/**
* Check whether this intersection should be added to, or updated in, the warning manager
*
* @param airspace Airspace corresponding to current intersection
*/
void Intersection(const AbstractAirspace& airspace) {
if (!airspace.IsActive())
return; // ignore inactive airspaces completely
if (!warning_manager.GetConfig().IsClassEnabled(airspace.GetType()) ||
ExcludeAltitude(airspace))
return;
AirspaceWarning *warning = warning_manager.GetWarningPtr(airspace);
if (warning == NULL || warning->IsStateAccepted(warning_state)) {
AirspaceInterceptSolution solution;
if (mode_inside) {
airspace.Intercept(state, perf, solution, state.location, state.location);
} else {
solution = Intercept(airspace, state, perf);
}
if (!solution.IsValid())
return;
if (solution.elapsed_time > max_time)
return;
if (warning == NULL)
warning = warning_manager.GetNewWarningPtr(airspace);
warning->UpdateSolution(warning_state, solution);
found = true;
}
}
void setup_outline(const AbstractAirspace &airspace) {
if (settings.black_outline)
canvas.SelectBlackPen();
else
canvas.Select(airspace_look.pens[airspace.GetType()]);
canvas.SelectHollowBrush();
}
bool
AirspaceFilterData::Match(const GeoPoint &location,
const FlatProjection &projection,
const AbstractAirspace &as) const
{
if (cls != AirspaceClass::AIRSPACECLASSCOUNT && as.GetType() != cls)
return false;
if (name_prefix != nullptr && !as.MatchNamePrefix(name_prefix))
return false;
if (!direction.IsNegative()) {
const auto closest = as.ClosestPoint(location, projection);
const auto bearing = location.Bearing(closest);
auto direction_error = (bearing - direction).AsDelta().AbsoluteDegrees();
if (direction_error > fixed(18))
return false;
}
if (!negative(distance)) {
const auto closest = as.ClosestPoint(location, projection);
const auto distance = location.Distance(closest);
if (distance > distance)
return false;
}
return true;
}
gcc_pure
static bool
CheckAirspace(const AbstractAirspace &airspace)
{
const AirspaceWarningConfig &config =
CommonInterface::GetComputerSettings().airspace.warnings;
return config.IsClassEnabled(airspace.GetType()) && !IsAcked(airspace);
}
bool SetupInterior(const AbstractAirspace &airspace) {
if (settings.fill_mode == AirspaceRendererSettings::FillMode::NONE)
return false;
const AirspaceClassLook &class_look = look.classes[airspace.GetType()];
canvas.Select(Brush(class_look.fill_color.WithAlpha(48)));
canvas.SelectNullPen();
return true;
}
bool SetupCanvas(const AbstractAirspace &airspace) {
if (settings.black_outline)
return true;
AirspaceClass type = airspace.GetType();
if (settings.classes[type].border_width == 0)
// Don't draw outlines if border_width == 0
return false;
canvas.Select(look.classes[type].border_pen);
return true;
}
void setup_outline(const AbstractAirspace &airspace) {
// set bit 1 in stencil buffer, where an outline is drawn
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glStencilFunc(GL_ALWAYS, 3, 3);
glStencilMask(2);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
if (settings.black_outline)
canvas.SelectBlackPen();
else
canvas.Select(airspace_look.pens[airspace.GetType()]);
canvas.SelectHollowBrush();
}
/**
* Renders the AbstractAirspace on the canvas
* @param as AbstractAirspace to render
*/
void
Render(const AbstractAirspace& as)
{
int type = as.GetType();
if (type <= 0)
return;
// No intersections for this airspace
if (m_intersections.empty())
return;
// Select pens and brushes
#ifndef USE_GDI
Color color = airspace_look.colors[settings.colours[type]];
#ifdef ENABLE_OPENGL
color = color.WithAlpha(48);
#endif
Brush brush(color);
#else
const Brush &brush = airspace_look.brushes[settings.brushes[type]];
canvas.SetTextColor(LightColor(airspace_look.colors[settings.colours[type]]));
#endif
PixelRect rcd;
// Calculate top and bottom coordinate
rcd.top = chart.screenY(as.GetTopAltitude(state));
if (as.IsBaseTerrain())
rcd.bottom = chart.screenY(fixed_zero);
else
rcd.bottom = chart.screenY(as.GetBaseAltitude(state));
// Iterate through the intersections
for (auto it = m_intersections.begin(); it != m_intersections.end(); ++it) {
const GeoPoint p_start = it->first;
const GeoPoint p_end = it->second;
const fixed distance_start = start.Distance(p_start);
const fixed distance_end = start.Distance(p_end);
// Determine left and right coordinate
rcd.left = chart.screenX(distance_start);
