void
ThermalAssistantWindow::PaintRadarBackground(Canvas &canvas, fixed max_lift) const
{
canvas.Clear(look.background_color);
canvas.SelectHollowBrush();
canvas.Select(look.inner_circle_pen);
canvas.DrawCircle(mid.x, mid.y, radius / 2);
canvas.Select(look.outer_circle_pen);
canvas.DrawCircle(mid.x, mid.y, radius);
if (small)
return;
canvas.SetTextColor(COLOR_BLACK);
canvas.Select(look.circle_label_font);
canvas.SetBackgroundColor(look.background_color);
canvas.SetBackgroundOpaque();
TCHAR lift_string[10];
FormatUserVerticalSpeed(max_lift, lift_string, ARRAY_SIZE(lift_string));
PixelSize s = canvas.CalcTextSize(lift_string);
canvas.text(mid.x - s.cx / 2,
mid.y + radius - s.cy * 0.75, lift_string);
FormatUserVerticalSpeed(fixed_zero, lift_string, ARRAY_SIZE(lift_string));
s = canvas.CalcTextSize(lift_string);
canvas.text(mid.x - s.cx / 2,
mid.y + radius / 2 - s.cy * 0.75, lift_string);
canvas.SetBackgroundTransparent();
}
void
ThermalAssistantWindow::PaintRadarBackground(Canvas &canvas) const
{
canvas.clear(hbBackground);
canvas.SelectHollowBrush();
canvas.Select(hpInnerCircle);
canvas.circle(mid.x, mid.y, radius / 2);
canvas.Select(hpOuterCircle);
canvas.circle(mid.x, mid.y, radius);
if (small)
return;
canvas.SetTextColor(COLOR_BLACK);
canvas.Select(hfLabels);
canvas.SetBackgroundColor(hcBackground);
canvas.SetBackgroundOpaque();
TCHAR lift_string[10];
Units::FormatUserVerticalSpeed(max_lift, lift_string, ARRAY_SIZE(lift_string));
PixelSize s = canvas.CalcTextSize(lift_string);
canvas.text(mid.x - s.cx / 2,
mid.y + radius - s.cy * 0.75, lift_string);
Units::FormatUserVerticalSpeed(fixed_zero, lift_string, ARRAY_SIZE(lift_string));
s = canvas.CalcTextSize(lift_string);
canvas.text(mid.x - s.cx / 2,
mid.y + radius / 2 - s.cy * 0.75, lift_string);
canvas.SetBackgroundTransparent();
}
void
FlarmTrafficControl::PaintRelativeAltitude(Canvas &canvas, PixelRect rc,
fixed relative_altitude) const
{
// Format relative altitude
TCHAR buffer[20];
Unit unit = Units::GetUserAltitudeUnit();
FormatRelativeUserAltitude(relative_altitude, buffer, false);
// Calculate unit size
canvas.Select(look.info_units_font);
const unsigned unit_width = UnitSymbolRenderer::GetSize(canvas, unit).cx;
const unsigned unit_height =
UnitSymbolRenderer::GetAscentHeight(look.info_units_font, unit);
const unsigned space_width = unit_width / 3;
// Calculate value size
canvas.Select(look.info_values_font);
const unsigned value_height = look.info_values_font.GetAscentHeight();
const unsigned value_width = canvas.CalcTextSize(buffer).cx;
// Calculate positions
const unsigned max_height = std::max(unit_height, value_height);
// Paint value
canvas.DrawText(rc.right - unit_width - space_width - value_width,
rc.bottom - value_height,
buffer);
// Paint unit
canvas.Select(look.info_units_font);
UnitSymbolRenderer::Draw(canvas,
RasterPoint(rc.right - unit_width,
rc.bottom - unit_height),
unit, look.unit_fraction_pen);
// Paint label
canvas.Select(look.info_labels_font);
const unsigned label_width = canvas.CalcTextSize(_("Rel. Alt.")).cx;
canvas.DrawText(rc.right - label_width,
rc.bottom - max_height - look.info_labels_font.GetHeight(),
_("Rel. Alt."));
}
void
MapWindow::DrawTaskOffTrackIndicator(Canvas &canvas)
{
if (Calculated().circling
|| !Basic().location_available
|| !Basic().track_available
|| !GetMapSettings().detour_cost_markers_enabled)
return;
const TaskStats &task_stats = Calculated().task_stats;
const ElementStat ¤t_leg = task_stats.current_leg;
if (!task_stats.task_valid || !current_leg.location_remaining.IsValid())
return;
const GeoPoint target = current_leg.location_remaining;
GeoVector vec(Basic().location, target);
if ((Basic().track - vec.bearing).AsDelta().AbsoluteDegrees() < fixed(10))
// insignificant error
return;
fixed distance_max =
std::min(vec.distance,
render_projection.GetScreenDistanceMeters() * fixed(0.7));
// too short to bother
if (distance_max < fixed(5000))
return;
GeoPoint start = Basic().location;
canvas.Select(*look.overlay_font);
canvas.SetTextColor(COLOR_BLACK);
canvas.SetBackgroundTransparent();
GeoPoint dloc;
int ilast = 0;
for (fixed d = fixed(1) / 4; d <= fixed(1); d += fixed(1) / 4) {
dloc = FindLatitudeLongitude(start, Basic().track, distance_max * d);
fixed distance0 = start.Distance(dloc);
fixed distance1 = target.Distance(dloc);
fixed distance = fixed(distance0 + distance1) / vec.distance;
int idist = iround((distance - fixed(1)) * 100);
if ((idist != ilast) && (idist > 0) && (idist < 1000)) {
TCHAR Buffer[5];
_stprintf(Buffer, _T("%d"), idist);
RasterPoint sc = render_projection.GeoToScreen(dloc);
PixelSize tsize = canvas.CalcTextSize(Buffer);
canvas.DrawText(sc.x - tsize.cx / 2, sc.y - tsize.cy / 2, Buffer);
ilast = idist;
}
}
}
static void
Draw(Canvas &canvas)
{
PixelRect rc = canvas.GetRect();
rc.Grow(-0.2 * rc.GetSize().cx);
/* draw the banner text with a large font */
Font small_font;
small_font.LoadFile("/opt/LK8000/share/fonts/DejaVuSansCondensed.ttf", (rc.GetSize().cy / 25));
canvas.Select(small_font);
canvas.SetTextColor(COLOR_BLACK);
canvas.SetBackgroundTransparent();
const TCHAR *const text = _T("Powered Off");
const PixelSize text_size = canvas.CalcTextSize(text);
const RasterPoint text_pos = {
rc.left + 16,
rc.bottom - 16 - text_size.cy
};
canvas.DrawText(text_pos.x, text_pos.y, text);
Font big_font;
big_font.LoadFile("/opt/LK8000/share/fonts/DejaVuSansCondensed-Bold.ttf", (rc.GetSize().cy / 10));
canvas.Select(big_font);
const TCHAR *const text2 = _T("LK8000");
const PixelSize text2_size = canvas.CalcTextSize(text2);
const RasterPoint text2_pos = {
(rc.left + rc.GetSize().cx + text2_size.cx) / 2,
