void
MapItemListRenderer::Draw(Canvas &canvas, const PixelRect rc,
const TrafficMapItem &item,
const DialogLook &dialog_look,
const TrafficLook &traffic_look)
{
const PixelScalar line_height = rc.bottom - rc.top;
const FlarmTraffic traffic = item.traffic;
// Now render the text information
const Font &name_font = *dialog_look.list.font;
const Font &small_font = *dialog_look.small_font;
PixelScalar left = rc.left + line_height + Layout::FastScale(2);
const FlarmRecord *record = FlarmDetails::LookupRecord(item.traffic.id);
StaticString<256> title_string;
if (record && !StringIsEmpty(record->pilot))
title_string = record->pilot.c_str();
else
title_string = _("FLARM Traffic");
// Append name to the title, if it exists
if (traffic.HasName()) {
title_string.append(_T(", "));
title_string.append(traffic.name);
}
canvas.Select(name_font);
canvas.text_clipped(left, rc.top + Layout::FastScale(2), rc, title_string);
StaticString<256> info_string;
if (record && !StringIsEmpty(record->plane_type))
info_string = record->plane_type;
else
info_string = FlarmTraffic::GetTypeString(item.traffic.type);
// Generate the line of info about the target, if it's available
if (traffic.altitude_available) {
TCHAR tmp[15];
FormatUserAltitude(traffic.altitude, tmp, 15);
info_string.AppendFormat(_T(", %s: %s"), _("Altitude"), tmp);
}
if (traffic.climb_rate_avg30s_available) {
TCHAR tmp[15];
FormatUserVerticalSpeed(traffic.climb_rate_avg30s, tmp, 15);
info_string.AppendFormat(_T(", %s: %s"), _("Vario"), tmp);
}
canvas.Select(small_font);
canvas.text_clipped(left,
rc.top + name_font.GetHeight() + Layout::FastScale(4),
rc, info_string);
RasterPoint pt = { (PixelScalar)(rc.left + line_height / 2),
(PixelScalar)(rc.top + line_height / 2) };
// Render the representation of the traffic icon
TrafficRenderer::Draw(canvas, traffic_look, traffic, traffic.track,
item.color, pt);
}
/**
* Paints the basic info for the selected target on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficControl::PaintTrafficInfo(Canvas &canvas) const
{
// Don't paint numbers if no plane selected
if (selection == -1 && !WarningMode())
return;
// Shortcut to the selected traffic
FlarmTraffic traffic = data.list[WarningMode() ? warning : selection];
assert(traffic.IsDefined());
const unsigned padding = Layout::GetTextPadding();
PixelRect rc;
rc.left = padding;
rc.top = padding;
rc.right = canvas.GetWidth() - padding;
rc.bottom = canvas.GetHeight() - padding;
// Set the text color and background
switch (traffic.alarm_level) {
case FlarmTraffic::AlarmType::LOW:
case FlarmTraffic::AlarmType::INFO_ALERT:
canvas.SetTextColor(look.warning_color);
break;
case FlarmTraffic::AlarmType::IMPORTANT:
case FlarmTraffic::AlarmType::URGENT:
canvas.SetTextColor(look.alarm_color);
break;
case FlarmTraffic::AlarmType::NONE:
canvas.SetTextColor(look.default_color);
break;
}
canvas.SetBackgroundTransparent();
// Climb Rate
if (!WarningMode() && traffic.climb_rate_avg30s_available)
PaintClimbRate(canvas, rc, traffic.climb_rate_avg30s);
// Distance
PaintDistance(canvas, rc, traffic.distance);
// Relative Height
PaintRelativeAltitude(canvas, rc, traffic.relative_altitude);
// ID / Name
if (!traffic.HasAlarm())
canvas.SetTextColor(look.selection_color);
PaintID(canvas, rc, traffic);
}
void
FlarmTrafficControl::PaintID(Canvas &canvas, PixelRect rc,
const FlarmTraffic &traffic) const
{
TCHAR buffer[20];
unsigned font_size;
if (traffic.HasName()) {
canvas.Select(look.call_sign_font);
font_size = look.call_sign_font.GetHeight();