rcd.right = chart.screenX(distance_end);
// only one edge found, next edge must be beyond screen
if ((rcd.left == rcd.right) && (p_start == p_end)) {
rcd.right = chart.screenX(chart.getXmax());
}
// Draw the airspace
RenderBox(rcd, brush, settings.black_outline, type);
}
}
void setup_interior(const AbstractAirspace &airspace,
bool check_fillstencil = false) {
// restrict drawing area and don't paint over previously drawn outlines
if (check_fillstencil)
glStencilFunc(GL_EQUAL, 1, 3);
else
glStencilFunc(GL_EQUAL, 0, 2);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
Color color = airspace_look.colors[settings.colours[airspace.GetType()]];
canvas.Select(Brush(color.WithAlpha(90)));
canvas.SelectNullPen();
}
void SetupInterior(const AbstractAirspace &airspace,
bool check_fillstencil = false) {
const AirspaceClassLook &class_look = look.classes[airspace.GetType()];
// restrict drawing area and don't paint over previously drawn outlines
if (check_fillstencil)
glStencilFunc(GL_EQUAL, 1, 3);
else
glStencilFunc(GL_EQUAL, 0, 2);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
canvas.Select(Brush(class_look.fill_color.WithAlpha(90)));
canvas.SelectNullPen();
}
bool SetupOutline(const AbstractAirspace &airspace) {
AirspaceClass type = airspace.GetType();
if (settings.black_outline)
canvas.SelectBlackPen();
else if (settings.classes[type].border_width == 0)
// Don't draw outlines if border_width == 0
return false;
else
canvas.Select(look.classes[type].border_pen);
canvas.SelectHollowBrush();
return true;
}
void set_buffer_pens(const AbstractAirspace &airspace) {
const unsigned color_index = settings.colours[airspace.GetType()];
#ifndef HAVE_HATCHED_BRUSH
m_buffer.Select(airspace_look.solid_brushes[color_index]);
#else /* HAVE_HATCHED_BRUSH */
#ifdef HAVE_ALPHA_BLEND
if (settings.transparency && AlphaBlendAvailable()) {
m_buffer.Select(airspace_look.solid_brushes[color_index]);
} else {
#endif
// this color is used as the black bit
m_buffer.SetTextColor(LightColor(airspace_look.colors[color_index]));
// get brush, can be solid or a 1bpp bitmap
m_buffer.Select(airspace_look.brushes[settings.brushes[airspace.GetType()]]);
m_buffer.SetBackgroundOpaque();
m_buffer.SetBackgroundColor(COLOR_WHITE);
#ifdef HAVE_ALPHA_BLEND
}
#endif
m_buffer.SelectNullPen();
if (m_warnings.is_warning(airspace) || m_warnings.is_inside(airspace)) {
m_stencil.SelectBlackBrush();
m_stencil.Select(airspace_look.medium_pen);
} else {
m_stencil.Select(airspace_look.thick_pen);
m_stencil.SelectHollowBrush();
}
#endif /* HAVE_HATCHED_BRUSH */
}
void
AirspacePreviewRenderer::Draw(Canvas &canvas, const AbstractAirspace &airspace,
const RasterPoint pt, unsigned radius,
const AirspaceRendererSettings &settings,
const AirspaceLook &look)
{
canvas.SelectHollowBrush();
if (settings.black_outline)
canvas.SelectBlackPen();
else
canvas.Select(look.pens[airspace.GetType()]);
if (airspace.shape == AbstractAirspace::Shape::CIRCLE)
canvas.circle(pt.x, pt.y, radius);
else
DrawPolygon(canvas, (const AirspacePolygon &)airspace, pt, radius);
}
bool SetupOutline(const AbstractAirspace &airspace) {
AirspaceClass type = airspace.GetType();
if (settings.black_outline)
canvas.SelectBlackPen();
else if (settings.classes[type].border_width == 0)
// Don't draw outlines if border_width == 0
return false;
else
canvas.Select(look.classes[type].border_pen);
canvas.SelectHollowBrush();
// set bit 1 in stencil buffer, where an outline is drawn
glStencilFunc(GL_ALWAYS, 3, 3);
glStencilMask(2);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
return true;
}
void SetBufferPens(const AbstractAirspace &airspace) {
AirspaceClass airspace_class = airspace.GetType();
#ifndef HAVE_HATCHED_BRUSH
buffer.Select(look.solid_brushes[airspace_class]);
#else /* HAVE_HATCHED_BRUSH */
#ifdef HAVE_ALPHA_BLEND
if (settings.transparency && AlphaBlendAvailable()) {
buffer.Select(look.solid_brushes[airspace_class]);
} else {
#endif
// this color is used as the black bit
buffer.SetTextColor(LightColor(settings.classes[airspace_class].fill_color));
// get brush, can be solid or a 1bpp bitmap
buffer.Select(look.brushes[settings.classes[airspace_class].brush]);
buffer.SetBackgroundOpaque();
buffer.SetBackgroundColor(COLOR_WHITE);
#ifdef HAVE_ALPHA_BLEND
}
#endif
buffer.SelectNullPen();
if (use_stencil) {