(rc.top + (rc.GetSize().cy / 10))
};
canvas.DrawText(text2_pos.x, text2_pos.y, text2);
const double Scale = (double)rc.GetSize().cx / (double)bird_size.cx;
RasterPoint polygon[array_size(bird_polygon)] = {};
std::transform(std::begin(bird_polygon), std::end(bird_polygon), std::begin(polygon), [Scale, rc, text2_size, text2_pos]( const RasterPoint& pt ) {
return RasterPoint(pt.x*Scale + rc.left, pt.y*Scale + text2_pos.y + text2_size.cy);
});
canvas.SelectBlackBrush();
canvas.DrawPolygon(polygon, array_size(polygon));
}
void
FlarmTrafficControl::PaintClimbRate(Canvas &canvas, PixelRect rc,
fixed climb_rate) const
{
// Paint label
canvas.Select(look.info_labels_font);
const unsigned label_width = canvas.CalcTextSize(_("Vario")).cx;
canvas.DrawText(rc.right - label_width, rc.top, _("Vario"));
// Format climb rate
TCHAR buffer[20];
Unit unit = Units::GetUserVerticalSpeedUnit();
FormatUserVerticalSpeed(climb_rate, buffer, false);
// Calculate unit size
canvas.Select(look.info_units_font);
const unsigned unit_width = UnitSymbolRenderer::GetSize(canvas, unit).cx;
const unsigned unit_height =
UnitSymbolRenderer::GetAscentHeight(look.info_units_font, unit);
UPixelScalar space_width = unit_width / 3;
// Calculate value size
canvas.Select(look.info_values_font);
const unsigned value_height = look.info_values_font.GetAscentHeight();
const unsigned value_width = canvas.CalcTextSize(buffer).cx;
// Calculate positions
const int max_height = std::max(unit_height, value_height);
const int y = rc.top + look.info_units_font.GetHeight() + max_height;
// Paint value
canvas.DrawText(rc.right - unit_width - space_width - value_width,
y - value_height,
buffer);
// Paint unit
canvas.Select(look.info_units_font);
UnitSymbolRenderer::Draw(canvas,
RasterPoint(rc.right - unit_width, y - unit_height),
unit, look.unit_fraction_pen);
}
void
InfoBoxWindow::PaintValue(Canvas &canvas, Color background_color)
{
if (data.value.empty())
return;
canvas.SetTextColor(look.GetValueColor(data.value_color));
canvas.Select(look.unit_font);
int unit_width =
UnitSymbolRenderer::GetSize(canvas, data.value_unit).cx;
canvas.Select(look.value_font);
int ascent_height = look.value_font.GetAscentHeight();
PixelSize value_size = canvas.CalcTextSize(data.value);
if (unsigned(value_size.cx + unit_width) > value_rect.GetWidth()) {
canvas.Select(look.small_value_font);
ascent_height = look.small_value_font.GetAscentHeight();
value_size = canvas.CalcTextSize(data.value);
}
int x = std::max(0,
(value_rect.left + value_rect.right
- value_size.cx - unit_width) / 2);
int y = (value_rect.top + value_rect.bottom - value_size.cy) / 2;
canvas.TextAutoClipped(x, y, data.value);
if (unit_width != 0) {
const int unit_height =
UnitSymbolRenderer::GetAscentHeight(look.unit_font, data.value_unit);
canvas.Select(look.unit_font);
UnitSymbolRenderer::Draw(canvas,
{ x + value_size.cx,
y + ascent_height - unit_height },
data.value_unit, look.unit_fraction_pen);
}
}
/**
* Paints a "No Traffic" sign on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintRadarNoTraffic(Canvas &canvas) const
{
if (small)
return;
const TCHAR* str = _("No Traffic");
canvas.Select(look.no_traffic_font);
PixelSize ts = canvas.CalcTextSize(str);
canvas.SetTextColor(look.default_color);
canvas.text(radar_mid.x - (ts.cx / 2), radar_mid.y - (radius / 2), str);
}
void
ThermalAssistantWindow::PaintNotCircling(Canvas &canvas) const
{
if (small)
return;
const TCHAR* str = _("Not Circling");
canvas.Select(hfNoTraffic);
PixelSize ts = canvas.CalcTextSize(str);
canvas.SetTextColor(hcStandard);
canvas.text(mid.x - (ts.cx / 2), mid.y - (radius / 2), str);
}
void
ThermalAssistantWindow::PaintNotCircling(Canvas &canvas) const
{
if (small)
return;
const TCHAR* str = _("Not Circling");
canvas.Select(look.overlay_font);
PixelSize ts = canvas.CalcTextSize(str);
canvas.SetTextColor(look.text_color);
canvas.text(mid.x - (ts.cx / 2), mid.y - (radius / 2), str);
}
void
TabDisplay::PaintButton(Canvas &canvas, unsigned CaptionStyle,
const TCHAR *caption, const PixelRect &rc,
const Bitmap *bmp, const bool isDown, bool inverse)
{
PixelRect rcTextFinal = rc;
const UPixelScalar buttonheight = rc.bottom - rc.top;
const PixelSize text_size = canvas.CalcTextSize(caption);
const int textwidth = text_size.cx;
const int textheight = text_size.cy;
UPixelScalar textheightoffset = 0;
if (textwidth > (rc.right - rc.left)) // assume 2 lines
textheightoffset = std::max(0, (int)(buttonheight - textheight * 2) / 2);
else
textheightoffset = std::max(0, (int)(buttonheight - textheight) / 2);
rcTextFinal.top += textheightoffset;
canvas.DrawFilledRectangle(rc, canvas.GetBackgroundColor());
if (bmp != NULL) {
const PixelSize bitmap_size = bmp->GetSize();
const int offsetx = (rc.right - rc.left - bitmap_size.cx / 2) / 2;
const int offsety = (rc.bottom - rc.top - bitmap_size.cy) / 2;
if (inverse) // black background
canvas.CopyNotOr(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
else
canvas.CopyAnd(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
} else {
#ifndef USE_GDI
if (IsDithered())
CaptionStyle |= DT_UNDERLINE;
#endif
canvas.DrawFormattedText(&rcTextFinal, caption, CaptionStyle);
}
}
void
KnobTextEntryWindow::OnPaint(Canvas &canvas)
{
const PixelRect rc = GetClientRect();
canvas.Clear(Color(0x40, 0x40, 0x00));
// Do the actual painting of the text
const DialogLook &look = UIGlobals::GetDialogLook();
canvas.Select(look.text_font);
PixelSize tsize = canvas.CalcTextSize(buffer);
PixelSize tsizec = canvas.CalcTextSize(buffer, cursor);
PixelSize tsizea = canvas.CalcTextSize(buffer, cursor + 1);
BulkPixelPoint p[5];
p[0].x = 10;
p[0].y = (rc.GetHeight() - tsize.cy - 5) / 2;
