))
DrawPrepared();
}
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());
}
void VisitPolygon(const AirspacePolygon &airspace) {
DrawPolygon(airspace.GetPoints());
}
void VisitPolygon(const AirspacePolygon &airspace) {
DrawSearchPointVector(airspace.GetPoints());
}
void Visit(const AirspacePolygon& airspace) {
setup_canvas(airspace);
draw(airspace.GetPoints());
}
void VisitPolygon(const AirspacePolygon &airspace) {
if (SetupCanvas(airspace))
DrawPolygon(airspace.GetPoints());
}