_tcscpy(buffer, traffic.name);
} else {
canvas.Select(look.info_labels_font);
font_size = look.info_labels_font.GetHeight();
traffic.id.Format(buffer);
}
if (!WarningMode()) {
// Team color dot
FlarmFriends::Color team_color = FlarmFriends::GetFriendColor(traffic.id);
// If no color found but target is teammate
if (team_color == FlarmFriends::Color::NONE &&
settings.team_flarm_tracking &&
traffic.id == settings.team_flarm_id)
// .. use green color
team_color = FlarmFriends::Color::GREEN;
// If team color found -> draw a colored circle in front of the name
if (team_color != FlarmFriends::Color::NONE) {
switch (team_color) {
case FlarmFriends::Color::GREEN:
canvas.Select(look.team_brush_green);
break;
case FlarmFriends::Color::BLUE:
canvas.Select(look.team_brush_blue);
break;
case FlarmFriends::Color::YELLOW:
canvas.Select(look.team_brush_yellow);
break;
case FlarmFriends::Color::MAGENTA:
canvas.Select(look.team_brush_magenta);
break;
default:
break;
}
canvas.SelectNullPen();
canvas.DrawCircle(rc.left + Layout::FastScale(7), rc.top + (font_size / 2),
Layout::FastScale(7));
rc.left += Layout::FastScale(16);
}
}
canvas.DrawText(rc.left, rc.top, buffer);
}
/**
* Paints the traffic symbols on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintRadarTarget(Canvas &canvas,
const FlarmTraffic &traffic,
unsigned i)
{
// Save relative East/North
fixed x = traffic.relative_east;
fixed y = -traffic.relative_north;
// Calculate the distance in pixels
fixed scale = RangeScale(traffic.distance);
// Don't display distracting, far away targets in WarningMode
if (WarningMode() && !traffic.HasAlarm() && scale == fixed(radius))
return;
// x and y are not between 0 and 1 (distance will be handled via scale)
if (!traffic.distance.IsZero()) {
x /= traffic.distance;
y /= traffic.distance;
} else {
x = fixed_zero;
y = fixed_zero;
}
if (!enable_north_up) {
// Rotate x and y to have a track up display
FastRotation::Pair p = fr.Rotate(x, y);
x = fixed(p.first);
y = fixed(p.second);
}
// Calculate screen coordinates
sc[i].x = radar_mid.x + iround(x * scale);
sc[i].y = radar_mid.y + iround(y * scale);
const Color *text_color;
const Pen *target_pen, *circle_pen;
const Brush *target_brush, *arrow_brush;
bool hollow_brush = false;
unsigned circles = 0;
// Set the arrow color depending on alarm level
switch (traffic.alarm_level) {
case FlarmTraffic::AlarmType::LOW:
text_color = &look.default_color;
target_pen = circle_pen = &look.warning_pen;
target_brush = &look.warning_brush;
arrow_brush = &look.default_brush;
circles = 1;
break;
case FlarmTraffic::AlarmType::IMPORTANT:
case FlarmTraffic::AlarmType::URGENT:
text_color = &look.default_color;
target_pen = circle_pen = &look.alarm_pen;
target_brush = &look.alarm_brush;
arrow_brush = &look.default_brush;
circles = 2;
break;
case FlarmTraffic::AlarmType::NONE:
if (WarningMode()) {
text_color = &look.passive_color;
target_pen = &look.passive_pen;
arrow_brush = &look.passive_brush;
hollow_brush = true;
} else {
// Search for team color
FlarmFriends::Color team_color = FlarmFriends::GetFriendColor(traffic.id);
// If no color found but target is teammate
if (team_color == FlarmFriends::NONE &&
settings.team_flarm_tracking &&
traffic.id == settings.team_flarm_id)
// .. use yellow color
team_color = FlarmFriends::GREEN;
// If team color found -> draw a colored circle around the target
if (team_color != FlarmFriends::NONE) {
switch (team_color) {
case FlarmFriends::GREEN:
circle_pen = &look.team_pen_green;
break;
case FlarmFriends::BLUE:
circle_pen = &look.team_pen_blue;
break;
case FlarmFriends::YELLOW:
circle_pen = &look.team_pen_yellow;
break;
case FlarmFriends::MAGENTA:
circle_pen = &look.team_pen_magenta;
break;
default:
break;
}
circles = 1;
}
if (!small && static_cast<unsigned> (selection) == i) {
text_color = &look.selection_color;
target_brush = arrow_brush = &look.selection_brush;
target_pen = &look.selection_pen;
} else {
hollow_brush = true;
if (traffic.IsPassive()) {
text_color = &look.passive_color;
target_pen = &look.passive_pen;
arrow_brush = &look.passive_brush;
} else {
text_color = &look.default_color;
target_pen = &look.default_pen;
arrow_brush = &look.default_brush;
}
}
}
break;
}
if (circles > 0) {
canvas.SelectHollowBrush();
canvas.Select(*circle_pen);
canvas.circle(sc[i].x, sc[i].y, Layout::FastScale(small ? 8 : 16));
if (circles == 2)
canvas.circle(sc[i].x, sc[i].y, Layout::FastScale(small ? 10 : 19));
}
// Create an arrow polygon
RasterPoint Arrow[5];
if (small) {
Arrow[0].x = -3;
Arrow[0].y = 4;
Arrow[1].x = 0;
Arrow[1].y = -5;
Arrow[2].x = 3;
Arrow[2].y = 4;
Arrow[3].x = 0;
Arrow[3].y = 2;
Arrow[4].x = -3;
Arrow[4].y = 4;
} else {
Arrow[0].x = -6;
Arrow[0].y = 8;
Arrow[1].x = 0;
Arrow[1].y = -10;
Arrow[2].x = 6;
Arrow[2].y = 8;
Arrow[3].x = 0;
Arrow[3].y = 5;
Arrow[4].x = -6;
Arrow[4].y = 8;
}
// Rotate and shift the arrow
PolygonRotateShift(Arrow, 5, sc[i].x, sc[i].y,
traffic.track - (enable_north_up ?
Angle::Zero() : heading));
// Select pen and brush
canvas.Select(*target_pen);
if (hollow_brush)
canvas.SelectHollowBrush();
else
canvas.Select(*target_brush);
// Draw the polygon
canvas.polygon(Arrow, 5);
if (small) {
if (WarningMode() && !traffic.HasAlarm())
return;
const short relalt =
iround(Units::ToUserAltitude(traffic.relative_altitude) / 100);
// if (relative altitude is other than zero)
if (relalt == 0)
return;
// Write the relativ altitude devided by 100 to the Buffer
StaticString<10> buffer;
buffer.Format(_T("%d"), abs(relalt));
// Select font
canvas.SetBackgroundTransparent();
canvas.Select(look.side_info_font);
canvas.SetTextColor(*text_color);
// Calculate size of the output string
PixelSize tsize = canvas.CalcTextSize(buffer);
UPixelScalar dist = Layout::FastScale(traffic.HasAlarm() ? 12 : 8);
// Draw string
canvas.text(sc[i].x + dist, sc[i].y - tsize.cy / 2, buffer);
// Set target_brush for the up/down arrow
canvas.Select(*arrow_brush);
canvas.SelectNullPen();
// Prepare the triangular polygon
RasterPoint triangle[4];
triangle[0].x = 0;
triangle[0].y = -4;
triangle[1].x = 3;
triangle[1].y = 0;
triangle[2].x = -3;
triangle[2].y = 0;
// Flip = -1 for arrow pointing downwards
short flip = 1;
if (relalt < 0)
flip = -1;
// Shift the arrow to the right position
for (int j = 0; j < 3; j++) {
triangle[j].x = Layout::FastScale(triangle[j].x);
triangle[j].y = Layout::FastScale(triangle[j].y);
triangle[j].x = sc[i].x + dist + triangle[j].x + tsize.cx / 2;
triangle[j].y = sc[i].y + flip * (triangle[j].y - tsize.cy / 2);
}
triangle[3].x = triangle[0].x;
triangle[3].y = triangle[0].y;
// Draw the arrow
canvas.DrawTriangleFan(triangle, 4);
return;
}
// if warning exists -> don't draw vertical speeds
if (WarningMode())
return;
// if vertical speed to small or negative -> skip this one
if (side_display_type == 1 &&
(!traffic.climb_rate_avg30s_available ||
traffic.climb_rate_avg30s < fixed(0.5) ||
traffic.IsPowered()))
return;
// Select font
canvas.SetBackgroundTransparent();
canvas.Select(look.side_info_font);
// Format string
TCHAR tmp[10];