p[2].x = p[0].x + tsizec.cx;
p[2].y = p[0].y + tsize.cy + 5;
p[3].x = p[0].x + tsizea.cx;
p[3].y = p[0].y + tsize.cy + 5;
p[1].x = p[2].x;
p[1].y = p[2].y - 2;
p[4].x = p[3].x;
p[4].y = p[3].y - 2;
canvas.SelectWhitePen();
canvas.DrawPolyline(p + 1, 4);
canvas.SetBackgroundTransparent();
canvas.SetTextColor(COLOR_WHITE);
canvas.DrawText(p[0].x, p[0].y, buffer);
}
/**
* Paints the radar circle on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintRadarBackground(Canvas &canvas) const
{
canvas.SelectHollowBrush();
canvas.Select(look.radar_pen);
canvas.SetTextColor(look.radar_color);
// Paint circles
canvas.circle(radar_mid.x, radar_mid.y, radius);
canvas.circle(radar_mid.x, radar_mid.y, radius / 2);
PaintRadarPlane(canvas);
if (small)
return;
// Paint zoom strings
canvas.Select(look.label_font);
canvas.SetBackgroundOpaque();
canvas.SetBackgroundColor(look.background_color);
TCHAR distance_string[10];
FormatUserDistanceSmart(distance, distance_string,
ARRAY_SIZE(distance_string));
PixelSize s = canvas.CalcTextSize(distance_string);
canvas.text(radar_mid.x - s.cx / 2,
radar_mid.y + radius - s.cy * 0.75, distance_string);
FormatUserDistanceSmart(distance / 2, distance_string,
ARRAY_SIZE(distance_string));
s = canvas.CalcTextSize(distance_string);
canvas.text(radar_mid.x - s.cx / 2,
radar_mid.y + radius / 2 - s.cy * 0.75, distance_string);
canvas.SetBackgroundTransparent();
PaintNorth(canvas);
}
static void
OnTextPaint(gcc_unused WndOwnerDrawFrame *Sender, Canvas &canvas)
{
const PixelRect rc = Sender->GetClientRect();
canvas.Clear(Color(0x40, 0x40, 0x00));
// Do the actual painting of the text
const DialogLook &look = UIGlobals::GetDialogLook();
canvas.Select(*look.text_font);
PixelSize tsize = canvas.CalcTextSize(edittext);
PixelSize tsizec = canvas.CalcTextSize(edittext, cursor);
PixelSize tsizea = canvas.CalcTextSize(edittext, cursor + 1);
RasterPoint p[5];
p[0].x = 10;
p[0].y = (rc.bottom - rc.top - tsize.cy - 5) / 2;
p[2].x = p[0].x + tsizec.cx;
p[2].y = p[0].y + tsize.cy + 5;
p[3].x = p[0].x + tsizea.cx;
p[3].y = p[0].y + tsize.cy + 5;
p[1].x = p[2].x;
p[1].y = p[2].y - 2;
p[4].x = p[3].x;
p[4].y = p[3].y - 2;
canvas.SelectWhitePen();
canvas.DrawPolyline(p + 1, 4);
canvas.SetBackgroundTransparent();
canvas.SetTextColor(COLOR_WHITE);
canvas.DrawText(p[0].x, p[0].y, edittext);
}
void
WndProperty::OnPaint(Canvas &canvas)
{
const bool focused = edit.HasFocus();
/* background and selector */
if (focused) {
canvas.Clear(look.focused.background_color);
} else {
/* don't need to erase the background when it has been done by the
parent window already */
if (HaveClipping())
canvas.Clear(look.background_color);
}
WindowControl::OnPaint(canvas);
/* kludge: don't draw caption if width is too small (but not 0),
used by the polar configuration panel. This concept needs to be
redesigned. */
if (caption_width != 0 && !caption.empty()) {
canvas.SetTextColor(focused
? look.focused.text_color
: look.text_color);
canvas.SetBackgroundTransparent();
canvas.Select(*look.text_font);
PixelSize tsize = canvas.CalcTextSize(caption.c_str());
RasterPoint org;
if (caption_width < 0) {
org.x = edit_rc.left;
org.y = edit_rc.top - tsize.cy;
} else {
org.x = caption_width - tsize.cx - Layout::FastScale(3);
org.y = (GetHeight() - tsize.cy) / 2;
}
if (org.x < 1)
org.x = 1;
if (HaveClipping())
canvas.text(org.x, org.y, caption.c_str());
else
canvas.text_clipped(org.x, org.y, caption_width - org.x,
caption.c_str());
}
}
void
InfoBoxWindow::PaintTitle(Canvas &canvas)
{
if (data.title.empty())
return;
if (!pressed && !HasFocus() && !dragging && !force_draw_selector &&
settings.border_style == InfoBoxSettings::BorderStyle::SHADED)
canvas.DrawFilledRectangle(title_rect, look.caption_background_color);
canvas.SetTextColor(look.GetTitleColor(data.title_color));
const Font &font = look.title_font;
canvas.Select(font);
PixelSize tsize = canvas.CalcTextSize(data.title);
PixelScalar halftextwidth = (title_rect.left + title_rect.right - tsize.cx) / 2;
PixelScalar x = std::max(PixelScalar(1),
PixelScalar(title_rect.left + halftextwidth));
PixelScalar y = title_rect.top;
canvas.TextAutoClipped(x, y, data.title);
if (settings.border_style == InfoBoxSettings::BorderStyle::TAB &&
halftextwidth > Layout::Scale(3)) {
PixelScalar ytop = title_rect.top + font.GetCapitalHeight() / 2;
PixelScalar ytopedge = ytop + Layout::GetTextPadding();
PixelScalar ybottom = title_rect.top + Layout::Scale(6)
+ font.GetCapitalHeight();
canvas.Select(look.border_pen);
RasterPoint tab[8];
tab[0].x = tab[1].x = title_rect.left;
tab[0].y = tab[7].y = ybottom;
tab[2].x = title_rect.left + Layout::GetTextPadding();
tab[2].y = tab[5].y = tab[3].y = tab[4].y = ytop;
tab[1].y = tab[6].y = ytopedge;
tab[5].x = title_rect.right - Layout::GetTextPadding();
tab[6].x = tab[7].x = title_rect.right;
tab[3].x = title_rect.left + halftextwidth - Layout::Scale(1);
tab[4].x = title_rect.right - halftextwidth + Layout::Scale(1);
canvas.DrawPolyline(tab, 4);
canvas.DrawPolyline(tab + 4, 4);
}
}
virtual void OnPaint(Canvas &canvas) {
canvas.SelectWhiteBrush();
if (has_focus())
canvas.SelectBlackPen();
else
canvas.SelectWhitePen();
canvas.clear();
unsigned text_height = canvas.CalcTextSize(_T("W")).cy;
for (int i = num_events - 1, y = 4; i >= 0; --i, y += text_height) {
const struct key_event &event = events[i];
TCHAR buffer[64];
_stprintf(buffer, _T("key %s = 0x%x"),
event.down ? _T("down") : _T("up"), event.code);
canvas.text(4, y, buffer);
}
}
void
InfoBoxWindow::PaintTitle(Canvas &canvas)
{
if (data.title.empty())
return;
canvas.SetTextColor(look.GetTitleColor(data.title_color));
const Font &font = *look.title.font;