if (warnings.HasWarning(airspace) || warnings.IsInside(airspace) ||
settings.classes[airspace_class].fill_mode ==
AirspaceClassRendererSettings::FillMode::ALL) {
stencil.SelectBlackBrush();
stencil.SelectNullPen();
} else {
stencil.Select(look.thick_pen);
stencil.SelectHollowBrush();
}
}
#endif /* HAVE_HATCHED_BRUSH */
}
void
AirspacePreviewRenderer::Draw(Canvas &canvas, const AbstractAirspace &airspace,
const RasterPoint pt, unsigned radius,
const AirspaceRendererSettings &settings,
const AirspaceLook &look)
{
AbstractAirspace::Shape shape = airspace.GetShape();
AirspaceClass type = airspace.GetType();
// Container for storing the points of a polygon airspace
std::vector<RasterPoint> pts;
if (shape == AbstractAirspace::Shape::POLYGON && !IsAncientHardware())
GetPolygonPoints(pts, (const AirspacePolygon &)airspace, pt, radius);
if (PrepareFill(canvas, type, look, settings)) {
DrawShape(canvas, shape, pt, radius, pts);
UnprepareFill(canvas);
}
if (PrepareOutline(canvas, type, look, settings))
DrawShape(canvas, shape, pt, radius, pts);
}
virtual void Visit(const AbstractAirspace &airspace) override {
if (warnings.IsAcked(airspace))
return;
AirspaceClass airspace_class = airspace.GetType();
if (settings.fill_mode == AirspaceRendererSettings::FillMode::NONE ||
settings.classes[airspace_class].fill_mode ==
AirspaceClassRendererSettings::FillMode::NONE)
return;
Begin();
SetBufferPens(airspace);
switch (airspace.GetShape()) {
case AbstractAirspace::Shape::CIRCLE:
VisitCircle((const AirspaceCircle &)airspace);
break;
case AbstractAirspace::Shape::POLYGON:
VisitPolygon((const AirspacePolygon &)airspace);
break;
}
}
tstring
AirspaceFormatter::GetNameAndClass(const AbstractAirspace &airspace)
{
return tstring(airspace.GetName()) + _T(" ") + GetClass(airspace.GetType());
}
bool
IsAirspaceTypeVisible(const AbstractAirspace &airspace,
const AirspaceRendererSettings &renderer_settings)
{
return renderer_settings.classes[airspace.GetType()].display;
}
void SetupInterior(const AbstractAirspace &airspace) {
Color color = settings.classes[airspace.GetType()].fill_color;
canvas.Select(Brush(color.WithAlpha(48)));
canvas.SelectNullPen();
}
bool
AirspaceWarningManager::IsActive(const AbstractAirspace &airspace) const
{
return airspace.IsActive() && config.IsClassEnabled(airspace.GetType()) &&
!GetAckDay(airspace);
}
inline void
AirspaceIntersectionVisitorSlice::Render(const AbstractAirspace &as) const
{
AirspaceClass type = as.GetType();
// No intersections for this airspace
if (intersections.empty())
return;
PixelRect rcd;
// Calculate top and bottom coordinate
rcd.top = chart.ScreenY(as.GetTopAltitude(state));
if (as.IsBaseTerrain())
rcd.bottom = chart.ScreenY(fixed(0));
else
rcd.bottom = chart.ScreenY(as.GetBaseAltitude(state));
int min_x = 1024, max_x = 0;
// Iterate through the intersections
for (const auto &i : intersections) {
const GeoPoint &p_start = i.first;
const GeoPoint &p_end = i.second;
rcd.left = chart.ScreenX(start.Distance(p_start));
// only one edge found, next edge must be beyond screen
if (p_start == p_end)
rcd.right = chart.ScreenX(chart.GetXMax());
else
rcd.right = chart.ScreenX(start.Distance(p_end));
if (rcd.left < min_x)
min_x = rcd.left;
if (rcd.right > max_x)
max_x = rcd.right;
// Draw the airspace
RenderBox(rcd, type);
}
min_x += Layout::GetTextPadding();
max_x -= Layout::GetTextPadding();
/* draw the airspace name */
const TCHAR *name = as.GetName();
if (name != nullptr && !StringIsEmpty(name) && min_x < max_x) {
canvas.SetBackgroundTransparent();
canvas.SetTextColor(COLOR_BLACK);
const unsigned max_width = max_x - min_x;
const PixelSize name_size = canvas.CalcTextSize(name);
const int x = unsigned(name_size.cx) >= max_width
? min_x
: (min_x + max_x - name_size.cx) / 2;
const int y = (rcd.top + rcd.bottom - name_size.cy) / 2;
canvas.DrawClippedText(x, y, max_x - x, name);
}
}
void setup_canvas(const AbstractAirspace &airspace) {
if (!black)
canvas.Select(airspace_look.pens[airspace.GetType()]);
}
bool
AirspaceVisiblePredicate::IsTypeVisible(const AbstractAirspace& airspace) const
{
return renderer_settings.display[airspace.GetType()];
}
void setup_interior(const AbstractAirspace &airspace) {
Color color = airspace_look.colors[settings.colours[airspace.GetType()]];
canvas.Select(Brush(color.WithAlpha(48)));
canvas.SelectNullPen();
}