if (side_display_type == 1)
FormatUserVerticalSpeed(traffic.climb_rate_avg30s, tmp, false);
else
FormatRelativeUserAltitude(traffic.relative_altitude, tmp, true);
PixelSize sz = canvas.CalcTextSize(tmp);
// Draw vertical speed shadow
canvas.SetTextColor(COLOR_WHITE);
canvas.text(sc[i].x + Layout::FastScale(11) + 1,
sc[i].y - sz.cy / 2 + 1, tmp);
canvas.text(sc[i].x + Layout::FastScale(11) - 1,
sc[i].y - sz.cy / 2 - 1, tmp);
// Select color
canvas.SetTextColor(*text_color);
// Draw vertical speed
canvas.text(sc[i].x + Layout::FastScale(11), sc[i].y - sz.cy / 2, tmp);
}
/**
* Paints the basic info for the selected target on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficControl::PaintTrafficInfo(Canvas &canvas) const
{
// Don't paint numbers if no plane selected
if (selection == -1 && !WarningMode())
return;
// Shortcut to the selected traffic
FlarmTraffic traffic = data.traffic[WarningMode() ? warning : selection];
assert(traffic.IsDefined());
// Temporary string
TCHAR tmp[20];
// Temporary string size
PixelSize sz;
PixelRect rc;
rc.left = padding;
rc.top = padding;
rc.right = canvas.get_width() - padding;
rc.bottom = canvas.get_height() - padding;
// Set the text color and background
switch (traffic.alarm_level) {
case FlarmTraffic::AlarmType::LOW:
canvas.SetTextColor(look.warning_color);
break;
case FlarmTraffic::AlarmType::IMPORTANT:
case FlarmTraffic::AlarmType::URGENT:
canvas.SetTextColor(look.alarm_color);
break;
case FlarmTraffic::AlarmType::NONE:
canvas.SetTextColor(look.default_color);
break;
}
canvas.SetBackgroundTransparent();
// Climb Rate
if (!WarningMode() && traffic.climb_rate_avg30s_available) {
Units::FormatUserVerticalSpeed(traffic.climb_rate_avg30s, tmp, 20);
canvas.Select(look.info_values_font);
sz = canvas.CalcTextSize(tmp);
canvas.text(rc.right - sz.cx, rc.top + look.info_labels_font.GetHeight(), tmp);
canvas.Select(look.info_labels_font);
sz = canvas.CalcTextSize(_("Vario"));
canvas.text(rc.right - sz.cx, rc.top, _("Vario"));
}
// Distance
Units::FormatUserDistanceSmart(traffic.distance, tmp, 20);
canvas.Select(look.info_values_font);
sz = canvas.CalcTextSize(tmp);
canvas.text(rc.left, rc.bottom - sz.cy, tmp);
canvas.Select(look.info_labels_font);
canvas.text(rc.left,
rc.bottom - look.info_values_font.GetHeight() - look.info_labels_font.GetHeight(),
_("Distance"));
// Relative Height
Units::FormatRelativeUserAltitude(traffic.relative_altitude, tmp, 20);
canvas.Select(look.info_values_font);
sz = canvas.CalcTextSize(tmp);
canvas.text(rc.right - sz.cx, rc.bottom - sz.cy, tmp);
canvas.Select(look.info_labels_font);
sz = canvas.CalcTextSize(_("Rel. Alt."));
canvas.text(rc.right - sz.cx,
rc.bottom - look.info_values_font.GetHeight() - look.info_labels_font.GetHeight(),
_("Rel. Alt."));
// ID / Name
unsigned font_size;
if (traffic.HasName()) {
canvas.Select(look.call_sign_font);
font_size = look.call_sign_font.GetHeight();
if (!traffic.HasAlarm())
canvas.SetTextColor(look.selection_color);
_tcscpy(tmp, traffic.name);
} else {
font_size = look.info_labels_font.GetHeight();
traffic.id.Format(tmp);
}
if (!WarningMode()) {
// Team color dot
FlarmFriends::Color team_color = FlarmFriends::GetFriendColor(traffic.id);
// If no color found but target is teammate
if (team_color == FlarmFriends::NONE &&
settings.team_flarm_tracking &&
traffic.id == settings.team_flarm_id)
// .. use yellow color
team_color = FlarmFriends::GREEN;
// If team color found -> draw a colored circle around the target
if (team_color != FlarmFriends::NONE) {