canvas.Select(font);
PixelSize tsize = canvas.CalcTextSize(data.title);
PixelScalar halftextwidth = (title_rect.left + title_rect.right - tsize.cx) / 2;
PixelScalar x = max(PixelScalar(1),
PixelScalar(title_rect.left + halftextwidth));
PixelScalar y = title_rect.top + 1 + font.GetCapitalHeight() -
font.GetAscentHeight();
canvas.TextAutoClipped(x, y, data.title);
if (settings.border_style == apIbTab && halftextwidth > Layout::Scale(3)) {
PixelScalar ytop = title_rect.top + font.GetCapitalHeight() / 2;
PixelScalar ytopedge = ytop + Layout::Scale(2);
PixelScalar ybottom = title_rect.top + Layout::Scale(6)
+ font.GetCapitalHeight();
canvas.Select(look.border_pen);
RasterPoint tab[8];
tab[0].x = tab[1].x = title_rect.left;
tab[0].y = tab[7].y = ybottom;
tab[2].x = title_rect.left + Layout::Scale(2);
tab[2].y = tab[5].y = tab[3].y = tab[4].y = ytop;
tab[1].y = tab[6].y = ytopedge;
tab[5].x = title_rect.right - Layout::Scale(2);
tab[6].x = tab[7].x = title_rect.right;
tab[3].x = title_rect.left + halftextwidth - Layout::Scale(1);
tab[4].x = title_rect.right - halftextwidth + Layout::Scale(1);
canvas.DrawPolyline(tab, 4);
canvas.DrawPolyline(tab + 4, 4);
}
}
void
InfoBoxWindow::PaintComment(Canvas &canvas)
{
if (data.comment.empty())
return;
canvas.SetTextColor(look.GetCommentColor(data.comment_color));
const Font &font = look.title_font;
canvas.Select(font);
PixelSize tsize = canvas.CalcTextSize(data.comment);
int x = std::max(1,
(comment_rect.left + comment_rect.right - tsize.cx) / 2);
int y = comment_rect.top;
canvas.TextAutoClipped(x, y, data.comment);
}
/**
* Paints the radar circle on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintNorth(Canvas &canvas) const
{
DoublePoint2D p(0, -1);
if (!enable_north_up) {
p = fr.Rotate(p);
}
canvas.SetTextColor(look.background_color);
canvas.Select(look.radar_pen);
canvas.Select(look.radar_brush);
canvas.SetBackgroundTransparent();
canvas.Select(look.label_font);
PixelSize s = canvas.CalcTextSize(_T("N"));
canvas.DrawCircle(radar_mid.x + iround(p.x * radius),
radar_mid.y + iround(p.y * radius), s.cy * 0.65);
canvas.DrawText(radar_mid.x + iround(p.x * radius) - s.cx / 2,
radar_mid.y + iround(p.y * radius) - s.cy / 2, _T("N"));
}
void
FlarmTrafficControl::PaintDistance(Canvas &canvas, PixelRect rc,
fixed distance) const
{
// Format distance
TCHAR buffer[20];
Unit unit = FormatUserDistanceSmart(distance, buffer, false, fixed(1000));
// Calculate unit size
canvas.Select(look.info_units_font);
const unsigned unit_width = UnitSymbolRenderer::GetSize(canvas, unit).cx;
const unsigned unit_height =
UnitSymbolRenderer::GetAscentHeight(look.info_units_font, unit);
const unsigned space_width = unit_width / 3;
// Calculate value size
canvas.Select(look.info_values_font);
const unsigned value_height = look.info_values_font.GetAscentHeight();
const unsigned value_width = canvas.CalcTextSize(buffer).cx;
// Calculate positions
const unsigned max_height = std::max(unit_height, value_height);
// Paint value
canvas.DrawText(rc.left, rc.bottom - value_height, buffer);
// Paint unit
canvas.Select(look.info_units_font);
UnitSymbolRenderer::Draw(canvas,
RasterPoint(rc.left + value_width + space_width,
rc.bottom - unit_height),
unit, look.unit_fraction_pen);
// Paint label
canvas.Select(look.info_labels_font);
canvas.DrawText(rc.left,
rc.bottom - max_height - look.info_labels_font.GetHeight(),
_("Distance"));
}
void
InfoBoxWindow::PaintComment(Canvas &canvas)
{
if (data.comment.empty())
return;
canvas.SetTextColor(look.GetCommentColor(data.comment_color));
const Font &font = *look.comment.font;
canvas.Select(font);
PixelSize tsize = canvas.CalcTextSize(data.comment);
PixelScalar x = max(PixelScalar(1),
PixelScalar((comment_rect.left + comment_rect.right
- tsize.cx) / 2));
PixelScalar y = comment_rect.top + 1 + font.GetCapitalHeight()
- font.GetAscentHeight();
canvas.TextAutoClipped(x, y, data.comment);
}
/**
* Paints the radar circle on the given canvas
* @param canvas The canvas to paint on
*/
void
FlarmTrafficWindow::PaintNorth(Canvas &canvas) const
{
fixed x = fixed_zero, y = fixed_minus_one;
if (!enable_north_up) {
FastRotation::Pair p = fr.Rotate(x, y);
x = p.first;
y = p.second;
}
canvas.SetTextColor(look.background_color);
canvas.Select(look.radar_pen);
canvas.Select(look.radar_brush);
canvas.SetBackgroundTransparent();
canvas.Select(look.label_font);
PixelSize s = canvas.CalcTextSize(_T("N"));
canvas.circle(radar_mid.x + iround(x * radius),
radar_mid.y + iround(y * radius), s.cy * 0.65);
canvas.text(radar_mid.x + iround(x * radius) - s.cx / 2,
radar_mid.y + iround(y * radius) - s.cy / 2, _T("N"));
}
//------------------------------------------------------------------------------
int
main(int argc, char *argv[])
{
QApplication app(argc, argv);
Canvas c;
Pen(Pen::SOLID, 1, Color(0, 0, 0));
{
c.Select(Brush(Color(128, 128, 0, Color::TRANSPARENT)));
c.DrawKeyhole(200, 100, 50, 100, Angle::Degrees(-20), Angle::Degrees(20));
c.DrawKeyhole(400, 100, 50, 100, Angle::Degrees(70), Angle::Degrees(110));
c.DrawKeyhole(200, 300, 50, 100, Angle::Degrees(160), Angle::Degrees(200));
c.DrawKeyhole(400, 300, 50, 100, Angle::Degrees(-110), Angle::Degrees(-70));
c.show();
app.exec();
}
{
c.Clear();
c.DrawKeyhole(200, 100, 50, 100, Angle::Degrees(35), Angle::Degrees(55));
c.DrawKeyhole(400, 100, 50, 100, Angle::Degrees(125), Angle::Degrees(145));
c.DrawKeyhole(200, 300, 50, 100, Angle::Degrees(215), Angle::Degrees(235));
c.DrawKeyhole(400, 300, 50, 100, Angle::Degrees(305), Angle::Degrees(325));
c.show();
app.exec();
}
{
c.Clear();
c.DrawFilledRectangle(0, 0, 100, 100, Color(128, 128, 128,