switch (team_color) {
case FlarmFriends::GREEN:
canvas.Select(look.team_brush_green);
break;
case FlarmFriends::BLUE:
canvas.Select(look.team_brush_blue);
break;
case FlarmFriends::YELLOW:
canvas.Select(look.team_brush_yellow);
break;
case FlarmFriends::MAGENTA:
canvas.Select(look.team_brush_magenta);
break;
default:
break;
}
canvas.SelectNullPen();
canvas.circle(rc.left + Layout::FastScale(7), rc.top + (font_size / 2),
Layout::FastScale(7));
rc.left += Layout::FastScale(16);
}
}
canvas.text(rc.left, rc.top, tmp);
}
void
FlarmTrafficWindow::PaintTargetInfoSmall(
Canvas &canvas, const FlarmTraffic &traffic, unsigned i,
const Color &text_color, const Brush &arrow_brush)
{
const short relalt =
iround(Units::ToUserAltitude(traffic.relative_altitude) / 100);
// if (relative altitude is other than zero)
if (relalt == 0)
return;
// Write the relativ altitude devided by 100 to the Buffer
StaticString<10> buffer;
buffer.Format(_T("%d"), abs(relalt));
// Select font
canvas.SetBackgroundTransparent();
canvas.Select(look.side_info_font);
canvas.SetTextColor(text_color);
// Calculate size of the output string
PixelSize tsize = canvas.CalcTextSize(buffer);
UPixelScalar dist = Layout::FastScale(traffic.HasAlarm() ? 12 : 8);
// Draw string
canvas.DrawText(sc[i].x + dist, sc[i].y - tsize.cy / 2, buffer);
// Set target_brush for the up/down arrow
canvas.Select(arrow_brush);
canvas.SelectNullPen();
// Prepare the triangular polygon
RasterPoint triangle[4];
triangle[0].x = 0;
triangle[0].y = -4;
triangle[1].x = 3;
triangle[1].y = 0;
triangle[2].x = -3;
triangle[2].y = 0;
// Flip = -1 for arrow pointing downwards
short flip = 1;
if (relalt < 0)
flip = -1;
// Shift the arrow to the right position
for (int j = 0; j < 3; j++) {
triangle[j].x = Layout::FastScale(triangle[j].x);
triangle[j].y = Layout::FastScale(triangle[j].y);
triangle[j].x = sc[i].x + dist + triangle[j].x + tsize.cx / 2;
triangle[j].y = sc[i].y + flip * (triangle[j].y - tsize.cy / 2);
}
triangle[3].x = triangle[0].x;
triangle[3].y = triangle[0].y;
// Draw the arrow
canvas.DrawTriangleFan(triangle, 4);
}
/**
* Paints the traffic symbols on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintRadarTarget(Canvas &canvas,
const FlarmTraffic &traffic,
unsigned i)
{
// Save relative East/North
fixed x = traffic.relative_east;
fixed y = -traffic.relative_north;
// Calculate the distance in pixels
fixed scale = RangeScale(traffic.distance);
// Don't display distracting, far away targets in WarningMode
if (WarningMode() && !traffic.HasAlarm() && scale == fixed(radius))
return;
// x and y are not between 0 and 1 (distance will be handled via scale)
if (!traffic.distance.IsZero()) {
x /= traffic.distance;
y /= traffic.distance;
} else {
x = fixed(0);
y = fixed(0);
}
if (!enable_north_up) {
// Rotate x and y to have a track up display
FastRotation::Pair p = fr.Rotate(x, y);
x = fixed(p.first);
y = fixed(p.second);
}
// Calculate screen coordinates
sc[i].x = radar_mid.x + iround(x * scale);
sc[i].y = radar_mid.y + iround(y * scale);
const Color *text_color;
const Pen *target_pen, *circle_pen;
const Brush *target_brush, *arrow_brush;
bool hollow_brush = false;
unsigned circles = 0;
// Set the arrow color depending on alarm level
switch (traffic.alarm_level) {
case FlarmTraffic::AlarmType::LOW:
case FlarmTraffic::AlarmType::INFO_ALERT:
text_color = &look.default_color;
target_pen = circle_pen = &look.warning_pen;
target_brush = &look.warning_brush;
arrow_brush = &look.default_brush;
circles = 1;
break;