Color::TRANSPARENT));
c.DrawFilledRectangle(100, 100, 200, 200, Color(128, 0, 0,
Color::TRANSPARENT));
c.DrawFilledRectangle(150, 150, 250, 250, Color(0, 128, 0,
Color::TRANSPARENT));
c.DrawFilledRectangle(200, 200, 300, 300, Color(0, 0, 128,
Color::TRANSPARENT));
c.DrawTransparentText(0, 0, "0");
c.DrawTransparentText(0, 100, "100");
c.DrawTransparentText(0, 200, "200");
c.DrawTransparentText(0, 300, "300");
c.DrawTransparentText(0, 400, "400");
c.DrawTransparentText(0, 500, "500");
c.DrawTransparentText(100, c.GetFontHeight(), "100");
c.DrawTransparentText(200, c.GetFontHeight(), "200");
c.DrawTransparentText(300, c.GetFontHeight(), "300");
c.DrawTransparentText(400, c.GetFontHeight(), "400");
c.DrawTransparentText(500, c.GetFontHeight(), "500");
c.show();
app.exec();
}
{
c.Clear();
c.DrawOutlineRectangle(100, 100, 200, 200, Color(255, 0, 0));
c.show();
app.exec();
}
{
c.Clear();
c.DrawRoundRectangle(100, 100, 200, 200, 10, 10);
c.DrawRoundRectangle(200, 200, 300, 300, 100, 100);
c.DrawRoundRectangle(300, 300, 400, 400, 50, 50);
c.show();
app.exec();
}
{
c.Clear();
PixelRect rc;
rc.left = 100;
rc.top = 100;
rc.right = 200;
rc.bottom = 200;
c.DrawRaisedEdge(rc);
c.show();
app.exec();
}
{
c.Clear();
RasterPoint rp[4];
rp[0] = {100, 100};
rp[1] = {200, 200};
rp[2] = {200, 300};
rp[3] = {300, 400};
c.DrawPolyline(rp, 4);
c.show();
app.exec();
}
{
c.Clear();
RasterPoint rp[6];
rp[0] = {100, 100};
rp[1] = {150, 50};
rp[2] = {200, 100};
rp[3] = {200, 200};
rp[4] = {150, 200};
rp[5] = {100, 100};
c.DrawPolygon(rp, 6);
c.show();
app.exec();
}
{
c.Clear();
RasterPoint rp[4];
rp[0] = {100, 100};
rp[1] = {200, 50};
rp[2] = {200, 150};
rp[3] = {150, 200};
c.DrawTriangleFan(rp, 4);
c.show();
app.exec();
}
{
c.Clear();
c.DrawHLine(100, 200, 100, Color(255, 0, 0));
c.DrawHLine(100, 200, 200, Color(0, 255, 0));
c.DrawHLine(100, 200, 300, Color(0, 0, 255));
c.show();
app.exec();
}
{
c.Clear();
c.DrawLine(100, 100, 200, 200);
c.DrawCircle(250, 250, 50);
c.DrawSegment(100, 250, 50, Angle::Degrees(10), Angle::Degrees(30), false);
c.show();
app.exec();
}
{
c.Clear();
c.DrawAnnulus(100, 100, 50, 100, Angle::Degrees(10), Angle::Degrees(60));
c.DrawAnnulus(300, 100, 50, 100, Angle::Degrees(0), Angle::Degrees(360));
c.DrawAnnulus(100, 300, 50, 100, Angle::Degrees(0), Angle::Degrees(0));
c.show();
app.exec();
}
{
PixelSize rc = c.CalcTextSize("Hello");
std::cout << "Size of \"Hello\": " << rc.cx << ", " << rc.cy << std::endl;
c.DrawClippedText(100, 100, rc.cx / 2, "Hello");
c.show();
app.exec();
}
{
std::cout << "Height of font: " << c.GetFontHeight() << std::endl;
}
{
c.Clear();
c.DrawText(0, 50, "50");
c.Clear();
c.show();
return app.exec();
}
}
void
FinalGlideBarRenderer::Draw(Canvas &canvas, const PixelRect &rc,
const DerivedInfo &calculated,
const GlideSettings &glide_settings,
const bool final_glide_bar_mc0_enabled) const
{
#ifdef ENABLE_OPENGL
const ScopeAlphaBlend alpha_blend;
#endif
BulkPixelPoint GlideBar[6] = {
{ 0, 0 }, { 9, -9 }, { 18, 0 }, { 18, 0 }, { 9, 0 }, { 0, 0 }
};
BulkPixelPoint GlideBar0[4] = {
{ 0, 0 }, { 9, -9 }, { 9, 0 }, { 0, 0 }
};
BulkPixelPoint clipping_arrow[6] = {
{ 0, 0 }, { 9, 9 }, { 18, 0 }, { 18, 6 }, { 9, 15 }, { 0, 6 }
};
BulkPixelPoint clipping_arrow0[4] = {
{ 0, 0 }, { 9, 9 }, { 9, 15 }, { 0, 6 }
};
TCHAR Value[10];
const TaskStats &task_stats = calculated.task_stats;
const ElementStat &total = task_stats.total;
const GlideResult &solution = total.solution_remaining;
const GlideResult &solution_mc0 = total.solution_mc0;
if (!task_stats.task_valid || !solution.IsOk() || !solution_mc0.IsDefined())
return;
const int y0 = (rc.bottom + rc.top) / 2;
/* NOTE: size_divisor replaces the fixed value 9 that was used throughout
* the code below which caused fixed size rendering regardless of
* map size (except the effects of Layout::Scale()). This method
* is not usable with variable map sizes (e.g. because of the cross-section
* area). size_divisor is used to introduce a screen size dependent scaling.
* That workaround is an ugly hack and needs a rework. */
const int size_divisor =
std::max(Layout::Scale(3000u / rc.GetHeight()), 4u);
int dy_glidebar = 0;
int dy_glidebar0 = 0;
FormatUserAltitude(solution.SelectAltitudeDifference(glide_settings),
Value, false);
canvas.Select(*look.font);
const PixelSize text_size = canvas.CalcTextSize(Value);
int clipping_arrow_offset = Layout::Scale(4);
int clipping_arrow0_offset = Layout::Scale(4);
// 468 meters is it's size. Will be divided by 9 to fit screen resolution.
int altitude_difference = (int)
solution.SelectAltitudeDifference(glide_settings);
int altitude_difference0 = (int)
solution_mc0.SelectAltitudeDifference(glide_settings);
// TODO feature: should be an angle if in final glide mode
// cut altitude_difference at +- 468 meters (55 units)
if (altitude_difference > 468)
altitude_difference = 468;
if (altitude_difference < -468)
altitude_difference = -468;
// 55 units is size, 468 meters div by 9 means 55.
int Offset = altitude_difference / size_divisor;
Offset = Layout::Scale(Offset);
if (altitude_difference <= 0) {
GlideBar[1].y = Layout::Scale(9);
dy_glidebar = text_size.cy + 2;
} else {
GlideBar[1].y = -Layout::Scale(9);
clipping_arrow[1].y = -clipping_arrow[1].y;
clipping_arrow[3].y = -clipping_arrow[3].y;
clipping_arrow[4].y = -clipping_arrow[4].y;
clipping_arrow[5].y = -clipping_arrow[5].y;
clipping_arrow_offset = -clipping_arrow_offset;
dy_glidebar = -1;
}
// cut altitude_difference0 at +- 468 meters (55 units)
if (altitude_difference0 > 468)
altitude_difference0 = 468;
if (altitude_difference0 < -468)
altitude_difference0 = -468;
// 55 units is size, therefore div by 9.
int Offset0 = altitude_difference0 / size_divisor;
Offset0 = Layout::Scale(Offset0);
if (altitude_difference0 <= 0) {
GlideBar0[1].y = Layout::Scale(9);
dy_glidebar0 = text_size.cy + 2;
} else {
GlideBar0[1].y = -Layout::Scale(9);
clipping_arrow0[1].y = -clipping_arrow0[1].y;
clipping_arrow0[2].y = -clipping_arrow0[2].y;
clipping_arrow0[3].y = -clipping_arrow0[3].y;
clipping_arrow0_offset = -clipping_arrow0_offset;
dy_glidebar0 = -1;
}
for (unsigned i = 0; i < 6; i++) {
GlideBar[i].y += y0 + dy_glidebar;
GlideBar[i].x = Layout::Scale(GlideBar[i].x) + rc.left;
}
GlideBar[0].y -= Offset;
GlideBar[1].y -= Offset;
GlideBar[2].y -= Offset;
for (unsigned i = 0; i < 4; i++) {
GlideBar0[i].y += y0 + dy_glidebar0;
GlideBar0[i].x = Layout::Scale(GlideBar0[i].x) + rc.left;
}
GlideBar0[0].y -= Offset0;
GlideBar0[1].y -= Offset0;
if ((altitude_difference0 >= altitude_difference) && (altitude_difference > 0)) {
// both above and mc0 arrow larger than mc arrow
GlideBar0[2].y = GlideBar[1].y; // both below
GlideBar0[3].y = GlideBar[0].y;
}
// prepare clipping arrow
for (unsigned i = 0; i < 6; i++) {
clipping_arrow[i].y = Layout::Scale(clipping_arrow[i].y) + y0 - Offset
+ clipping_arrow_offset + dy_glidebar;
clipping_arrow[i].x = Layout::Scale(clipping_arrow[i].x) + rc.left;
}
// prepare clipping arrow mc0
for (unsigned i = 0; i < 4; i++) {
clipping_arrow0[i].y = Layout::Scale(clipping_arrow0[i].y) + y0 - Offset0
+ clipping_arrow0_offset + dy_glidebar0;
clipping_arrow0[i].x = Layout::Scale(clipping_arrow0[i].x) + rc.left;
}
// draw actual glide bar
if (altitude_difference <= 0) {
if (calculated.common_stats.landable_reachable) {
canvas.Select(look.pen_below_landable);
canvas.Select(look.brush_below_landable);
} else {
canvas.Select(look.pen_below);
canvas.Select(look.brush_below);
}
} else {
canvas.Select(look.pen_above);
canvas.Select(look.brush_above);
}
canvas.DrawPolygon(GlideBar, 6);
// draw clipping arrow
if ((altitude_difference <= -468 ) || (altitude_difference >= 468))
canvas.DrawPolygon(clipping_arrow, 6);
// draw glide bar at mc 0
if (altitude_difference0 <= 0 && final_glide_bar_mc0_enabled) {
if (calculated.common_stats.landable_reachable) {
canvas.Select(look.pen_below_landable);
canvas.Select(look.brush_below_landable_mc0);
} else {
canvas.Select(look.pen_below);
canvas.Select(look.brush_below_mc0);
}
} else {
canvas.Select(look.pen_above);
canvas.Select(look.brush_above_mc0);
}
if ( ( (altitude_difference != altitude_difference0) || (altitude_difference0 < 0) )
&& final_glide_bar_mc0_enabled) {
canvas.DrawPolygon(GlideBar0, 4);
if ((altitude_difference0 <= -468 ) || (altitude_difference0 >= 468))
canvas.DrawPolygon(clipping_arrow0, 4);
}
// draw cross (x) on final glide bar if unreachable at current Mc
// or above final glide but impeded by obstacle
int cross_sign = 0;
if (!total.IsAchievable())
cross_sign = 1;
if (calculated.terrain_warning_location.IsValid() &&
altitude_difference > 0 )
cross_sign = -1;
if (cross_sign != 0) {
canvas.Select(task_look.bearing_pen);
canvas.DrawLine(Layout::Scale(9 - 5), y0 + cross_sign * Layout::Scale(9 - 5),
Layout::Scale(9 + 5), y0 + cross_sign * Layout::Scale(9 + 5));
canvas.DrawLine(Layout::Scale(9 - 5), y0 + cross_sign * Layout::Scale(9 + 5),
Layout::Scale(9 + 5), y0 + cross_sign * Layout::Scale(9 - 5));
}
canvas.SetTextColor(COLOR_BLACK);
canvas.SetBackgroundColor(COLOR_WHITE);
TextInBoxMode style;
style.shape = LabelShape::ROUNDED_BLACK;
style.move_in_view = true;
if (text_size.cx < Layout::Scale(18)) {
style.align = TextInBoxMode::Alignment::RIGHT;
TextInBox(canvas, Value, Layout::Scale(18), y0, style, rc);
} else
TextInBox(canvas, Value, 0, y0, style, rc);
}
void
GaugeVario::RenderBugs(Canvas &canvas)
{
static int last_bugs = -1;
static PixelRect label_rect = {-1,-1,-1,-1};
static PixelRect value_rect = {-1,-1,-1,-1};
static RasterPoint label_pos = {-1,-1};
static RasterPoint value_pos = {-1,-1};
if (!bugs_initialised) {
const PixelRect rc = GetClientRect();
PixelSize tSize;
label_pos.x = 1;
label_pos.y = rc.bottom - 2
- look.text_font->GetCapitalHeight()
- look.text_font->GetAscentHeight();
value_pos.x = 1;
value_pos.y = rc.bottom - 1
- look.text_font->GetAscentHeight();
label_rect.left = label_pos.x;
label_rect.top = label_pos.y
+ look.text_font->GetAscentHeight()
- look.text_font->GetCapitalHeight();
value_rect.left = value_pos.x;
value_rect.top = value_pos.y
+ look.text_font->GetAscentHeight()
- look.text_font->GetCapitalHeight();
canvas.Select(*look.text_font);
tSize = canvas.CalcTextSize(TEXT_BUG);
label_rect.right = label_rect.left + tSize.cx;
label_rect.bottom = label_rect.top
+ look.text_font->GetCapitalHeight()
+ look.text_font->GetHeight()
- look.text_font->GetAscentHeight();
tSize = canvas.CalcTextSize(_T("100%"));
value_rect.right = value_rect.left + tSize.cx;
value_rect.bottom = value_rect.top +
look.text_font->GetCapitalHeight();
bugs_initialised = true;
}
int bugs = iround((fixed(1) - GetComputerSettings().polar.bugs) * 100);
if (!IsPersistent() || bugs != last_bugs) {
canvas.Select(*look.text_font);
if (IsPersistent())
canvas.SetBackgroundColor(look.background_color);
else
canvas.SetBackgroundTransparent();
if (IsPersistent() || last_bugs < 1 || bugs < 1) {
if (bugs > 0) {
canvas.SetTextColor(look.dimmed_text_color);
if (IsPersistent())
canvas.DrawOpaqueText(label_pos.x, label_pos.y, label_rect, TEXT_BUG);
else
canvas.DrawText(label_pos.x, label_pos.y, TEXT_BUG);
} else if (IsPersistent())
canvas.DrawFilledRectangle(label_rect, look.background_color);
}
if (bugs > 0) {
TCHAR buffer[18];
_stprintf(buffer, _T("%d%%"), bugs);
canvas.SetTextColor(look.text_color);
if (IsPersistent())
canvas.DrawOpaqueText(value_pos.x, value_pos.y, value_rect, buffer);
else
canvas.DrawText(value_pos.x, value_pos.y, buffer);
} else if (IsPersistent())
canvas.DrawFilledRectangle(value_rect, look.background_color);
if (IsPersistent())
last_bugs = bugs;
}
}
void
GaugeVario::RenderBallast(Canvas &canvas)
{
static int last_ballast = -1;
static PixelRect label_rect = {-1,-1,-1,-1};
static PixelRect value_rect = {-1,-1,-1,-1};
static RasterPoint label_pos = {-1,-1};
static RasterPoint value_pos = {-1,-1};
if (!ballast_initialised) { // ontime init, origin and background rect
const PixelRect rc = GetClientRect();
PixelSize tSize;
// position of ballast label
label_pos.x = 1;
label_pos.y = rc.top + 2
+ look.text_font->GetCapitalHeight() * 2
- look.text_font->GetAscentHeight();
// position of ballast value
value_pos.x = 1;
value_pos.y = rc.top + 1
+ look.text_font->GetCapitalHeight()
- look.text_font->GetAscentHeight();
// set upper left corner
label_rect.left = label_pos.x;
label_rect.top = label_pos.y
+ look.text_font->GetAscentHeight()
- look.text_font->GetCapitalHeight();
// set upper left corner
value_rect.left = value_pos.x;
value_rect.top = value_pos.y
+ look.text_font->GetAscentHeight()
- look.text_font->GetCapitalHeight();
// get max label size
canvas.Select(*look.text_font);
tSize = canvas.CalcTextSize(TEXT_BALLAST);
// update back rect with max label size
label_rect.right = label_rect.left + tSize.cx;
label_rect.bottom = label_rect.top +
look.text_font->GetCapitalHeight();
// get max value size
tSize = canvas.CalcTextSize(_T("100%"));
value_rect.right = value_rect.left + tSize.cx;
// update back rect with max label size
value_rect.bottom = value_rect.top +