case FlarmTraffic::AlarmType::IMPORTANT:
case FlarmTraffic::AlarmType::URGENT:
text_color = &look.default_color;
target_pen = circle_pen = &look.alarm_pen;
target_brush = &look.alarm_brush;
arrow_brush = &look.default_brush;
circles = 2;
break;
case FlarmTraffic::AlarmType::NONE:
if (WarningMode()) {
text_color = &look.passive_color;
target_pen = &look.passive_pen;
arrow_brush = &look.passive_brush;
hollow_brush = true;
} else {
// Search for team color
const FlarmColor team_color = FlarmFriends::GetFriendColor(traffic.id);
// If team color found -> draw a colored circle around the target
if (team_color != FlarmColor::NONE) {
switch (team_color) {
case FlarmColor::GREEN:
circle_pen = &look.team_pen_green;
break;
case FlarmColor::BLUE:
circle_pen = &look.team_pen_blue;
break;
case FlarmColor::YELLOW:
circle_pen = &look.team_pen_yellow;
break;
case FlarmColor::MAGENTA:
circle_pen = &look.team_pen_magenta;
break;
default:
break;
}
circles = 1;
}
if (!small && static_cast<unsigned> (selection) == i) {
text_color = &look.selection_color;
target_brush = arrow_brush = &look.selection_brush;
target_pen = &look.selection_pen;
} else {
hollow_brush = true;
if (traffic.IsPassive()) {
text_color = &look.passive_color;
target_pen = &look.passive_pen;
arrow_brush = &look.passive_brush;
} else {
text_color = &look.default_color;
target_pen = &look.default_pen;
arrow_brush = &look.default_brush;
}
}
}
break;
}
if (circles > 0) {
canvas.SelectHollowBrush();
canvas.Select(*circle_pen);
canvas.DrawCircle(sc[i].x, sc[i].y, Layout::FastScale(small ? 8 : 16));
if (circles == 2)
canvas.DrawCircle(sc[i].x, sc[i].y, Layout::FastScale(small ? 10 : 19));
}
// Create an arrow polygon
RasterPoint Arrow[5];
if (small) {
Arrow[0].x = -3;
Arrow[0].y = 4;
Arrow[1].x = 0;
Arrow[1].y = -5;
Arrow[2].x = 3;
Arrow[2].y = 4;
Arrow[3].x = 0;
Arrow[3].y = 2;
Arrow[4].x = -3;
Arrow[4].y = 4;
} else {
Arrow[0].x = -6;
Arrow[0].y = 8;
Arrow[1].x = 0;
Arrow[1].y = -10;
Arrow[2].x = 6;
Arrow[2].y = 8;
Arrow[3].x = 0;
Arrow[3].y = 5;
Arrow[4].x = -6;
Arrow[4].y = 8;
}
// Rotate and shift the arrow
PolygonRotateShift(Arrow, 5, sc[i].x, sc[i].y,
traffic.track - (enable_north_up ?
Angle::Zero() : heading));
// Select pen and brush
canvas.Select(*target_pen);
if (hollow_brush)
canvas.SelectHollowBrush();
else
canvas.Select(*target_brush);
// Draw the polygon
canvas.DrawPolygon(Arrow, 5);
if (small) {
if (!WarningMode() || traffic.HasAlarm())
PaintTargetInfoSmall(canvas, traffic, i, *text_color, *arrow_brush);
return;
}
// if warning exists -> don't draw vertical speeds
if (WarningMode())
return;
// if vertical speed to small or negative -> skip this one
if (side_display_type == SIDE_INFO_VARIO &&
(!traffic.climb_rate_avg30s_available ||
traffic.climb_rate_avg30s < fixed(0.5) ||
traffic.IsPowered()))
return;
// Select font
canvas.SetBackgroundTransparent();
canvas.Select(look.side_info_font);
// Format string
TCHAR tmp[10];
if (side_display_type == SIDE_INFO_VARIO)
FormatUserVerticalSpeed(traffic.climb_rate_avg30s, tmp, false);
else
FormatRelativeUserAltitude(traffic.relative_altitude, tmp, true);
PixelSize sz = canvas.CalcTextSize(tmp);
// Draw vertical speed shadow
canvas.SetTextColor(COLOR_WHITE);
canvas.DrawText(sc[i].x + Layout::FastScale(11) + 1,
sc[i].y - sz.cy / 2 + 1, tmp);
canvas.DrawText(sc[i].x + Layout::FastScale(11) - 1,
sc[i].y - sz.cy / 2 - 1, tmp);
// Select color
canvas.SetTextColor(*text_color);
// Draw vertical speed
canvas.DrawText(sc[i].x + Layout::FastScale(11), sc[i].y - sz.cy / 2, tmp);
}