look.text_font->GetCapitalHeight();
ballast_initialised = true;
}
int ballast = iround(GetGlidePolar().GetBallast() * 100);
if (!IsPersistent() || ballast != last_ballast) {
// ballast hase been changed
canvas.Select(*look.text_font);
if (IsPersistent())
canvas.SetBackgroundColor(look.background_color);
else
canvas.SetBackgroundTransparent();
if (IsPersistent() || last_ballast < 1 || ballast < 1) {
// new ballast is 0, hide label
if (ballast > 0) {
canvas.SetTextColor(look.dimmed_text_color);
// ols ballast was 0, show label
if (IsPersistent())
canvas.DrawOpaqueText(label_pos.x, label_pos.y, label_rect, TEXT_BALLAST);
else
canvas.DrawText(label_pos.x, label_pos.y, TEXT_BALLAST);
} else if (IsPersistent())
canvas.DrawFilledRectangle(label_rect, look.background_color);
}
// new ballast 0, hide value
if (ballast > 0) {
TCHAR buffer[18];
_stprintf(buffer, _T("%u%%"), ballast);
canvas.SetTextColor(look.text_color);
if (IsPersistent())
canvas.DrawOpaqueText(value_pos.x, value_pos.y, value_rect, buffer);
else
canvas.DrawText(value_pos.x, value_pos.y, buffer);
} else if (IsPersistent())
canvas.DrawFilledRectangle(value_rect, look.background_color);
if (IsPersistent())
last_ballast = ballast;
}
}
// TODO code: Optimise vario rendering, this is slow
void
GaugeVario::RenderValue(Canvas &canvas, int x, int y,
DrawInfo *value_info, DrawInfo *label_info,
fixed value, const TCHAR *label)
{
PixelSize tsize;
#ifndef FIXED_MATH
value = (double)iround(value * 10) / 10; // prevent the -0.0 case
#endif
if (!value_info->initialised) {
value_info->rc.right = x - Layout::Scale(5);
value_info->rc.top = y + Layout::Scale(3)
+ look.text_font->GetCapitalHeight();
value_info->rc.left = value_info->rc.right;
// update back rect with max label size
value_info->rc.bottom = value_info->rc.top + look.value_font->GetCapitalHeight();
value_info->text_position.x = value_info->rc.left;
value_info->text_position.y = value_info->rc.top
+ look.value_font->GetCapitalHeight()
- look.value_font->GetAscentHeight();
value_info->last_value = fixed(-9999);
value_info->last_text[0] = '\0';
value_info->last_unit = Unit::UNDEFINED;
value_info->initialised = true;
}
if (!label_info->initialised) {
label_info->rc.right = x;
label_info->rc.top = y + Layout::Scale(1);
label_info->rc.left = label_info->rc.right;
// update back rect with max label size
label_info->rc.bottom = label_info->rc.top
+ look.text_font->GetCapitalHeight();
label_info->text_position.x = label_info->rc.left;
label_info->text_position.y = label_info->rc.top
+ look.text_font->GetCapitalHeight()
- look.text_font->GetAscentHeight();
label_info->last_value = fixed(-9999);
label_info->last_text[0] = '\0';
label_info->initialised = true;
}
canvas.SetBackgroundTransparent();
if (!IsPersistent() || (dirty && !StringIsEqual(label_info->last_text, label))) {
canvas.SetTextColor(look.dimmed_text_color);
canvas.Select(*look.text_font);
tsize = canvas.CalcTextSize(label);
label_info->text_position.x = label_info->rc.right - tsize.cx;
if (IsPersistent()) {
canvas.SetBackgroundColor(look.background_color);
canvas.DrawOpaqueText(label_info->text_position.x, label_info->text_position.y,
label_info->rc, label);
label_info->rc.left = label_info->text_position.x;
_tcscpy(label_info->last_text, label);
} else {
canvas.DrawText(label_info->text_position.x, label_info->text_position.y,
label);
}
}
if (!IsPersistent() || (dirty && value_info->last_value != value)) {
TCHAR buffer[18];
canvas.SetBackgroundColor(look.background_color);
canvas.SetTextColor(look.text_color);
_stprintf(buffer, _T("%.1f"), (double)value);
canvas.Select(*look.value_font);
tsize = canvas.CalcTextSize(buffer);
value_info->text_position.x = value_info->rc.right - tsize.cx;
if (IsPersistent()) {
canvas.DrawOpaqueText(value_info->text_position.x,
value_info->text_position.y,
value_info->rc, buffer);
value_info->rc.left = value_info->text_position.x;
value_info->last_value = value;
} else {
canvas.DrawText(value_info->text_position.x, value_info->text_position.y,
buffer);
}
}
if (!IsPersistent() ||
value_info->last_unit != Units::current.vertical_speed_unit) {
value_info->last_unit = Units::current.vertical_speed_unit;
const UnitSymbol *unit_symbol = units_look.GetSymbol(value_info->last_unit);
unit_symbol->Draw(canvas, x - Layout::Scale(5), value_info->rc.top,
look.background_color, COLOR_GRAY);
}
}
void
TabDisplay::PaintButton(Canvas &canvas, unsigned CaptionStyle,
const TCHAR *caption, const PixelRect &rc,
const Bitmap *bmp, const bool isDown, bool inverse)
{
PixelRect rcTextFinal = rc;
const UPixelScalar buttonheight = rc.bottom - rc.top;
const PixelSize text_size = canvas.CalcTextSize(caption);
const int textwidth = text_size.cx;
const int textheight = text_size.cy;
UPixelScalar textheightoffset = 0;
if (textwidth > (rc.right - rc.left)) // assume 2 lines
textheightoffset = std::max(0, (int)(buttonheight - textheight * 2) / 2);
else
textheightoffset = std::max(0, (int)(buttonheight - textheight) / 2);
rcTextFinal.top += textheightoffset;
canvas.DrawFilledRectangle(rc, canvas.GetBackgroundColor());
if (bmp != nullptr) {
const PixelSize bitmap_size = bmp->GetSize();
const int offsetx = (rc.right - rc.left - bitmap_size.cx / 2) / 2;
const int offsety = (rc.bottom - rc.top - bitmap_size.cy) / 2;
#ifdef ENABLE_OPENGL
if (inverse) {
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
/* invert the texture color */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_ONE_MINUS_SRC_COLOR);
/* copy the texture alpha */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_TEXTURE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
} else
/* simple copy */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
const GLEnable scope(GL_TEXTURE_2D);
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GLTexture &texture = *bmp->GetNative();
texture.Bind();
texture.Draw(rc.left + offsetx, rc.top + offsety);
#else
if (inverse) // black background
canvas.CopyNotOr(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
else
canvas.CopyAnd(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
#endif
} else {
#ifndef USE_GDI
if (IsDithered())
CaptionStyle |= DT_UNDERLINE;
#endif
canvas.DrawFormattedText(&rcTextFinal, caption, CaptionStyle);
}
}
void
VarioBarRenderer::Draw(Canvas &canvas, const PixelRect &rc,
const MoreData &basic,
const DerivedInfo &calculated,
const GlidePolar &glide_polar,
const bool vario_bar_avg_enabled) const
{
#ifdef ENABLE_OPENGL
const ScopeAlphaBlend alpha_blend;
#endif
RasterPoint VarioBar[6] = {
{ 0, 0 }, { 9, -9 }, { 18, 0 }, { 18, 0 }, { 9, 0 }, { 0, 0 }
};
RasterPoint VarioBarAvg[4] = {
{ 0, 0 }, { 9, -9 }, { 9, 0 }, { 0, 0 }
};
RasterPoint clipping_arrow[6] = {
{ 0, 0 }, { 9, 9 }, { 18, 0 }, { 18, 6 }, { 9, 15 }, { 0, 6 }
};
RasterPoint clipping_arrow_av[4] = {
{ 0, 0 }, { 9, 9 }, { 9, 15 }, { 0, 6 }
};
RasterPoint mc_arrow[6] = {
{ 0, 0 }, { 9, -9 }, { 18, 0 }, { 18, -2 }, { 9, -11 }, { 0, -2 }
};
TCHAR Value[10];
const int y0 = (rc.bottom + rc.top) / 2;
/* NOTE: size_divisor replaces the fixed value 9 that was used throughout
* the code sink which caused fixed size rendering regardless of
* map size (except the effects of Layout::Scale()). This method
* is not usable with variable map sizes (e.g. because of the cross-section
* area). size_divisor is used to introduce a screen size dependent scaling.
* That workaround is an ugly hack and needs a rework. */
const auto size_divisor =
std::max((fixed) Layout::Scale(70 / (rc.bottom - rc.top)), fixed(0.15));
PixelScalar dy_variobar = 0;
PixelScalar dy_variobar_av = 0;
PixelScalar dy_variobar_mc = 0;
PixelScalar clipping_arrow_offset = Layout::Scale(4);
PixelScalar clipping_arrow_av_offset = Layout::Scale(4);
// PixelScalar clipping_arrow_mc_offset = Layout::Scale(4);
auto vario_gross = basic.brutto_vario;
FormatUserVerticalSpeed(vario_gross, Value, false, true);
canvas.Select(*look.font);
const PixelSize text_size = canvas.CalcTextSize(Value);
auto vario_avg = calculated.average;
// cut vario_gross at +- 5 meters/s
if (vario_gross > fixed(5))
vario_gross = fixed(5);
if (vario_gross < fixed(-5))
vario_gross = fixed(-5);
int Offset = (int)(vario_gross / size_divisor);
Offset = Layout::Scale(Offset);
if (!positive(vario_gross)) {
VarioBar[1].y = Layout::Scale(9);
dy_variobar = text_size.cy + 2;
} else {
VarioBar[1].y = -Layout::Scale(9);
clipping_arrow[1].y = -clipping_arrow[1].y;
clipping_arrow[3].y = -clipping_arrow[3].y;
clipping_arrow[4].y = -clipping_arrow[4].y;
clipping_arrow[5].y = -clipping_arrow[5].y;
clipping_arrow_offset = -clipping_arrow_offset;
dy_variobar = -1;
}
// cut vario_avg at +- 5 meters/s
if (vario_avg > fixed(5))
vario_avg = fixed(5);
if (vario_avg < fixed(-5))
vario_avg = fixed(-5);
int OffsetAvg = int(vario_avg / size_divisor);
OffsetAvg = Layout::Scale(OffsetAvg);
if (!positive(vario_avg)) {
VarioBarAvg[1].y = Layout::Scale(9);
dy_variobar_av = text_size.cy + 2;
} else {
VarioBarAvg[1].y = -Layout::Scale(9);
clipping_arrow_av[1].y = -clipping_arrow_av[1].y;
clipping_arrow_av[2].y = -clipping_arrow_av[2].y;
clipping_arrow_av[3].y = -clipping_arrow_av[3].y;
clipping_arrow_av_offset = -clipping_arrow_av_offset;
dy_variobar_av = -1;
}
//clip MC Value
auto mc_val = glide_polar.GetMC();
if (mc_val > fixed(5))
mc_val = fixed(5);
if (!positive(mc_val)) {
dy_variobar_mc = text_size.cy + 2;
}else{
dy_variobar_mc = -1;
}
int OffsetMC = int(mc_val / size_divisor);
OffsetMC = Layout::Scale(OffsetMC);
for (unsigned i = 0; i < 6; i++) {
VarioBar[i].y += y0 + dy_variobar;
VarioBar[i].x = rc.right - Layout::Scale(VarioBar[i].x);
}
VarioBar[0].y -= Offset;
VarioBar[1].y -= Offset;
VarioBar[2].y -= Offset;
for (unsigned i = 0; i < 4; i++) {
VarioBarAvg[i].y += y0 + dy_variobar_av;
VarioBarAvg[i].x = rc.right-Layout::Scale(VarioBarAvg[i].x);
}
VarioBarAvg[0].y -= OffsetAvg;
VarioBarAvg[1].y -= OffsetAvg;
// prepare mc arrow
for (unsigned i = 0; i < 6; i++) {
mc_arrow[i].y = Layout::Scale(mc_arrow[i].y) + y0
- OffsetMC + dy_variobar_mc;
mc_arrow[i].x = rc.right - Layout::Scale(mc_arrow[i].x);
}
// prepare clipping arrow
for (unsigned i = 0; i < 6; i++) {
clipping_arrow[i].y = Layout::Scale(clipping_arrow[i].y) + y0 - Offset
+ clipping_arrow_offset + dy_variobar;
clipping_arrow[i].x = rc.right - Layout::Scale(clipping_arrow[i].x);
}
// prepare clipping avg
for (unsigned i = 0; i < 4; i++) {
clipping_arrow_av[i].y = Layout::Scale(clipping_arrow_av[i].y) + y0 - OffsetAvg
+ clipping_arrow_av_offset + dy_variobar_av;
clipping_arrow_av[i].x = rc.right-Layout::Scale(clipping_arrow_av[i].x);
}
// draw actual vario bar
if (!positive(vario_gross)) {
canvas.Select(look.pen_sink);
canvas.Select(look.brush_sink);
} else {
canvas.Select(look.pen_climb);
canvas.Select(look.brush_climb);
}
canvas.DrawPolygon(VarioBar, 6);
// draw clipping arrow
if (vario_gross <= fixed(-5) || vario_gross >= fixed(5))
canvas.DrawPolygon(clipping_arrow, 6);
// draw avg vario bar
if (!positive(vario_avg) && vario_bar_avg_enabled) {
canvas.Select(look.pen_sink);
canvas.Select(look.brush_sink_avg);
} else {
canvas.Select(look.pen_climb);
canvas.Select(look.brush_climb_avg);
}
canvas.DrawPolygon(VarioBarAvg, 4);
if (vario_avg <= fixed(-5.0) || vario_avg >= fixed(5.0))
canvas.DrawPolygon(clipping_arrow_av, 4);
//draw MC arrow
canvas.Select(look.pen_mc);
canvas.Select(look.brush_mc);
canvas.DrawPolygon(mc_arrow, 6);
//draw text
canvas.SetTextColor(COLOR_BLACK);
canvas.SetBackgroundColor(COLOR_WHITE);
TextInBoxMode style;
style.shape = LabelShape::ROUNDED_BLACK;
style.move_in_view = true;
if (text_size.cx < Layout::Scale(18)) {
style.align = TextInBoxMode::Alignment::RIGHT;
TextInBox(canvas, Value, rc.right, y0, style, rc);
} else
TextInBox(canvas, Value, rc.right-Layout::Scale(18), y0, style, rc);
}